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Chen P, Yu J, He S, Wang X, Liu S, Yang J. Boosting oxygen reduction durability by embedding Co 9S 8 nanoparticles into Co single atoms anchored porous carbon frameworks. J Colloid Interface Sci 2024; 667:425-432. [PMID: 38640661 DOI: 10.1016/j.jcis.2024.04.108] [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: 04/01/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
Developing an efficient and low-cost oxygen reduction electrocatalyst is essential for the application of aqueous zinc-air batteries (ZABs). Herein, we report a facile adsorption-confined pyrolysis strategy to fabricate the hybrid electrocatalyst (denoted as Co9S8/CoSA-PC) by embedding Co9S8 nanoparticles into Co single atoms (Co-SAs) anchored porous carbon sheets for boosting oxygen reduction reaction (ORR) durability. In this strategy, the Co2+ ions are first absorbed into oxygen-rich porous carbon nanosheets and further form the Co-SAs with the help of thiourea in the following pyrolysis procedure, which is believed to be able to confine the generated Co9S8 nanoparticles into carbon frameworks due to their interface interaction. Benefiting from the synergistic effect of different components, the obtained Co9S8/CoSA-PC electrocatalyst for ORR exhibits outstanding catalytic activity with a half-wave potential of 0.82 V and a distinguished long-term durability with a current retention of 80 % after cycling 80 h under alkaline conditions, which is superior to commercial Pt/C. Moreover, the assembled ZABs with Co9S8/CoSA-PC as cathodic catalyst deliver a high specific capacity of 764 mAh gZn-1 at 10 mA cm-2 and the outstanding peak power density of up to 221.4 mW cm-2. This work provides a novel structure design strategy to prepare transition metal sulfide-based electrocatalysts with superior durability for ORR.
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Affiliation(s)
- Pei Chen
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Jiayi Yu
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Songjie He
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Xiaoting Wang
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Siyu Liu
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Juan Yang
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China.
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Farooq K, Murtaza M, Yang Z, Waseem A, Zhu Y, Xia Y. MXene boosted MOF-derived cobalt sulfide/carbon nanocomposites as efficient bifunctional electrocatalysts for OER and HER. NANOSCALE ADVANCES 2024; 6:3169-3180. [PMID: 38868827 PMCID: PMC11166099 DOI: 10.1039/d4na00290c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 04/25/2024] [Indexed: 06/14/2024]
Abstract
The development of effective bifunctional electrocatalysts that can realize water splitting to produce oxygen and hydrogen through oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is still a great challenge to be addressed. Herein, we report a simple and versatile approach to fabricate bifunctional OER and HER electrocatalysts derived from ZIF67/MXene hybrids via sulfurization of the precursors in hydrogen sulfide gas atmosphere at high temperatures. The as-prepared CoS@C/MXene nanocomposites were characterized using a series of technologies including X-ray diffraction, gas sorption, scanning electronic microscopy, transmission electronic microscopy, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy. The synthesized CoS@C/MXene composites are electrocatalytically active in both HER and OER, and the CSMX-800 composite displayed the highest electrocatalytic performance towards OER and HER among all the produced samples. CSMX-800 exhibited overpotentials of 257 mV at 10 mA cm-2 for OER and 270 mV at 10 mA cm-2 for HER. Moreover, it also possesses small Tafel slope values of 93 mV dec-1 and 103 mV dec-1 for OER and HER, respectively. The enhanced electrocatalytic performance of the MXene-containing composites is due to their high surface area, enhanced conductivity, and faster charge transfer. This work demonstrated that CoS@C/MXene based electrocatalyst has great potential in electrochemical water splitting for hydrogen production, thus reducing carbon emissions and protecting the environment.
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Affiliation(s)
- Komal Farooq
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan
- Department of Engineering, Faculty of Environment, Science and Economy, University of Exeter Exeter EX4 4QF UK
| | - Maida Murtaza
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan
| | - Zhuxian Yang
- Department of Engineering, Faculty of Environment, Science and Economy, University of Exeter Exeter EX4 4QF UK
| | - Amir Waseem
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan
| | - Yanqiu Zhu
- Department of Engineering, Faculty of Environment, Science and Economy, University of Exeter Exeter EX4 4QF UK
| | - Yongde Xia
- Department of Engineering, Faculty of Environment, Science and Economy, University of Exeter Exeter EX4 4QF UK
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Long Y, Zhao J, Dai J, Lu G, Lin M, Li S. Atomically dispersed cobalt activator with nitrogen and sulfur co-coordination for high-efficiency Fenton-like catalysis: Insights into density-dependent activity and mechanisms. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133996. [PMID: 38471377 DOI: 10.1016/j.jhazmat.2024.133996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 03/02/2024] [Accepted: 03/08/2024] [Indexed: 03/14/2024]
Abstract
Atomically dispersed metal activators (ADMAs) have demonstrated unique advantages in environmental remediation, but how to controllably regulate the active site density and electronic structure of ADMAs to further enhance activation efficiency remains challenging. Here, we introduce a sulfur-atom-doping approach that allows the fine-tuning of atomic Co site content and electronic structure, enabling exploration of density-dependent activation performance of ADMAs for peroxymonosulfate (PMS)-based Fenton-like catalysis. Our investigation reveals a direct correlation between activation capacity and single-Co-site density. The optimal SNC@CoSA-0.05 activator with densely populated Co-N3S1 sites (10.1 wt%) displays exceptional efficacy in eliminating Rhodamine B, with specific activity of 31.0 min-1 g-1 L, outperforming most previously published activators. Moreover, SNC@CoSA-0.05 showed a remarkedly reduced metal leaching (47.4 μg L-1) than its nanocluster counterpart (194 μg L-1) at pH 3.2. Experimental and theoretical analyses unveiled that coordinated sulfur actively modulates the electronic structure of the central Co atom, enhancing the adsorption and activation of PMS, thereby improving decontamination efficiency. Mechanistic studies further elucidate the predominant electron-transfer regime involved in oxidizing micropollutants by SNC@CoSA-0.05/PMS, with Co(IV)=O, •OH, and SO4•- being the auxiliary oxidizing species. This study not only offers a method for concurrent adjustment of active site density and electronic structure in ADMAs but also sheds light on the activation mechanisms of atomic metal sites.
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Affiliation(s)
- Yangke Long
- Department of Transportation and Environment, Shenzhen Institute of Information Technology, Shenzhen 518172, China.
| | - Jiakun Zhao
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jian Dai
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Guangzhao Lu
- Department of Transportation and Environment, Shenzhen Institute of Information Technology, Shenzhen 518172, China
| | - Manling Lin
- Department of Transportation and Environment, Shenzhen Institute of Information Technology, Shenzhen 518172, China
| | - Sheng Li
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
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Kawashima K, Márquez RA, Smith LA, Vaidyula RR, Carrasco-Jaim OA, Wang Z, Son YJ, Cao CL, Mullins CB. A Review of Transition Metal Boride, Carbide, Pnictide, and Chalcogenide Water Oxidation Electrocatalysts. Chem Rev 2023. [PMID: 37967475 DOI: 10.1021/acs.chemrev.3c00005] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Transition metal borides, carbides, pnictides, and chalcogenides (X-ides) have emerged as a class of materials for the oxygen evolution reaction (OER). Because of their high earth abundance, electrical conductivity, and OER performance, these electrocatalysts have the potential to enable the practical application of green energy conversion and storage. Under OER potentials, X-ide electrocatalysts demonstrate various degrees of oxidation resistance due to their differences in chemical composition, crystal structure, and morphology. Depending on their resistance to oxidation, these catalysts will fall into one of three post-OER electrocatalyst categories: fully oxidized oxide/(oxy)hydroxide material, partially oxidized core@shell structure, and unoxidized material. In the past ten years (from 2013 to 2022), over 890 peer-reviewed research papers have focused on X-ide OER electrocatalysts. Previous review papers have provided limited conclusions and have omitted the significance of "catalytically active sites/species/phases" in X-ide OER electrocatalysts. In this review, a comprehensive summary of (i) experimental parameters (e.g., substrates, electrocatalyst loading amounts, geometric overpotentials, Tafel slopes, etc.) and (ii) electrochemical stability tests and post-analyses in X-ide OER electrocatalyst publications from 2013 to 2022 is provided. Both mono and polyanion X-ides are discussed and classified with respect to their material transformation during the OER. Special analytical techniques employed to study X-ide reconstruction are also evaluated. Additionally, future challenges and questions yet to be answered are provided in each section. This review aims to provide researchers with a toolkit to approach X-ide OER electrocatalyst research and to showcase necessary avenues for future investigation.
