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题名: Study of IrxRu1-xO2 oxides as anodic electrocatalysts for solid polymer electrolyte water electrolysis
作者: Cheng, Jinbin1, 2;  Zhang, Huamin1;  Chen, Guobao1, 2;  Zhang, Yining1, 2
关键词: Water electrolysis ;  Solid polymer electrolyte ;  Oxygen evolution reaction ;  IrxRu1-xO2 oxides ;  Anodic electrocatalyst
刊名: ELECTROCHIMICA ACTA
发表日期: 2009-11-01
DOI: 10.1016/j.electacta.2009.05.090
卷: 54, 期:26, 页:6250-6256
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: Electrocatalysts of the general formula IrxRu1-xO2 were prepared using Adams' fusion method. The crystallite characterization was examined via XRD, and the electrochemical properties were examined via cyclic voltammetry (CV) in, linear sweep voltammetry (LSV) and chronopotentiometry measurements in 0.5 M H2SO4. The electrocatalysts were applied to a membrane electrode assembly (MEA) and studied in situ in an electrolysis cell through electrochemical impedance spectroscopy (EIS) and stationary current density-potential relations were investigated. The IrxRu1-xO2 (x = 0.2, 0.4, 0.6) compounds were found to be more active than pure IrO2 and more stable than pure RuO2. The most active electrocatalyst obtained had a composition of Ir0.2Ru0.8O2. With an Ir0.2Ru0.8O2 anode, a 28.4% Pt/C cathode and the total noble metal loading of 1.7 mg cm(-2), the potential of water electrolysis was 1.622 V at 1 A cm(-2) and 80 degrees C. (C) 2009 Elsevier Ltd. All rights reserved.
关键词[WOS]: OXYGEN EVOLUTION ;  ACID-MEDIA ;  SURFACE ;  RUO2 ;  CHLORINE ;  HYDROGEN ;  POWDERS ;  IRO2
语种: 英语
WOS记录号: WOS:000270646600018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141405
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 PEMFC Key Mat & Technol, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Cheng, Jinbin,Zhang, Huamin,Chen, Guobao,et al. Study of IrxRu1-xO2 oxides as anodic electrocatalysts for solid polymer electrolyte water electrolysis[J]. ELECTROCHIMICA ACTA,2009,54(26):6250-6256.
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