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题名: Effect of RuO2 center dot xH(2)O in anode on the performance of direct methanol fuel cells
作者: Zhu, Shan1, 2;  Wang, Suli1;  Gao, Yan1, 2;  Jiang, Luhua1;  Sun, Hai1;  Sun, Gongquan1
关键词: Amorphous hydrous RuO2 ;  Dynamic response ;  Quasi-steady state performance ;  Dynamic constant performance ;  Direct methanol fuel cell
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2010-10-01
DOI: 10.1016/j.ijhydene.2010.07.055
卷: 35, 期:20, 页:11254-11260
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: The effect of hydrous RuO2 (RuO2 center dot xH(2)O) in anode on the performance of direct methanol fuel cells (DMFCs) was examined by voltammetry, methanol stripping analysis, electrochemical impedance spectroscopy, polarization measurement and chronopotentiometry. The results showed that, compared with the DMFC with conventional structures, the dynamic response and quasi-steady state performance of the RuO2 center dot xH(2)O-introduced DMFCs were significantly improved. The DMFC with RuO2 center dot xH(2)O layer (ROL) sandwiched between anode catalyst layer and gas diffusion layer exhibited better quasi-steady state performance than those either with ROL sandwiched between anode catalyst layer and electrolyte membrane or with RuO2 center dot xH(2)O uniformly distributed in anode catalyst layer. The maximum power density of the DMFC with this novel structure was 16% higher than the DMFC with the conventional structure. Moreover, the dynamic response of this RuO2 center dot xH(2)O-introduced cell was more stable during 250-hour of operation when compared with that of the conventional cell. Crown Copyright (C) 2010 Published by Elsevier Ltd on behalf of Professor T. Nejat Veziroglu. All rights reserved.
关键词[WOS]: HYDROUS RUTHENIUM OXIDE ;  ELECTROCHEMICAL CAPACITORS ;  POWER APPLICATIONS ;  HYBRID ;  ELECTROCATALYSTS
语种: 英语
WOS记录号: WOS:000284443200049
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141640
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, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Zhu, Shan,Wang, Suli,Gao, Yan,et al. Effect of RuO2 center dot xH(2)O in anode on the performance of direct methanol fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2010,35(20):11254-11260.
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