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Affiliation(s)
- Kenta Kawashima
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Raúl A Márquez
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Lettie A Smith
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Rinish Reddy Vaidyula
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Omar A Carrasco-Jaim
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Ziqing Wang
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Yoon Jun Son
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Chi L Cao
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - C Buddie Mullins
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712, United States
- H2@UT, The University of Texas at Austin, Austin, Texas 78712, United States
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Wang H, Pei Y, Wang K, Zuo Y, Wei M, Xiong J, Zhang P, Chen Z, Shang N, Zhong D, Pei P. First-Row Transition Metals for Catalyzing Oxygen Redox. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304863. [PMID: 37469215 DOI: 10.1002/smll.202304863] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/09/2023] [Indexed: 07/21/2023]
Abstract
Rechargeable zinc-air batteries are widely recognized as a highly promising technology for energy conversion and storage, offering a cost-effective and viable alternative to commercial lithium-ion batteries due to their unique advantages. However, the practical application and commercialization of zinc-air batteries are hindered by the sluggish kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Recently, extensive research has focused on the potential of first-row transition metals (Mn, Fe, Co, Ni, and Cu) as promising alternatives to noble metals in bifunctional ORR/OER electrocatalysts, leveraging their high-efficiency electrocatalytic activity and excellent durability. This review provides a comprehensive summary of the recent advancements in the mechanisms of ORR/OER, the performance of bifunctional electrocatalysts, and the preparation strategies employed for electrocatalysts based on first-row transition metals in alkaline media for zinc-air batteries. The paper concludes by proposing several challenges and highlighting emerging research trends for the future development of bifunctional electrocatalysts based on first-row transition metals.
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Affiliation(s)
- Hengwei Wang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Yu Pei
- Department of Chemical and Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Keliang Wang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, China
| | - Yayu Zuo
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Manhui Wei
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Jianyin Xiong
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Pengfei Zhang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Zhuo Chen
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Nuo Shang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Daiyuan Zhong
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Pucheng Pei
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, China
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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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7
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Tang W, Mai J, Liu L, Yu N, Fu L, Chen Y, Liu Y, Wu Y, van Ree T. Recent advances of bifunctional catalysts for zinc air batteries with stability considerations: from selecting materials to reconstruction. NANOSCALE ADVANCES 2023; 5:4368-4401. [PMID: 37638171 PMCID: PMC10448312 DOI: 10.1039/d3na00074e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/18/2023] [Indexed: 08/29/2023]
Abstract
With the growing depletion of traditional fossil energy resources and ongoing enhanced awareness of environmental protection, research on electrochemical energy storage techniques like zinc-air batteries is receiving close attention. A significant amount of work on bifunctional catalysts is devoted to improving OER and ORR reaction performance to pave the way for the commercialization of new batteries. Although most traditional energy storage systems perform very well, their durability in practical applications is receiving less attention, with issues such as carbon corrosion, reconstruction during the OER process, and degradation, which can seriously impact long-term use. To be able to design bifunctional materials in a bottom-up approach, a summary of different kinds of carbon materials and transition metal-based materials will be of assistance in selecting a suitable and highly active catalyst from the extensive existing non-precious materials database. Also, the modulation of current carbon materials, aimed at increasing defects and vacancies in carbon and electron distribution in metal-N-C is introduced to attain improved ORR performance of porous materials with fast mass and air transfer. Finally, the reconstruction of catalysts is introduced. The review concludes with comprehensive recommendations for obtaining high-performance and highly-durable catalysts.
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Affiliation(s)
- Wanqi Tang
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
- College of Chemical Engineering, Nanjing Tech University Nanjing 210009 China
| | - Jiarong Mai
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Lili Liu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Nengfei Yu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Lijun Fu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yuhui Chen
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yankai Liu
- Hunan Bolt Power New Energy Co., Ltd Dianjiangjun Industrial Park, Louxing District Loudi 417000 Hunan China
| | - Yuping Wu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
- Hunan Bolt Power New Energy Co., Ltd Dianjiangjun Industrial Park, Louxing District Loudi 417000 Hunan China
- School of Energy and Environment, Southeast University Nanjing 210096 China
| | - Teunis van Ree
- Department of Chemistry, University of Venda Thohoyandou 0950 South Africa
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Rajagopal K, Kathiresan M, Rajaram A, Natarajan A, Natesan K. Development of robust noble-metal free lanthanum, neodymium doped Li 1.05Ni 0.5Mn 1.5O 4 as a bifunctional electrocatalyst for electrochemical water splitting. RSC Adv 2023; 13:23829-23840. [PMID: 37564255 PMCID: PMC10411391 DOI: 10.1039/d3ra04495e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/29/2023] [Indexed: 08/12/2023] Open
Abstract
Catalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) are at the heart of water oxidation reactions. Despite continuous efforts, the development of OER/HER electrocatalysts with high activity at low cost remains a big challenge. Herein, we report a composite material consisting of Li1.05Ni0.5Mn1.5O4, Li1.05Ni0.5 La0.10Mn1.40O4, and Li1.05Ni0.5 Nd0.10Mn1.40O4 as a bifunctional electrocatalyst for OER and HER applications. Though the catalyst has a modest activity for HER, it exhibits high OER activity thereby making it a better nonprecious electrocatalyst for both OER and HER. The catalytic activity arises from the synergetic effects between LNM-La and LNM-Nd by a facile route that shows excellent and durable bifunctional catalytic activity for OER and HER in the alkaline medium developed. The LNM, LNM-La, and, LNM-Nd displayed current densities of 2.17 V, 1.68 V, and 1.93 V vs. RHE at 10 mA cm-2 respectively. The Tafel slope values obtained for LNM, LNM-La, and LNM-Nd are about 419 mV dec-1, 118 mV dec-1, and 378 mV dec-1 respectively. These results indicate the superior electrocatalytic activity of LNM-La with facile OER kinetics.
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Affiliation(s)
- Kayalvizhi Rajagopal
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology Kattankulathur Tamil Nadu-603203 India +91 9941223928
| | - Murugavel Kathiresan
- Electro Organic & Materials Electrochemistry Division, CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu-630003 India
| | - Arulmozhi Rajaram
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology Kattankulathur Tamil Nadu-603203 India +91 9941223928
| | - Abirami Natarajan
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology Kattankulathur Tamil Nadu-603203 India +91 9941223928
| | - Kumaresan Natesan
- Department of Physics, SSN Research Centre, Sri Sivasubramaniya Nadar College of Engineering Chennai 603110 Tamil Nadu India
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Mokdad S, Boukazoula A, Chauchane K, Saib F, Trari M, Abdi A. Electrocatalytic activity of electrodeposited CoO x thin film on low-carbon unalloyed steel substrate toward electrochemical oxygen evolution reaction (OER). CHEMICKE ZVESTI 2023; 77:1-14. [PMID: 37362793 PMCID: PMC10140726 DOI: 10.1007/s11696-023-02837-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/17/2023] [Indexed: 06/28/2023]
Abstract
In this study, we report elaboration of a thin film of CoOx on a low carbon unalloyed steel substrate by electrochemical route and the study of its electrocatalytic performances with respect to the evolution reaction of oxygen (OER) in NaOH medium. The elaborated deposits were well-characterized using X-ray diffraction. Kinetic and thermodynamic parameters such as exchange current density, Tafel slope, reaction order with respect to OH- ions and apparent activation energy were studied. The CoOx displays satisfactory OER performance in an alkaline medium, with a low overvoltage of 362 mV at 10 mA/cm2 and a Tafel slope of 81 mV/dec at 293 K. The apparent kinetic activation energy (= 29.79 kJ/mol) was similar to those obtained for the reported catalytic electrode materials. The O2 gas obtained on the cobalt oxide electrode was 2.865 mmol/s.cm2, which is 28 times higher than that obtained for the platinum electrode (0.102 mmol/s.cm2). Chronoamperometry demonstrates a better electrochemical stability under a polarization potential of 2 V in 1 M NaOH for nearly 25 h. The low cost, the high OER performance, as well as the good stability of the CoOx electrode make it a promising candidate for the industrial-scale water electrolysis.
