1
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Cui WG, Gao F, Na G, Wang X, Li Z, Yang Y, Niu Z, Qu Y, Wang D, Pan H. Insights into the pH effect on hydrogen electrocatalysis. Chem Soc Rev 2024. [PMID: 39239864 DOI: 10.1039/d4cs00370e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2024]
Abstract
Hydrogen electrocatalytic reactions, including the hydrogen evolution reaction (HER) and the hydrogen oxidation reaction (HOR), play a crucial role in a wide range of energy conversion and storage technologies. However, the HER and HOR display anomalous non-Nernstian pH dependent kinetics, showing two to three orders of magnitude sluggish kinetics in alkaline media compared to that in acidic media. Fundamental understanding of the origins of the intrinsic pH effect has attracted substantial interest from the electrocatalysis community. More critically, a fundamental molecular level understanding of this effect is still debatable, but is essential for developing active, stable, and affordable fuel cells and water electrolysis technologies. Against this backdrop, in this review, we provide a comprehensive overview of the intrinsic pH effect on hydrogen electrocatalysis, covering the experimental observations, underlying principles, and strategies for catalyst design. We discuss the strengths and shortcomings of various activity descriptors, including hydrogen binding energy (HBE) theory, bifunctional theory, potential of zero free charge (pzfc) theory, 2B theory and other theories, across different electrolytes and catalyst surfaces, and outline their interrelations where possible. Additionally, we highlight the design principles and research progress in improving the alkaline HER/HOR kinetics by catalyst design and electrolyte optimization employing the aforementioned theories. Finally, the remaining controversies about the pH effects on HER/HOR kinetics as well as the challenges and possible research directions in this field are also put forward. This review aims to provide researchers with a comprehensive understanding of the intrinsic pH effect and inspire the development of more cost-effective and durable alkaline water electrolyzers (AWEs) and anion exchange membrane fuel cells (AMFCs) for a sustainable energy future.
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Affiliation(s)
- Wen-Gang Cui
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Fan Gao
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Guoquan Na
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Xingqiang Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Zhenglong Li
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Yaxiong Yang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Zhiqiang Niu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
| | - Yongquan Qu
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China.
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China.
| | - Hongge Pan
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
- School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
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2
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Liu Y, Zhou X, Qiu T, Yao R, Yu F, Song T, Lang X, Jiang Q, Tan H, Li Y, Li Y. Co-Assembly of Polyoxometalates and Porphyrins as Anode for High-Performance Lithium-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2407705. [PMID: 38925587 DOI: 10.1002/adma.202407705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/20/2024] [Indexed: 06/28/2024]
Abstract
Polyoxometalates (POMs) have been considered one of the most promising anode candidates for lithium-ion batteries (LIBs) in virtue of their high theoretical capacity and reversible multielectron redox properties. However, the poor intrinsic electronic conductivity, low specific surface area, and high solubility in organic electrolytes hinder their widespread applications in LIBs. Herein, a novel hybrid nanomaterial is synthesized by co-assembling POMs and porphyrins (PMo12/CoTPyP) through a facile solvothermal method. The POM clusters are stabilized by porphyrin units through electrostatic interactions, which simultaneously realize the uniform dispersion of POMs and porphyrin units. Benefiting from the generated sub-1 nm channels for fast ion transport and the synergistic effect between evenly distributed PMo12 clusters and high-conductive CoTPyP units, the LIB based on the optimized PMo12/CoTPyP anode exhibits significantly improved Li+ storage capability as well as superior rate and cycling performance. The results of density functional theory simulations further reveal that the co-assembly of PMo12 and CoTPyP can accelerate the mobility of Li+ and electrons, which in turn promotes the enhancement of LIBs performance. This work paves a strategy for synthesizing POMs-based anode materials with simultaneously high dispersibility, redox activity, and stability.
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Affiliation(s)
- Yanchun Liu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Xianggang Zhou
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Tianyu Qiu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Ruiqi Yao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Feiyang Yu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Tingting Song
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Xingyou Lang
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education and School of Materials Science and Engineering, Jilin University, Changchun, 130024, China
| | - Qing Jiang
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education and School of Materials Science and Engineering, Jilin University, Changchun, 130024, China
| | - Huaqiao Tan
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Yingqi Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
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3
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Kong J, Wang Z, Liu C, Wang S, Guo Y, Chen H, Wang J, Lü Z. Electrode switch-an efficient induced approach for self-activation of an electrode toward water splitting. Chem Commun (Camb) 2024; 60:7315-7318. [PMID: 38916276 DOI: 10.1039/d4cc01830c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
In this paper, we provide a novel electrode switch (ES) method to improve the stability of the alkaline electrolyzer toward water splitting. The voltage of the alkaline electrolyzer consisting of commercial Ni mesh electrodes utilizing the ES mode exhibits extreme stability because highly active Ni oxide(hydroxide) with oxygen defects is in situ formed during the hydrogen evolution reaction (HER) polarization process.
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Affiliation(s)
- Jin Kong
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
| | - Zhihong Wang
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
| | - Chaoyue Liu
- School of Science, Harbin University of Science and Technology, Heilongjiang 150080, People's Republic of China
| | - Shuo Wang
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
| | - Yingshuang Guo
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
| | - Honglei Chen
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
| | - Jiepeng Wang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, People's Republic of China
- PERIC Hydrogen Technologies Co., Ltd, Handan 056000, People's Republic of China
| | - Zhe Lü
- School of Physics, Harbin Institute of Technology, Yikuang Street 2#, Harbin, Heilongjiang 150001, People's Republic of China.
