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He Y, Liu W, Liu J. MOF-based/derived catalysts for electrochemical overall water splitting. J Colloid Interface Sci 2024; 661:409-435. [PMID: 38306750 DOI: 10.1016/j.jcis.2024.01.106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/05/2024] [Accepted: 01/14/2024] [Indexed: 02/04/2024]
Abstract
Water-splitting electrocatalysis has gained increasing attention as a promising strategy for developing renewable energy in recent years, but its high overpotential caused by the unfavorable thermodynamics has limited its widespread implementation. Therefore, there is an urgent need to design catalytic materials with outstanding activity and stability that can overcome the high overpotential and thus improve the electrocatalytic efficiency. Metal-organic frameworks (MOFs) based and/or derived materials are widely used as water-splitting catalysts because of their easily controlled structures, abundant heterointerfaces and increased specific surface area. Herein, some recent research findings on MOFs-based/derived materials are summarized and presented. First, the mechanism and evaluation parameters of electrochemical water splitting are described. Subsequently, advanced modulation strategies for designing MOFs-based/derived catalysts and their catalytic performance toward water splitting are summarized. In particular, the correlation between chemical composition/structural functionalization and catalytic performance is highlighted. Finally, the future outlook and challenges for MOFs materials are also addressed.
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Affiliation(s)
- Yujia He
- College of Materials Science and Engineering, Institute for Graphene Applied, Technology Innovation, Qingdao University, Qingdao 266071, China
| | - Wei Liu
- School of Chemistry & Chemical Engineering, Linyi University, Linyi 276000, Shandong, China.
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied, Technology Innovation, Qingdao University, Qingdao 266071, China; School of Chemistry & Chemical Engineering, Linyi University, Linyi 276000, Shandong, China.
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52
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Huo L, Lv M, Li M, Ni X, Guan J, Liu J, Mei S, Yang Y, Zhu M, Feng Q, Geng P, Hou J, Huang N, Liu W, Kong XY, Zheng Y, Ye L. Amorphous MnO 2 Lamellae Encapsulated Covalent Triazine Polymer-Derived Multi-Heteroatoms-Doped Carbon for ORR/OER Bifunctional Electrocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312868. [PMID: 38241728 DOI: 10.1002/adma.202312868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/06/2024] [Indexed: 01/21/2024]
Abstract
The intelligent construction of non-noble metal materials that exhibit reversible oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) with bifunctional electrocatalytic performance is greatly coveted in the realm of zinc-air batteries (ZABs). Herein, a crafted structure-amorphous MnO2 lamellae encapsulated covalent triazine polymer-derived N, S, P co-doped carbon sphere (A-MnO2/NSPC) is designed using a self-doped pyrolysis coupled with an in situ encapsulation strategy. The customized A-MnO2/NSPC-2 demonstrates a superior bifunctional electrocatalytic performance, confirmed by a small ΔE index of 0.64 V for ORR/OER. Experimental investigations, along with density functional theory calculations validate that predesigned amorphous MnO2 surface defects and abundant heteroatom catalytic active sites collectively enhance the oxygen electrocatalytic performance. Impressively, the A-MnO2/NSPC-based rechargeable liquid ZABs show a large open-circuit potential of 1.54 V, an ultrahigh peak power density of 181 mW cm-2, an enormous capacity of 816 mAh g-1, and a remarkable stability for more than 1720 discharging/charging cycles. Additionally, the assembled flexible all-solid-state ZABs also demonstrate outstanding cycle stability, surpassing 140 discharging/charging cycles. Therefore, this highly operable synthetic strategy offers substantial understanding in the development of magnificent bifunctional electrocatalysts for various sustainable energy conversions and beyond.
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Affiliation(s)
- Liping Huo
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, PR China
| | - Minghui Lv
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Mingjin Li
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Xuepeng Ni
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, PR China
| | - Jingyu Guan
- Beijing Institute of Nuclear Engineering, China Nuclear Power Engineering Co., LTD, Beijing, 100840, China
| | - Jian Liu
- State Key Laboratory of Heavy Oil Processing at Karamay, China University of Petroleum-Beijing at Karamay, Karamay, Xinjiang, 834000, China
| | - Shuxing Mei
- State Key Laboratory of Heavy Oil Processing at Karamay, China University of Petroleum-Beijing at Karamay, Karamay, Xinjiang, 834000, China
| | - Yuqi Yang
- State Key Laboratory of Heavy Oil Processing at Karamay, China University of Petroleum-Beijing at Karamay, Karamay, Xinjiang, 834000, China
| | - Miaomiao Zhu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Qichun Feng
- Anhui Province Joint Key Laboratory of Cold Insulation Fiber and Clothing, College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei, 230036, China
| | - Peng Geng
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Jianhua Hou
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Niu Huang
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Wei Liu
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Xin Ying Kong
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Yong Zheng
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Liqun Ye
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
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53
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Sadhukhan A, Karmakar A, Koner K, Karak S, Sharma RK, Roy A, Sen P, Dey KK, Mahalingam V, Pathak B, Kundu S, Banerjee R. Functionality Modulation Toward Thianthrene-based Metal-Free Electrocatalysts for Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310938. [PMID: 38245860 DOI: 10.1002/adma.202310938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/08/2024] [Indexed: 01/22/2024]
Abstract
The development of metal-free bifunctional electrocatalysts for hydrogen and oxygen evolution reactions (HER and OER) is significant but rarely demonstrated. Porous organic polymers (POPs) with well-defined electroactive functionalities show superior performance in hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Precise control of the active sites' local environment requires careful modulation of linkers through the judicious selection of building units. Here, a systematic strategy is introduced for modulating functionality to design and synthesize a series of thianthrene-based bifunctional sp2 C═C bonded POPs with hollow spherical morphologies exhibiting superior electrocatalytic activity. This precise structural tuning allowed to gain insight into the effects of heteroatom incorporation, hydrophilicity, and variations in linker length on electrocatalytic activity. The most efficient bifunctional electrocatalyst THT-PyDAN achieves a current density of 10 mA cm─2 at an overpotential (η10) of ≈65 mV (in 0.5 m H2SO4) and ≈283 mV (in 1 m KOH) for HER and OER, respectively. THT-PyDAN exhibits superior activity to all previously reported metal-free bifunctional electrocatalysts in the literature. Furthermore, these investigations demonstrate that THT-PyDAN maintains its performance even after 36 h of chronoamperometry and 1000 CV cycling. Post-catalytic characterization using FT-IR, XPS, and microscopic imaging techniques underscores the long-term durability of THT-PyDAN.
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Affiliation(s)
- Arnab Sadhukhan
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
| | - Arun Karmakar
- Academy of Scientific and Innovative Research Ghaziabad 201002 India, Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Tamil Nadu, 630003, India
| | - Kalipada Koner
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
| | - Shayan Karak
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
| | - Rahul Kumar Sharma
- Department of Chemistry, Indian Institute of Technology Indore, Indore, 453552, India
| | - Avishek Roy
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
| | - Prince Sen
- Department of Physics, Dr. Harisingh Gour Vishwavidyalaya, Sagar, Madhya Pradesh, 470003, India
| | - Krishna Kishor Dey
- Department of Physics, Dr. Harisingh Gour Vishwavidyalaya, Sagar, Madhya Pradesh, 470003, India
| | - Venkataramanan Mahalingam
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
| | - Biswarup Pathak
- Department of Chemistry, Indian Institute of Technology Indore, Indore, 453552, India
| | - Subrata Kundu
- Academy of Scientific and Innovative Research Ghaziabad 201002 India, Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Tamil Nadu, 630003, India
| | - Rahul Banerjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
- Centre for Advance Functional Materials, Indian Institute of Science Education and Research, Mohanpur, Kolkata, 741246, India
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54
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Zhang Z, Wu W, Chen S, Wang Z, Tan Y, Chen W, Guo F, Chen R, Cheng N. Directed Dual Charge Pumping Tunes the d-Orbital Configuration of Pt Cluster Boosting Hydrogen Evolution Kinetic. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307135. [PMID: 38126901 DOI: 10.1002/smll.202307135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/10/2023] [Indexed: 12/23/2023]
Abstract
Achieving high catalytic activity with a minimum amount of platinum (Pt) is crucial for accelerating the cathodic hydrogen evolution reaction (HER) in proton exchange membrane (PEM) water electrolysis, yet it remains a significant challenge. Herein, a directed dual-charge pumping strategy to tune the d-orbital electronic distribution of Pt nanoclusters for efficient HER catalysis is proposed. Theoretical analysis reveals that the ligand effect and electronic metal-support interactions (EMSI) create an effective directional electron transfer channel for the d-orbital electrons of Pt, which in turn optimizes the binding strength to H*, thereby significantly enhancing HER efficiency of the Pt site. Experimentally, this directed dual-charge pumping strategy is validated by elaborating Sb-doped SnO2 (ATO) supported Fe-doped PtSn heterostructure catalysts (Fe-PtSn/ATO). The synthesized 3%Fe-PtSn/ATO catalysts exhibit lower overpotential (requiring only 10.5 mV to reach a current density of 10 mA cm- 2), higher mass activity (28.6 times higher than commercial 20 wt.% Pt/C), and stability in the HER process in acidic media. This innovative strategy presents a promising pathway for the development of highly efficient HER catalysts with low Pt loading.
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Affiliation(s)
- Zeyi Zhang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
| | - Wei Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Suhao Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zichen Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Yangyang Tan
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Wei Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Fei Guo
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Runzhe Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Niancai Cheng
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
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55
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Liu MY, Shen SY, Guo JH, Zhu ZY, Zha BL, Wu J, Pei WB, Ren XM, Huo F. Prussian blue analogue derived from leather waste as a bifunctional catalyst in zinc-air batteries. Chem Commun (Camb) 2024. [PMID: 38687569 DOI: 10.1039/d4cc01090f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
A Prussian blue analogue was synthesized using biomass leather waste as a precursor by doping with Co2+ ions. This material, demonstrates good performance in both the oxygen reduction reaction and oxygen evolution reaction, and exhibits excellent charge-discharge performance and stability in zinc-air batteries.
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Affiliation(s)
- Meng-Yu Liu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Shi-Yi Shen
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Jia-Hua Guo
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Ze-Yu Zhu
- Key Laboratory of Flexible Electronics (KLOFE), School of Flexible Electronics (Future Technologies), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China.
| | - Bao-Li Zha
- Key Laboratory of Flexible Electronics (KLOFE), School of Flexible Electronics (Future Technologies), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China.
| | - Jiansheng Wu
- Key Laboratory of Flexible Electronics (KLOFE), School of Flexible Electronics (Future Technologies), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China.
| | - Wen-Bo Pei
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Xiao-Ming Ren
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Fengwei Huo
- Key Laboratory of Flexible Electronics (KLOFE), School of Flexible Electronics (Future Technologies), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China.
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56
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Liu Y, Yodsin N, Li T, Wu H, Jia R, Shi L, Lai Z, Namuangruk S, Huang L. Photochemical engineering unsaturated Pt islands on supported Pd nanocrystals for a robust pH-universal hydrogen evolution reaction. MATERIALS HORIZONS 2024; 11:1964-1974. [PMID: 38348699 DOI: 10.1039/d3mh02041j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
The rational design of heterostructured nanocrystals (HNCs) is of great significance for developing highly efficient hydrogen evolution reaction (HER) electrocatalysts. However, a significant challenge still lies in realizing the controllable synthesis of desired HNCs directly onto a support and exploring their structure-activity-dependent HER performance. Herein, we reported various controllable Pd7@Ptx core-shell HNCs with optimal hybrid structures via a photochemical deposition strategy. The growth patterns of a Pt shell can be finely controlled by adjusting the growth kinetics, resulting in a varying deposition rate. In particular, the as-prepared Pd7@Pt3 HNCs with a Pt shell in the Stranski-Krastanov mode showed the best performances over a wide pH range media, delivering low overpotentials of 33, 18 and 49 mV, resulting in a catalytic current density of 10 mA cm-2 at a low effective catalyst loading of 0.021 mg cm-2. The resulting Tafel slopes were 23.1, 52.6 and 42.7 mV dec-1 in 0.5 M H2SO4, 1.0 M phosphate-buffered saline (PBS) and 1.0 M KOH electrolyte, respectively. It was found that the increased fraction of unsaturated coordination of Pt islands in the resultant material is the key to the enhanced and robust HER activity, which has been confirmed through density functional theory (DFT) calculations. This strategy could be extended to the rational design and synthesis of other heterostructured catalysts for energy conversion and storage.