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Affiliation(s)
- Sarah Mokdad
- LEC, Ecole Militaire Polytechnique, BP 17, 16046 Bordj El-Bahri, Algiers, Algeria
| | - Amel Boukazoula
- LEC, Ecole Militaire Polytechnique, BP 17, 16046 Bordj El-Bahri, Algiers, Algeria
| | | | - Faouzi Saib
- CRAPC, BP 384, 42004 Bou-Ismail, Tipaza, Algeria
| | - Mohamed Trari
- LSVRE, USTHB, BP 32, 16111 El-Alia, Algiers, Algeria
| | - Abderrezak Abdi
- LEC, Ecole Militaire Polytechnique, BP 17, 16046 Bordj El-Bahri, Algiers, Algeria
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10
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Su H, Jiang J, Song S, An B, Li N, Gao Y, Ge L. Recent progress on design and applications of transition metal chalcogenide-associated electrocatalysts for the overall water splitting. CHINESE JOURNAL OF CATALYSIS 2023. [DOI: 10.1016/s1872-2067(22)64149-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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Vijayarangan M, Mathi S, Gayathri A, Jayabarathi J, Thanikachalam V. Cobalt Doped Sulfonated Polyaniline with High Electrocatalytic Activity and Stability for Oxygen Evolution Reaction. ChemistrySelect 2022. [DOI: 10.1002/slct.202203206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Murugan Vijayarangan
- Department of Chemistry Material Science Lab Annamalai University Annamalai Nagar Tamil Nadu-608 002 India
| | - Selvam Mathi
- Department of Chemistry Material Science Lab Annamalai University Annamalai Nagar Tamil Nadu-608 002 India
| | - Arunagiri Gayathri
- Department of Chemistry Material Science Lab Annamalai University Annamalai Nagar Tamil Nadu-608 002 India
| | - Jayaraman Jayabarathi
- Department of Chemistry Material Science Lab Annamalai University Annamalai Nagar Tamil Nadu-608 002 India
| | - Venugopal Thanikachalam
- Department of Chemistry Material Science Lab Annamalai University Annamalai Nagar Tamil Nadu-608 002 India
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Mathi S, Jayabharathi J. Spinel Iron Oxide Nanoparticles Decorated on Pyridinic‐N and Carbon Surface: A Highly Efficient Inexpensive Electrocatalyst for Oxygen Reduction and Oxygen Evolution Eeactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202203335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Selvam Mathi
- Department of Chemistry Material Science Lab Annamalai University Annamalainagar Tamilnadu 608 002 India
| | - Jayaraman Jayabharathi
- Department of Chemistry Material Science Lab Annamalai University Annamalainagar Tamilnadu 608 002 India
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Wang A, Liang H, Chen F, Tian X, Jing S, Tsiakaras P. Preparation and characterization of novel Niln 2S 4/UiO-66 photocatalysts for the efficient degradation of antibiotics in water. CHEMOSPHERE 2022; 307:135699. [PMID: 35842045 DOI: 10.1016/j.chemosphere.2022.135699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 07/01/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Photocatalysis is considered an economical, environmentally friendly, and effective technology for removing pollutants. The construction of Z-Scheme heterojunctions has been identified as one of the feasible solutions capable of enhancing the photocatalytic activity. Herein, a series of visible light responsive photocatalysts (NiIn2S4/UiO-66 composites) with excellent activity and stability were prepared by using a solvothermal process. It is found that 20 mg L-1 of tetracycline (TC) could be almost completely degraded under visible light irradiation within 1 h, when the mass ratio of NiIn2S4 to UiO-66 is 0.5:1 (NISU-0.5) and the solution pH = 11. In addition, after six cycles, the degradation rate of tetracycline photocatalyzed by NISU-0.5 still reach up to 90%. Ultraviolet photoelectron spectra (UPS), X-ray photoelectron spectra (XPS) and electron spin resonance measurements (ESR) confirm the formation of the Z-Scheme heterostructure between NiIn2S4 and UiO-66. The synergistic effect between built-in electric field, energy band bending and coulomb interactions in interface of Z-Scheme heterojunction is conducive to restrain the recombination of photogenerated electrons and holes, which greatly improve the photocatalytic activity. In conclusion, this study offers a new thought for design and synthesis of Z-Scheme heterojunctions and provides a cost-effective strategy for solving environmental pollution and energy problems in the future.
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Affiliation(s)
- Anhu Wang
- Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou, 221008, China; School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, 221008, China
| | - Huagen Liang
- Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou, 221008, China; School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, 221008, China; Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510640, China.
| | - Fu Chen
- Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou, 221008, China; School of Public Administration, Hohai University, Nanjing, 210098, China.
| | - Xinlong Tian
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Lab of Fine Chemistry, School of Chemical Engineering and Technology, Hainan University, Haikou, 570228, China.
| | - Shengyu Jing
- School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221008, China
| | - Panagiotis Tsiakaras
- Laboratory of Alternative Energy Conversion Systems, Department of Mechanical Engineering, School of Engineering, University of Thessaly, 1 Sekeri Str., Pedion Areos, 38834, Greece.
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14
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Zhang T, Zhao Z, Li T, Diao Q, Lv L, Li Z. A highly efficient electrocatalyst for oxygen reduction reaction: Spinel MnCo2O4 nanoparticles supported on three-dimensional Nitrogen-doped graphene material with interconnected hierarchical porous nanostructure. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Uzunova EL. Cation binding of Li(I), Na(I) and Zn(II) to cobalt and iron sulphide clusters - electronic structure study. Phys Chem Chem Phys 2022; 24:20228-20238. [PMID: 35983907 DOI: 10.1039/d2cp02415b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The binding of alkaline (Li+ and Na+) and zinc (Zn2+) cations to mononuclear disulphides MS2 and to persulphides, containing an S-S bond, M(S2), to binuclear disulphides M2S2 and persulphides M2(S2) and to cubic tetranuclear sulphides M4S4 where M = Fe, Co, is examined by density functional theory with the B3LYP functional, and dispersion corrections were applied. For the small-sized clusters (up to two transition metal centres), the energy gaps between different configurations were verified by CCSD(T) calculations. Persulphides M(S2) are more stable than disulphides MS2 as bare clusters, upon carbonyl and chloride ligand coordination and upon cation binding (Li+, Na+, Zn2+). The one-electron reduction of alkali cations and two-electron reduction of Zn2+ reverses order of stability and the planar disulphides (MS2-reduced cation) become more stable; the energy gap disulphide to persulphide increases. In all reduced clusters, zinc ions form bonds with sulphur and with the transition metal centre (Co or Fe). Lithium cations also form bonds to cobalt or iron, but only in the M2S2 clusters, upon reduction. Energy barriers were calculated for the disulphide to persulphide reaction in the Zn-Co-S2 system in the isolated clusters (gas-phase), in water, acetonitrile and 1-Cl-hexane solution. Most significant decrease in the energy barriers were obtained with less-polar solvents, acetonitrile, and particularly, 1-Cl-hexane. In M4S4 clusters, the cations do not reach optimal coordination to the sulphur centres. The global minima of M2S2 clusters are antiferromagnetic; in the reduced Zn-M2S2 clusters, magnetic moment is induced at zinc centres as a result of charge transfer between Zn and Co or Zn and Fe.