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4
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Bansal D, Ghahramanzadehasl H, Cardenas-Morcoso D, Desport J, Frache G, Bengasi G, Boscher ND. Directly-Fused Ni(II)Porphyrin Conjugated Polymers with Blocked meso-Positions: Impact on Electrocatalytic Properties. Chemistry 2024; 30:e202400665. [PMID: 38629260 DOI: 10.1002/chem.202400665] [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: 02/19/2024] [Indexed: 06/19/2024]
Abstract
The oxidative coupling reaction of two Ni(II) porphyrins meso-substituted with three and four phenyl groups, Ni(II) 5,10,15-(triphenyl)porphyrin (NiPh3P) and Ni(II) 5,10,15,20-(tetraphenyl)porphyrin (NiPh4P) respectively, was investigated in a oxidative chemical vapor deposition (oCVD) process. Irrespective of the number of meso-substituents, high-resolution mass spectrometry evidences the formation of oligomeric species containing up to five porphyrin units. UV-Vis-NIR and XPS analyses of the oCVD films highlighted a strong dependence of the intermolecular coupling reaction with the substrate temperature. Specifically, higher substrate temperatures yield lowering of valence band maxima and reduction of the band gap. The formation of conjugated polymeric assemblies results in increased conductivities as compared to their sublimed counterparts. Yet, electrocatalytic measurements exhibit water oxidation onset overpotentials (308 mV for pNiPh3P and 343 mV for pNiPh4P) comparatively higher than the onset overpotential measured for the oCVD film from Ni(II) 5,15-(diphenyl)porphyrin (pNiPh2P), i. e. 283 mV. Although DFT and comparative oCVD studies suggest the formation of directly fused porphyrins involving 'phenyl-mediated' and β-β linkages when reacting tetra-meso-substituted porphyrins, the present findings highlight that multiple direct fusion (β-β/meso-meso/β-β or meso-β/β-meso) is essential for Ni(II) porphyrin-based conjugated polymers to enable a dinuclear radical oxo-coupling operating mechanism for water oxidation at low overpotential and durable catalytic activity.
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Affiliation(s)
- Deepak Bansal
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Hadi Ghahramanzadehasl
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Drialys Cardenas-Morcoso
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Jessica Desport
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Gilles Frache
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Giuseppe Bengasi
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
| | - Nicolas D Boscher
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hautes-Fourneaux, Esch-Sur-Alzette, Luxembourg
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5
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Rani S, Nadeem M, Alrahili MR, Shalash M, Bhatti MH, Munawar KS, Tariq M, Asif HM, El-Bahy ZM. Synergistic reductive catalytic effects of an organic and inorganic hybrid covalent organic framework for hydrogen fuel production. Dalton Trans 2024; 53:10875-10889. [PMID: 38874545 DOI: 10.1039/d4dt00788c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Electrocatalytic hydrogen generation in alkaline medium has become widely used in a variety of sectors. However, the possibility for additional performance improvement is hampered by slow kinetics. Because of this restriction, careful control over processes such as water dissociation, hydroxyl desorption and hydrogen recombination is required. Covalent organic frameworks (COFs) based on porphyrin and polyoxometalates (POMs) show encouraging electrocatalytic performance, offering a viable route for effective and sustainable hydrogen generation. Their specific architectures lead to increased electrocatalytic activity, which makes them excellent choices for developing water electrolysis as a clean energy conversion method in the alkaline medium. In this regard, TTris@ZnPor and Lindqvist POM were coordinated to create a new eco-friendly and highly active covalent organic framework (TP@VL-COF). In order to describe TP@VL-COF, extensive structural and morphological investigations were carried out through FTIR, 1H NMR, elemental analysis, SEM, fluorescence, UV-visible, PXRD, CV, N2-adsorption isotherm, TGA and DSC analyses. In an alkaline medium, the electrocatalytic capability of 20%C/Pt, TTris@ZnPor, Lindqvist POM and TP@VL-COF was explored and compared for the hydrogen evolution reaction (HER). The TP@VL-COF showed the best catalytic efficiency for HER in an alkaline electrolyte, requiring just a 75 mV overpotential to drive 10 mA cm-2 and outperforming 20%C/Pt, TTris@ZnPor, Lindqvist POM and other reported catalysts. The Tafel slope value also indicates faster kinetics for TP@VL-COF (114 mV dec-1) than for 20%C/Pt (182 mV dec-1) TTris@ZnPor (116 mV dec-1) and Lindqvist POM (125 mV dec-1).
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Affiliation(s)
- Sonia Rani
- Inorganic Research Laboratory, Institute of Chemical Sciences, Bahauddin Zakariya University Multan, 60800, Pakistan.
| | - Muhammad Nadeem
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
| | - Mazen R Alrahili
- Physics Department, School of Science, Taibah University, Janadah Bin Umayyah Road, 42353, Medina, Saudi Arabia
| | - Marwan Shalash
- Department of Chemistry, College of Sciences and Arts Turaif, Northern Border University, Arar, Saudi Arabia
| | - Moazzam H Bhatti
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
| | - Khurram Shahzad Munawar
- Institute of Chemistry, University of Sargodha, 40100 Punjab, Pakistan
- Department of Chemistry, University of Mianwali, 42200 Punjab, Pakistan
| | - Muhammad Tariq
- Inorganic Research Laboratory, Institute of Chemical Sciences, Bahauddin Zakariya University Multan, 60800, Pakistan.
| | - Hafiz Muhammad Asif
- Inorganic Research Laboratory, Institute of Chemical Sciences, Bahauddin Zakariya University Multan, 60800, Pakistan.
| | - Zeinhom M El-Bahy
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasar City11884, Cairo, Egypt
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6
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Tiwari JN, Kumar K, Safarkhani M, Umer M, Vilian ATE, Beloqui A, Bhaskaran G, Huh YS, Han YK. Materials Containing Single-, Di-, Tri-, and Multi-Metal Atoms Bonded to C, N, S, P, B, and O Species as Advanced Catalysts for Energy, Sensor, and Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2403197. [PMID: 38946671 DOI: 10.1002/advs.202403197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/08/2024] [Indexed: 07/02/2024]
Abstract
Modifying the coordination or local environments of single-, di-, tri-, and multi-metal atom (SMA/DMA/TMA/MMA)-based materials is one of the best strategies for increasing the catalytic activities, selectivity, and long-term durability of these materials. Advanced sheet materials supported by metal atom-based materials have become a critical topic in the fields of renewable energy conversion systems, storage devices, sensors, and biomedicine owing to the maximum atom utilization efficiency, precisely located metal centers, specific electron configurations, unique reactivity, and precise chemical tunability. Several sheet materials offer excellent support for metal atom-based materials and are attractive for applications in energy, sensors, and medical research, such as in oxygen reduction, oxygen production, hydrogen generation, fuel production, selective chemical detection, and enzymatic reactions. The strong metal-metal and metal-carbon with metal-heteroatom (i.e., N, S, P, B, and O) bonds stabilize and optimize the electronic structures of the metal atoms due to strong interfacial interactions, yielding excellent catalytic activities. These materials provide excellent models for understanding the fundamental problems with multistep chemical reactions. This review summarizes the substrate structure-activity relationship of metal atom-based materials with different active sites based on experimental and theoretical data. Additionally, the new synthesis procedures, physicochemical characterizations, and energy and biomedical applications are discussed. Finally, the remaining challenges in developing efficient SMA/DMA/TMA/MMA-based materials are presented.