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Affiliation(s)
- Yidan Liu
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
- College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
| | - Nuttapon Yodsin
- Department of Chemistry, Faculty of Science, Silpakorn University, Nakorn Pathom 73000, Thailand
| | - Ting Li
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
- Jiangxi Province Key Laboratory of Polymer Preparation and Processing, School of Physical Science and Intelligent Education, Shangrao Normal University, Shangrao 334001, P. R. China
| | - Haocheng Wu
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Rongrong Jia
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Liyi Shi
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Zhuangchai Lai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR, P. R. China.
| | - Supawadee Namuangruk
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand.
| | - Lei Huang
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.
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57
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Li H, Xiao N, Jiang M, Long J, Li Z, Zhu Z. Advances of Transition Metal-Based Electrochemical Non-enzymatic Glucose Sensors for Glucose Analysis: A Review. Crit Rev Anal Chem 2024:1-37. [PMID: 38635407 DOI: 10.1080/10408347.2024.2339955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Glucose concentration is a crucial parameter for assessing human health. Over recent years, non-enzymatic electrochemical glucose sensors have drawn considerable attention due to their substantial progress. This review explores the common mechanism behind the transition metal-based electrocatalytic oxidation of glucose molecules through classical electrocatalytic frameworks like the Pletcher model and the Hydrous Oxide-Adatom Mediator model (IHOAM), as well as the redox reactions at the transition metal centers. It further compiles the electrochemical characterization techniques, associated formulas, and their ensuing conclusions pertinent to transition metal-based non-enzymatic electrochemical glucose sensors. Subsequently, the review covers the latest advancements in the field of transition metal-based active materials and support materials used in non-enzymatic electrochemical glucose sensors in the last decade (2014-2023). Additionally, it presents a comprehensive classification of representative studies according to the active metal catalysts components involved.
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Affiliation(s)
- Haotian Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Nan Xiao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Mengyi Jiang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Jianjun Long
- Danyang Development Zone, Jiangsu Yuwell-POCT Biological Technology Co., Ltd, Danyang, China
| | - Zhanhong Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Zhigang Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
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58
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Sadangi M, Behera JN. Ruthenium-doped cobalt sulphide electrocatalyst derived from a ruthenium-cobalt Prussian blue analogue (RuCo-PBA) for an enhanced hydrogen evolution reaction (HER). Dalton Trans 2024; 53:6667-6675. [PMID: 38526544 DOI: 10.1039/d4dt00099d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
The designing of efficient electrocatalysts for hydrogen generation is essential for the practical application of water-splitting devices. With numerous electrochemical advantages, transition metal sulphides are regarded as the most promising candidates for catalysing the hydrogen evolution reaction (HER) in acidic media. In the present study, Ru-doped cobalt sulphide nanosheets, termed Co9S8/Ru@t (t = 24 h, 48 h, and 72 h), were obtained by varying the reaction time from 24 h to 72 h from a RuCo-PBA precursor. The role of the time period for the synthesis of Co9S8/Ru@48h is vital in increasing the number of electroactive sites and optimising the hydrogen adsorption-desorption phenomena leading to an increment in the HER activity. The electrochemical outcomes demonstrate that the optimized Co9S8/Ru@48h requires a low overpotential of just 94 mV to produce 10 mA cm-2 current density, and also exhibits a lower Tafel slope value of 84 mV dec-1 defining its faster reaction kinetics. The as-synthesized Co9S8/Ru@48h was stable for up to 20 h of constant electrolysis signifying its outstanding durability. The optimized synthetic approach and impressive electrochemical results make Co9S8/Ru@48h a suitable alternative to noble-metal-based electrocatalysts for the HER.
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Affiliation(s)
- Manisha Sadangi
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute (HBNI), Khurdha, 752050 Odisha, India.
- Centre for Interdisciplinary Sciences (CIS), NISER, 752050 Jatni, Odisha, India
| | - J N Behera
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute (HBNI), Khurdha, 752050 Odisha, India.
- Centre for Interdisciplinary Sciences (CIS), NISER, 752050 Jatni, Odisha, India
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59
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Allwyn N, Gokulnath S, Sathish M. In-Situ Nanoarchitectonics of Fe/Co LDH over Cobalt-Enriched N-Doped Carbon Cookies as Facile Oxygen Redox Electrocatalysts for High-Rate Rechargeable Zinc-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38619401 DOI: 10.1021/acsami.3c19483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
The reality of long-term rechargeable and high-performance zinc-air batteries relies majorly on cost-effective and eminent bifunctional electrocatalysts, which can perform both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Herein, we demonstrate a new approach for the synthesis of in-situ-grown layered double hydroxide of iron and cobalt over a cobalt nanoparticle-enriched nitrogen-doped carbon frame (CoL 2:1) by a simple coprecipitation reaction with facile scale-up and explore its electrocatalytic ORR and OER activity for an electrically rechargeable zinc-air battery. Consequently, the developed composite displays excellent ORR and OER activity with an ORR half-wave potential of 0.84 V, a limiting current density of 5.85 mA/cm2, and an OER overpotential of 320 mV with exceptional stability. The outstanding bifunctionality index of the catalyst (ΔE = 0.72 V) inspired us to utilize it as a cathode catalyst in an in-house developed prototype zinc-air battery. The battery could easily supply a specific capacity of 804 mAh/g with a maximum peak power density of 161 mW/cm2. The battery exhibits an attractive charge-discharge profile with a lesser voltage gap of 0.76 V at 10 mA/cm2 with durability for a period of 200 h and a voltage efficiency of 97%, which surpassed the corresponding Pt/C + RuO2-based zinc-air battery. Further, a maximum load of 50 mA/cm2 could easily be sustained during cycling, revealing its outstanding stability. A series-connected two CoL 2:1-based zinc-air batteries effortlessly enlighten a pinwheel fan and LED panel simultaneously, revealing its practicality. The high electrical conductivity and greater specific surface area of Co/N-C and its robust attachment with Fe/Co LDH preserves both active sites, thereby resulting in exceptional performance. Our method is capable of being flexible enough to create various bifunctional Co/N-C-based composite electrodes, opening up a feasible pathway to rechargeable zinc-air batteries with maximum energy density.
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Affiliation(s)
- Nadar Allwyn
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Subramaniam Gokulnath
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Marappan Sathish
- Electrochemical Power Sources Division, CSIR-CECRI, Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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60
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Du Y, Hao G, Zhao T, Li D, Liu G, Zhong D, Li J, Zhao Q. Easy conversion perovskite fluorides KCo 1-xFe xF 3 for efficient oxygen evolution reaction. Chem Commun (Camb) 2024; 60:4182-4185. [PMID: 38530667 DOI: 10.1039/d4cc00839a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Herein, we report an easily oxidized Co-Fe perovskite fluoride as an efficient catalyst for the oxygen evolution reaction (OER). In situ Raman spectroscopy showed that the presence of F promotes reconstruction to form highly active (Co3+Fe3+)OOH, and the current density of 10 mA cm-2 can be achieved at the overpotential of only 118 mV in 1 M KOH aqueous solution. This work helps to understand the role of fluoride during the OER.
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Affiliation(s)
- Yilei Du
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
| | - Genyan Hao
- Shanxi College of Technology, Shuozhou 036000, Shanxi, P. R. China
| | - Tao Zhao
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
| | - Dandan Li
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong, P. R. China
| | - Guang Liu
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
| | - Dazhong Zhong
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
| | - Jinping Li
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
| | - Qiang Zhao
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, P. R. China.
- Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, Shanxi, P. R. China
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Zhu Z, Zhao X, Xia BY, You B. Efficient Noble-Metal-Free Integration Electrolysis for Solar H 2 and Supercapacitor Electrode Coproduction in Acidic Water. CHEMSUSCHEM 2024; 17:e202301213. [PMID: 38095357 DOI: 10.1002/cssc.202301213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/06/2023] [Indexed: 01/11/2024]
Abstract
Solar driven proton exchange membrane water electrolysis (PEMWE) is of great promise for stable and high-purity H2 production, but often limited by the serious partial loading issue due to the intermittent nature of solar energy, the kinetically sluggish oxygen evolution reaction (OER) and the usage of noble metal-based anodes (e. g., Pt, Ir, and Ru). Herein, we report an efficient integrated water electrolysis by replacing OER with favorable pyrrole electrooxidation polymerization for H2 generation in acidic solutions, wherein nonprecious Co2P and carbon cloth (CC) served as cathode and anode, respectively. A voltage of only 1.0 V was needed to afford 10 mA cm-2, 590 mV smaller than that in traditional PEMWE based on noble Pt/C@RuO2 benchmark couple. Moreover, simple carbonization of the resulting polypyrrole/CC at anode yielded a supercapacitor electrode with a high specific capacitance of 290 F g-1 at 1 A g-1 and robust stability, which then functioned as energy reservoir to alleviate the partial loading issue for coproduction of solar H2 and supercapacitor electrode.
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Affiliation(s)
- Zhiwei Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, 430074, China
| | - Xin Zhao
- Hubei Engineering Research Center of Radio Frequency Microwave Technology and Application, School of Science, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Bao Yu Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, 430074, China
| | - Bo You
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, 430074, China
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62
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Qiao M, Li B, Fei T, Xue M, Yao T, Tang Q, Zhu D. Design Strategies towards Advanced Hydrogen Evolution Reaction Electrocatalysts at Large Current Densities. Chemistry 2024; 30:e202303826. [PMID: 38221628 DOI: 10.1002/chem.202303826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/11/2024] [Accepted: 01/14/2024] [Indexed: 01/16/2024]
Abstract
Hydrogen (H2), produced by water electrolysis with the electricity from renewable sources, is an ideal energy carrier for achieving a carbon-neutral and sustainable society. Hydrogen evolution reaction (HER) is the cathodic half-reaction of water electrolysis, which requires active and robust electrocatalysts to reduce the energy consumption for H2 generation. Despite numerous electrocatalysts have been reported by the academia for HER, most of them were only tested under relatively small current densities for a short period, which cannot meet the requirements for industrial water electrolysis. To bridge the gap between academia and industry, it is crucial to develop highly active HER electrocatalysts which can operate at large current densities for a long time. In this review, the mechanisms of HER in acidic and alkaline electrolytes are firstly introduced. Then, design strategies towards high-performance large-current-density HER electrocatalysts from five aspects including number of active sites, intrinsic activity of each site, charge transfer, mass transfer, and stability are discussed via featured examples. Finally, our own insights about the challenges and future opportunities in this emerging field are presented.
