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学科主题物理化学
Study of sulfur dioxide crossover in proton exchange membrane fuel cells
Zhai, Junxiang1,2; Hou, Ming1; Zhang, Huabing1,2; Zhou, Zhimin1,2; Fu, Jie1,2; Shao, Zhigang1; Yi, Baolian1; Hou M(侯明); Shao ZG(邵志刚)
关键词Proton Exchange Membrane Fuel Cells Sulfur Dioxide Crossover Mechanism
刊名JOURNAL OF POWER SOURCES
2011-03-15
ISSN待补充
DOI10.1016/j.jpowsour.2010.11.103
196期:6页:3172-3177
收录类别SCI
文章类型Article
部门归属3
项目归属301
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]PT/VULCAN CARBON ELECTROCATALYSTS ; OXYGEN REDUCTION REACTION ; PEMFC PERFORMANCE ; ANODE FUEL ; CATHODE ; CONTAMINATION ; ELECTRODES ; OXIDATION ; H2S ; CO
英文摘要Study of sulfur dioxide crossover in proton exchange membrane fuel cells; As one of the most deleterious impurities to proton exchange membrane fuel cells (PEMFCs), sulfur dioxide (SO(2)) in air can pass through the membrane from the cathode to the anode and poison the catalyst of the two electrodes. The phenomenon of SO(2) crossover is investigated electrochemically in this paper. The influences of SO(2) concentration, relative humidity, gas pressure and current density on SO(2) crossover are discussed. Experimental results reveal that the anode tends to be poisoned heavily with the increasing concentration of SO(2) in the cathode. The coverage of the anode catalyst by SO(2) permeating from the cathode enlarges with the decreasing relative humidity in the anode. The rate of SO(2) crossover from the anode to the cathode is promoted at high current density when SO(2) is directly introduced into the anode side instead of the cathode side, which can be ascribed to the electro-osmotic drag effect. Gas pressures show no obvious effects on SO(2) crossover. A co-permeation mechanism of SO(2) with water is deduced based on the overall analysis. (c) 2010 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000287058800031
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115445
专题中国科学院大连化学物理研究所
通讯作者Hou M(侯明); Shao ZG(邵志刚)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Zhai, Junxiang,Hou, Ming,Zhang, Huabing,et al. Study of sulfur dioxide crossover in proton exchange membrane fuel cells[J]. JOURNAL OF POWER SOURCES,2011,196(6):3172-3177.
APA Zhai, Junxiang.,Hou, Ming.,Zhang, Huabing.,Zhou, Zhimin.,Fu, Jie.,...&邵志刚.(2011).Study of sulfur dioxide crossover in proton exchange membrane fuel cells.JOURNAL OF POWER SOURCES,196(6),3172-3177.
MLA Zhai, Junxiang,et al."Study of sulfur dioxide crossover in proton exchange membrane fuel cells".JOURNAL OF POWER SOURCES 196.6(2011):3172-3177.
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