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Affiliation(s)
- Jitendra N Tiwari
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 100715, Republic of Korea
| | - Krishan Kumar
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, Danostia-San Sebastian, 20018, Spain
| | - Moein Safarkhani
- Department of Biological Sciences and Bioengineering, Nano Bio High-Tech Materials Research Center, Inha University, Incheon, 22212, Republic of Korea
- School of Chemistry, Damghan University, Damghan, 36716-45667, Iran
| | - Muhammad Umer
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick, V94 T9PX, Republic of Ireland
| | - A T Ezhil Vilian
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 100715, Republic of Korea
| | - Ana Beloqui
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, Danostia-San Sebastian, 20018, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, Bilbao, 48009, Spain
| | - Gokul Bhaskaran
- Department of Biological Sciences and Bioengineering, Nano Bio High-Tech Materials Research Center, Inha University, Incheon, 22212, Republic of Korea
| | - Yun Suk Huh
- Department of Biological Sciences and Bioengineering, Nano Bio High-Tech Materials Research Center, Inha University, Incheon, 22212, Republic of Korea
| | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 100715, Republic of Korea
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7
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Cheng R, He X, Li K, Ran B, Zhang X, Qin Y, He G, Li H, Fu C. Rational Design of Organic Electrocatalysts for Hydrogen and Oxygen Electrocatalytic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402184. [PMID: 38458150 DOI: 10.1002/adma.202402184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Indexed: 03/10/2024]
Abstract
Efficient electrocatalysts are pivotal for advancing green energy conversion technologies. Organic electrocatalysts, as cost-effective alternatives to noble-metal benchmarks, have garnered attention. However, the understanding of the relationships between their properties and electrocatalytic activities remains ambiguous. Plenty of research articles regarding low-cost organic electrocatalysts started to gain momentum in 2010 and have been flourishing recently though, a review article for both entry-level and experienced researchers in this field is still lacking. This review underscores the urgent need to elucidate the structure-activity relationship and design suitable electrode structures, leveraging the unique features of organic electrocatalysts like controllability and compatibility for real-world applications. Organic electrocatalysts are classified into four groups: small molecules, oligomers, polymers, and frameworks, with specific structural and physicochemical properties serving as activity indicators. To unlock the full potential of organic electrocatalysts, five strategies are discussed: integrated structures, surface property modulation, membrane technologies, electrolyte affinity regulation, and addition of anticorrosion species, all aimed at enhancing charge efficiency, mass transfer, and long-term stability during electrocatalytic reactions. The review offers a comprehensive overview of the current state of organic electrocatalysts and their practical applications, bridging the understanding gap and paving the way for future developments of more efficient green energy conversion technologies.
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Affiliation(s)
- Ruiqi Cheng
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xiaoqian He
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Kaiqi Li
- Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK
| | - Biao Ran
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xinlong Zhang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Yonghong Qin
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Guanjie He
- Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK
| | - Huanxin Li
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Chaopeng Fu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
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8
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Yang L, Wang M, Shan H, Ma Y, Peng Y, Hu K, Deng C, Yu H, Lv J. Generic heterostructure interfaces bound to Co 9S 8 for efficient overall water splitting supported by photothermal. J Colloid Interface Sci 2024; 662:748-759. [PMID: 38377694 DOI: 10.1016/j.jcis.2024.02.126] [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: 12/18/2023] [Revised: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Abstract
The increase of reaction temperature of electrocatalysts and the construction of heterogeneous structures is regarded as an efficient method to improve the electrocatalytic water splitting activity. Here, we report an approach to enhance the local heat and active sites of the catalyst by building a heterostructure with Co9S8 to significantly improve its electrocatalytic performance. The as-fabricated Co9S8@Ce-NiCo LDH/NF electrode possesses a notable photothermal ability, as it effectively converts near-infrared (NIR) light into the local heat, owing to its significant optical absorption. Leveraging these favorable qualities, the prepared Co9S8@Ce-NiCo LDH/NF electrode showed impressive performance in both hydrogen evolution reaction (HER) (η100 = 144 mV) and oxygen evolution reaction (OER) (η100 = 229 mV) under NIR light. Compared to the absence of the NIR light, the presence of NIR irradiation leads to a 24.6 % increase in catalytic efficiency for HER and a 15.8 % increase for OER. Additionally, other dual-functional electrocatalysts like NiCo-P, NiFeMo, and NiFe(OH)x also demonstrated significantly enhanced photothermal effects and improved catalytic performance owing to the augmented photothermal conversion when combined with Co9S8. This work offers novel pathways for the development of photothermal-electrocatalytic systems that facilitate economically efficient and energy-conserving overall water splitting processes.
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Affiliation(s)
- Lei Yang
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China; Key Laboratory of Materials and Technologies for Advanced Batteries, Hefei University, Hefei 230601, China.
| | - Mengxiang Wang
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China; Key Laboratory of Materials and Technologies for Advanced Batteries, Hefei University, Hefei 230601, China
| | - Hai Shan
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China; Key Laboratory of Materials and Technologies for Advanced Batteries, Hefei University, Hefei 230601, China
| | - Yiming Ma
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China
| | - Yujie Peng
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China
| | - Kunhong Hu
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China
| | - Chonghai Deng
- School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China; Key Laboratory of Materials and Technologies for Advanced Batteries, Hefei University, Hefei 230601, China
| | - Hai Yu
- School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China
| | - Jianguo Lv
- School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China.
