电催化氧气析出非贵金属催化剂的研究进展

Recent progress in non-precious metal catalysts for electrocatalytic oxygen evolution reaction

电催化氧气析出反应是金属-空气电池充电过程和电催化分解水阳极的关键反应,对提高能量储存和转换效率、高效利用可再生清洁能源、缓解能源危机和环境污染具有重要作用。文章首先简要介绍了电催化氧气析出反应基本过程,随后综述了近年来用于电催化氧气析出反应的非贵金属催化剂的研究进展,重点讨论了过渡金属氧化物、过渡金属氢氧化物以及碳材料等非贵金属催化剂的研发情况。对这些催化剂的合成、结构及氧气析出催化性能进行了详细分析,也对这些催化剂的发展方向进行了简单分析。文章最后认为,新合成技术、新催化材料的发展以及氧气析出催化反应机理的阐明对发展高性能电催化氧气析出非贵金属催化剂将会起到极大的推动作用。

The electrocatalytic oxygen evolution reaction is the key reaction in metal-air battery and electrocatalytic water splitting. It plays an important role on improving energy storage and conversion efficiency,which can utilize efficiently renewable clean energies,thus relieving the energy crisis and environmental pollution. In this review,the basic process of the electrocatalytic oxygen evolution reaction was first briefly introduced. Then the recent developments of non-precious metal catalysts for the oxygen evolution reaction were reviewed. These non-precious metal catalysts mainly consist of transition metal oxides,transition metal hydroxides and carbon materials. Their synthesis,the structure and the electrocatalytic properties for the oxygen evolution reaction were analyzed in details,and their developing directions were also analyzed briefly. In the end,it is suggested that the development of new synthesis technology and new catalysis materials,as well as the clarification of the oxygen evolution reaction mechanism will play a great role on developing high-performance non-precious metal catalysts for the oxygen evolution reaction.