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题名: Zeolite-templated IrxRu1-xO2 electrocatalysts for oxygen evolution reaction in solid polymer electrolyte water electrolyzers
作者: Li, Guangfu1, 2;  Yu, Hongmei1;  Song, Wei1;  Wang, Xunying1, 2;  Li, Yongkun1, 2;  Shao, Zhigang1;  Yi, Baolian1
关键词: Hydrogenation ;  Iridium-ruthenium oxide ;  Oxygen evolution reaction ;  Solid polymer electrolyte water electrolysis ;  Template synthesis
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2012-11-01
DOI: 10.1016/j.ijhydene.2012.08.087
卷: 37, 期:22, 页:16786-16794
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: IrxRu1-xO2(1 >= x >= 0) with nanorod structure were successfully synthesized by employed pre-filling the Ir and/or Ru guest species into the peripheral-pore of NH2-modified as-synthesized SBA-15 and explored as electrocatalyst for oxygen evolution reaction (OER) in water electrolyzers. Various physicochemical parameters for zeolite template and/or IrxRu1-xO2 were obtained by SEM, TEM, XRD, EDX and N-2 gas absorption/desorption measurements. The morphology for prepared IrxRu1-xO2 samples with individual and/or cluster nanorods was changed with the component difference. Cyclic voltammetry, linear sweep voltammetry, electrochemical impedance spectroscopy, steady state polarization curves and stability tests were performed to investigate the catalytic activity and stability of these electrocatalysts for OER. The cell with catalyst RuO2 showed best catalytic performance with the lowest onset potential (1.374 V at 10 mA cm(-2)), which may be ascribed to regular nanoclusters and larger outer active surface area. Meanwhile, the cell stability tests suggested that the addition of IrO2 in IrxRu1-xO2 improved the stability of the RuO2 catalyst. Copyright (c) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: HYDROGEN-PRODUCTION ;  PEM ELECTROLYSIS ;  PERFORMANCE ;  SBA-15 ;  REDUCTION ;  OXIDATION ;  CATALYST ;  ENERGY ;  FILMS
语种: 英语
WOS记录号: WOS:000311188500005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142999
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Li, Guangfu,Yu, Hongmei,Song, Wei,et al. Zeolite-templated IrxRu1-xO2 electrocatalysts for oxygen evolution reaction in solid polymer electrolyte water electrolyzers[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(22):16786-16794.
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