电催化剂
阴极保护
电化学
背景(考古学)
阴极
催化作用
纳米技术
控制重构
材料科学
化学
电极
计算机科学
物理化学
生物化学
生物
嵌入式系统
古生物学
作者
Wenbiao Zhang,Yang Yang,Yi Tang,Qingsheng Gao
标识
DOI:10.1016/j.jechem.2022.02.036
摘要
Cathodic electrocatalytic reactions, such as hydrogen evolution and CO2/N2 reduction, are the key processes that store intermittent electricity into stable chemical energy. Although a great progress has been made to boost activity and selectivity via elaborative catalyst design, the structure–property relationships have not been sufficiently understood in the context of surface reconfiguration under working conditions. Recent efforts devoted to tracking dynamic evolution of electrocatalysts using in-situ and/or operando techniques gave new insights into the real structure and working mechanism of active sites, and provided principles to design better catalysts. The achievement of cathodic electrocatalysts in this subject is herein summarized, focusing on the correlations between reconstructed surface and electrocatalytic performance. Briefly, the thermodynamics of reconstruction at cathodes is discussed at first, and then the representative progresses in H2 evolution and CO2/N2 reduction are introduced in sequence to acquire insights into electrochemical processes on in-situ reconfigured surfaces or interfaces. Finally, a perspective is offered to guide future investigations. This review is anticipated to shed some new light on in-depth understanding cathodic electrocatalysis and exploiting prominent electrocatalysts.
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