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9
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Guo P, Cao S, Huang W, Lu X, Chen W, Zhang Y, Wang Y, Xin X, Zou R, Liu S, Li X. Heterojunction-Induced Rapid Transformation of Ni 3+/Ni 2+ Sites which Mediates Urea Oxidation for Energy-Efficient Hydrogen Production. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311766. [PMID: 38227289 DOI: 10.1002/adma.202311766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/25/2023] [Indexed: 01/17/2024]
Abstract
Water electrolysis is an environmentally-friendly strategy for hydrogen production but suffers from significant energy consumption. Substituting urea oxidation reaction (UOR) with lower theoretical voltage for water oxidation reaction adopting nickel-based electrocatalysts engenders reduced energy consumption for hydrogen production. The main obstacle remains strong interaction between accumulated Ni3+ and *COO in the conventional Ni3+-catalyzing pathway. Herein, a novel Ni3+/Ni2+ mediated pathway for UOR via constructing a heterojunction of nickel metaphosphate and nickel telluride (Ni2P4O12/NiTe), which efficiently lowers the energy barrier of UOR and avoids the accumulation of Ni3+ and excessive adsorption of *COO on the electrocatalysts, is developed. As a result, Ni2P4O12/NiTe demonstrates an exceptionally low potential of 1.313 V to achieve a current density of 10 mA cm-2 toward efficient urea oxidation reaction while simultaneously showcases an overpotential of merely 24 mV at 10 mA cm-2 for hydrogen evolution reaction. Constructing urea electrolysis electrolyzer using Ni2P4O12/NiTe at both sides attains 100 mA cm-2 at a low cell voltage of 1.475 V along with excellent stability over 500 h accompanied with nearly 100% Faradic efficiency.
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Affiliation(s)
- Peng Guo
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Shoufu Cao
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Wenjing Huang
- Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Collaborative Innovation Center of Advanced Energy Materials, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Xiaoqing Lu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, P. R. China
| | - Weizhe Chen
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Youzi Zhang
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Yijin Wang
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Xu Xin
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Ruiqing Zou
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Sibi Liu
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
| | - Xuanhua Li
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Research and Development Institute of Northwestern Polytechnical University, Shenzhen, 518057, P. R. China
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10
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Mohamed SIGP, Namvar S, Zhang T, Shahbazi H, Jiang Z, Rappe AM, Salehi-Khojin A, Nejati S. Vapor-Phase Synthesis of Electrocatalytic Covalent Organic Frameworks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309302. [PMID: 38145558 DOI: 10.1002/adma.202309302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 12/14/2023] [Indexed: 12/27/2023]
Abstract
The inability to process many covalent organic frameworks (COFs) as thin films plagues their widespread utilization. Herein, a vapor-phase pathway for the bottom-up synthesis of a class of porphyrin-based COFs is presented. This approach allows integrating electrocatalysts made of metal-ion-containing COFs into the electrodes' architectures in a single-step synthesis and deposition. By precisely controlling the metal sites at the atomic level, remarkable electrocatalytic performance is achieved, resulting in unprecedentedly high mass activity values. How the choice of metal atoms, i.e., cobalt and copper, can determine the catalytic activities of POR-COFs is demonstrated. The theoretical data proves that the Cu site is highly active for nitrate conversion to ammonia on the synthesized COFs.
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Affiliation(s)
| | - Shahriar Namvar
- Department of Mechanical and Industrial Engineering University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Tan Zhang
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104-6323, USA
| | - Hessam Shahbazi
- Department of Mechanical and Industrial Engineering University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Zhen Jiang
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104-6323, USA
| | - Andrew M Rappe
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104-6323, USA
| | - Amin Salehi-Khojin
- Department of Mechanical and Industrial Engineering University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Siamak Nejati
- Department of Chemical and Biomolecular Engineering, University of Nebraska Lincoln, Lincoln, NE, 68588-8286, USA
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11
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Zhao S, Hung SF, Deng L, Zeng WJ, Xiao T, Li S, Kuo CH, Chen HY, Hu F, Peng S. Constructing regulable supports via non-stoichiometric engineering to stabilize ruthenium nanoparticles for enhanced pH-universal water splitting. Nat Commun 2024; 15:2728. [PMID: 38553434 PMCID: PMC10980754 DOI: 10.1038/s41467-024-46750-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 03/06/2024] [Indexed: 04/02/2024] Open
Abstract
Establishing appropriate metal-support interactions is imperative for acquiring efficient and corrosion-resistant catalysts for water splitting. Herein, the interaction mechanism between Ru nanoparticles and a series of titanium oxides, including TiO, Ti4O7 and TiO2, designed via facile non-stoichiometric engineering is systematically studied. Ti4O7, with the unique band structure, high conductivity and chemical stability, endows with ingenious metal-support interaction through interfacial Ti-O-Ru units, which stabilizes Ru species during OER and triggers hydrogen spillover to accelerate HER kinetics. As expected, Ru/Ti4O7 displays ultralow overpotentials of 8 mV and 150 mV for HER and OER with a long operation of 500 h at 10 mA cm-2 in acidic media, which is expanded in pH-universal environments. Benefitting from the excellent bifunctional performance, the proton exchange membrane and anion exchange membrane electrolyzer assembled with Ru/Ti4O7 achieves superior performance and robust operation. The work paves the way for efficient energy conversion devices.
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Affiliation(s)
- Sheng Zhao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Sung-Fu Hung
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
| | - Liming Deng
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Wen-Jing Zeng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
| | - Tian Xiao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Shaoxiong Li
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Chun-Han Kuo
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Han-Yi Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Feng Hu
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Shengjie Peng
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China.
