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学科主题: 物理化学
题名: Effect of gas diffusion electrode parameters on anion exchange membrane fuel cell performance
作者: Yang, Donglei1, 2;  Yu, Hongmei1;  Li, Guangfu1;  Song, Wei1;  Liu, Yanxi1;  Shao, Zhigang1
通讯作者: 俞红梅
关键词: Alkaline anion exchange membrane fuel cell ;  Gas diffusion electrode ;  PTFE content ;  Catalyst loading ;  Three phase boundary
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2014-07-01
DOI: 10.1016/S1872-2067(14)60050-4
卷: 35, 期:7, 页:1091-1097
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
资助者: 1,1
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Focused on the optimization of the gas diffusion electrode (GDE) in an alkaline anion exchange membrane fuel cell (AAEMFC), PTFE content and catalyst loading in the catalyst layer (CL) were found to have a substantial effect on the cell performance and electrochemical kinetics. The i-V curves, open circuit voltage, cell resistance, in-situ electrochemical impedance spectroscopy and kinetics analysis have been used to evaluate the electrochemical properties of the fabricated GDEs. The results reveal that the optimum PTFE content in the CL of AAEMFC is 20%. Pt loading ranged from 0.2-1.0 mg/cm(2) was also investigated as a vital parameter for three-phase boundary, CL conductivity and catalyst utilization. Ultimately, the highest peak power density of 213 mW/cm(2) was achieved at 50 degrees C from the prepared GDE with Pt loading of 1.0 mg/cm(2) on Pt/C and 20% PTFE in CL of AAEMFC. Considering the Pt-based catalyst effective utilization and cost, however, the platinum requirement can be diminished to close to 0.5 mg/cm(2) in CLwithout significant performance loss. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: EMPIRICAL-EQUATION ;  ALKALINE ;  ELECTROCATALYSTS ;  ASSEMBLIES ;  CATHODES ;  IONOMER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000338913700016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119702
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, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Yang, Donglei,Yu, Hongmei,Li, Guangfu,et al. Effect of gas diffusion electrode parameters on anion exchange membrane fuel cell performance[J]. CHINESE JOURNAL OF CATALYSIS,2014,35(7):1091-1097.
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