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Study of IrxRu1-xO2 oxides as anodic electrocatalysts for solid polymer electrolyte water electrolysis
Cheng, Jinbin1,2; Zhang, Huamin1; Chen, Guobao1,2; Zhang, Yining1,2
KeywordWater Electrolysis Solid Polymer Electrolyte Oxygen Evolution Reaction Irxru1-xo2 Oxides Anodic Electrocatalyst
Source PublicationELECTROCHIMICA ACTA
2009-11-01
DOI10.1016/j.electacta.2009.05.090
Volume54Issue:26Pages:6250-6256
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS Research AreaElectrochemistry
WOS KeywordOXYGEN EVOLUTION ; ACID-MEDIA ; SURFACE ; RUO2 ; CHLORINE ; HYDROGEN ; POWDERS ; IRO2
AbstractElectrocatalysts 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.
Language英语
WOS IDWOS:000270646600018
Citation statistics
Cited Times:125[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141405
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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.
APA Cheng, Jinbin,Zhang, Huamin,Chen, Guobao,&Zhang, Yining.(2009).Study of IrxRu1-xO2 oxides as anodic electrocatalysts for solid polymer electrolyte water electrolysis.ELECTROCHIMICA ACTA,54(26),6250-6256.
MLA Cheng, Jinbin,et al."Study of IrxRu1-xO2 oxides as anodic electrocatalysts for solid polymer electrolyte water electrolysis".ELECTROCHIMICA ACTA 54.26(2009):6250-6256.
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