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12
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Wang A, Yang X, Wang Q, Dou Y, Zhao L, Zhu W, Zhao W, Zhu G. Acenaphthenediimine complex-bridged porphyrin porous organic polymer with enriched active sites as a robust water splitting electrocatalyst. J Colloid Interface Sci 2024; 657:748-756. [PMID: 38071823 DOI: 10.1016/j.jcis.2023.12.004] [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: 10/06/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/02/2024]
Abstract
To realize efficient water splitting, a highly promising hydrogen evolution reaction (HER) electrocatalyst is needed for the generation of hydrogen. Herein, we demonstrate a novel acenaphthenediimine complex-bridged porphyrin porous organic polymer (NiTAPP-NiACQ) with enriched active metal sites and hierarchical pores. The as-prepared NiTAPP-NiACQ exhibits good long-term durability and remarkable HER performance in 1.0 M KOH with a low overpotential of 117 mV at 10 mA cm-2, which is comparable to many previously reported electrocatalytic HER systems. Furthermore, a simple water-alkali electrolyzer using NiTAPP-NiACQ as the cathode requires a small cell voltage of 1.59 V to deliver a current density of 10 mA cm-2 at room temperature, along with outstanding durability. NiTAPP-NiACQ features not only a metal ion as the catalytic active center in the porphyrin core but also metal ion coordination on the anthraquinone component to promote HER performance, enabling multiple metal ions as the electrocatalytic active sites for the HER reaction. The excellent HER activity of NiTAPP-NiACQ is ascribed to a combination of mechanisms. These findings highlight the viability of porphyrin-derived porous organic polymers in energy conversion processes.
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Affiliation(s)
- Aijian Wang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Xin Yang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Qi Wang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yuqin Dou
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Long Zhao
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Weihua Zhu
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Wei Zhao
- School of Energy & Power Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Guisheng Zhu
- Institute of SOPO, Jiangsu SOPO Corporation (Group) LTD, Zhenjiang 212006, PR China
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13
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Li X, Feng A, Zu Y, Liu P. Unraveling Meso-Substituent Steric Effects on the Mechanism of Hydrogen Evolution Reaction in Ni II Porphyrin Hydrides Using DFT Method. Molecules 2024; 29:986. [PMID: 38474498 DOI: 10.3390/molecules29050986] [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: 12/20/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 03/14/2024] Open
Abstract
Substituents at the meso-site of metalloporphyrins profoundly influence the hydrogen evolution reaction (HER) mechanism. This study employs density functional theory (DFT) to computationally analyze NiII-porphyrin and its hydrides derived from tetrakis(pentafluorophenyl)porphyrin molecules, presenting stereoisomers in ortho- or para-positions. The results reveal that the spatial resistance effect of meso-substituted groups at the ortho- and para-positions induces significant changes in Ni-N bond lengths, angles, and reaction dynamics. For ortho-position substituents forming complex I, a favorable 88.88 ų spherical space was created, facilitating proton coordination and the formation of H2 molecules; conversely, para-position substituents forming complex II impeded H2 formation until bimolecular complexes arose. Molecular dynamics (MD) analysis and comparison were conducted on the intermediation products of I-H2 and (II-H)2, focusing on the configuration and energy changes. In the I-H2 products, H2 molecules underwent separation after 150 fs and overcame the 2.2 eV energy barrier. Subsequently, significant alterations in the spatial structure were observed as complex I deformed. In the case of (II-H)2, it was influenced by the distinctive "sandwich" configuration; the spatial structure necessitated overcoming a 6.7 eV energy barrier for H2 detachment and a process observed after 2400 fs.
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Affiliation(s)
- Xiaodong Li
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
| | - Ailing Feng
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
| | - Yanqing Zu
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
| | - Peitao Liu
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
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14
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Li Y, Wu L, Wang K, Zhou B, Li Q, Li Z, Yan B, Gong C, Wang Q, Jia J, Shen HM, Deng S, Zhang W, She Y. Nitrogen-Rich Conjugated Microporous Polymers with Improved Cobalt(II) Density for Highly Efficient Electrocatalytic Oxygen Evolution. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8903-8912. [PMID: 38324390 DOI: 10.1021/acsami.3c18620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Developing efficient oxygen evolution catalysts (OECs) made from earth-abundant elements is extremely important since the oxygen evolution reaction (OER) with sluggish kinetics hinders the development of many energy-related electrochemical devices. Herein, an efficient strategy is developed to prepare conjugated microporous polymers (CMPs) with abundant and uniform coordination sites by coupling the N-rich organic monomer 2,4,6-tris(5-bromopyrimidin-2-yl)-1,3,5-triazine (TBPT) with Co(II) porphyrin. The resulting CMP-Py(Co) is further metallized with Co2+ ions to obtain CMP-Py(Co)@Co. Structural characterization results reveal that CMP-Py(Co)@Co has higher Co2+ content (12.20 wt %) and affinity toward water compared with CMP-Py(Co). Moreover, CMP-Py(Co)@Co exhibits an excellent OER activity with a low overpotential of 285 mV vs RHE at 10 mA cm-2 and a Tafel slope of 80.1 mV dec-1, which are significantly lower than those of CMP-Py(Co) (335 mV vs RHE and 96.8 mV dec-1). More interestingly, CMP-Py(Co)@Co outperforms most reported porous organic polymer-based OECs and the benchmark RuO2 catalyst (320 mV vs RHE and 87.6 mV dec-1). Additionally, Co2+-free CMP-Py(2H) has negligible OER activity. Thereby, the enhanced OER activity of CMP-Py(Co)@Co is attributed to the incorporation of Co2+ ions leading to rich active sites and enlarged electrochemical surface areas. Density functional theory (DFT) calculations reveal that Co2+-TBPT sites have higher activity than Co2+-porphyrin sites for the OER. These results indicate that the introduction of rich active metal sites in stable and conductive CMPs could provide novel guidance for designing efficient OECs.