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Affiliation(s)
- Ellie L Uzunova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. G.Bonchev Str., block 11, Sofia 1113, Bulgaria.
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16
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Effect of Fe doping on Co-S/carbon cloth as bifunctional electrocatalyst for enhanced water splitting. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Zhang J, Cui B, Jiang S, Liu H, Dou M. Construction of three-dimensional cobalt sulfide/multi-heteroatom co-doped porous carbon as an efficient trifunctional electrocatalyst. NANOSCALE 2022; 14:9849-9859. [PMID: 35772340 DOI: 10.1039/d2nr01704k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Exploring cost-effective non-precious metal electrocatalysts is vital for the large-scale application of clean energy conversion devices (i.e., fuel cells, metal-air batteries and water electrolysers). Herein, we present the construction of a three-dimensional cobalt sulfide/multi-heteroatom co-doped carbon composite as a trifunctional electrocatalyst for the oxygen reduction reaction (ORR), oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) through one-step sulfidation of zeolitic-imidazolate frameworks (ZIFs) using sulfur powder as a sulfur source. By virtue of the distinct periodic metal-nitrogen coordination structure and the abundant micropores within the ZIF precursor, sub-10 nm Co9S8 nanoparticles (NPs) are homogenously anchored on a Co, S and N multi-heteroatom co-doped carbon framework with a large specific surface area that exposes sufficient reactive sites for these electrocatalytic reactions. The optimized Co9S8/CoNSC exhibits outstanding ORR, OER and HER performance, comparable or even superior to those of commercial Pt/C and RuO2. The small Co9S8 NPs and Co-Nx species embedded in the carbon matrix cooperatively catalyze the OER and ORR, while the HER catalysis is mainly contributed by Co9S8 NPs. Furthermore, the Co9S8/CoNSC shows outstanding anti-poisoning capability towards sulfur species during ORR catalysis with no obvious activity degradation observed in 0.1 M KOH containing 50 μM SO32- species, significantly outperforming commercial Pt/C. The assembled rechargeable Zn-air battery using the Co9S8/CoNSC as a cathode shows a high power density (150 mW cm-2) and the assembled water electrolyzer only requires 1.585 V at a current density of 10 mA cm-2 when using this material as an anode and a cathode. This work provides an effective strategy to design and synthesize efficient, durable and anti-poisoning cobalt chalcogenide-based trifunctional electrocatalysts for the large-scale application of clean energy conversion devices.
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Affiliation(s)
- Jiakun Zhang
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing, China.
| | - Bolan Cui
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing, China.
| | - Shang Jiang
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing, China.
| | - Haitao Liu
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing, China.
| | - Meiling Dou
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing, China.
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18
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Ghorui UK, Mondal P, Adhikary B, Mondal A, Sarkar A. Newly designed one‐pot in‐situ synthesis of VS2/rGO nanocomposite to explore its electrochemical behavior towards oxygen electrode reactions. ChemElectroChem 2022. [DOI: 10.1002/celc.202200526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Uday Kumar Ghorui
- IIEST Shibpur: Indian Institute of Engineering Science and Technology Chemistry INDIA
| | - Papri Mondal
- IIEST Shibpur: Indian Institute of Engineering Science and Technology Chemistry INDIA
| | - Bibhutosh Adhikary
- IIEST Shibpur: Indian Institute of Engineering Science and Technology Chemistry INDIA
| | - Anup Mondal
- IIEST Chemistry Botanic Garden 711103 HOWRAH INDIA
| | - Arpita Sarkar
- IIEST Shibpur: Indian Institute of Engineering Science and Technology Chemistry INDIA
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19
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Das C, Sinha N, Roy P. Transition Metal Non-Oxides as Electrocatalysts: Advantages and Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202033. [PMID: 35703063 DOI: 10.1002/smll.202202033] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/13/2022] [Indexed: 06/15/2023]
Abstract
The identification of hydrogen as green fuel in the near future has stirred global realization toward a sustainable outlook and thus boosted extensive research in the field of water electrolysis focusing on the hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR). A huge class of compounds consisting of transition metal-based nitrides, carbides, chalcogenides, phosphides, and borides, which can be collectively termed transition metal non-oxides (TMNOs), has emerged recently as an efficient class of electrocatalysts in terms of performance and longevity when compared to transition metal oxides (TMOs). Moreover, the superiority of TMNOs over TMOs to effectively catalyze not only OERs but also HERs and ORRs renders bifunctionality and even trifunctionality in some cases and therefore can replace conventional noble metal electrocatalysts. In this review, the crystal structure and phases of different classes of nanostructured TMNOs are extensively discussed, focusing on recent advances in design strategies by various regulatory synthetic routes, and hence diversified properties of TMNOs are identified to serve as next-generation bi/trifunctional electrocatalysts. The challenges and future perspectives of materials in the field of energy conversion and storage aiding toward a better hydrogen economy are also discussed in this review.
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Affiliation(s)
- Chandni Das
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nibedita Sinha
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Poulomi Roy
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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20
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Kashinath L, Byrappa K. Ceria Boosting on In Situ Nitrogen-Doped Graphene Oxide for Efficient Bifunctional ORR/OER Activity. Front Chem 2022; 10:889579. [PMID: 35815209 PMCID: PMC9263449 DOI: 10.3389/fchem.2022.889579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/02/2022] [Indexed: 11/21/2022] Open
Abstract
In the present work, a highly efficient and excellent electrocatalyst material for bifunctional oxygen reduction/evolution reaction (ORR/OER) was synthesized using the microwave-assisted hydrothermal method. In brief, ultrafine hexagonal cerium oxide (CeO2) nanoparticles were tailored on the layered surface of in situ nitrogen-doped graphene oxide (NGO) sheets. The nanocomposites exhibited a high anodic onset potential of 0.925 V vs. RHE for ORR activity and 1.2 V for OER activity with a very high current density in 0.5 M KOH. The influence of oxygen cluster on Ce3+/Ce4+ ion decoration on outward/inward in situ nitrogen-coupled GO enhanced the physicochemical properties of composites and in turn increased electron transferability. The microwave-assisted hydrothermal coupling technique provides a higher density, active sites on CeO2@NGO composites, and oxygen deficiency structures in ultrafine Ce-O particles and boosts higher charge transferability in the composites. It is believed that the physical states of Ce-N- C, Ce-C=O, and a higher amount of oxygen participation with ceria increase the density of composites that in turn increases the efficiency. N-doped graphene oxide promotes high current conduction and rapid electron transferability while reducing the external transport resistance in oxygen electrocatalysis by sufficient mass transfer through in-built channels. This study may provide insights into the knowledge of Ce-enabled bifunctional activity to guide the design of a robust catalyst for electrochemical performance.
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Affiliation(s)
- L. Kashinath
- Centre for Materials Science and Technology, University of Mysore, Mysore, India
- Experimental Physics Lab, Division of Materials Science, Department of Engineering Science and Mathematics, Lulea University of Technology, Lulea, Sweden
- *Correspondence: L. Kashinath,
| | - K. Byrappa
- Centre for Materials Science and Technology, University of Mysore, Mysore, India
- Adichunchanagiri University, Mandya, India
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21
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Guo X, Liu S, Wan X, Zhang J, Liu Y, Zheng X, Kong Q, Jin Z. Controllable Solid-Phase Fabrication of an Fe 2O 3/Fe 5C 2/Fe-N-C Electrocatalyst toward Optimizing the Oxygen Reduction Reaction in Zinc-Air Batteries. NANO LETTERS 2022; 22:4879-4887. [PMID: 35640090 DOI: 10.1021/acs.nanolett.2c01318] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Preparing advanced electrocatalysts via solid-phase reactions encounters the challenge of low controllability for multiconstituent hybridization and microstructure modulation. Herein, a hydrothermal-mimicking solid-phase system is established to fabricate novel Fe2O3/Fe5C2/Fe-N-C composites consisting of Fe2O3/Fe5C2 nanoparticles and Fe,N-doped carbon species with varying morphologies. The evolution mechanism featuring a competitive growth of different carbon sources in a closed hypoxic space is elucidated for a series of Fe2O3/Fe5C2/Fe-N-C composites. The size and dispersity of Fe2O3/Fe5C2 nanoparticles, the graphitization degree of the carbonaceous matrix, and their diverse hybridization states lead to disparate electrocatalytic behaviors for the oxygen reduction reaction (ORR). Among them, microspherical Fe2O3/Fe5C2/Fe-N-C-3 exhibits an optimal ORR performance and the as-assembled zinc-air battery shows all-round superiority to the Pt/C counterpart. This work presents a mild solid-phase fabrication technique for obtaining a variety of nanocomposites with effective control over composition hybridization and microstructural modulation, which is significantly important for the design and optimization of advanced electrocatalysts.
