用于酸性水电解析氧反应铱基催化剂的发展趋势分析  

Current trends of iridium-based catalysts for oxygenevolution reaction in acidic water electrolysis

作　　者：焦之飞 万俊 JIAO Zhi-fei;WAN Jun(School of Chemistry and Chemical Engineering,Yan'an University,Yan'an 716000,Shaanxi,China)

机构地区：[1]延安大学化学与化工学院,陕西延安716000

出　　处：《宝鸡文理学院学报(自然科学版)》2024年第4期37-45,59,共10页Journal of Baoji University of Arts and Sciences(Natural Science Edition)

摘　　要：目的概述酸性介质中研究者们解决铱(Ir)基析氧反应(OER)催化剂长时间稳定性问题的最新研究进展,为设计高效稳定的Ir基催化剂提供指导。方法参考国内外Ir基OER催化剂在酸性OER的应用研究进展,对Ir基OER催化剂进行分析总结。结果主要综述了OER机理及Ir类化合物的溶解特性,并介绍了Ir基OER催化剂的发展现状、面临的挑战和前景。结论以可再生电力为动力的质子交换膜水电解(PEMWE)为清洁制氢提供了一种便捷方法,而Ir基化合物材料为酸性介质中最有可能用于PEMWEs的OER催化剂。Purposes—To provide the recent progress on addressing the long-term durability issue of iridium-based catalysts for the oxygen evolution reaction(OER)in acidic conditions,aspiring to inspire the researchers to design highly efficient and stable Ir-based catalysts.Methods—The recent research advancements of Ir-based catalysts in acidic OER were analyzed and summarized.Results—According to the existing research achievements of Ir-based OER catalysts in acidic OER,The detailed OER mechanism along with the dissolution nature of Ir species was discussed and summarizedhe status,challengesand prospects for the development of Ir-based OER catalysts were discussed.Conclusions—The proton exchange membrane water electrolysis(PEMWE)powered by renewable electricity offers a facile route for clean hydrogen production,iridium-based materials are the most promising OER catalysts in acid media for PEMWEs.

关 键 词：析氧反应(OER) 铱基催化剂 质子交换膜水电解 

分 类 号：O646.51[理学—物理化学]