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Affiliation(s)
- Yanzhe Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Liang Wu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Keke Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bolin Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qiang Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhengrun Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bin Yan
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Chengtao Gong
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qin Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jianhong Jia
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hai-Min Shen
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shengwei Deng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wang Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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15
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Cui X, Wu M, Liu X, He B, Zhu Y, Jiang Y, Yang Y. Engineering organic polymers as emerging sustainable materials for powerful electrocatalysts. Chem Soc Rev 2024; 53:1447-1494. [PMID: 38164808 DOI: 10.1039/d3cs00727h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Cost-effective and high-efficiency catalysts play a central role in various sustainable electrochemical energy conversion technologies that are being developed to generate clean energy while reducing carbon emissions, such as fuel cells, metal-air batteries, water electrolyzers, and carbon dioxide conversion. In this context, a recent climax in the exploitation of advanced earth-abundant catalysts has been witnessed for diverse electrochemical reactions involved in the above mentioned sustainable pathways. In particular, polymer catalysts have garnered considerable interest and achieved substantial progress very recently, mainly owing to their pyrolysis-free synthesis, highly tunable molecular composition and microarchitecture, readily adjustable electrical conductivity, and high stability. In this review, we present a timely and comprehensive overview of the latest advances in organic polymers as emerging materials for powerful electrocatalysts. First, we present the general principles for the design of polymer catalysts in terms of catalytic activity, electrical conductivity, mass transfer, and stability. Then, the state-of-the-art engineering strategies to tailor the polymer catalysts at both molecular (i.e., heteroatom and metal atom engineering) and macromolecular (i.e., chain, topology, and composition engineering) levels are introduced. Particular attention is paid to the insightful understanding of structure-performance correlations and electrocatalytic mechanisms. The fundamentals behind these critical electrochemical reactions, including the oxygen reduction reaction, hydrogen evolution reaction, CO2 reduction reaction, oxygen evolution reaction, and hydrogen oxidation reaction, as well as breakthroughs in polymer catalysts, are outlined as well. Finally, we further discuss the current challenges and suggest new opportunities for the rational design of advanced polymer catalysts. By presenting the progress, engineering strategies, insightful understandings, challenges, and perspectives, we hope this review can provide valuable guidelines for the future development of polymer catalysts.
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Affiliation(s)
- Xun Cui
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Mingjie Wu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Xueqin Liu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Bing He
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Yunhai Zhu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Yalong Jiang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
| | - Yingkui Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China.
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16
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Liu Z, Zhang X, Mi X, Yang Z, Huang H. Iron-doping-induced formation of Ni-Co-O nanotubes as efficient bifunctional electrodes. Dalton Trans 2024; 53:2018-2028. [PMID: 38179788 DOI: 10.1039/d3dt03291d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
The rational design of earth-abundant and efficient electrocatalysts to replace precious metal-based materials is highly anticipated for overall water splitting. Herein, NiCo2O4 electrocatalysts with different Fe doping amounts (Fex-NCO, x = 1, 2, 3) were synthesized by a low-temperature chemical method. It was interesting to find that the doping of Fe induced the formation of NiCo2O4 nanotube arrays by modulating the Fe content. The Fe3-NCO electrode with a nanotube structure and rich oxygen vacancies exhibited exceptional electrocatalytic activities for the hydrogen evolution reaction (97 mV, 10 mA cm-2) and oxygen evolution reaction (188.4 mV, 10 mA cm-2). DFT calculations revealed that Fe promoted the modulation of the electronic structure, which played a crucial role in optimizing the reaction intermediates and altered the energy level of the d band center, and as a result, enhanced the water dissociation ability. Additionally, a low cell voltage of 1.56 V (10 mA cm-2) was realized for water splitting based on an as-fabricated Fe-doped NiCo2O4 nanotube array bifunctional electrode.
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Affiliation(s)
- Zhaohui Liu
- School of Material Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Xinjiang Zhang
- School of Material Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Xiaona Mi
- School of Material Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Zirun Yang
- School of Material Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Haihua Huang
- School of Material Science and Engineering, Liaocheng University, Shandong 252059, China.
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17
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Chen Y, Shen Y, Dai L, Yao S, An C. Coordination Confined Thermolysis Synthesis of the Ni Single Atom Catalyst on the N-Doped Commercial Carbon for the Production of Syngas. Inorg Chem 2024; 63:2131-2137. [PMID: 38212991 DOI: 10.1021/acs.inorgchem.3c03942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
The electrochemical conversion of CO2 into controllable syngas (CO/H2) over a wide potential range is challenging. The main electrocatalysts are based on the noble metals Au (Ag) or heavy metal Pb. The development of alternative nonprecious catalysts is of paramount importance for practice. In this work, a simple coordination confined thermal pyrolysis method has been developed for the synthesis of Ni single-atom catalyst loaded onto nitrogen-doped commercial carbon. The catalyst is in the form of NiN3-C, which exhibits a high-performance electrocatalytic reduction of CO2 toward producing syngas with Faraday efficiencies of 62.28% of CO and 36.7% of H2. The Gibbs free energies of COOH* and H* on the NiN3-C structure were estimated by using density functional theory (DFT). The formation of COOH* intermediate is the speed-limiting step in the process, with ΔG COOH* being 0.7 eV, while H* is the speed-limiting step in the hydrogen evolution, respectively. This work provides a feasible method for the achievement of nonprecious catalysts for the resourceful use of CO2.
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Affiliation(s)
- Yuping Chen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Institute for New Energy Materials & Low-Carbon Technologies, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Yongli Shen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Institute for New Energy Materials & Low-Carbon Technologies, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Linxiu Dai
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Institute for New Energy Materials & Low-Carbon Technologies, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Shuang Yao
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Institute for New Energy Materials & Low-Carbon Technologies, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Changhua An
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Institute for New Energy Materials & Low-Carbon Technologies, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China
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18
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Li L, Wang Z, She X, Pan L, Xi C, Wang D, Yi J, Yang J. Ni-modified FeOOH integrated electrode by self-source corrosion of nickel foam for high-efficiency electrochemical water oxidation. J Colloid Interface Sci 2023; 652:789-797. [PMID: 37619258 DOI: 10.1016/j.jcis.2023.08.112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/06/2023] [Accepted: 08/18/2023] [Indexed: 08/26/2023]
Abstract
The construction and application of efficient iron oxyhydroxide (FeOOH) is still a challenge in the field of energy conversion. Here, a facile preparation method is developed by directly utilizing commercialized nickel foams (NF) as the nickel source and the supporting framework, as well as the ingenious use of etching effect originating from acidic medium in the process of iron salt hydrolysis. As a result, a Ni-modulated FeOOH integrated electrode (Ni-FeOOH/NF) is obtained. Unexpectedly, the implementation of our scheme effectively activates the catalytic intrinsic activity of FeOOH, successfully transforming the inert NF into an integrated electrode with high oxygen evolution reaction (OER) performance. Specifically, the Ni-FeOOH/NF exhibits the overpotential of 277 mV (@100 mA cm-2) and superior stability for OER. Additionally, the as-prepared Ni-FeOOH/NF electrode could also operate steadily for OER in alkaline adjusted saline water. Our research provides a new idea for the preparation of satisfactory Fe-based metal materials as OER electrocatalysts.
