Mitigation studies of carbon corrosion by optimizing the opening size of the cathode outlet in a proton exchange membrane fuel cell with dead-ended anode

被引：75
|
作者：
Chen, Ben [1 ,2 ]
Wang, Jun [1 ]
Yang, Tianqi [2 ]
Cai, Yonghua [2 ]
Pan, Mu [1 ]
Tu, Zhengkai [1 ,3 ]
Zhang, Caizhi [3 ]
Chan, Siew Hwa [3 ]
Yu, Yi [4 ]
机构：
[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Hubei Key Lab Adv Technol Automot Components, Wuhan 430070, Peoples R China
[3] Nanyang Technol Univ, Energy Res Inst, 50 Nanyang Ave, Singapore 637553, Singapore
[4] SAIC Motor, Res & Adv Technol Dept, Shanghai 201804, Peoples R China
来源：
ENERGY CONVERSION AND MANAGEMENT | 2016年 / 119卷
关键词：
Proton exchange membrane fuel cell; Dead-ended; Mitigation; Carbon corrosion; FLOW-FIELD; WATER MANAGEMENT; GAS CHANNELS; PEMFC; PERFORMANCE; OPTIMIZATION; DEGRADATION; STARVATION; OPERATION; TRANSPORT;
D O I：
10.1016/j.enconman.2016.04.043
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Water management is the key issue for the cathode in a proton exchange membrane fuel cell, nearly all the humidified and generated water is flow out of the fuel cell through the outlet of the cathode. Cathode flooding can lead to dramatic performance decay and irrecoverable material degradation in fuel cell. Therefore, optimization design at the cathode outlet is a significant technical challenge for the performance and lifetime enhancement for fuel cell. To address this problem, this study optimized the opening size at cathode outlet of the fuel cell that operates under dead-ended anode mode. The designed cells were continuously operated for 100 h under dead-ended anode mode and the effect of opening size in cathode outlet on cell performance has been investigated. It was found that, with the increase in opening size at cathode outlet, the flooding electrode and the consequent carbon corrosion in catalyst layer can be substantially suppressed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：60 / 66
页数：7
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