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Affiliation(s)
- Xingmei Guo
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
- MOE Key Laboratory of Mesoscopic Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Shanjing Liu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Xiaohan Wan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Junhao Zhang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Yuanjun Liu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Xiangjun Zheng
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Qinghong Kong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Zhong Jin
- MOE Key Laboratory of Mesoscopic Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
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22
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Roy Chowdhury S, Maiyalagan T. CuCo 2S 4@B,N-Doped Reduced Graphene Oxide Hybrid as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions. ACS OMEGA 2022; 7:19183-19192. [PMID: 35721942 PMCID: PMC9202276 DOI: 10.1021/acsomega.2c00183] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/31/2022] [Indexed: 05/28/2023]
Abstract
In this report, a facile synthetic route is adopted for typically designing a hybrid electrocatalyst containing boron, nitrogen dual-doped reduced graphene oxide (B,N-rGO) and thiospinel CuCo2S4 (CuCo2S4@B,N-rGO). The electrocatalytic activity of the hybrid catalyst is tested with respect to oxygen evolution (OER) and oxygen reduction (ORR) reactions in alkali. Physicochemical characterizations confirm the unique formation of a reduced graphene oxide-non-noble-metal sulfide hybrid. Electrochemical evaluation by cyclic voltammetry (CV) and linear-sweep voltammetry (LSV) reveals that the CuCo2S4@B,N-rGO hybrid possesses enhanced ORR and OER activity compared to the B,N-rGO-free CuCo2S4 catalyst. The synthesized CuCo2S4@B,N-rGO hybrid demonstrates remarkable enhancement in catalytic performance with an improved onset potential (1.50 and 0.88 V) and low Tafel slope (112 and 73 mV dec-1) for both OER and ORR processes, respectively. In addition, the catalyst exhibits a diminutive potential difference (0.81 V) between the potential corresponding to the 10 mA cm-2 current density for OER and the half-wave potential for ORR. The superior catalytic activity and high durability of the hybrid material may be attributed to the synergistic effect arising from the metal sulfide and dual-doped reduced graphene oxide. The present study illuminates the possibility of using the dual-doped graphene oxide and metal sulfide hybrid as a competent bifunctional cathode catalyst for renewable energy application.
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Affiliation(s)
- Sreya Roy Chowdhury
- Graduate
School of Energy Science and Technology (GEST), Chungnam National University (CNU), Daejeon 34134, Korea
| | - Thandavarayan Maiyalagan
- Department
of Chemistry, SRM Research Institute, SRM
Institute of Science and Technology,
Kattankulathur, Chennai 603203, India
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23
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Ju JM, Lee CH, Park JH, Lee JH, Lee H, Shin JH, Kwak SY, Lee SU, Kim JH. Structural and Electronic Modulations of Imidazolium Covalent Organic Framework-Derived Electrocatalysts for Oxygen Redox Reactions in Rechargeable Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24404-24414. [PMID: 35584866 DOI: 10.1021/acsami.2c04194] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Covalent organic frameworks (COFs) are promising candidates for the controllable design of electrocatalysts. However, bifunctional electrocatalytic activities for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) remain challenging in COFs. In this study, imidazolium-rich COFs (IMCOFs) with well-defined active sites and characteristic three-dimensional assembly structures were readily prepared, and their electronic structures were tuned by Co incorporation to elicit bifunctional electrocatalytic activities for the ORR and OER. The Co nanoparticle-incorporated spherical IMCOF-derived electrocatalyst (CoNP-s-IMCOF) exhibited lower overpotentials for the ORR and OER compared with the atomic Co-incorporated planar IMCOF-derived electrocatalyst (Co-p-IMCOF). Computational simulations revealed that the imidazole carbon sites of CoNP-s-IMCOF rather than the triazine carbons were the active sites for the ORR and OER, and its p-band center downshifted via charge transfer, facilitating the chemisorption of oxygen intermediates during the reactions. A Zn-air battery with CoNP-s-IMCOF exhibited a small voltage gap of 1.3 V with excellent durability for 935 cycles. This approach for control over the three-dimensional assembly and electronic structures of IMCOFs can be extended to the development of diverse catalytic nanomaterials for applications of interest.
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Affiliation(s)
- Jong-Min Ju
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Chi Ho Lee
- Artie McFerrin Department of Chemical Engineering and Texas A&M Energy Institute, Texas A&M University, College Station, Texas 77843, United States
| | - Jung Hyun Park
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Jun-Hyeong Lee
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Hajin Lee
- Department of Applied Chemistry, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Republic of Korea
| | - Jae-Hoon Shin
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Seon-Yeong Kwak
- Department of Agriculture, Forestry and Bioresources, College of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea
| | - Sang Uck Lee
- Department of Applied Chemistry, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Republic of Korea
| | - Jong-Ho Kim
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
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24
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Xia L, Pan K, Wu H, Wang F, Liu Y, Xu Y, Dong Z, Wei B, Wei S. Few-Layered WS 2 Anchored on Co, N-Doped Carbon Hollow Polyhedron for Oxygen Evolution and Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2022; 14:22030-22040. [PMID: 35466672 DOI: 10.1021/acsami.2c00326] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Tungsten disulfide (WS2) is well known to have great potential as an electrocatalyst, but the practical application is hampered by its intrinsic inert plane and semiconductor properties. In this work, owing to a Co-based zeolite imidazole framework (ZIF-67) that effectively inhibited WS2 growth, few-layered WS2 was confined to the surface of Co, N-doped carbon polyhedron (WS2@Co9S8), with more marginal active sites and higher conductivity, which promoted efficient oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). For the first time, WS2@Co9S8 was prepared by mixing in one pot of a liquid phase and calcination, and WS2 realized uniform distribution on the polyhedron surface by electrostatic adsorption in the liquid phase. The obtained hybrid catalyst exhibited excellent OER and HER catalytic activity, and the OER potential was only 15 mV at 10 mA cm-2 higher than that of noble metal oxide (RuO2). The improvement of catalytic activity can be attributed to the enhanced exposure of sulfur edge sites by WS2, the unique synergistic effect between WS2 and Co9S8 on the metal-organic framework (MOF) surface, and the effective shortening of the diffusion path by the hollow multi-channel structure. Therefore, the robust catalyst (WS2@Co9S8) prepared by a simple and efficient synthesis method in this work will serve as a highly promising bifunctional catalyst for OER and HER.
