Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction
Electrocatalytic hydrogen evolution reaction (HER), as a green and sustainable method of hydrogen production, has attracted wide attention in recent years. Designing electrocatalysts with high efficiency, low-cost and stability for HER is becoming increasingly promising and feasible. The emerging mi...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-06-01
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| Series: | Materials Today Catalysis |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949754X25000195 |
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| author | Kai Bao Cong Ma Lingzhi Wang Ruijie Li Wenbin Wang Zongxiao Wu Wei Zhai Jingkun Wu Chengxuan Ke Zhixiang Tao Zhuangzhuang Yin Junlei Qi Qiyuan He |
| author_facet | Kai Bao Cong Ma Lingzhi Wang Ruijie Li Wenbin Wang Zongxiao Wu Wei Zhai Jingkun Wu Chengxuan Ke Zhixiang Tao Zhuangzhuang Yin Junlei Qi Qiyuan He |
| author_sort | Kai Bao |
| collection | DOAJ |
| description | Electrocatalytic hydrogen evolution reaction (HER), as a green and sustainable method of hydrogen production, has attracted wide attention in recent years. Designing electrocatalysts with high efficiency, low-cost and stability for HER is becoming increasingly promising and feasible. The emerging microelectrochemical investigation has proven to be a highly effective tool in uncovering complex catalytic mechanism, particularly in HER of single-entity nanocatalysts. Among the various microelectrochemical methods, ultramicroelectrode (UME) and on-chip electrochemical microcell (OCEM) are mostly widely regarded. Both techniques have been extensively employed to analysis the HER process of single-entity nanomaterials, giving unique perspectives inaccessible to conventional electrochemical methods. This review outlines the principles and compares the similarities and differences among UME, OCEM and conventional electrochemical methods. The applications of UME and OCEM investigation of specific nanocatalyts, especially 2D materials, are comprehensively reviewed. Finally, challenges and outlook of microelectrochemical methods in electrocatalysis and beyond are discussed. |
| format | Article |
| id | doaj-art-c7aa3f6799b64aa6aa5e9c4d8e858aed |
| institution | OA Journals |
| issn | 2949-754X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials Today Catalysis |
| spelling | doaj-art-c7aa3f6799b64aa6aa5e9c4d8e858aed2025-08-20T02:07:31ZengElsevierMaterials Today Catalysis2949-754X2025-06-01910010610.1016/j.mtcata.2025.100106Microelectrochemical investigation of electrocatalytic hydrogen evolution reactionKai Bao0Cong Ma1Lingzhi Wang2Ruijie Li3Wenbin Wang4Zongxiao Wu5Wei Zhai6Jingkun Wu7Chengxuan Ke8Zhixiang Tao9Zhuangzhuang Yin10Junlei Qi11Qiyuan He12Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China; Department of Materials Science and Engineering, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, ChinaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China; Corresponding authors.Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China; Corresponding authors.Electrocatalytic hydrogen evolution reaction (HER), as a green and sustainable method of hydrogen production, has attracted wide attention in recent years. Designing electrocatalysts with high efficiency, low-cost and stability for HER is becoming increasingly promising and feasible. The emerging microelectrochemical investigation has proven to be a highly effective tool in uncovering complex catalytic mechanism, particularly in HER of single-entity nanocatalysts. Among the various microelectrochemical methods, ultramicroelectrode (UME) and on-chip electrochemical microcell (OCEM) are mostly widely regarded. Both techniques have been extensively employed to analysis the HER process of single-entity nanomaterials, giving unique perspectives inaccessible to conventional electrochemical methods. This review outlines the principles and compares the similarities and differences among UME, OCEM and conventional electrochemical methods. The applications of UME and OCEM investigation of specific nanocatalyts, especially 2D materials, are comprehensively reviewed. Finally, challenges and outlook of microelectrochemical methods in electrocatalysis and beyond are discussed.http://www.sciencedirect.com/science/article/pii/S2949754X25000195Hydrogen evolution reactionOn-chip electrochemical microcellUltramicroelectrodeElectrocatalysts |
| spellingShingle | Kai Bao Cong Ma Lingzhi Wang Ruijie Li Wenbin Wang Zongxiao Wu Wei Zhai Jingkun Wu Chengxuan Ke Zhixiang Tao Zhuangzhuang Yin Junlei Qi Qiyuan He Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction Materials Today Catalysis Hydrogen evolution reaction On-chip electrochemical microcell Ultramicroelectrode Electrocatalysts |
| title | Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| title_full | Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| title_fullStr | Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| title_full_unstemmed | Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| title_short | Microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| title_sort | microelectrochemical investigation of electrocatalytic hydrogen evolution reaction |
| topic | Hydrogen evolution reaction On-chip electrochemical microcell Ultramicroelectrode Electrocatalysts |
| url | http://www.sciencedirect.com/science/article/pii/S2949754X25000195 |
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