High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis

doi:10.1016/j.electacta.2021.138391

	High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis
	Min, Xiangping 2,3; Shi, Yan 2,3; Lu, Zhuoxin 2,3; Shen, Lisha 2,3; Ogundipe, Taiwo Oladapo 2,3; Gupta, Pralhad 2,3; Wang, Chi 2,3; Guo, Changqing 2,3; Wang, Zhida 2,3; Tan, Hongyi 2,3
刊名	ELECTROCHIMICA ACTA
	2021-07-20
卷号	385 页码:11
关键词	water electrolysis OER support material IrOx cost-effective
ISSN号	0013-4686
DOI	10.1016/j.electacta.2021.138391
通讯作者	Shi, Yan() ; Yan, Changfeng()
英文摘要	A multistep synthesis method is introduced to fabricate high performance IrOx /W-TiO2 catalyst for noble metal reduction in PEM water electrolyzers. The performances of the IrOx/W-TiO2 catalyst for oxygen evolution reaction (OER) are measured in half-cells and single-cells and compared with unsupported IrOx and commercial IrO2. In half-cell tests, IrOx/W-TiO2 displays an improved Ir mass activity compared with the unsupported IrOx, demonstrating a positive effect of the support material. In single-cell tests, the performance of IrOx/W-TiO2 also exceeds both the unsupported and commercial IrO2. The cell voltage reaches 1.602V at 1 A cm(-2) (Nafion 212) with total noble metal loading less than 0.2 mg cm(-2), suggesting that significant Ir reductions are possible by using IrOx/W-TiO2 without sacrificing the cell performance. It also shows improved durability than other unsupported catalysts at reduced Ir loading. In-situ electrochemical test reveals that the performance is associated with the enhanced conductivity of the catalyst layer. (C) 2021 Elsevier Ltd. All rights reserved.
资助项目	DNL Cooperation Fund, CAS[DNL180405] ; Natural Science Foundation of Guangdong Province[2015A030312007] ; Natural Science Foundation of Guangdong Province[2018A050506071] ; Scientific research projects of Guangzhou[202002030349]
WOS关键词	OXYGEN EVOLUTION REACTION ; IRIDIUM OXIDE LOADINGS ; STABILITY ; OXIDATION ; ELECTROCATALYST ; NANOPARTICLES ; ASSEMBLIES ; MICROSCOPY ; EFFICIENT ; FILM
WOS研究方向	Electrochemistry
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000663087000012
资助机构	DNL Cooperation Fund, CAS ; Natural Science Foundation of Guangdong Province ; Scientific research projects of Guangzhou
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/33346]
专题	中国科学院广州能源研究所
通讯作者	Shi, Yan; Yan, Changfeng
作者单位	1.Northeastern Univ, Dept Chem & Chem Biol, Boston, MA 02115 USA 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 3.Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
推荐引用方式 GB/T 7714	Min, Xiangping,Shi, Yan,Lu, Zhuoxin,et al. High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis[J]. ELECTROCHIMICA ACTA,2021,385:11.
APA	Min, Xiangping.,Shi, Yan.,Lu, Zhuoxin.,Shen, Lisha.,Ogundipe, Taiwo Oladapo.,...&Yan, Changfeng.(2021).High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis.ELECTROCHIMICA ACTA,385,11.
MLA	Min, Xiangping,et al."High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis".ELECTROCHIMICA ACTA 385(2021):11.