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Wang A, Yang X, Zhang F, Peng Q, Zhai X, Zhu W. A cobalt porphyrin-bridged covalent triazine polymer-derived electrode for efficient hydrogen production. Dalton Trans 2024. [PMID: 39158059 DOI: 10.1039/d4dt01016g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
Abstract
Pronounced compositional regulation and microstructure evolution have a significant influence on hydrogen electrocatalysis. Herein, for the first time, we demonstrate that N,Co-codoped carbon supported Co5.47N nanoparticles (Co5.47N/N,Co-C-800) derived from a nitrogen-rich porphyrin-bridged covalent triazine polymer (CoTAPPCC) are an effective electrocatalyst for the HER in 1.0 M KOH when compared to CoCo2O4/N,Co-C-900 (pyrolysis at 900 °C) and CoO/N,Co-C-1000 (pyrolysis at 1000 °C). The structural and morphological variations of CoTAPPCC at different heat treatment temperatures were investigated through various spectroscopic techniques. We reveal that electrocatalytic HER activity is temperature- and component-dependent. The overpotentials for Co5.47N/N,Co-C-800 to reach current densities of 10 and 100 mA cm-2 were determined to be 76 and 229 mV, respectively, outperforming many other state-of-the-art HER electrocatalysts. This work also sheds light on the influence of calcination temperature on the electrocatalytic HER of final samples.
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Affiliation(s)
- Aijian Wang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
| | - Xin Yang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
| | - Fengqiang Zhang
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
| | - Qitao Peng
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
| | - Xiaoyu Zhai
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
| | - Weihua Zhu
- School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China.
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Wang Y, Wang R, Duan S. Optimization Methods of Tungsten Oxide-Based Nanostructures as Electrocatalysts for Water Splitting. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13111727. [PMID: 37299630 DOI: 10.3390/nano13111727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023]
Abstract
Electrocatalytic water splitting, as a sustainable, pollution-free and convenient method of hydrogen production, has attracted the attention of researchers. However, due to the high reaction barrier and slow four-electron transfer process, it is necessary to develop and design efficient electrocatalysts to promote electron transfer and improve reaction kinetics. Tungsten oxide-based nanomaterials have received extensive attention due to their great potential in energy-related and environmental catalysis. To maximize the catalytic efficiency of catalysts in practical applications, it is essential to further understand the structure-property relationship of tungsten oxide-based nanomaterials by controlling the surface/interface structure. In this review, recent methods to enhance the catalytic activities of tungsten oxide-based nanomaterials are reviewed, which are classified into four strategies: morphology regulation, phase control, defect engineering, and heterostructure construction. The structure-property relationship of tungsten oxide-based nanomaterials affected by various strategies is discussed with examples. Finally, the development prospects and challenges in tungsten oxide-based nanomaterials are discussed in the conclusion. We believe that this review provides guidance for researchers to develop more promising electrocatalysts for water splitting.
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Affiliation(s)
- Yange Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Rongming Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Sibin Duan
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, State Key Laboratory for Advanced Metals and Materials, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
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Hu Y, Huang Z, Zhang Q, Taylor Isimjan T, Chu Y, Mu Y, Wu B, Huang Z, Yang X, Zeng L. Interfacial engineering of Co 5.47N/Mo 5N 6 nanosheets with rich active sites synergistically accelerates water dissociation kinetics for Pt-like hydrogen evolution. J Colloid Interface Sci 2023; 643:455-464. [PMID: 37088049 DOI: 10.1016/j.jcis.2023.04.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/14/2023] [Accepted: 04/07/2023] [Indexed: 04/25/2023]
Abstract
The development of highly efficient hydrogen evolution electrocatalysts with platinum-like activity requires precise control of active sites through interface engineering strategies. In this study, a heterostructured Co5.47N/Mo5N6 catalyst (CoMoNx) on carbon cloth (CC) was synthesized using a combination of dip-etching and vapor nitridation methods. The rough nanosheet surface of the catalyst with uniformly distributed elements exposes a large active surface area and provides abundant interface sites that serve as additional active sites. The CoMoNx was found to exhibit exceptional hydrogen evolution reaction (HER) activity with a low overpotential of 44 mV at 10 mA cm-2 and exceptional stability of 100 h in 1.0 M KOH. The CoMoNx(-)||RuO2(+) system requires only 1.81 V cell voltage to reach a current density of 200 mA cm-2, surpassing the majority of previously reported electrolyzers. Density functional theory (DFT) calculations reveal that the strong synergy between Co5.47N and Mo5N6 at the interface can significantly reduce the water dissociation energy barrier, thereby improving the kinetics of hydrogen evolution. Furthermore, the rough nanosheet architecture of the CoMoNx catalyst with abundant interstitial spaces and multi-channels enhances charge transport and reaction intermediate transportation, synergistically improving the performance of the HER for water splitting.