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Affiliation(s)
- Man Qiao
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Bo Li
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Teng Fei
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Mingren Xue
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Tianxin Yao
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Qin Tang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, 224051, China
| | - Dongdong Zhu
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
- Anhui Key Laboratory of low temperature Co-fired Materials, Huainan Normal University, Huainan, 232038, China
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63
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Wu P, Sui P, Peng G, Sun Z, Liu F, Yao W, Jin H, Lin S. Designable Photo-Responsive Micron-Scale Ultrathin Peptoid Nanobelts for Enhanced Performance on Hydrogen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312724. [PMID: 38197470 DOI: 10.1002/adma.202312724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Indexed: 01/11/2024]
Abstract
The development of high-reactive single-atom catalysts (SACs) based on long-range-ordered ultrathin organic nanomaterials (UTONMs) (i.e., below 3 nm) provides a significant tactic for the advancement in hydrogen evolution reactions (HER) but remains challenging. Herein, photo-responsive ultrathin peptoid nanobelts (UTPNBs) with a thickness of ≈2.2 nm and micron-scaled length are generated using the self-assembly of azobenzene-containing amphiphilic ternary alternating peptoids. The pendants hydrophobic conjugate stacking mechanism reveals the formation of 1D ultralong UTPNBs, whose thickness is dictated by the length of side groups that are linked to peptoid backbones. The photo-responsive feature is demonstrated by a reversible morphological transformation from UTPNBs to nanospheres (21.5 nm) upon alternative irradiation with UV and visible lights. Furthermore, the electrocatalyst performance of these aggregates co-decorated with nitrogen-rich ligand of terpyridine (TE) and uniformly-distributed atomic platinum (Pt) is evaluated toward HER, with a photo-controllable electrocatalyst activity that highly depended on both the presence of Pt element and structural characteristic of substrates. The Pt-based SACs using TE-modified UTPNBs as support exhibit a favorable electrocatalytic capacity with an overpotential of ≈28 mV at a current density of 10 mA cm-2. This work presents a promising strategy to fabricate stimuli-responsive UTONMs-based catalysts with controllable HER catalytic performance.
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Affiliation(s)
- Pengchao Wu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Pengliang Sui
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Guiping Peng
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zichao Sun
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Fan Liu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Wenqian Yao
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Haibao Jin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Shaoliang Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
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64
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Jia H, Su P, Fan J, Guo T, Zhang Y, Miao L, Wan L, Yang P, Liu MC. Constructing CoNC coordination in Co 9S 8 embedded N,S-codoped carbon nanotube as an advanced electrode for supercapacitor and Na-ion battery. J Colloid Interface Sci 2024; 659:974-983. [PMID: 38219315 DOI: 10.1016/j.jcis.2024.01.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
Yolk-shell-structured transition metal sulfides (TMSs)/carbon nanocomposites are highly desirable in advanced energy storage system, such as sodium-ion batteries (SIBs) and supercapacitors (SCs). Nevertheless, practical applications are still prevented by the loose attachment of TMSs with carbon caused by conversion stress, the aggregation of TMSs nanoparticles and the sluggish ion transport caused by high crystallinity of carbon. Here, the disperse hollow Co9S8 nanoparticles encapsulated into N,S-codoped carbon nanotubes (CNTs) with poor crystallinity through CoNC bond was synthesized (CS-NSCNT) to overcome the above obstacles. The designed CS-NSCNT can provide the short diffusion path and prevent the huge volume expansion of conversion reaction. Moreover, the established CoNC bond endows the strong interaction and regulates the electronic structure thus promote the stability and rate performance effectively. The CS-NSCNT SCs's electrode delivers a high specific capacitance of 1150 F g-1 at 1 A g-1, with a high cycling life stability and rate performance. For SIBs, the CS-NSCNT cathode demonstrates an initial reversible capacity of 475 mAh g-1 at 0.1 A g-1 and an excellent rate performance with a capacity retention of 53 % at 10 A g-1. This work may satisfy the long-stability, high-capacitance/capacity, high-power/energy density application requirements of future applications.
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Affiliation(s)
- Henan Jia
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Pei Su
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Jiahang Fan
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Taotao Guo
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Yiming Zhang
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Lingfen Miao
- College of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Lei Wan
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China.
| | - Penghui Yang
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China.
| | - Mao-Cheng Liu
- School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China.
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65
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Li J, Li R, Wang W, Lan K, Zhao D. Ordered Mesoporous Crystalline Frameworks Toward Promising Energy Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311460. [PMID: 38163922 DOI: 10.1002/adma.202311460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/13/2023] [Indexed: 01/03/2024]
Abstract
Ordered mesoporous crystalline frameworks (MCFs), which possess both functional frameworks and well-defined porosity, receive considerable attention because of their unique properties including high surface areas, large pore sizes, tailored porous structures, and compositions. Construction of novel crystalline mesoporous architectures that allows for rich accessible active sites and efficient mass transfer is envisaged to offer ample opportunities for potential energy-related applications. In this review, the rational synthesis, unique structures, and energy applications of MCFs are the main focus. After summarizing the synthetic approaches, an emphasis is placed on the delicate control of crystallites, mesophases, and nano-architectures by concluding basic principles and showing representative examples. Afterward, the currently fabricated components of MCFs such as metals, metal oxides, metal sulfides, and metal-organic frameworks are described in sequence. Further, typical applications of MCFs in rechargeable batteries, supercapacitors, electrocatalysis, and photocatalysis are highlighted. This review ends with the possible development and synthetic challenges of MCFs as well as a future prospect for high-efficiency energy applications, which underscores a pathway for developing advanced materials.
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Affiliation(s)
- Jialong Li
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
| | - Rongyao Li
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
| | - Wendi Wang
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
| | - Kun Lan
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
| | - Dongyuan Zhao
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, P. R. China
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66
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Knoche Gupta K, Lee HC, Leddy J. Magnetoelectrocatalysis: Evidence from the Hydrogen Evolution Reaction. ACS PHYSICAL CHEMISTRY AU 2024; 4:148-159. [PMID: 38560752 PMCID: PMC10979484 DOI: 10.1021/acsphyschemau.3c00039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 04/04/2024]
Abstract
Hydrogen evolution reaction (HER) rates are higher where magnetic gradients are established at electrode surfaces. In comparison of literature data for metals with comparable work functions, we note 1000× higher rates for paramagnetic metals than diamagnetic metals. With unpaired electron spins, paramagnetic and ferromagnetic metals establish interfacial magnetic gradients. At diamagnetic electrodes, gradients are induced by addition of magnetized microparticles. Onset of hydrogen evolution for magnetized γ-Fe2O3 microparticles in Nafion on diamagnetic glassy carbon electrodes is lower by 190 mV (-18 kJ mol-1) relative to demagnetized microparticles. Chemically the same as demagnetized particles, the physical distinction of magnetic field and gradient at magnetized microparticles increases electron transfer rate. For magnetized Fe3O4 microparticles, the onset is lower by 280 mV (-27 kJ mol-1). Paramagnetic platinum electrodes are unaffected by addition of magnetized microparticles. Magnetoelectrocatalysis is established by magnetic gradients.
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Affiliation(s)
| | | | - Johna Leddy
- Department of Chemistry, University
of Iowa, Iowa City, Iowa 52240, United States
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67
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Pumford A, White RJ. Controlling the Collision Type and Frequency of Single Pt Nanoparticles at Chemically Modified Gold Electrodes. Anal Chem 2024; 96:4800-4808. [PMID: 38470344 DOI: 10.1021/acs.analchem.3c04668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Studying the electrochemical response of single nanoparticles at an electrode surface gives insight into the dynamic and stochastic processes that occur at the electrode interface. Herein, we investigated single platinum nanoparticle collision dynamics and type (elastic vs inelastic) at gold electrode surfaces modified with self-assembled monolayers (SAMs) of varying terminal chemistries. Collision events are measured via the faradaic current from catalytic reactions at the Pt surface. By changing the terminal, solution-facing group of a thiolate monolayer, we observed the effect of hydrophobicity at the solution-electrode interface on single-particle collisions by employing either a hydrophobic -CH3 terminal group (1-hexanethiol), a hydrophilic -OH terminal group (6-mercaptohexanol), or an equimolar mixture of the two. Changes in the terminal group lead to alterations in collision-induced current magnitude, collisional frequency, and the distinct shape of the collision event current transient. The effects of the terminal group of the SAM were probed by measuring quantitative differences in the events monitored through both the hydrogen evolution reaction (HER) and hydrazine oxidation. In both cases, a platinum nanoparticle (PtNP) favors adsorption to bare and hydrophilic surfaces but demonstrates elastic collision behavior when it collides with a hydrophobic surface. In the case of a mixed monolayer, distinct characteristics of hydrophobic and hydrophilic surfaces are observed. We report how single nanoparticle collisions can reveal nanoscale surface heterogeneity and can be used to manipulate the nature of single-particle interactions on an electrode surface by functionalized self-assembled monolayers.
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Affiliation(s)
- Audrey Pumford
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Ryan J White
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
- Department of Electrical Engineering and Computer Science, University of Cincinnati, Cincinnati, Ohio 45221, United States
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68
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Zhang W, Wang K, Lin F, Zhang Q, Sun Y, Luo H, Zhang W, Zhou J, Lv F, Wang D, Gu L, Luo M, Guo S. Assembled RhRuFe Trimetallene for Water Electrolysis. SMALL METHODS 2024:e2400336. [PMID: 38517268 DOI: 10.1002/smtd.202400336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/09/2024] [Indexed: 03/23/2024]
Abstract
Industrializing water electrolyzers demands better electrocatalysts, especially for the anodic oxygen evolution reaction (OER). The prevailing OER catalysts are Ir or Ru-based nanomaterials, however, they still suffer from insufficient stability. An alternative yet considerably less explored approach is to upgrade Rh, a known stable but moderately active element for OER electrocatalysis, via rational structural engineering. Herein, a precise synthesis of assembled RhRuFe trimetallenes (RhRuFe TMs) with an average thickness of 1 nm for boosting overall water splitting catalysis is reported. Favorable mass transport and optimized electronic structure collectively render RhRuFe TMs with an improved OER activity of an overpotential of 330 mV to deliver 10 mA cm-2, which is significantly lower than the Rh/C control (by 601 mV) and reported Rh-based OER electrocatalysts. In particular, the RhRuFe TMs-based water splitting devices can achieve the current density of 10 mA cm-2 at a low voltage of 1.63 V, which is among the best in the Rh-based bifunctional catalysts for electrolyzers. The addition of Fe in RhRuFe TMs can modulate the strain/electron distribution of the multi-alloy, which regulates the binding energies of H* and OH* in hydrogen and oxygen evolution reactions for achieving the enhanced bifunctional OER and HER catalysis is further demonstrated.
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Affiliation(s)
- Wenshu Zhang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Kai Wang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Fangxu Lin
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yingjun Sun
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Heng Luo
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Weiyu Zhang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jinhui Zhou
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Fan Lv
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Dawei Wang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Lin Gu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Mingchuan Luo
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Shaojun Guo
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
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69
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Chen J, Liu Y, Duan R, Huang Q, Li C. Binuclear Metal Phthalocyanines with Enhanced Activity in the Oxygen Evolution Reaction: A First-Principles Study. J Phys Chem Lett 2024:3336-3344. [PMID: 38498308 DOI: 10.1021/acs.jpclett.4c00363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
The rational design of efficient catalysts for the electrochemical oxygen evolution reaction (OER) critically relies on a comprehensive understanding of the reaction mechanisms. Herein, the alkaline OER on planar mononuclear metal phthalocyanines (MPc, where M = Mn, Co, Fe, and Ni) and binuclear metal phthalocyanines (bi-MPc) is studied using density functional theory (DFT) methods. Both FePc and bi-CoPc exhibit enhanced stability and OER activity, with the energy required for the leaching of central metal being as high as 2.28 and 2.45 eV and the overpotentials of the OER being 0.48 and 0.57 V, respectively. Through electronic structure analysis, it is found that, in the OER process of bi-MPc, the large macrocyclic ligand and metal ions not bonding with the intermediate can serve as hole reservoirs. Intermediate species are further stabilized by the dispersal of a positive charge, reducing the free energy. These findings underscore the significance of macrocyclic ligands in the rate-determining step of the OER catalyst.