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Affiliation(s)
- Liangbin Xia
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Kunming Pan
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Haitao Wu
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou City, Jiangsu Province 215009, China
| | - Fang Wang
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
- Henan Province International Joint Laboratory of Materials for Solar Energy Conversion and Lithium Sodium based Battery, Luoyang 471023, China
| | - Yong Liu
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
| | - Yanjie Xu
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Zhili Dong
- School of Materials Science and Engineering, Nanyang Technological University 639798, Singapore
| | - Bicheng Wei
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Shizhong Wei
- National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials, Henan Key Laboratory of High-Temperature Structural and Functional Materials, Henan University of Science and Technology, Luoyang 471000, China
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25
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Amira S, Ferkhi M, khaled A, Pireaux JJ. Electrochemical properties of La2BO4+δ/C electrocatalysts and study of the mechanism of the oxygen reduction reaction in alkaline medium. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022. [DOI: 10.1007/s13738-021-02423-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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26
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CoFeS2@CoS2 Nanocubes Entangled with CNT for Efficient Bifunctional Performance for Oxygen Evolution and Oxygen Reduction Reactions. NANOMATERIALS 2022; 12:nano12060983. [PMID: 35335796 PMCID: PMC8952201 DOI: 10.3390/nano12060983] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 12/30/2022]
Abstract
Exploring bifunctional electrocatalysts to lower the activation energy barriers for sluggish electrochemical reactions for both the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are of great importance in achieving lower energy consumption and higher conversion efficiency for future energy conversion and storage system. Despite the excellent performance of precious metal-based electrocatalysts for OER and ORR, their high cost and scarcity hamper their large-scale industrial application. As alternatives to precious metal-based electrocatalysts, the development of earth-abundant and efficient catalysts with excellent electrocatalytic performance in both the OER and the ORR is urgently required. Herein, we report a core–shell CoFeS2@CoS2 heterostructure entangled with carbon nanotubes as an efficient bifunctional electrocatalyst for both the OER and the ORR. The CoFeS2@CoS2 nanocubes entangled with carbon nanotubes show superior electrochemical performance for both the OER and the ORR: a potential of 1.5 V (vs. RHE) at a current density of 10 mA cm−2 for the OER in alkaline medium and an onset potential of 0.976 V for the ORR. This work suggests a processing methodology for the development of the core–shell heterostructures with enhanced bifunctional performance for both the OER and the ORR.
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Lan M, Xie C, Li B, Yang S, Xiao F, Wang S, Xiao J. Two-Dimensional Cobalt Sulfide/Iron-Nitrogen-Carbon Holey Sheets with Improved Durability for Oxygen Electrocatalysis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11538-11546. [PMID: 35195407 DOI: 10.1021/acsami.2c00067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Transition-metal sulfide as a promising bifunctional oxygen electrocatalyst alternative to scarce platinum-group metals has attracted much attention, but it suffers activity loss over time owing to poor structural/compositional stability during catalysis. Herein, we report a self-template method for preparing a two-dimensional cobalt sulfide holey sheet superstructure with hierarchical porosity followed by the encapsulation of thin iron-nitrogen-carbon as a protective layer. The iron-nitrogen-carbon layer to some degree precludes the phase transition of cobalt sulfide underneath and preserves the structural integrity during catalysis, therefore rendering an exceptional durability in terms of no obvious activity loss after 10,000 cycles of the accelerated durability test. It also noticeably enhances the intrinsic activity of cobalt sulfide and does not influence its exposure into the electrolyte, resulting in showing an extraordinary electrochemical performance in terms of a potential difference of 0.69 V for the overall oxygen redox. A rechargeable zinc-air battery assembled by a cobalt sulfide/iron-nitrogen-carbon air cathode delivers approximately 4.2 times higher power density than that without an iron-nitrogen-carbon layer and stably operates for 300 h with a high voltaic efficiency. This work gives a facile and effective strategy for improving the long-term durability of transition-metal sulfide electrocatalysts.
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Affiliation(s)
- Minqiu Lan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Chuyi Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Bin Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Shengxiong Yang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Fei Xiao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Shuai Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
| | - Junwu Xiao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, P.R. China
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Dong Y, Fang Z, Yang W, Tang B, Liu Q. Integrated Bifunctional Electrodes Based on Amorphous Co-Ni-S Nanoflake Arrays with Atomic Dispersity of Active Sites for Overall Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10277-10287. [PMID: 35166520 DOI: 10.1021/acsami.1c22092] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Fabrication of amorphous electrocatalysts without noble metals for cost-effective full water splitting is highly desired but remains a substantial challenge. In the present work, we report a facile strategy for exploring integrated bifunctional electrocatalysts based on amorphous cobalt/nickel sulfide nanoflake arrays self-supported on carbon cloth, by tailoring competitive coordination of metal ions between glucose and 2-aminoterephthalic acid. Ultrahigh dispersion of binary metal active sites with balanced atomic distribution enables the optimization of catalytic properties for both the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER) in an alkaline solution. The obtained catalyst exhibits remarkably enhanced OER and HER activities as compared with its oxide counterpart and analogues with different Co/Ni ratios. It requires overpotentials of 296 and 192 mV to deliver a current density of 10 mA cm-2 for the OER and HER, respectively; it retains 96.6 and 96.9% activity after 32 h of OER and 36 h of HER tests at 10 mA cm-2, respectively. As directly used an anode and a cathode in an alkaline electrolyzer, a low cell voltage of 1.60 V could endow a water splitting current of 10 mA cm-2, outperforming the benchmark RuO2 and Pt/C-based electrolyzer at 1.72 V@10 mA cm-2. The current synthetic strategy may provide more opportunities for the design and direct synthesis of amorphous catalysts for overall water splitting and beyond.
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Affiliation(s)
- Yaqian Dong
- Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan 030024, P. R. China
- Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Zhi Fang
- Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Weiyou Yang
- Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Bin Tang
- Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Qiao Liu
- Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo 315211, P. R. China
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Gu Y, Wang X, Humayun M, Li L, Sun H, Xu X, Xue X, Habibi-Yangjeh A, Temst K, Wang C. Spin regulation on (Co,Ni)Se2/C@FeOOH hollow nanocage accelerates water oxidation. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63922-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Jin Park B, Lee H, Kim J, Seok Park H. Hierarchical CoSx/graphene/carbon nanotube hybrid architectures for bifunctional electrocatalysts in Zinc-air battery. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.02.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Sun J, Jin J, Yang Y, Wang J, Guo J. Expanding the interlamellar spacing of biomass-derived hybrids with intercalated nanotubes for enhanced oxygen reduction reaction. NEW J CHEM 2022. [DOI: 10.1039/d1nj05907f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient method has been designed for creating mesopores in electrocatalysts using in situ grown CNTs.
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Affiliation(s)
- Junting Sun
- Key Laboratory of Novel Materials for Sensor of Zhejiang Province, Institute of Advanced Magnetic Materials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, People's Republic of China
| | - Jiaxiang Jin
- Key Laboratory of Novel Materials for Sensor of Zhejiang Province, Institute of Advanced Magnetic Materials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, People's Republic of China
| | - Yukan Yang
- Key Laboratory of Novel Materials for Sensor of Zhejiang Province, Institute of Advanced Magnetic Materials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, People's Republic of China
| | - Jing Wang
- Key Laboratory of Novel Materials for Sensor of Zhejiang Province, Institute of Advanced Magnetic Materials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, People's Republic of China
| | - Junjie Guo
- Key Laboratory of Novel Materials for Sensor of Zhejiang Province, Institute of Advanced Magnetic Materials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, People's Republic of China
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Jung H, Choung S, Han JW. Design principles of noble metal-free electrocatalysts for hydrogen production in alkaline media: combining theory and experiment. NANOSCALE ADVANCES 2021; 3:6797-6826. [PMID: 36132358 PMCID: PMC9417748 DOI: 10.1039/d1na00606a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/19/2021] [Indexed: 05/06/2023]
Abstract
Water electrolysis is a promising solution to convert renewable energy sources to hydrogen as a high-energy-density energy carrier. Although alkaline conditions extend the scope of electrocatalysts beyond precious metal-based materials to earth-abundant materials, the sluggish kinetics of cathodic and anodic reactions (hydrogen and oxygen evolution reactions, respectively) impede the development of practical electrocatalysts that do not use precious metals. This review discusses the rational design of efficient electrocatalysts by exploiting the understanding of alkaline hydrogen evolution reaction and oxygen evolution reaction mechanisms and of the electron structure-activity relationship, as achieved by combining experimental and computational approaches. The enhancement of water splitting not only deals with intrinsic catalytic activity but also includes the aspect of electrical conductivity and stability. Future perspectives to increase the synergy between theory and experiment are also proposed.