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Affiliation(s)
- Yan Hu
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China; Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhiyang Huang
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Qing Zhang
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tayirjan Taylor Isimjan
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Youqi Chu
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yongbiao Mu
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Baoxin Wu
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zebing Huang
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiulin Yang
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China.
| | - Lin Zeng
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
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Xiong T, Yao X, Zhu Z, Xiao R, Hu YW, Huang Y, Zhang S, Balogun MSJT. In Situ Grown Co-Based Interstitial Compounds: Non-3d Metal and Non-Metal Dual Modulation Boosts Alkaline and Acidic Hydrogen Electrocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105331. [PMID: 34913585 DOI: 10.1002/smll.202105331] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/08/2021] [Indexed: 06/14/2023]
Abstract
Interfacial engineering and elemental doping are the two parameters to enhance the catalytic behavior of cobalt nitrides for the alkaline hydrogen evolution reaction (HER). However, simultaneously combining these two parameters to improve the HER catalytic properties of cobalt nitrides in alkaline media is rarely reported and also remains challenging in acidic media. Herein, it is demonstrated that high-valence non-3d metal and non-metal integration can simultaneously achieve Co-based nitride/oxide interstitial compound phase boundaries on stainless steel mesh (denoted Mo-Co5.47 N/N-CoO) for efficient HER in alkaline and acidic media. Density functional theory (DFT) calculations show that the unique structure does not only realize multi-active sites, enhanced water dissociation kinetics, and low hydrogen adsorption free energy in alkaline media, but also enhances the positive charge density of hydrogen ions (H+ ) to effectively allow H+ to receive electrons from the catalysts surface toward promoting the HER in acidic media. As a result, the as-prepared Mo-Co5.47 N/N-CoO demands HER overpotential of -28 mV@10 mA cm-2 in an alkaline medium, and superior to the commercial Pt/C at a current density > 44 mA cm-2 in acidic medium. This work paves a useful strategy to design efficient cobalt-based electrocatalysts for HER and beyond.
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Affiliation(s)
- Tuzhi Xiong
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Xincheng Yao
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Zhixiao Zhu
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Ran Xiao
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Yu-Wen Hu
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yongchao Huang
- Institute of Environmental Research at Greater Bay, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Shanqing Zhang
- Centre for Clean Environment and Energy, Environmental Futures Research Institute and Griffith School of Environment, Gold Coast Campus, Griffith University, Southport, QLD, 4222, Australia
| | - M-Sadeeq Jie Tang Balogun
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
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Zhou X, Zhou X, Liu L, Chen H, Hu X, Qian J, Huang D, Zhang B, Tang J. Self-supported Cu 3P nanowire electrode as an efficient electrocatalyst for the oxygen evolution reaction. RSC Adv 2021; 11:34137-34143. [PMID: 35497269 PMCID: PMC9042363 DOI: 10.1039/d1ra05526g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 10/10/2021] [Indexed: 01/08/2023] Open
Abstract
Hydrogen is an ideal energy carrier due to its abundant reserves and high energy density. Electrolyzing water is one of the carbon free technologies for hydrogen production, which is limited by the sluggish kinetics of the half reaction of the anode – the oxygen evolution reaction (OER). In this study, a self-supported Cu3P nanowire (Cu3P NWs/CF) electrode is prepared by electrodeposition of a Cu(OH)2 nanowire precursor on conductive Cu foam (Cu(OH)2 NWs/CF) with a subsequent phosphating procedure under a N2 atmosphere. When used as an OER working electrode in 1.0 M KOH solution at room temperature, Cu3P NWs/CF exhibits excellent catalytic performance with an overpotential of 327 mV that delivers a current density of 20 mA cm−2. Notably, it can run stably for 22 h at a current density of 20 mA cm−2 without obvious performance degradation. This highly efficient and stable OER catalytic performance is mainly attributed to the unique nanostructure and stable electrode construction. Interestingly, this synthesis strategy has been proved to be feasible to prepare large-area working electrodes (e.g. 40 cm−2) with unique nanowire structure. Therefore, this work has provided a good paradigm for the mass fabrication of self-supporting non-noble metal OER catalysts and effectively promoted the reaction kinetics of the anode of the electrolyzing water reaction. We prepared Cu3P nanowires via a simple two-step method and Cu(OH)2 NWs/CF was converted to Cu3P/NWs after a phosphating process. The prepared Cu3P NWs/CF electrode shows high efficiency and excellent stability to OER in alkaline medium.![]()
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Affiliation(s)
- Xin Zhou
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Xiaoliang Zhou
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Limin Liu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Hanyu Chen
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Xingguo Hu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Jiaqi Qian
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Di Huang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
| | - Bo Zhang
- Hydrogen Energy Division, Dong Fang Boiler Group Co., Ltd. Chengdu 611731 PR China
| | - Junlei Tang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University Chengdu 610500 PR China
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