期刊
ADVANCED MATERIALS
卷 34, 期 16, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202108133
关键词
electrocatalysts; high current densities; hydrogen evolution reaction; oxygen evolution reaction; water splitting
类别
资金
- National Science Fund for Distinguished Young Scholars [52125309]
- Guangdong Innovative and Entrepreneurial Research Team Program [2017ZT07C341]
- Bureau of Industry and Information Technology of Shenzhen [201901171523]
- Shenzhen Basic Research Project [JCYJ20200109144620815]
The electrochemical water splitting technology is crucial for achieving global carbon neutrality. High-performance electrocatalysts that can operate at high current densities are essential for the industrial implementation of this technology. Recent advancements in this field have led to the development of various catalysts designed specifically for high current densities (> 200 mA cm(-2)). This article discusses these recent advances and summarizes the key factors that influence the catalytic performance in high current density electrocatalysis, including catalyst dimensionality, surface chemistry, electron transport path, morphology, and catalyst-electrolyte interaction. It highlights the importance of a multiscale design strategy that considers these factors comprehensively for developing high current density electrocatalysts. The article also provides insights into the future directions of this emerging field.
Electrochemical water splitting technology for producing green hydrogen is important for the global mission of carbon neutrality. Electrocatalysts with decent performance at high current densities play a central role in the industrial implementation of this technology. This field has advanced immensely in recent years, as witnessed by many types of catalysts designed and synthesized toward industriallyrelevant current densities (>200 mA cm(-2)). By discussing recent advances in this field, several key aspects are summarized that affect the catalytic performance for high-current-density electrocatalysis, including dimensionality of catalysts, surface chemistry, electron transport path, morphology, and catalyst-electrolyte interplay. The multiscale design strategy that considers these aspects comprehensively for developing high-current-density electrocatalysts are highlighted. The perspectives on the future directions in this emerging field are also put forward.
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