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Affiliation(s)
- Jun Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yang Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Ruizhi Duan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- Key Laboratory of Advanced Catalysis of Gansu Province, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Qinge Huang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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70
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Cao Y, Li Z, Yin X, Gan Y, Ye Y, Cai R, Wang Q, Feng B, Dai X, Song W. Electronic modulation and reaction-pathway optimization on three-dimensional seaweed-like NiSe@NiMn LDH heterostructure to trigger effective oxygen evolution reaction. J Colloid Interface Sci 2024; 658:528-539. [PMID: 38128196 DOI: 10.1016/j.jcis.2023.12.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
The development of low-cost and high-efficiency electrocatalysts for the oxygen evolution reaction (OER) is essential to produce high-purity hydrogen in large scale. Herein, a three-dimensional (3D) seaweed-like hierarchical structure was fabricated using two-dimensional (2D) NiMn LDH nanosheets wrapped on one-dimensional (1D) NiSe nanowires with nickel foam (NF) as a substrate (NiSe@NiMn LDH/NF) via hydrothermal and electrodeposition processes. Owing to the strong interfacial synergy, 3D seaweed-like hierarchical structure, higher conductivity, and strong structural stability, the NiSe@NiMn LDH/NF exhibited superior OER performance with an overpotential of 287 mV at 100 mA cm-2, and stably operated for 160 h at large current. Moreover, the overall water splitting system with NiSe@NiMn LDH/NF as the anode and Pt/C/NF as the cathode exhibited a low cell voltage of 1.59/1.64 V to reach 50/100 mA cm-2, and excellent stability for 110 h at 300 mA cm-2. The density function theory (DFT) calculations unveiled that NiSe@NiMn LDH enabled the interfacial synergy, reallocating the electron density at the interface, and further weakening the energy barrier of OH* by strengthening chemical bonds with OH* intermediates to improve the intrinsic OER activity.
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Affiliation(s)
- Yihua Cao
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Zhi Li
- College of Science, China University of Petroleum, Beijing 102249, China
| | - Xueli Yin
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Yonghao Gan
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Ying Ye
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Run Cai
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Qi Wang
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Bo Feng
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China
| | - Xiaoping Dai
- College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China; State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China.
| | - Weiyu Song
- College of Science, China University of Petroleum, Beijing 102249, China.
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Karade SS, Sharma R, Morgen P, Makovec D, Gyergyek S, Andersen SM. Tailoring iridium-palladium nanoparticles with Ir-rich skin: a highly durable anode electrocatalyst for acidic water electrolysis via a facile microwave-assisted chemical reduction method. Phys Chem Chem Phys 2024; 26:9060-9072. [PMID: 38441809 DOI: 10.1039/d3cp04284g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Electrochemical water splitting under acidic conditions is a clean way towards producing hydrogen fuels. The slow kinetics of the oxygen evolution reaction (OER) at the anode is currently a bottleneck for commercial acceptance of this technology. Therefore, arriving at more efficient and sustainable OER electrocatalysts is highly desirable. We here demonstrate the synthesis of iridium-palladium (IrPd) alloy nanoparticles (2-5 nm) with variable average composition (Ir : Pd = 1 : 0, 1 : 1, 1 : 3, 1 : 6, 1 : 9 and 0 : 1) using a facile one-pot microwave-assisted chemical reduction method. The IrPd nanoparticles show structure- and composition-dependent OER performance in acidic media. Utilizing different reduction strengths and precursor ratios, successful alloy catalysts were prepared with Ir-rich skin and sublayers of different Pd compositions. Their structures were revealed using high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, and hydrogen underpotential deposition (Hupd) studies. It turned out that (1) the alloy OER catalyst also has a high electrochemically active surface area for hydrogen adsorption/desorption, (2) the OER performance is strongly dependent on the surface Ir contribution and (3) the intact Ir skin is essential for electrocatalyst stability.
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Affiliation(s)
- Swapnil Sanjay Karade
- Department of Green Technology, University of Southern Denmark, Campusvej 55, Odense M DK-5230, Denmark.
| | - Raghunandan Sharma
- Department of Green Technology, University of Southern Denmark, Campusvej 55, Odense M DK-5230, Denmark.
| | - Per Morgen
- Department of Green Technology, University of Southern Denmark, Campusvej 55, Odense M DK-5230, Denmark.
| | - Darko Makovec
- Department for Materials Synthesis, Jozef Stefan Institute, Jamova 39, Ljubljana SI-1000, Slovenia
| | - Sašo Gyergyek
- Department for Materials Synthesis, Jozef Stefan Institute, Jamova 39, Ljubljana SI-1000, Slovenia
| | - Shuang Ma Andersen
- Department of Green Technology, University of Southern Denmark, Campusvej 55, Odense M DK-5230, Denmark.
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72
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Gupta G, Gusmão F, Paul A, Šljukić B, Santos DMF, Lee J, Guedes da Silva MFC, Pombeiro AJL, Lee CY. A mixed-ligand Co metal-organic framework and its carbon composites as excellent electrocatalysts for the oxygen evolution reaction in green-energy devices. Dalton Trans 2024; 53:5001-5009. [PMID: 38059528 DOI: 10.1039/d3dt02421k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Oxygen evolution reaction (OER) electrocatalysts are frequently made from noble metal-based oxides like ruthenium/iridium oxides. However, because of their scarcity and high price, researchers are now focusing on creating innovative OER catalysts based on affordable transition metals that have improved electrical conductivity and accessibility to active sites. Metal-organic frameworks (MOFs), a unique class of inorganic materials with excellent physical and chemical properties, have witnessed significant progress in promising green energy systems. In this work, a novel mixed-ligand metal-organic framework [Co(μ-1κN,2κN'-BDP)(μ3-1κoo',2κo''2κo'''-BTC)]n·nH2O (BDP = boron-dipyrromethene or BODIPY; BTC = benzene tricarboxylate) denoted as CoBDPMOF has been synthesized, and its composites with different carbon materials have been designed. Compared to the pristine MOF, the composites showed enhanced electrocatalytic activity toward the oxygen evolution reaction (OER) in alkaline media. In addition, the CoBDPMOF with activated carbon showed the highest OER performance with a low Tafel slope (82 mV dec-1) and the highest j600 (59.8 mA cm-2), outperforming noble metal IrO2, the OER benchmark electrocatalyst. This study presents new insights into the design and application of CoBDPMOF-based materials for energy conversion and suggests promising avenues for further research and development in electrocatalysis.
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Affiliation(s)
- Gajendra Gupta
- Department of Energy and Chemical Engineering/Innovation Center for Chemical Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea.
| | - Filipe Gusmão
- Center of Physics and Engineering of Advanced Materials, Laboratory of Physics of Materials and Emerging Technologies, Chemical Engineering Department, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
| | - Anup Paul
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| | - Biljana Šljukić
- Center of Physics and Engineering of Advanced Materials, Laboratory of Physics of Materials and Emerging Technologies, Chemical Engineering Department, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
| | - Diogo M F Santos
- Center of Physics and Engineering of Advanced Materials, Laboratory of Physics of Materials and Emerging Technologies, Chemical Engineering Department, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
| | - Junseong Lee
- Department of Chemistry, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - M Fátima C Guedes da Silva
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
- Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisbon, Portugal
| | - Armando J L Pombeiro
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| | - Chang Yeon Lee
- Department of Energy and Chemical Engineering/Innovation Center for Chemical Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea.
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73
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Huang T, Yang ZX, Li L, Wan H, Leng C, Huang GF, Hu W, Huang WQ. Dipole Effect on Oxygen Evolution Reaction of 2D Janus Single-Atom Catalysts: A Case of Rh Anchored on the P6 m2-NP Configurations. J Phys Chem Lett 2024; 15:2428-2435. [PMID: 38394780 DOI: 10.1021/acs.jpclett.3c03148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
Catalytic performance of single-atom catalysts (SACs) relies fundamentally on the electronic nature and local coordination environment of the active site. Here, based on a machine-learning (ML)-aided density functional theory (DFT) method, we reveal that the intrinsic dipole in Janus materials has a significant impact on the catalytic activity of SACs, using 2D γ-phosphorus carbide (γ-PC) as a model system. Specifically, a local dipole around the active site is a key degree to tune the catalytic activity and can be used as an important descriptor with a high feature importance of 17.1% in predicting the difference of adsorption free energy (ΔGO* - ΔGOH*) to assess the activity of the oxygen evolution reaction. As a result, the catalytic performance of SACs can be tuned by an intrinsic dipole, in stark contrast to those external stimuli strategies previously used. These results suggest that dipole engineering and the revolutionary DFT-ML hybrid scheme are novel approaches for designing high-performance catalysts.
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Affiliation(s)
- Tao Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Zi-Xuan Yang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Lei Li
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Hui Wan
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
- School of Materials and Environmental Engineering, Changsha University, Changsha 410082, China
| | - Can Leng
- College of Intelligent Manufacture, Hunan First Normal University, Changsha 410205, China
| | - Gui-Fang Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Wangyu Hu
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China
| | - Wei-Qing Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
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74
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Bu Y, Yu W, Zhang W, Wang C, Ding J, Gao G. Engineering the Co(II)/Co(III) Redox Cycle and Co δ+ Species Shuttle for Nitrate-to-Ammonia Conversion. NANO LETTERS 2024; 24:2812-2820. [PMID: 38396345 DOI: 10.1021/acs.nanolett.3c04920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
Electroreduction of waste nitrate to valuable ammonia offers a green solution for environmental restoration and energy storage. However, the electrochemical self-reconstruction of catalysts remains a huge challenge in terms of maintaining their stability, achieving the desired active sites, and managing metal leaching. Herein, we present an electrical pulse-driven Co surface reconstruction-coupled Coδ+ shuttle strategy for the precise in situ regulation of the Co(II)/Co(III) redox cycle on the Co-based working electrode and guiding the dissolution and redeposition of Co-based particles on the counter electrode. As result, the ammonia synthesis performance and stability are significantly promoted while cathodic hydrogen evolution and anodic ammonia oxidation in a membrane-free configuration are effectively blocked. A high rate of ammonia production of 1.4 ± 0.03 mmol cm-2 h-1 is achieved at -0.8 V in a pulsed system, and the corresponding nitrate-to-ammonia Faraday efficiency is 91.7 ± 1.0%. This work holds promise for the regulation of catalyst reactivity and selectivity by engineering in situ controllable structural and chemical transformations.
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Affiliation(s)
- Yongguang Bu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Wenjing Yu
- Research Center of Environmental Science and Engineering, School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China
| | - Wenkai Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Chao Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Jie Ding
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
- Shenzhen Research Institute of Nanjing University, Shenzhen 518057, China
| | - Guandao Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
- Chongqing Innovation Research Institute of Nanjing University, Chongqing 401121, China
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75
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Hota A, Das JK, Panda PK, Mohammed AA, Biswal A, Rakesh B, Tripathy BC. Low-temperature synthesis of high-entropy amorphous metal oxides (HEOs) for enhanced oxygen evolution performance. Dalton Trans 2024; 53:4544-4550. [PMID: 38348902 DOI: 10.1039/d4dt00074a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
The rational design of multiple metal ions into high-entropy oxide electrode material via a single-step hydrothermal process is applicable to the evolution of oxygen molecules (O2) through simple water electrolysis. Their cost-effectiveness, high performance, and durable nature are the key factors of non-precious high-entropy multiple metal-based electrocatalysts, which can be used as replaceable catalysts instead of precious ones. This article reports a low-temperature synthesis of the cauliflower-type morphology of high-entropy amorphous metal oxides, and their electrochemical performances towards the oxygen evolution reaction (OER) are investigated. The multiple metal ion (Mn2+, Fe3+, Co2+, Ni2+, Cu2+) oxide electrode material shows an acceptable oxygen evolution reaction (OER) with an overpotential of 290 mV at a current density of 10 mA cm-2 and a lower Tafel slope value of 85 mV dec-1, respectively. Moreover, the 20 h durability test with negligible change in overpotential shows the efficacy of the modified electrode material in harsh alkaline media. The observed electrochemical results towards the OER correspond to the amorphous nature of the active material that displayed a cauliflower-type morphology, having a large specific surface area (240 m2 g-1) and providing higher electrochemical active sites as well. Consequently, post-stability characterization studies (such as PXRD, FESEM, TEM, and XPS) provide more information for understanding the post-structural and morphological results of the high-entropy amorphous metal oxide.