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Affiliation(s)
- Hyeonjung Jung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
| | - Seokhyun Choung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
| | - Jeong Woo Han
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
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Huang S, Jin Z, Ding Y, Ning P, Chen Q, Fu J, Zhang Q, Zhang J, Xin P, Jiang Y, Hu Z. Encapsulating Fe 2 O 3 Nanotubes into Carbon-Coated Co 9 S 8 Nanocages Derived from a MOFs-Directed Strategy for Efficient Oxygen Evolution Reactions and Li-Ions Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2103178. [PMID: 34655176 DOI: 10.1002/smll.202103178] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/23/2021] [Indexed: 06/13/2023]
Abstract
The development of high-efficiency, robust, and available electrode materials for oxygen evolution reaction (OER) and lithium-ion batteries (LIBs) is critical for clean and sustainable energy system but remains challenging. Herein, a unique yolk-shell structure of Fe2 O3 nanotube@hollow Co9 S8 nanocage@C is rationally prepared. In a prearranged sequence, the fabrication of Fe2 O3 nanotubes is followed by coating of zeolitic imidazolate framework (ZIF-67) layer, chemical etching of ZIF-67 by thioacetamide, and eventual annealing treatment. Benefiting from the hollow structures of Fe2 O3 nanotubes and Co9 S8 nanocages, the conductivity of carbon coating and the synergy effects between different components, the titled sample possesses abundant accessible active sites, favorable electron transfer rate, and exceptional reaction kinetics in the electrocatalysis. As a result, excellent electrocatalytic activity for alkaline OER is achieved, which delivers a low overpotential of 205 mV at the current density of 10 mA cm-2 along with the Tafel slope of 55 mV dec-1 . Moreover, this material exhibits excellent high-rate capability and excellent cycle life when employed as anode material of LIBs. This work provides a novel approach for the design and the construction of multifunctional electrode materials for energy conversion and storage.
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Affiliation(s)
- Shoushuang Huang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Zhiqiang Jin
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Yanwei Ding
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Ping Ning
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Qiaochuan Chen
- School of Computer Engineering and Science, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Jie Fu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Qian Zhang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Jie Zhang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Peijun Xin
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Yong Jiang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Zhangjun Hu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
- Division of Molecular Surface Physics and Nanoscience, Department of Physics, Chemistry and Biology, Linköping University, Linköping, 58183, Sweden
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Bhowmik K, Dutta A, Vyas MK, Ota J, Hait SK, Kagdiyal V, Saxena D, Ramakumar SSV. Resorcinol/Formaldehyde polymer derived carbon protected CoSe
2
nanocubes: A non‐precious, efficient, and durable electrocatalyst for oxygen evolution reaction. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Koushik Bhowmik
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
| | - Anirban Dutta
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
| | - Mukesh Kumar Vyas
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
| | - Jyotiranjan Ota
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
| | - Samik Kumar Hait
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
| | | | - Deepak Saxena
- Research & Development Centre Indian Oil Corporation Limited Faridabad India
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Liu Y, Zhang T, Duan YE, Dai X, Tan Q, Chen Y, Liu Y. N,O-codoped carbon spheres with uniform mesoporous entangled Co 3O 4 nanoparticles as a highly efficient electrocatalyst for oxygen reduction in a Zn-air battery. J Colloid Interface Sci 2021; 604:746-756. [PMID: 34293532 DOI: 10.1016/j.jcis.2021.07.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 11/27/2022]
Abstract
Highly efficient electrochemical catalysts for oxygen reduction reactions (ORRs) are urgently needed for various energy conversion and storage devices to overcome sluggish ORR kinetics. Here, N,O-codoped carbon spheres with uniform mesopores and a high specific surface area were used as supports for decorating Co3O4 nanoparticles via a facile immersion route. In addition to the benefit of ions and gas mass transfer, the abundant mesopores present in the three-dimensional (3D) carbon spheres also confine and isolate the Co3O4 nanoparticles growing in it, which help to provide rich Co3O4 active sites. The resulting hybrid material exhibits superior ORR activity in terms of even-better half-wave potential and stability than that of commercial Pt/C (40 wt%) in 0.1 M KOH electrolyte. To verify its catalytic activity, the hybrid material was employed as the cathode catalyst in a flexible solid-state zinc-air battery, which achieves a high power density of 227 mW cm-2; this power density is much higher than that of a Pt/C catalytic zinc-air battery (133 mW cm-2) under identical conditions. The improvement in catalytic activity in both aqueous and nonaqueous electrolytes can be attributed to the abundant active sites of the entangled Co3O4 nanoparticles, as well as the novel N,O-codoped carbon structure.
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Affiliation(s)
- Yan Liu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Tao Zhang
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Yu E Duan
- School of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China
| | - Xin Dai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Qiang Tan
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Yuanzhen Chen
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Yongning Liu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, PR China.
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Liu Y, McCue AJ, Li D. Metal Phosphides and Sulfides in Heterogeneous Catalysis: Electronic and Geometric Effects. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01718] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yanan Liu
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Alan J. McCue
- Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom
| | - Dianqing Li
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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37
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Zhang L, Chen H, Wei Z. Recent Advances in Nanoparticles Confined in Two‐Dimensional Materials as High‐Performance Electrocatalysts for Energy‐Conversion Technologies. ChemCatChem 2021. [DOI: 10.1002/cctc.202001260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ling Zhang
- The State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization School of Chemistry and Chemical Engineering Chongqing University Chongqing P. R. China
| | - Hongmei Chen
- The State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization School of Chemistry and Chemical Engineering Chongqing University Chongqing P. R. China
| | - Zidong Wei
- The State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization School of Chemistry and Chemical Engineering Chongqing University Chongqing P. R. China
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38
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Lim D, Min K, Hwang M, Ham HC, Kim GJ, Baeck SH. Hollow hierarchical zinc cobalt sulfides derived from bimetallic-organic-framework as a non-precious electrocatalyst for oxygen reduction reaction. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Enhancing the Capacity and Stability by CoFe 2O 4 Modified g-C 3N 4 Composite for Lithium-Oxygen Batteries. NANOMATERIALS 2021; 11:nano11051088. [PMID: 33922335 PMCID: PMC8146125 DOI: 10.3390/nano11051088] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/09/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022]
Abstract
As society progresses, the task of developing new green energy brooks no delay. Li-O2 batteries have high theoretical capacity, but are difficult to put into practical use due to problems such as high overvoltage, low charge-discharge efficiency, poor rate, and cycle performance. The development of high-efficiency catalysts to effectively solve the shortcomings of Li-O2 batteries is of great significance to finding a solution for energy problems. Herein, we design CoFe2O4/g-C3N4 composites, and combine the advantages of the g-C3N4 material with the spinel-type metal oxide material. The flaky structure of g-C3N4 accelerates the transportation of oxygen and lithium ions and inhibits the accumulation of CoFe2O4 particles. The CoFe2O4 materials accelerate the decomposition of Li2O2 and reduce electrode polarization in the charge–discharge reaction. When CoFe2O4/g-C3N4 composites are used as catalysts in Li-O2 batteries, the battery has a better discharge specific capacity of 9550 mA h g−1 (catalyst mass), and the cycle stability of the battery has been improved, which is stable for 85 cycles.
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Zhang X, Jin M, Zhao Y, Bai Z, Wu C, Zhu Z, Wu H, Zhou J, Li J, Pan X, Xie E. Improved lithium-ion battery performance by introducing oxygen-containing functional groups by plasma treatment. NANOTECHNOLOGY 2021; 32:275401. [PMID: 33784657 DOI: 10.1088/1361-6528/abf37d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
Metal sulfides are often used as cathode materials for lithium-ion batteries (LIBs) owing to their high theoretical specific capacity; however, excessively fast capacity decay during charging/discharging and rapid shedding during cycling limits their practical application in batteries. In this study, we proposed a strategy using plasma treatment combined with the solvothermal method to prepare cobalt sulfide (Co1-xS)-carbon nanofibers (CNFs) composite. The plasma treatment could introduce oxygen-containing polar groups and defects, which could improve the hydrophilicity of the CNFs for the growth of the Co1-xS, thereby increasing the specific capacity of the composite electrode. The results show that the composite electrode present a high discharge specific capacity (839 mAh g-1at a current density of 100 mA g-1) and good cycle stability (the capacity retention rate almost 100% at 2000 mA g-1after 500 cycles), attributing to the high conductivity of the CNFs. This study proves the application of plasma treatment and simple vulcanization method in high-performance LIBs.