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Affiliation(s)
- Li Li
- Analysis and Testing Center, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhaolong Wang
- School of the Environment and Safety Engineering, Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaojie She
- School of the Environment and Safety Engineering, Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Li Pan
- Analysis and Testing Center, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Chunyan Xi
- Analysis and Testing Center, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Dan Wang
- Analysis and Testing Center, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jianjian Yi
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Juan Yang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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19
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Wu Y, Yu Y, Shen W, Jiang Y, He R, Li M. Anion-induced electronic localization and polarized cobalt clusters for highly efficient water splitting. MATERIALS HORIZONS 2023; 10:5633-5642. [PMID: 37753534 DOI: 10.1039/d3mh01130e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
It is a promising pathway to use anions to regulate electronic structures, reasonably design and construct highly efficient catalysts for water splitting. Herein, a N-regulated Co cluster catalyst confined in carbon nanotubes, N-Co NCNTs, was constructed successfully. Nitrogen anions played a crucial role in optimizing the electronic structures of Co clusters and enhancing localization of electrons, resulting in polarized cobalt clusters. The N-induced electronic localization and the resulting polarized Co clusters are responsible for the improvement of catalytic activity. N-Co NCNTs exhibited ultra-low overpotentials of 178 mV and 92 mV for the OER and HER to achieve 10 mA cm-2 in an alkaline electrolyte, respectively. Its long-term catalytic durability is mainly attributed to the obstacle to the surface oxidation of Co clusters caused by N-regulation. N-Co NCNTs maintained a stable current density for 160 h at 10 mA cm-2. DFT computations confirmed the decisive role played by nitrogen anions in regulating the electronic structure. This work provides a pathway for understanding and designing highly efficient anion-regulated catalysts.
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Affiliation(s)
- Yucheng Wu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Yanli Yu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Wei Shen
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Yimin Jiang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Rongxing He
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Ming Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
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20
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Zheng Y, Mou Y, Wang Y, Wan J, Yao G, Feng C, Sun Y, Dai L, Zhang H, Wang Y. Aluminum-incorporation activates vanadium carbide with electron-rich carbon sites for efficient pH-universal hydrogen evolution reaction. J Colloid Interface Sci 2023; 656:367-375. [PMID: 37995406 DOI: 10.1016/j.jcis.2023.11.106] [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: 09/11/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/25/2023]
Abstract
Vanadium carbide (VC) is the greatest potential hydrogen evolution reaction (HER) catalyst because of its platinum-like property and abundant earth reserves. However, it exhibits insufficient catalytic performance due to the unfavorable interaction of reaction intermediates with catalysts. In this work, using NH4VO3 as the main raw material, the flow ratio of CH4 to Ar was accurately controlled, and a non-transition metal Al-doped into VC (100) nano-flowers with carbon hybrids on nickel foams (Al-VC@C/NF) was prepared for the first time as a high-efficiency HER catalyst by chemical vapor carbonization. The overpotential of Al-VC@C/NF catalysts in 0.5 M H2SO4 and 1 M KOH at a current density of 10 mA cm-2 are only 58 mV and 97 mV, respectively, which are the best HER performance among non-noble metal vanadium carbide based catalysts. Simultaneously, Al-VC@C/NF exhibits small Tafel slope (45 mV dec-1 and 73 mV dec-1) and excellent stability in acidic and alkaline media. Theoretical calculations demonstrate that doped Al atoms can induce electron redistribution on the vanadium carbide surface to form electron-rich carbon sites, which significantly reduces the energy barrier during the HER process. This work provides a new tactic to modulate vanadium-based carbons as efficient HER catalysts through non-transition metal doping.
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Affiliation(s)
- Yanan Zheng
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China.
| | - Yiwei Mou
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China.
| | - Yanwei Wang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China.
| | - Jin Wan
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China.
| | - Guangxu Yao
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Chuanzhen Feng
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Yue Sun
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Longhua Dai
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Huijuan Zhang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China; College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhehaote, 010022, PR China.
| | - Yu Wang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China; College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhehaote, 010022, PR China.
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21
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Ge L, Yang H, Guan J, Ouyang B, Yu Q, Li H, Deng Y. Unveiling the Structural Self-Reconstruction and Identifying the Reactive Center of a V, Fe Co-Doped Cobalt Precatalyst toward Enhanced Overall Water Splitting by Operando Raman Spectroscopy. Inorg Chem 2023; 62:15664-15672. [PMID: 37682056 DOI: 10.1021/acs.inorgchem.3c02451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
The development of efficient and stable bifunctional electrocatalysts based on non-noble metals for water electrolysis is both urgent and challenging. However, unresolved issues remain regarding the challenge of identifying the active phase and gaining a comprehensive understanding of its surface reconstruction and functionality throughout the reaction process. In this study, we have combined doping and heterostructure construction by a one-step electrodeposition and a subsequent activation treatment to synthesize Fe, V co-doped Co3O4/Co(OH)2 and Co/Co(OH)2 heterointerfaces (referred to as A-Co60Fe1.1V). These heterointerfaces, composed of Co/Co(OH)2 and Co3O4/Co(OH)2, are proposed to facilitate charge transfer process during catalysis. X-ray photoelectron spectroscopy (XPS) analysis demonstrates that the introduction of V and Fe dopants increases the valence state of Co centers in Co3O4 and Co(OH)2. Further operando Raman spectroscopy reveals that Co(OH)2 and Co3O4 with the high-valence Co centers remain stable during the hydrogen evolution reaction (HER) process. These high-valence Co centers are believed to promote the crucial water dissociation step and therefore enhance the overall HER catalysis. On the other hand, during the oxygen evolution reaction (OER), Fe, V co-doping leads to an earlier formation of the active CoOOH species, while Fe doping can further help stabilize the more reactive β-CoOOH species instead of the less reactive γ-CoOOH. As a result, the A-Co60Fe1.1V catalyst exhibits significantly improved catalytic activity for both HER and OER that it requires low overpotentials of 51 and 250 mV, respectively, to attain a current density of 10 mA cm-2. Moreover, when utilized as both the cathode and anode in alkaline water electrolysis, the A-Co60Fe1.1V catalyst can operate at a mere 1.54 V voltage while maintaining 10 mA cm-2, surpassing the majority of non-noble metal catalysts. Remarkably, it also exhibits stability for at least 40 h at ∼100 mA cm-2.
