文献类型：期刊文献

英文题名：Rational Design of Hydrogen Evolution Reaction Electrocatalysts for Commercial Alkaline Water Electrolysis

作者：Xu, Hao Guan[1];Zhang, Xin Yu[1];Ding, Yeliang[2];Fu, Huai Qin[3];Wang, Rui[2];Mao, Fangxin[1];Liu, Peng Fei[1];Yang, Hua Gui[1]

机构：[1]East China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China;[2]China Gen Nucl New Energy Holdings Co, Beijing 100071, Peoples R China;[3]Griffith Univ, Ctr Catalysis & Clean Energy, Gold Coast Campus, Gold Coast, Qld 4222, Australia

年份：2023

卷号：4

期号：8

外文期刊名：SMALL STRUCTURES

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000955160500001)】；

基金：This work was financially supported by the Key Program of the National Natural Science Foundation of China (22239001), the International (Regional) Cooperation and Exchange Projects of the National Natural Science Foundation of China (51920105003), the Innovation Program of Shanghai Municipal Education Commission (E00014), the Science and Technology Commission of Shanghai Municipality (21DZ1207101, 22ZR1416400, 23YF1408500), the Shanghai Engineering Research Centre of Hierarchical Nanomaterials (18DZ2252400).

语种：英文

外文关键词：alkaline water electrolyzers; high current density; hydrogen evolution reactions; mass transfer; stability

摘要：With the further exploitation of renewable energy sources, electrochemical hydrogen evolution reaction (HER) is considered a key technology to solve environmental problems and achieve global carbon neutrality. Currently, alkaline water electrolyzers (AWEs) have been revitalized as a traditional electrolytic water production industry, yet they face great challenges in achieving new technological breakthroughs due to the catalytic properties of electrode materials. In alkaline media, besides the slow kinetics of oxygen evolution reaction, the sluggish HER needing water dissociation and the mass transfer problems at high current densities are among the major factors limiting the development of alkaline water electrolysis for industrial applications. Therefore, it is of great importance to design HER electrocatalysts with high activity and stability at high current densities (>500 mA cm(-2)) for industrial applications at the "Research and Development level" (R&D level). Herein, a brief overview of the development of AWEs at the industrial scale is presented, and some mainstream recognized catalysis mechanisms for HER in alkaline electrolytes are summarized. Based on the requirements of industrial application and theoretical guidance, the activation strategies of HER electrocatalysts are also summarized. This review will propose new insights into the future development of alkaline water electrolysis.