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Affiliation(s)
- Xudong Zhang
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Mengjing Jin
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Yirong Zhao
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Zhaowen Bai
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Caixia Wu
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ziran Zhu
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Hongchang Wu
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Jinyuan Zhou
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Jian Li
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Xiaojun Pan
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Erqing Xie
- School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People's Republic of China
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41
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Cobalt-based derivatives oxygen evolution reaction. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01782-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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42
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Liu N, Huang L, Rong J, Xue Z, Ou Z, Qiu F, Fang Y. Synthesis, characterization and electrocatalytic properties of bimetallic sulfides CoS/MnS/N-C for oxygen reduction in alkaline media. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s108842462150036x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Synthesis, characterization and oxygen reduction reaction (ORR) catalytic properties of bimetallic sulfides CoS/MnS/N-C catalyst was discussed. The catalyst was derived from a typical Co based zeolitic imidazolate framework (ZIF-67) and manganese aminoporphyrin. 5,15-Bis(4-aminophenyl)-10,20-bis(4-bromophenyl) porphyrin manganese oxoacetate loaded with ZIF-67 forms a porphyrin loaded ZIF-67. This product was then calcined at 800ˆ∘C and vulcanized with thioacetamide to obtain the bimetallic sulfide product CoS/MnS/N-C. The structure of CoS/MnS/N-C was further characterized by XRD, XPS, FESEM and HRTEM spectra which indicated a novel porous and hollow sphere structure. The electrocatalytic properties of the bimetallic material as well as its parent porphyrin and ZIF-67 were also compared in alkaline condition (0.1 M KOH) with a rotating disk electrode. The prepared catalyst CoS/MnS/N-C exhibits a higher catalytic performance than its precursors (PorMnOAc, ZIF-67 and PorMnOAc loaded ZIF-67) with almost four electron transfers under this condition.
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Affiliation(s)
- Ningchao Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Laihai Huang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Jian Rong
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Zhaoli Xue
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Zhongping Ou
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Fengxian Qiu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yuanyuan Fang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
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43
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Ren C, Chen Y, Du L, Wang Q, Li L, Tian G. Hierarchical CuCo
2
S
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Nanoflake Arrays Grown on Carbon Cloth: A Remarkable Bifunctional Electrocatalyst for Overall Water Splitting. ChemElectroChem 2021. [DOI: 10.1002/celc.202100247] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Can Ren
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
| | - Yajie Chen
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
| | - Lizhi Du
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
| | - Qi Wang
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
| | - Longge Li
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
| | - Guohui Tian
- Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongjiang University Harbin Heilongjiang 150080 China
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44
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Fish bone-derived N, S co-doped interconnected carbon nanofibers network coupled with (Fe, Co, Ni)9S8 nanoparticles as efficient bifunctional electrocatalysts for rechargeable and flexible all-solid-state Zn-air battery. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137903] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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45
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Zhang S, Chen M, Zhao X, Cai J, Yan W, Yen JC, Chen S, Yu Y, Zhang J. Advanced Noncarbon Materials as Catalyst Supports and Non-noble Electrocatalysts for Fuel Cells and Metal–Air Batteries. ELECTROCHEM ENERGY R 2021. [DOI: 10.1007/s41918-020-00085-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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46
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Sethulakshmi N, Nellaiappan S, Pentyala P, Sharma M, Irusta S, Deshpande PA, Sharma S. Nanocoral CuCo2S4 thiospinels: Oxygen evolution reaction via redox interaction of metal ions. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137701] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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47
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Development of Co/Co9S8 metallic nanowire anchored on N-doped CNTs through the pyrolysis of melamine for overall water splitting. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137642] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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48
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Mehmood A, Ur‐Rehman Z, Altaf M, Ashraf RS, Sohail M, Isab AA. NiRu0.3Se Nanoparticles In Situ Grown on Reduced Graphene: Synthesis and Electrocatalytic Activity in the Oxygen Evolution Reaction. ChemistrySelect 2021. [DOI: 10.1002/slct.202003711] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Adeel Mehmood
- Department of Chemistry Government College University Lahore 54000 Pakistan
| | - Zia Ur‐Rehman
- Department of Chemistry Government College University Lahore 54000 Pakistan
| | - Muhammad Altaf
- Department of Chemistry Government College University Lahore 54000 Pakistan
| | - Raja Shahid Ashraf
- Department of Chemistry Government College University Lahore 54000 Pakistan
| | - Manzar Sohail
- Department of Chemistry School of Natural Sciences National University of Sciences and Technology Islamabad 44000 Pakistan
| | - Anvarhusein A. Isab
- Chemistry Department King Fahd University of Petroleum and Mineral Dhahran 31261 Saudi Arabia
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49
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Zhao CX, Liu JN, Wang J, Ren D, Li BQ, Zhang Q. Recent advances of noble-metal-free bifunctional oxygen reduction and evolution electrocatalysts. Chem Soc Rev 2021; 50:7745-7778. [DOI: 10.1039/d1cs00135c] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bifunctional oxygen reduction and evolution constitute the core processes for sustainable energy storage. The advances on noble-metal-free bifunctional oxygen electrocatalysts are reviewed.
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Affiliation(s)
- Chang-Xin Zhao
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Jia-Ning Liu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Juan Wang
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Ding Ren
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Bo-Quan Li
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Qiang Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
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50
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Zeng F, Li J, Hofmann JP, Bisswanger T, Stampfer C, Hartmann H, Besmehn A, Palkovits S, Palkovits R. Phosphate-assisted efficient oxygen evolution over finely dispersed cobalt particles supported on graphene. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01399d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Finely dispersed cobalt particles supported on graphene activated by phosphate boosting highly efficient and stable oxygen evolution.
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Affiliation(s)
- Feng Zeng
- Chair of Heterogeneous Catalysis and Chemical Technology
- Institut für Technische und Makromolekulare Chemie
- RWTH Aachen University
- Aachen
- Germany
| | - Jialin Li
- Chair of Heterogeneous Catalysis and Chemical Technology
- Institut für Technische und Makromolekulare Chemie
- RWTH Aachen University
- Aachen
- Germany
| | - Jan P. Hofmann
- Laboratory for Inorganic Materials and Catalysis
- Department of Chemical Engineering and Chemistry
- Eindhoven University of Technology
- Eindhoven
- The Netherlands
| | - Timo Bisswanger
- JARA-FIT and 2nd Institute of Physics A
- RWTH Aachen University
- Aachen
- Germany
| | - Christoph Stampfer
- JARA-FIT and 2nd Institute of Physics A
- RWTH Aachen University
- Aachen
- Germany
| | - Heinrich Hartmann
- Zentralinstitut für Engineering, Elektronik und Analytik ZEA-3
- Forschungszentrum Jülich GmbH
- 52428 Jülich
- Germany
| | - Astrid Besmehn
- Zentralinstitut für Engineering, Elektronik und Analytik ZEA-3
- Forschungszentrum Jülich GmbH
- 52428 Jülich
- Germany
| | - Stefan Palkovits
- Chair of Heterogeneous Catalysis and Chemical Technology
- Institut für Technische und Makromolekulare Chemie
- RWTH Aachen University
- Aachen
- Germany
| | - Regina Palkovits
- Chair of Heterogeneous Catalysis and Chemical Technology
- Institut für Technische und Makromolekulare Chemie
- RWTH Aachen University
- Aachen
- Germany
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