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Affiliation(s)
- Arpeeta Hota
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
| | - Jiban K Das
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
| | - Prasanna K Panda
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
| | - Asim A Mohammed
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
| | - Avijit Biswal
- Bhadrak (Autonomous) College, Bhadrak, 756100, India
| | - Benadict Rakesh
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
| | - B C Tripathy
- CSIR-Institute of Minerals and Material Technology (CSIR-IMMT), Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative, Research (AcSIR), Ghaziabad 201002, India
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76
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Liu J, Sun X, Fan Y, Yu Y, Li Q, Zhou J, Gu H, Shi K, Jiang B. P-N Heterojunction Embedded CuS/TiO 2 Bifunctional Photocatalyst for Synchronous Hydrogen Production and Benzylamine Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306344. [PMID: 37875719 DOI: 10.1002/smll.202306344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/25/2023] [Indexed: 10/26/2023]
Abstract
The coupling of photocatalytic hydrogen production and selective oxidation of benzylamine is a topic of significant research interest. However, enhancing the bifunctional photocatalytic activity in this context is still a major challenge. The construction of Z-scheme heterojunctions is an effective strategy to enhance the activity of bifunctional photocatalysts. Herein, a p-n type direct Z-scheme heterojunction CuS/TiO2 is constructed using metal-organic framework (MOF)-derived TiO2 as a substrate. The carrier density is measured by Mott-Schottky under photoexcitation, which confirms that the Z-scheme electron transfer mode of CuS/TiO2 is driven by the diffusion effect caused by the carrier concentration difference. Benefiting from efficient charge separation and transfer, photogenerated electrons, and holes are directedly transferred to active oxidation and reduction sites. CuS/TiO2 also exhibits excellent bifunctional photocatalytic activity without noble metal cocatalysts. Among them, the H2 evolution activity of the CuS/TiO2 is found to be 17.1 and 29.5 times higher than that of TiO2 and CuS, respectively. Additionally, the yields of N-Benzylidenebenzylamine (NBB) are 14.3 and 47.4 times higher than those of TiO2 and CuS, respectively.
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Affiliation(s)
- Jianan Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
| | - Xuemeng Sun
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
| | - Yuying Fan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
| | - Yaoguang Yu
- School of Materials, Sun Yat-sen University, Shenzhen, 518107, P. R. China
| | - Qi Li
- College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Jing Zhou
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, P. R. China
| | - Huiquan Gu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
| | - Keying Shi
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
| | - Baojiang Jiang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin, 150080, P. R. China
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77
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Xu J, Cao S, Zhong M, Ren S, Chen X, Li W, Wang C, Wang Z, Lu X, Lu X. Rational design of bimetal phosphide embedded in carbon nanofibers for boosting oxygen evolution. J Colloid Interface Sci 2024; 657:83-90. [PMID: 38035422 DOI: 10.1016/j.jcis.2023.11.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/02/2023]
Abstract
The development of non-precious metal electrocatalysts for oxygen evolution reaction (OER) is crucial for generating large-scale hydrogen through water electrolysis. In this work, bimetal phosphides embedded in electrospun carbon nanofibers (P-FeNi/CNFs) were fabricated through a reliable electrospinning-carbonization-phosphidation strategy. The incorporation of P-FeNi nanoparticles within CNFs prevented them from forming aggregation and further improved their electron transfer property. The bimetal phosphides helped to weaken the adsorption of O intermediate, promoting the OER activity, which was confirmed by the theoretical results. The as-prepared optimized P-Fe1Ni2/CNFs catalyst exhibited very high OER electrocatalytic performance, which required very low overpotentials of just 239 and 303 mV to reach 10 and 1000 mA cm-2, respectively. It is superior to the commercial RuO2 and many other related OER electrocatalysts reported so far. In addition, the constructed alkaline electrolyzer based on the P-Fe1Ni2/CNFs catalyst and Pt/C delivered a cell voltage of 1.52 V at 10 mA cm-2, surpassing the commercial RuO2||Pt/C (1.61 V) electrolyzer. It also offered excellent alkaline OER performance in simulated seawater electrolyte. This demonstrated its potential for practical applications across a broad range of environmental conditions. Our work provides new ideas for the ration design of highly efficient non-precious metal-based OER catalysts for water electrolysis.
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Affiliation(s)
- Jiaqi Xu
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Shoufu Cao
- School of Materials Science and Engineering, China University of Petroleum, Qingdao 266580, PR China
| | - Mengxiao Zhong
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Siyu Ren
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Xiaojie Chen
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Weimo Li
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Ce Wang
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China
| | - Zhaojie Wang
- School of Materials Science and Engineering, China University of Petroleum, Qingdao 266580, PR China.
| | - Xiaoqing Lu
- School of Materials Science and Engineering, China University of Petroleum, Qingdao 266580, PR China
| | - Xiaofeng Lu
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China.
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78
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Arbab AA, Cho S, Jung E, Han HS, Park S, Lee H. Ultralow-Overpotential Acidic Oxygen Evolution Reaction Over Bismuth Telluride-Carbon Nanotube Heterostructure with Organic Framework. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307059. [PMID: 37946687 DOI: 10.1002/smll.202307059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/19/2023] [Indexed: 11/12/2023]
Abstract
The state-of-the-art iridium and ruthenium oxides-based materials are best known for high efficiency and stability in acidic oxygen evolution reaction (OER). However, the development of economically feasible catalysts for water-splitting technologies is challenging by the requirements of low overpotential, high stability, and resistance of catalysts to dissolution during the acidic oxygen evolution reaction . Herein, an organometallic core-shell heterostructure composed of a carbon nanotube core (CNT) and bismuth telluride (Bi2Te3) shell (denoted as nC-Bi2Te3) is designed and use it as a catalyst for the acidic OER. The proposed catalyst achieves an ultralow overpotential of 160 mV at 10 mA cm-2 (geometrical), thereby outperforming most of the state-of-the-art precious-metal-based catalysts. The low Tafel slope of 30 mV dec-1 and charge transfer resistance (RCT) of 1.5 Ω demonstrate its excellent electrocatalytic activity. The morphological and chemical compositions of nC-Bi2Te3 enable the generation of ─OH functional group in the Bi─Te sections formed via a ligand support, which enhances the absorption capacity of H+ ions and increases the intrinsic catalytic activity. The presented insights regarding the material composition-structure relationship can help expand the application scope of high-performance catalysts.
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Affiliation(s)
- Alvira Ayoub Arbab
- School of Mechanical Engineering, Chung-Ang University, Seoul, 06974, South Korea
| | - Sehyeon Cho
- Department of Intelligent Energy and Industry, Chung-Ang University, Seoul, 06974, South Korea
| | - Euibeen Jung
- Department of Intelligent Energy and Industry, Chung-Ang University, Seoul, 06974, South Korea
| | - Hyun Soo Han
- Department of Mechanical Engineering, Stanford University, Stanford, CA, 94305, USA
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Sangwook Park
- Department of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
- Institute of Advanced Machines and Design, Seoul National University, Seoul, 08826, South Korea
- Institute of Engineering Research, Seoul National University, Seoul, 08826, South Korea
| | - Hyoungsoon Lee
- School of Mechanical Engineering, Chung-Ang University, Seoul, 06974, South Korea
- Department of Intelligent Energy and Industry, Chung-Ang University, Seoul, 06974, South Korea
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79
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Shi K, Sun Z, Yuan M, Zhao Y, Sun G. "Polyoxometalate electron sponge" induces the accurate regulation of electron states at Ni sites to enhance oxidation of water. J Colloid Interface Sci 2024; 657:37-45. [PMID: 38029527 DOI: 10.1016/j.jcis.2023.11.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/01/2023]
Abstract
Because of their special features, NiFe-LDHs (nickel iron layered double hydroxides) are prospective OER (oxygen evolution reaction) catalysts that might be utilized to catalyse the electrolysis of water and produce hydrogen to address the energy crisis. In this work, the electronic structure and electrocatalytic performance of the NiFe-LDH were accurately regulated by optimizing the Ni sites, which was enabled by adjacent metal sites coordinated with the "polyoxometalate electron sponge". With extension of the modification time, the Ni 2p binding energy, the Ni3+/Ni2+ ratio and the OER properties were gradually tuned, which indicated accurate regulation of active Ni sites by the "polyoxometalate electron sponge" on a temporal scale. Additionally, NiFe-LDH-PW12-12 h (NiFe-LDH modified by polyoxometalate anions for 12 h) showed the highest OER performance along with fast electron transfer, superior reaction kinetics and electrochemical durability, with an overpotential ∼68 mV lower than that of NiFe-LDH. This work provides an accurate strategy for regulating the electronic structures of active metal sites for the OER.
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Affiliation(s)
- Kefan Shi
- Beijing Key Laboratory of Energy Conversion and Storage Materials Institution, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Zemin Sun
- Center for Advanced Materials Research, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China
| | - Mengwei Yuan
- Center for Advanced Materials Research, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China
| | - Yuelin Zhao
- Beijing Key Laboratory of Energy Conversion and Storage Materials Institution, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Genban Sun
- Beijing Key Laboratory of Energy Conversion and Storage Materials Institution, College of Chemistry, Beijing Normal University, Beijing 100875, China; Center for Advanced Materials Research, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China.
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80
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Wang P, Zhang C, Ding J, Ji Y, Li Y, Zhang W. Motivating Inert Strontium Manganate with Iridium Dopants as Efficient Electrocatalysts for Oxygen Evolution in Acidic Electrolyte. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305662. [PMID: 37897152 DOI: 10.1002/smll.202305662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/14/2023] [Indexed: 10/29/2023]
Abstract
The search for high-performance and low-cost electrocatalysts in acid conditions still remains a challenging target. Herein, iridium (Ir) doped strontium manganate (named as Irx -SMO) is proposed as an efficient and durable low-iridium electrocatalyst for water oxidation in acidic media. The Ir0.1 -SMO with 75% less iridium in comparison to that of iridium dioxide (IrO2 ) exhibits excellent performance for oxygen evolution reaction (OER), which is even better than most of the iridium-based oxide electrocatalysts. The theoretical outcomes confirm the activation of the inert manganese sites in strontium manganate by the incorporation of iridium dopants. This work reveals the boosted effect of the iridium dopants on the OER activity of strontium manganate, providing a strategy to tune the activity of manganese-based perovskites in electrocatalysis.
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Affiliation(s)
- Piao Wang
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
| | - Changle Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
| | - Jiabao Ding
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
| | - Yujin Ji
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
- Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa, 999078, Macau
| | - Weifeng Zhang
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
- Center for Topological Functional Materials, Henan University, Kaifeng, 475004, China
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81
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Dang Van C, Garain S, Ager JW, Kim M, Lee MH. Heterostructure of Fe-Doped CoMoO x/CoMoO x as an Efficient Electrocatalyst for Oxygen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9989-9998. [PMID: 38358461 DOI: 10.1021/acsami.3c14929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Oxygen evolution reaction (OER) plays a crucial role as a counter half-reaction for both electrochemical hydrogen production through water splitting and the generation of valuable carbon compounds via CO2 reduction. To overcome the sluggish kinetics of the OER, significant efforts have been devoted to developing cost-effective, sustainable, and efficient electrocatalysts, with transition-metal-based catalysts emerging as promising candidates. Herein, we successfully synthesized a core-shell type nanostructure of Fe-doped CoMoOx/CoMoOx (CMFO), which exhibits excellent electrocatalytic properties for OER. The presence of an amorphous layer of Fe-doped CoMoOx with abundant oxygen vacancies, along with the stability of a key OER intermediate, *O, contributes to the enhanced activity of CMFO catalyst compared to pristine CoMoOx (CMO). The optimized catalyst of CMFO-550 achieved much lower overpotential and Tafel slope and also exhibited better remarkable long-term stability for over 90 h compared to CMO-550. These findings highlight the potential of CMFO-550 as a cost-effective and highly efficient electrocatalyst for the OER. The successful development of this core-shell nanostructure opens up a new opportunity for the design and synthesis of advanced electrocatalysts for the OER, with implications for various applications in energy conversion and storage.
