DICP OpenIR
Subject Area物理化学
Study on hydrophobicity degradation of gas diffusion layer in proton exchange membrane fuel cells
Yu, Shuchun1,2; Li, Xiaojin1; Li, Jin1,2; Liu, Sa1,2; Lu, Wangting1,2; Shao, Zhigang1; Yi, Baolian1; Li XJ(李晓锦); Shao ZG(邵志刚)
KeywordProton Exchange Membrane Fuel Cell Gas Diffusion Layer Hydrophobicity Degradation Performance
Source PublicationENERGY CONVERSION AND MANAGEMENT
2013-12-01
DOI10.1016/j.enconman.2013.07.034
Volume76Pages:301-306
Indexed BySCI
SubtypeArticle
DepartmentDNL03
Funding ProjectDNL0301
Contribution Rank1,1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS Research AreaThermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS KeywordLIQUID WATER TRANSPORT ; PERFORMANCE ; DURABILITY ; PEMFC ; GDL ; MICROSTRUCTURE ; POWER
AbstractAs one of the essential components of proton exchange membrane fuel cell (PEMFC), gas diffusion layer (GDL) is of importance on water management, as well on the performance and durability of PEMFC. In this paper, the hydrophobicity degradation of GDL was investigated by immersing it in the 1.0 mol L-1 H2SO4 solution saturated by air for 1200 h. From the measurements of contact angle and water permeability, the hydrophobic characteristics of the pristine and immersed GDLs were compared. To investigate the causes for hydrophobicity degradation, the GDLs were analyzed by scanning electron microscopy, X-ray photoelectron spectroscopy and thermogravimetry. Further, the chemical compositions of H2SO4 solutions before and after immersion test were analyzed with infrared spectroscopy. Results showed that the hydrophobicity of immersed GDL decreased distinctly, which was caused by the damage of physical structure and surface characteristics. Moreover, the immersed GDL showed a worse fuel cell performance than the pristine GDL, especially under a low humidity condition. (C) 2013 Published by Elsevier Ltd.
Language英语
WOS IDWOS:000327576800032
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/117648
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi XJ(李晓锦); Shao ZG(邵志刚)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yu, Shuchun,Li, Xiaojin,Li, Jin,et al. Study on hydrophobicity degradation of gas diffusion layer in proton exchange membrane fuel cells[J]. ENERGY CONVERSION AND MANAGEMENT,2013,76:301-306.
APA Yu, Shuchun.,Li, Xiaojin.,Li, Jin.,Liu, Sa.,Lu, Wangting.,...&邵志刚.(2013).Study on hydrophobicity degradation of gas diffusion layer in proton exchange membrane fuel cells.ENERGY CONVERSION AND MANAGEMENT,76,301-306.
MLA Yu, Shuchun,et al."Study on hydrophobicity degradation of gas diffusion layer in proton exchange membrane fuel cells".ENERGY CONVERSION AND MANAGEMENT 76(2013):301-306.
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