AUTHOR=Wang Peijia , An Jingjing , Ye Zhenyu , Cai Wei , Zheng Xiaohang TITLE=Cu-Based Multicomponent Metallic Compound Materials as Electrocatalyst for Water Splitting JOURNAL=Frontiers in Chemistry VOLUME=Volume 10 - 2022 YEAR=2022 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2022.913874 DOI=10.3389/fchem.2022.913874 ISSN=2296-2646 ABSTRACT=In this study, Cu-based multicomponent metallic compound materials M-Cu (M =Mn, Fe, Co, Ni and Pt ) were studied as electrocatalytic material for water splitting. Different metal materials attached to the copper foam substrate can change the valence states of copper and oxygen, resulting in the change of electronic structure of the materials, thus changing its catalytic activity.