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Affiliation(s)
- Cu Dang Van
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Samiran Garain
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Joel W Ager
- Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division and Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Minho Kim
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Min Hyung Lee
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
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82
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Liu Q, Liu K, Huang J, Hui C, Li X, Feng L. A review of modulation strategies for improving the catalytic performance of transition metal sulfide self-supported electrodes for the hydrogen evolution reaction. Dalton Trans 2024; 53:3959-3969. [PMID: 38294259 DOI: 10.1039/d3dt04244h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Electrocatalytic water splitting is considered to be one of the most promising technologies for large-scale sustained production of H2. Developing non-noble metal-based electrocatalytic materials with low cost, high activity and long life is the key to electrolysis of water. Transition metal sulfides (TMSs) with good electrical conductivity and a tunable electronic structure are potential candidates that are expected to replace noble metal electrocatalysts. In addition, self-supported electrodes have fast electron transfer and mass transport, resulting in enhanced kinetics and stability. In this paper, TMS self-supported electrocatalysts are taken as examples and their recent progress as hydrogen evolution reaction (HER) electrocatalysts is reviewed. The HER mechanism is first introduced. Then, based on optimizing the active sites, electrical conductivity, electronic structure and adsorption/dissociation energies of water and intermediates of the electrocatalysts, the article focuses on summarizing five modulation strategies to improve the activity and stability of TMS self-supported electrode electrocatalysts in recent years. Finally, the challenges and opportunities for the future development of TMS self-supported electrodes in the field of electrocatalytic water splitting are presented.
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Affiliation(s)
- Qianqian Liu
- College of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Kehan Liu
- College of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Jianfeng Huang
- School of Materials Science & Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, P.R. China.
| | - Chiyuan Hui
- Shaanxi Key Laboratory of Macromolecular Science and Technology, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Xiaoyi Li
- School of Materials Science & Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, P.R. China.
| | - Liangliang Feng
- School of Materials Science & Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, P.R. China.
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83
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Jin J, Yin J, Hu Y, Zheng Y, Liu H, Wang X, Xi P, Yan CH. Stabilizing Sulfur Sites in Tetraoxygen Tetrahedral Coordination Structure for Efficient Electrochemical Water Oxidation. Angew Chem Int Ed Engl 2024; 63:e202313185. [PMID: 38059914 DOI: 10.1002/anie.202313185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/22/2023] [Accepted: 12/04/2023] [Indexed: 12/08/2023]
Abstract
Ion regulation strategy is regarded as a promising pathway for designing transition metal oxide-based electrocatalysts for oxygen evolution reaction (OER) with improved activity and stability. Precise anion conditioning can accurately change the anionic environment so that the acid radical ions (SO4 2- , PO3 2- , SeO4 2- , etc.), regardless of their state (inside the catalyst, on the catalyst surface, or in the electrolyte), can optimize the electronic structure of the cationic active site and further increase the catalytic activity. Herein, we report a new approach to encapsulate S atoms at the tetrahedral sites of the NaCl-type oxide NiO to form a tetraoxo-tetrahedral coordination structure (S-O4 ) inside the NiO (S-NiO -I). Density functional theory (DFT) calculations and operando vibrational spectroscopy proves that this kind of unique structure could achieve the S-O4 and Ni-S stable structure in S-NiO-I. Combining mass spectroscopy characterization, it could be confirmed that the S-O4 structure is the key factor for triggering the lattice oxygen exchange to participate in the OER process. This work demonstrates that the formation of tetraoxygen tetrahedral structure is a generalized key for boosting the OER performances of transition metal oxides.
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Affiliation(s)
- Jing Jin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Jie Yin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Yang Hu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Yao Zheng
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, South Australia, 5005, Australia
| | - Hongbo Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Xinyao Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Pinxian Xi
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
| | - Chun-Hua Yan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Frontiers Science Centre for Rare Isotopes, Lanzhou University, Lanzhou, 730000, China
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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84
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Liu M, Zhang J, Su H, Jiang Y, Zhou W, Yang C, Bo S, Pan J, Liu Q. In situ modulating coordination fields of single-atom cobalt catalyst for enhanced oxygen reduction reaction. Nat Commun 2024; 15:1675. [PMID: 38396104 PMCID: PMC10891135 DOI: 10.1038/s41467-024-45990-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
Single-atom catalysts, especially those with metal-N4 moieties, hold great promise for facilitating the oxygen reduction reaction. However, the symmetrical distribution of electrons within the metal-N4 moiety results in unsatisfactory adsorption strength of intermediates, thereby limiting their performance improvements. Herein, we present atomically coordination-regulated Co single-atom catalysts that comprise a symmetry-broken Cl-Co-N4 moiety, which serves to break the symmetrical electron distribution. In situ characterizations reveal the dynamic evolution of the symmetry-broken Cl-Co-N4 moiety into a coordination-reduced Cl-Co-N2 structure, effectively optimizing the 3d electron filling of Co sites toward a reduced d-band electron occupancy (d5.8 → d5.28) under reaction conditions for a fast four-electron oxygen reduction reaction process. As a result, the coordination-regulated Co single-atom catalysts deliver a large half-potential of 0.93 V and a mass activity of 5480 A gmetal-1. Importantly, a Zn-air battery using the coordination-regulated Co single-atom catalysts as the cathode also exhibits a large power density and excellent stability.
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Affiliation(s)
- Meihuan Liu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, Hunan, China
| | - Jing Zhang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
| | - Hui Su
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, Hunan, China.
| | - Yaling Jiang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
| | - Wanlin Zhou
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
| | - Chenyu Yang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
| | - Shuowen Bo
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China
| | - Jun Pan
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, Hunan, China.
| | - Qinghua Liu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, Anhui, China.
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85
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Xi Q, Xie F, Sun Z, Liu J, Zhang X, Wang Y, Zhou A, Ma X, Gao X, Yue X, Ren J, Fan C, Jian X, Li R. NiRu-Mo 2Ti 2C 3O 2 as an efficient catalyst for alkaline hydrogen evolution reactions: the role of bimetallic site interactions in promoting Volmer-step kinetics. Phys Chem Chem Phys 2024; 26:7166-7176. [PMID: 38349087 DOI: 10.1039/d3cp05892a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
The Volmer step in alkaline hydrogen evolution reactions (HERs), which supplies H* to the following steps by cleaving H-O-H bonds, is considered the rate-determining step of the overall reaction. The Volmer step involves water dissociation and adsorbed hydroxyl (*OH) desorption; Ru-based catalysts display a compelling water dissociation process in an alkaline HER. Unfortunately, the strong affinity of Ru for *OH blocks the active sites, resulting in unsatisfactory performance during HER processes. Hence, this study investigates a series of key descriptors (ΔG*H2O, ΔG*H-OH, ΔG*H, and ΔG*OH) of TM (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, or Pt)-Ru/Mo2Ti2C3O2 to systematically explore the effects of bimetallic site interactions on the kinetics of the Volmer step. The results indicate that bimetallic catalysts effectively reduced the strong adsorption of *OH on Ru sites; especially, the NiRu diatomic state shows the highest electron-donating ability, which promoted the smooth migration of *OH from Ru sites to Ni sites. Therefore, Ru, Ni and MXenes are suitable to serve as water adsorption and dissociation sites, *OH desorption sites, and H2 release sites, respectively. Ultimately, NiRu/Mo2Ti2C3O2 promotes Volmer kinetics and has the potential to improve alkaline HERs. This work provides theoretical support for the construction of synergistic MXene-based diatomic catalysts and their wide application in the field of alkaline HERs.
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Affiliation(s)
- Qing Xi
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Fangxia Xie
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Zijun Sun
- Xi'an North Huian Chemical Industries Co. Ltd, Xi'an 710302, P. R. China
| | - Jianxin Liu
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xiaochao Zhang
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yawen Wang
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Aijuan Zhou
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
| | - Xiaoli Ma
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
| | - Xiaoming Gao
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
| | - Xiuping Yue
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
| | - Jun Ren
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Caimei Fan
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xuan Jian
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
| | - Rui Li
- Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.
- Key Laboratory of Coal Science and Technology, Ministry of Education, College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
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86
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Chen L, Chen H, Wu L, Li G, Tao K, Han L. Zeolitic Imidazolate Framework-Derived Co 3S 4@NiFe-LDH Core-Shell Heterostructure as Efficient Bifunctional Electrocatalyst for Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8751-8762. [PMID: 38319690 DOI: 10.1021/acsami.3c16683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
The development of stable and efficient bifunctional electrocatalysts is of utmost importance for overall water splitting. This study introduces Co3S4@NiFe-LDH core-shell heterostructure prepared via an electrodeposition of ultrathin NiFe-LDH nanosheet on zeolitic imidazolium framework-derived Co3S4 nanosheet arrays. The bifunctional Co3S4@NiFe-LDH/NF exhibits impressive catalytic performance and long-term stability for both the OER and HER with low overpotentials of 100 mA cm-2 at 235 mV and 10 mA cm-2 at 95 mV in 1 M KOH, respectively. The assembled cell with Co3S4@NiFe-LDH/NF as both cathode and anode shows voltages of 1.595 and 1.666 V at current densities of 10 and 20 mA cm-2, respectively, as well as ultralong stability over 500 h. DFT calculations expose a robust electron interaction at the heterogeneous interface of the Co3S4@NiFe-LDH/NF core-shell structure. This interaction promotes electron transfer from NiFe-LDH to Co3S4 and reduces the energy barriers for OER intermediates, thereby enhancing electrocatalytic activity. This research contributes novel insights toward the promising materials for electrochemical water splitting through the construction of heterojunction interfaces.
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Affiliation(s)
- Linli Chen
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Hao Chen
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Lei Wu
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Guochang Li
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Kai Tao
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Lei Han
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
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87
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Wang C, Zhao S, Han G, Bian H, Zhao X, Wang L, Xie G. Hierarchical Porous Nonprecious High-entropy Alloys for Ultralow Overpotential in Hydrogen Evolution Reaction. SMALL METHODS 2024:e2301691. [PMID: 38372003 DOI: 10.1002/smtd.202301691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/16/2024] [Indexed: 02/20/2024]
Abstract
Water electrolysis is considered the cleanest method for hydrogen production. However, the widespread popularization of water splitting is limited by the high cost and scarce resources of efficient platinum group metals. Hence, it is imperative to develop an economical and high-performance electrocatalyst to improve the efficiency of hydrogen evolution reaction (HER). In this study, a hierarchical porous sandwich structure is fabricated through dealloying FeCoNiCuAl2 Mn high-entropy alloy (HEA). This free-standing electrocatalyst shows outstanding HER performance with a very small overpotential of 9.7 mV at 10 mA cm-2 and a low Tafel slope of 56.9 mV dec-1 in 1 M KOH solution, outperforming commercial Pt/C. Furthermore, this electrocatalytic system recorded excellent reaction stability over 100 h with a constant current density of 100 mA cm-2 . The enhanced electrochemical activity in high-entropy alloys results from the cocktail effect, which is detected by density functional theory (DFT) calculation. Additionally, micron- and nano-sized pores formed during etching boost mass transfer, ensuring sustained electrocatalyst performance even at high current densities. This work provides a new insight for development in the commercial electrocatalysts for water splitting.
