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High performance and cost-effective supported IrOx catalyst for proton exchange membrane water electrolysis
Min, Xiangping1,2; Shi, Yan1,2; Lu, Zhuoxin1,2; Shen, Lisha1,2; Ogundipe, Taiwo Oladapo1,2; Gupta, Pralhad1,2; Wang, Chi1,2; Guo, Changqing1,2; Wang, Zhida1,2; Tan, Hongyi1,2; Mukerjee, Sanjeevc3; Yan, Changfeng1,2
2021-07-20
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号385页码:11
通讯作者Shi, Yan() ; Yan, Changfeng()
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.
关键词water electrolysis OER support material IrOx cost-effective
DOI10.1016/j.electacta.2021.138391
关键词[WOS]OXYGEN EVOLUTION REACTION ; IRIDIUM OXIDE LOADINGS ; STABILITY ; OXIDATION ; ELECTROCATALYST ; NANOPARTICLES ; ASSEMBLIES ; MICROSCOPY ; EFFICIENT ; FILM
收录类别SCI
语种英语
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研究方向Electrochemistry
项目资助者DNL Cooperation Fund, CAS ; Natural Science Foundation of Guangdong Province ; Scientific research projects of Guangzhou
WOS类目Electrochemistry
WOS记录号WOS:000663087000012
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/33347
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.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Northeastern Univ, Dept Chem & Chem Biol, Boston, MA 02115 USA
第一作者单位中国科学院广州能源研究所
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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.
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