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题名: Improvement of PEMFC water management by employing water transport plate as bipolar plate
作者: Wang, Zhiqiang1, 2;  Zeng, Yachao1, 2;  Sun, Shucheng1;  Shao, Zhigang1;  Yi, Baolian1
关键词: Proton exchange membrane fuel cells ;  Water transport plate ;  Water management
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2017-08-24
DOI: 10.1016/j.ijhydene.2017.07.052
卷: 42, 期:34, 页:21922-21929
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: In this study, a porous hydrophilic water transport plate (WTP) has been employed as a bipolar plate to improve water management in proton exchange membrane fuel cells (PEMFCs). The electric conductivity, gas blocking property, water permeability and wettability of the WTP were characterized. The performance, electrochemical impedance spectroscopy (EIS) and water balance of fuel cells with WTPs and solid plates were evaluated. Benefiting from the humidification and drainage functions of the WTP, the performance of fuel cells with WTPs significantly improved compared with fuel cells with traditional solid plates. As indicated from the experiments, a WTP that was placed on the cathode side is favorable for cell performance and system complexity. Additionally, hydrogen stoichiometry hardly affects the water transport, whereas a decrease in air stoichiometry can switch the main function of the WTP from humidification to water drainage. The results show that the use of WTP technology is promising for water management improvement in PEMFCs. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: MEMBRANE FUEL-CELL ;  POLYMER-ELECTROLYTE MEMBRANES ;  PERFORMANCE ;  MODEL ;  HUMIDIFICATION ;  TEMPERATURE ;  CATALYST ;  ANODE
语种: 英语
WOS记录号: WOS:000411545300036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150077
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, Fuel Cell Syst & Engn Lab, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Wang, Zhiqiang,Zeng, Yachao,Sun, Shucheng,et al. Improvement of PEMFC water management by employing water transport plate as bipolar plate[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(34):21922-21929.
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