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Affiliation(s)
- Lihong Ge
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Hua Yang
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Jiexin Guan
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Bo Ouyang
- Department of Applied Physics and Institution of Energy and Microstructure, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Qing Yu
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Huaming Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Yilin Deng
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
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22
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Jiang L, Gu M, Wang H, Huang X, Gao A, Sun P, Liu X, Zhang X. Synergistically Regulating the Electronic Structure of CoS by Cation and Anion Dual-Doping for Efficient Overall Water Splitting. CHEMSUSCHEM 2023; 16:e202300592. [PMID: 37313584 DOI: 10.1002/cssc.202300592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/11/2023] [Accepted: 06/13/2023] [Indexed: 06/15/2023]
Abstract
Precisely regulating the electronic construction of the reactive center is an essential method to improve the electrocatalysis, but achieving efficient multifunctional characteristics remains a challenge. Herein, CoS sample dual-doped by Cu and F atoms, as bifunctional electrocatalyst, is designed and synthesized for water electrolysis. According to the experimental results, Cu atom doping can perform primary electronic adjustment and obtain bifunctional properties, and then the electronic structure is adjusted for the second time to achieve an optimal state by introducing F atom. Meanwhile, this dual-doping strategy will result in lattice distortion and expose more active sites. As expected, dual-doped Cu-F-CoS show the brilliant electrocatalytic activity, revealing ultralow overpotentials (59 mV for HER, 213 mV for OER) at 10 mA cm-2 in alkaline electrolyte. Besides, it also exhibits distinguished water electrolysis activity with cell voltage as low as 1.52 V at 10 mA cm-2 . Our work can provide an atomic-level perception for adjusting the electronic construction of reactive sites by means of dual-doping engineering and put forward a contributing path for the electrocatalysts with multifunctional designing.
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Affiliation(s)
- Ling Jiang
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Mingzheng Gu
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Hao Wang
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Xiaomin Huang
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - An Gao
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Ping Sun
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Xudong Liu
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Xiaojun Zhang
- Key Laboratory for Functional Molecular Solids of the Education Ministry of China, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
- Anhui Province International Research Center on Advanced Building Materials, Anhui Jianzhu University, Hefei, 230601, China
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23
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Chen Y, Sui T, Lyu C, Wu K, Wu J, Huang M, Hao J, Lau WM, Wan C, Pang D, Zheng J. Constructing abundant interfaces by decorating MoP quantum dots on CoP nanowires to induce electronic structure modulation for enhanced hydrogen evolution reaction. MATERIALS HORIZONS 2023; 10:3761-3772. [PMID: 37404093 DOI: 10.1039/d3mh00644a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
Interface engineering is a method of enhancing catalytic activity while maintaining a material's surface properties. Thus, we explored the interface effect mechanism via a hierarchical structure of MoP/CoP/Cu3P/CF. Remarkably, the heterostructure MoP/CoP/Cu3P/CF demonstrates an outstanding overpotential of 64.6 mV at 10 mA cm-2 with a Tafel slope of 68.2 mV dec-1 in 1 M KOH. DFT calculations indicate that the MoP/CoP interface in the catalyst exhibited the most favorable H* adsorption characteristics (-0.08 eV) compared to the pure phases of CoP (0.55 eV) and MoP (0.22 eV). This result can be attributed to the apparent modulation of electronic structures within the interface domains. Additionally, the CoCH/Cu(OH)2/CF‖MoP/CoP/Cu3P/CF electrolyzer demonstrates excellent overall water splitting performance, achieving 10 mA cm-2 in 1 M KOH solution with a modest voltage of only 1.53 V. This electronic structure adjustment via interface effects provides a new and efficient approach to prepare high-performance hydrogen production catalysts.
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Affiliation(s)
- Yuanyuan Chen
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Tingting Sui
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Chaojie Lyu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Kaili Wu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Jiwen Wu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Meifang Huang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Ju Hao
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Woon-Ming Lau
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
- Shunde Innovation School, University of Science and Technology Beijing, Foshan, 528399, P. R. China
| | - Chubin Wan
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
| | - Dawei Pang
- Beijing Key Laboratory of Solid Microstructure and Properties, Department of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, P. R. China.
| | - Jinlong Zheng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
- Shunde Innovation School, University of Science and Technology Beijing, Foshan, 528399, P. R. China
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24
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Parra RD. Hydrogen-Bond-Driven Peptide Nanotube Formation: A DFT Study. Molecules 2023; 28:6217. [PMID: 37687047 PMCID: PMC10488343 DOI: 10.3390/molecules28176217] [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: 07/28/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
DFT calculations were carried out to examine geometries and binding energies of H-bond-driven peptide nanotubes. A bolaamphiphile molecule, consisting of two N-α amido glycylglycine head groups linked by either one CH2 group or seven CH2 groups, is used as a building block for nanotube self-assembly. In addition to hydrogen bonds between adjacent carboxy or amide groups, nanotube formation is also driven by weak C-H· · ·O hydrogen bonds between a methylene group and the carboxy OH group, and between a methylene group and an amide O=C group. The intratubular O-H· · ·O=C hydrogen bonds account for approximately a third of the binding energies. Binding energies calculated with the wB97XD/DGDZVP method show that the hydrocarbon chains play a stabilizing role in nanotube self-assembly. The shortest nanotube has the length of a single monomer and a diameter than increases with the number of monomers. Lengthening of the tubular structure occurs through intertubular O-H· · ·O=C hydrogen bonds. The average intertubular O-H· · ·O=C hydrogen bond binding energy is estimated to change with the size of the nanotubes, decreasing slightly towards some plateau value near 15 kcal/mol according to the wB97XD/DGDZVP method.
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Affiliation(s)
- Rubén D Parra
- Department of Chemistry and Biochemistry, DePaul University, Chicago, IL 60614, USA
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