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Affiliation(s)
- Chunyang Wang
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
| | - Shen Zhao
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
| | - Guoqiang Han
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
| | - Haowei Bian
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
| | - Xinrui Zhao
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
| | - Lina Wang
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
| | - Guangwen Xie
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266045, P. R. China
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88
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Chen C, Jin H, Wang P, Sun X, Jaroniec M, Zheng Y, Qiao SZ. Local reaction environment in electrocatalysis. Chem Soc Rev 2024; 53:2022-2055. [PMID: 38204405 DOI: 10.1039/d3cs00669g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Beyond conventional electrocatalyst engineering, recent studies have unveiled the effectiveness of manipulating the local reaction environment in enhancing the performance of electrocatalytic reactions. The general principles and strategies of local environmental engineering for different electrocatalytic processes have been extensively investigated. This review provides a critical appraisal of the recent advancements in local reaction environment engineering, aiming to comprehensively assess this emerging field. It presents the interactions among surface structure, ions distribution and local electric field in relation to the local reaction environment. Useful protocols such as the interfacial reactant concentration, mass transport rate, adsorption/desorption behaviors, and binding energy are in-depth discussed toward modifying the local reaction environment. Meanwhile, electrode physical structures and reaction cell configurations are viable optimization methods in engineering local reaction environments. In combination with operando investigation techniques, we conclude that rational modifications of the local reaction environment can significantly enhance various electrocatalytic processes by optimizing the thermodynamic and kinetic properties of the reaction interface. We also outline future research directions to attain a comprehensive understanding and effective modulation of the local reaction environment.
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Affiliation(s)
- Chaojie Chen
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
| | - Huanyu Jin
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
| | - Pengtang Wang
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
| | - Xiaogang Sun
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
| | - Mietek Jaroniec
- Department of Chemistry and Biochemistry & Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA
| | - Yao Zheng
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
| | - Shi-Zhang Qiao
- School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
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89
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Greijer B, De Turck W, Daniel G, Saha J, Johnsson M, Seisenbaeva GA, Kessler V. Functional Nanostructures from Sol-Gel Synthesis Using Keggin Polyoxometallate Phosphotungstic Acid as a Precursor. Inorg Chem 2024; 63:3428-3435. [PMID: 38324263 PMCID: PMC10880052 DOI: 10.1021/acs.inorgchem.3c04122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/08/2024]
Abstract
Subjecting phosphotungstic acid solutions to low pH in combination with introduction of polyvalent cations led to the formation of nanostructured microspheres of approximately 2 μm in size, as shown by scanning electron microscopy, which were almost insoluble and resistant to degradation at neutral and high pH. These microspheres were composed of secondary nanospheres with diameters around 20 nm as revealed by transmission electron microscopy and atomic force microscopy. Investigations of the crystal structure of a potential intermediate of this process, namely, acidic lanthanum phosphotungstate, [La(H2O)9](H3O)3[PW12O40]2(H2O)19, showed a tight network of hydrogen bonding, permitting closer packing of phosphotungstic acid anions, thereby confirming the mechanism of the observed self-assembly process. The new material demonstrated promising electrochemical properties in oxygen evolution reactions with the high stability of the obtained electrode material.
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Affiliation(s)
- Björn Greijer
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Box 7015, Uppsala 75007, Sweden
| | - Wannes De Turck
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Box 7015, Uppsala 75007, Sweden
| | - Geoffrey Daniel
- Department
of Forest Biomaterials and Technology, Swedish
University of Agricultural Sciences,
Box 756 51, Uppsala 75007, Sweden
| | - Jayeeta Saha
- Department
of Materials and Environmental Chemistry, Arrhenius Lab, Stockholm University, Stockholm 106 91, Sweden
| | - Mats Johnsson
- Department
of Materials and Environmental Chemistry, Arrhenius Lab, Stockholm University, Stockholm 106 91, Sweden
| | - Gulaim A. Seisenbaeva
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Box 7015, Uppsala 75007, Sweden
| | - Vadim Kessler
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Box 7015, Uppsala 75007, Sweden
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90
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Cheng Y, Zhou J. Single-atom catalysts supported on two-dimensional tetragonal transition metal chalcogenides for hydrogen and oxygen evolution. iScience 2024; 27:108788. [PMID: 38292431 PMCID: PMC10825685 DOI: 10.1016/j.isci.2024.108788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/28/2023] [Accepted: 01/02/2024] [Indexed: 02/01/2024] Open
Abstract
Single-atom catalysts (SACs) offer maximum metal atom utilization and high catalytic performance. Transition metal atoms on two-dimensional (2D) materials are effective for improving electrocatalytic performance. However, few studies exist on SACs supported on 2D tetragonal transition metal chalcogenides (TMX) for OER and HER. We report a detailed theoretical study using DFT calculations on SACs supported on TMX monolayers, denoted as TMA@TMBX. Our findings demonstrate that seven TMA@TMBX electrocatalysts surpass IrO2 (ηOER = 0.56 V), with four TMA@TMBX exhibiting a reduced OER overpotential compared to RuO2 (ηOER = 0.42 V). Additionally, four TMA@TMBX exhibit higher HER performance than Pt (111) (ηHER = 0.10 V). We ultimately identified three SACs with high bifunctional HER/OER activity: Co@NiSe, Rh@NiTe, and Co@NiS. This study on TMA@TMBX provides insights for enhancing the HER and OER activities of SACs supported on 2D materials, which could have significant implications in clean and renewable energy.
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Affiliation(s)
- Yumeng Cheng
- State Key Laboratory of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Jia Zhou
- State Key Laboratory of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
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91
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Wei Y, Liu Z, Han Z, Liu T, Ding X, Gao Y. In situ assembly of Ni 3S 2 nanosheets encapsulated with NiFe(oxy)hydroxides for efficient water oxidation. Chem Commun (Camb) 2024; 60:2086-2089. [PMID: 38293904 DOI: 10.1039/d3cc06032b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Morphology control plays a pivotal role in achieving an exceptionally efficient electrocatalyst with abundant active sites and outstanding electrical conductivity. In this study, we employed a sophisticated chemical nanoengineering technique to fabricate an exquisitely thin NiFe(OH)x electrocatalyst on Ni3S2 nanosheets. Firstly, the Ni3S2 nanosheets were synthesized through an innovative in situ one-step sulfurization reaction of the Ni(OH)2 nanosheets grown on Ni foam. Subsequently, a remarkable ultrathin layer of NiFe(OH)x was precisely deposited onto the surface of the Ni3S2 to form a captivating core-shell structure using a chemical dipping method. The resulting electrode, denoted as NiFe(OH)x/Ni3S2/NF, exhibited exceptional electrocatalytic activity and durability towards the oxygen evolution reaction (OER), owing to its expansive specific surface area, rapid electron transport, and robust interlayer bonding. Notably, this electrode achieved an impressive current density of 100 mA cm-2 at an astonishingly low overpotential of 218 mV while maintaining a low Tafel slope of 37.9 mV dec-1 and remarkable stability for up to 12 days in 1 M KOH aqueous solution. This work presents an alluring novel approach for constructing highly efficient ultrathin catalysts for water splitting.
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Affiliation(s)
- Yu Wei
- State Key Laboratory of Fine Chemicals, Frontier Science Centre for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Zhao Liu
- National Marine Environmental Monitoring Centre, Ministry of Ecological Environment, Dalian 116023, China
| | - Zhenze Han
- State Key Laboratory of Fine Chemicals, Frontier Science Centre for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Taolue Liu
- State Key Laboratory of Fine Chemicals, Frontier Science Centre for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Xin Ding
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, Shandong, China.
| | - Yan Gao
- State Key Laboratory of Fine Chemicals, Frontier Science Centre for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
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92
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Wu X, Xie Y, Deng R, Wang Z, Yang H, Chen J, Hu YW. Tunable-pH Environment Induced by Local Anchor Effect of High Lewis Basicity Conductive Polymers toward Glycerol Upgrading Assisted Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5905-5914. [PMID: 38275284 DOI: 10.1021/acsami.3c17258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Hybrid organic/inorganic composites with the organic phase tailored to modulate the local chemical environment at the transition metal-based catalyst surface arise as an enchanting category of catalysts for electrocatalysis. A fundamental understanding of how the conductive polymers of different Lewis basicities affect the reaction path is, however, still lacking to guide rational catalyst design. Herein, polyaniline (PANI), poly(3,4-ethylenedioxythiophene) (PEDOT), and poly(vinyl alcohol) (PVA) manifesting different Lewis basicities are compared for their regulatory roles on the hydrogen evolution reaction (HER) and glycerol electrooxidation (GOR) pathways regarding local proton coverage. Concerted efforts from in situ Raman and DFT theoretical calculations unveil that conductive polymer/V2O5 surface with tunable local pH regulated by Lewis acidity/basicity. As a result of the tailored chemical environment, the restructured V2O5/PANI/NF composite demonstrates a low overall potential of 1.55 V at the partial current density of 50 mA cm-2 for formate. The glycerol upgrading assisted hydrogen evolution device composed of V2O5/PANI/NF exhibits excellent electrochemical performance at a maximal Faraday efficiency of 82%, ranking among state of the art.
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Affiliation(s)
- Xiao Wu
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China
| | - Yulu Xie
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China
| | - Renchao Deng
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China
| | - Zehua Wang
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China
| | - Hao Yang
- School of Chemistry & Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China
| | - Jian Chen
- Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China
| | - Yu-Wen Hu
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha 410082, China
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93
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Ratwani CR, Karunarathne S, Kamali AR, Abdelkader AM. Transforming Nature's Bath Sponge into Stacking Faults-Enhanced Ag Nanorings-Decorated Catalyst for Hydrogen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5847-5856. [PMID: 38284621 DOI: 10.1021/acsami.3c16115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
The rational design of cost-effective and efficient electrocatalysts for electrochemical water splitting is essential for green hydrogen production. Utilizing nanocatalysts with abundant active sites, high surface area, and deliberate stacking faults is a promising approach for enhancing catalytic efficiency. In this study, we report a simple strategy to synthesize a highly efficient electrocatalyst for the hydrogen evolution reaction (HER) using carbonized luffa cylindrica as a conductive N-doped carbon skeleton decorated with Ag nanorings that are activated by introducing stacking faults. The introduction of stacking faults and the resulting tensile strain into the Ag nanorings results in a significant decrease in the HER overpotential, enabling the use of Ag as an efficient HER electrocatalyst. Our findings demonstrate that manipulating the crystal properties of electrocatalysts, even for materials with intrinsically poor catalytic activity such as Ag, can result in highly efficient catalysts. Further, applying a conductive carbon backbone can lower the quantities of metal needed without compromising the HER activity. This approach opens up new avenues for designing high-performance electrocatalysts with very low metallic content, which could significantly impact the development of sustainable and cost-effective electrochemical water-splitting systems.
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Affiliation(s)
- Chirag R Ratwani
- Department of Design and Engineering, Faculty of Science & Technology, Bournemouth University, Poole, Dorset BH12 5BB, U.K
| | - Shadeepa Karunarathne
- Department of Design and Engineering, Faculty of Science & Technology, Bournemouth University, Poole, Dorset BH12 5BB, U.K
| | - Ali Reza Kamali
- Energy and Environmental Materials Research Centre (E2MC), School of Metallurgy, Northeastern University, Shenyang 110819, China
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, U.K
| | - Amr M Abdelkader
- Department of Design and Engineering, Faculty of Science & Technology, Bournemouth University, Poole, Dorset BH12 5BB, U.K
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94
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Jiang Y, Chen TY, Chen JL, Liu Y, Yuan X, Yan J, Sun Q, Xu Z, Zhang D, Wang X, Meng C, Guo X, Ren L, Liu L, Lin RYY. Heterostructured Bimetallic MOF-on-MOF Architectures for Efficient Oxygen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306910. [PMID: 37884276 DOI: 10.1002/adma.202306910] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/23/2023] [Indexed: 10/28/2023]
Abstract
Electron modulation presents a captivating approach to fabricate efficient electrocatalysts for the oxygen evolution reaction (OER), yet it remains a challenging undertaking. In this study, an effective strategy is proposed to regulate the electronic structure of metal-organic frameworks (MOFs) by the construction of MOF-on-MOF heterogeneous architectures. As a representative heterogeneous architectures, MOF-74 on MOF-274 hybrids are in situ prepared on 3D metal substrates (NiFe alloy foam (NFF)) via a two-step self-assembly method, resulting in MOF-(74 + 274)@NFF. Through a combination of spectroscopic and theory calculation, the successful modulation of the electronic property of MOF-(74 + 274)@NFF is unveiled. This modulation arises from the phase conjugation of the two MOFs and the synergistic effect of the multimetallic centers (Ni and Fe). Consequently, MOF-(74 + 274)@NFF exhibits excellent OER activity, displaying ultralow overpotentials of 198 and 223 mV at a current density of 10 mA cm-2 in the 1.0 and 0.1 M KOH solutions, respectively. This work paves the way for manipulating the electronic structure of electrocatalysts to enhance their catalytic activity.
