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Noble‐Metal‐Free Electrocatalysts for Oxygen Evolution
Author(s) -
Lyu Fenglei,
Wang Qingfa,
Choi Sung Mook,
Yin Yadong
Publication year - 2019
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201804201
Subject(s) - oxygen evolution , water splitting , noble metal , materials science , electrochemistry , electrolyte , electrocatalyst , catalysis , inorganic chemistry , metal , nanotechnology , chemical engineering , chemistry , metallurgy , electrode , photocatalysis , biochemistry , engineering
Oxygen evolution reaction (OER) plays a vital role in many energy conversion and storage processes including electrochemical water splitting for the production of hydrogen and carbon dioxide reduction to value‐added chemicals. IrO 2 and RuO 2 , known as the state‐of‐the‐art OER electrocatalysts, are severely limited by the high cost and low earth abundance of these noble metals. Developing noble‐metal‐free OER electrocatalysts with high performance has been in great demand. In this review, recent advances in the design and synthesis of noble‐metal‐free OER electrocatalysts including Ni, Co, Fe, Mn‐based hydroxides/oxyhydroxides, oxides, chalcogenides, nitrides, phosphides, and metal‐free compounds in alkaline, neutral as well as acidic electrolytes are summarized. Perspectives are also provided on the fabrication, evaluation of OER electrocatalysts and correlations between the structures of the electrocatalysts and their OER activities.