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Affiliation(s)
- Yuanjuan Jiang
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
| | - Tsung-Yi Chen
- National Synchrotron Radiation Research Center, Hsinchu, 300092, Taiwan
| | - Jeng-Lung Chen
- National Synchrotron Radiation Research Center, Hsinchu, 300092, Taiwan
| | - Ying Liu
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Xiaolu Yuan
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jicong Yan
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Qi Sun
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Zichen Xu
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
| | - Daliang Zhang
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Xiang Wang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Changgong Meng
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
- College of Environmental and Chemical Engineering, Dalian University, Dalian, 116622, China
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Limin Ren
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
| | - Lingmei Liu
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Ryan Yeh-Yung Lin
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
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95
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Magnier L, Cossard G, Martin V, Pascal C, Roche V, Sibert E, Shchedrina I, Bousquet R, Parry V, Chatenet M. Fe-Ni-based alloys as highly active and low-cost oxygen evolution reaction catalyst in alkaline media. NATURE MATERIALS 2024; 23:252-261. [PMID: 38216724 DOI: 10.1038/s41563-023-01744-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 10/30/2023] [Indexed: 01/14/2024]
Abstract
NiFe-based oxo-hydroxides are highly active for the oxygen evolution reaction but require complex synthesis and are poorly durable when deposited on foreign supports. Herein we demonstrate that easily processable, Earth-abundant and cheap Fe-Ni alloys spontaneously develop a highly active NiFe oxo-hydroxide surface, exsolved upon electrochemical activation. While the manufacturing process and the initial surface state of the alloys do not impact the oxygen evolution reaction performance, the growth/composition of the NiFe oxo-hydroxide surface layer depends on the alloying elements and initial atomic Fe/Ni ratio, hence driving oxygen evolution reaction activity. Whatever the initial Fe/Ni ratio of the Fe-Ni alloy (varying between 0.004 and 7.4), the best oxygen evolution reaction performance (beyond that of commercial IrO2) and durability was obtained for a surface Fe/Ni ratio between 0.2 and 0.4 and includes numerous active sites (high NiIII/NiII capacitive response) and high efficiency (high Fe/Ni ratio). This knowledge paves the way to active and durable Fe-Ni alloy oxygen-evolving electrodes for alkaline water electrolysers.
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Affiliation(s)
- Lucile Magnier
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), SIMAP, Grenoble, France
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France
| | - Garance Cossard
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France
| | - Vincent Martin
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France
| | - Céline Pascal
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), SIMAP, Grenoble, France
| | - Virginie Roche
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France
| | - Eric Sibert
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France
| | - Irina Shchedrina
- Pierre Chevenard Research Center, APERAM Alloys Imphy, Imphy, France
| | | | - Valérie Parry
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), SIMAP, Grenoble, France
| | - Marian Chatenet
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering, Univ. Grenoble Alpes), LEPMI, Grenoble, France.
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96
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Wang Y, Ying Z, Gao Y, Shi L. Layered Double Hydroxide Nanosheets: Synthesis Strategies and Applications in the Field of Energy Conversion. Chemistry 2024; 30:e202303025. [PMID: 37902103 DOI: 10.1002/chem.202303025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 10/31/2023]
Abstract
In recent years, layered double hydroxides (LDH) nanosheets have garnered substantial attention as intriguing inorganic anionic layered clay materials. These nanosheets have captured the attention of researchers due to their unique physicochemical properties. This review aims to showcase the latest advancements in laboratory research concerning LDH nanosheets, with a specific emphasis on their methods of preparation. This review provides detailed insights into the factors influencing the anionic conductivity of LDH, along with delineating the applications of LDH nanosheets in the realm of energy conversion. Notably, the review highlights the crucial role of LDH nanosheets in the oxygen evolution reaction (OER), a vital process in water splitting and diverse electrochemical applications. The review emphasizes the significant potential of LDH nanosheets in enhancing supercapacitor technology, owing to their high surface area and exceptional charge storage capacity. Additionally, it elucidates the prospective application of LDH nanosheets as anion exchange membranes in anion exchange membrane fuel cells, potentially revolutionizing fuel cell performance through improved efficiency and stability facilitated by enhanced ion transport properties.
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Affiliation(s)
- Yindong Wang
- Center of Nanomaterials for Renewable Energy (CNRE), School of Electrical Engineering State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Zhixuan Ying
- Center of Nanomaterials for Renewable Energy (CNRE), School of Electrical Engineering State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Yushuan Gao
- Center of Nanomaterials for Renewable Energy (CNRE), School of Electrical Engineering State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Le Shi
- Center of Nanomaterials for Renewable Energy (CNRE), School of Electrical Engineering State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
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97
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Chen J, Qian J. Insights on MOF-derived metal-carbon nanostructures for oxygen evolution. Dalton Trans 2024. [PMID: 38269643 DOI: 10.1039/d3dt04263d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Electrochemical water splitting has been regarded a promising method for the production of green hydrogen, addressing the need for efficient energy conversion and storage. However, it is severely hindered by the oxygen evolution reaction (OER) because of its multi-step four-electron transfer pathway with sluggish reaction kinetics. Microporous metal-organic-frameworks (MOFs), by virtue of large specific surface area, high porosity, tunable composition and morphology, find widespread use as precursors of metal-carbon nanostructures. The resulting carbon nanomaterials can well inherit the characteristics and advantages of the crystalline MOF precursors, and exhibit versatile application prospects in the fields of environment and energy, particularly in OER. Herein, a meticulous overview of the synthesis strategy for MOF-derived metal-carbon nanostructures and the origins of their enhanced OER properties has been demonstrated. We comprehensively illustrate these aspects across three dimensions: MOF selection, metal introduction, and carbon structures. Finally, the challenges and future prospects for this emerging field will be presented.
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Affiliation(s)
- Junliang Chen
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, Zhejiang, P. R. China.
| | - Jinjie Qian
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, Zhejiang, P. R. China.
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98
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Kang W, Li Z, Wang J, Wu S, Gai Y, Wang G, Li Z, Zhu X, Zhu T, Wang H, Li K, Wang C. A motif for B/O-site modulation in LaFeO 3 towards boosted oxygen evolution. NANOSCALE 2024; 16:1823-1832. [PMID: 38168975 DOI: 10.1039/d3nr05259a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Here, a series of transition metal (Ni) doped iron-based perovskite oxides LaFe1-xNixO3-δ (x = 0, 0.25, 0.5, 0.75, 1) were prepared, and then the perovskite oxide with the optimized nickel-iron ratio was doped with non-metallic elements (N). Experimental and theoretical investigations reveal that the co-doping breaks the traditional linear constraint relationship (GOOH - GOH = 3.2 eV) and the theoretical overvoltage is reduced from 0.64 V (LaFeO3-δ) to 0.44 V (LaFe0.5Ni0.5O3-δ/N). Specifically, Ni-doping can accelerate electron transfer and improve the conductivity. Moreover, N-doping can reduce the adsorption energy of *OH/*O and enhance the adsorption energy of *OOH. We demonstrated that the optimized cation and anion co-doped LaFe0.5Ni0.5O3-δ/N perovskite oxide exhibits an excellent OER performance, with a low overpotential of 270.6 mV at 10 mA cm-2 and a small Tafel slope of 65 mV dec-1 in 1 M KOH solution, markedly exceeding that of the parent perovskite oxide LaFeO3-δ (300.9 mV) and commercial IrO2 (289.1 mV). It also delivers decent durability with no significant degradation after a 35 h stability test. This work reveals the internal mechanism of perovskite oxide by doping cation and anion for water oxidation, which broadens the idea for the rational design of new perovskite-based sustainable energy catalysts.
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Affiliation(s)
- Wenli Kang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Zhishan Li
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Jinsong Wang
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, PR China
| | - Shaopeng Wu
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Yiguang Gai
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Guanghao Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Zhouhang Li
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Xing Zhu
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Tao Zhu
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Hua Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Kongzhai Li
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, PR China.
| | - Chundong Wang
- School of Integrated Circuits, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, PR China
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99
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Guo L, Wan X, Liu J, Guo X, Liu X, Shang J, Yu R, Shui J. Revealing Distance-Dependent Synergy between MnCo 2O 4 and Co-N-C in Boosting the Oxygen Reduction Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:3388-3395. [PMID: 38214267 DOI: 10.1021/acsami.3c15627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Synergistic effects have been applied to a variety of hybrid electrocatalysts to improve their activity and selectivity. Understanding the synergistic mechanism is crucial for the rational design of these types of catalysts. Here, we synthesize a MnCo2O4/Co-N-C hybrid electrocatalyst for the oxygen reduction reaction (ORR) and systematically investigate the synergy between MnCo2O4 nanoparticles and Co-N-C support. Theoretical simulations reveal that the synergy is closely related to the distance between active sites. For a pair of remote active sites, the ORR proceeds through the known 2e- + 2e- relay catalysis while the direct 4e- ORR occurs on a pair of adjacent active sites. Therefore, the formation of the undesired byproduct (H2O2) is inhibited at the interface region between MnCo2O4 and Co-N-C. This synergistic effect is further verified on an anion-exchange membrane fuel cell. The findings deepen the understanding of synergistic catalysis and will provide guidance for the rational design of hybrid electrocatalysts.
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Affiliation(s)
- Liming Guo
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Xin Wan
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Jieyuan Liu
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Xu Guo
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Xiaofang Liu
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Jiaxiang Shang
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Ronghai Yu
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
| | - Jianglan Shui
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Beijing 100191, China
- Tianmushan Laboratory, Xixi Octagon City, Yuhang District, Hangzhou 310023, China
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100
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Wu Q, Gao Q, Wang X, Qi Y, Shen L, Tai X, Yang F, He X, Wang Y, Yao Y, Ren Y, Luo Y, Sun S, Zheng D, Liu Q, Alfaifi S, Sun X, Tang B. Boosting electrocatalytic performance via electronic structure regulation for acidic oxygen evolution. iScience 2024; 27:108738. [PMID: 38260173 PMCID: PMC10801216 DOI: 10.1016/j.isci.2023.108738] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024] Open
Abstract
High-purity hydrogen produced by water electrolysis has become a sustainable energy carrier. Due to the corrosive environments and strong oxidizing working conditions, the main challenge faced by acidic water oxidation is the decrease in the activity and stability of anodic electrocatalysts. To address this issue, efficient strategies have been developed to design electrocatalysts toward acidic OER with excellent intrinsic performance. Electronic structure modification achieved through defect engineering, doping, alloying, atomic arrangement, surface reconstruction, and constructing metal-support interactions provides an effective means to boost OER. Based on introducing OER mechanism commonly present in acidic environments, this review comprehensively summarizes the effective strategies for regulating the electronic structure to boost the activity and stability of catalytic materials. Finally, several promising research directions are discussed to inspire the design and synthesis of high-performance acidic OER electrocatalysts.
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Affiliation(s)
- Qian Wu
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Qingping Gao
- Department of Chemical Engineering, Weifang Vocational College, Weifang 262737, Shandong, China
| | - Xingpeng Wang
- Department of Chemical Engineering, Weifang Vocational College, Weifang 262737, Shandong, China
| | - Yuping Qi
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Li Shen
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Xishi Tai
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Fan Yang
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Xun He
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
| | - Yan Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
| | - Yongchao Yao
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
| | - Yuchun Ren
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
| | - Yonglan Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China
| | - Dongdong Zheng
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu 610068, Sichuan, China
| | - Sulaiman Alfaifi
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Xuping Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China
- Laoshan Laboratory, Qingdao 266237, Shandong, China
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