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Microstructure reconstruction and characterization of PEMFC electrodes
Wu, Wei; Jiang, Fangming
2014-09-23
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号39期号:28页码:15894-15906
摘要We reconstruct a proton exchange membrane fuel cell (PEMFC) catalyst layer (CL) and a non-woven carbon paper gas diffusion layer (GDL) by specially-designed stochastic methods. The reconstructed microstructures evidently distinguish all the participating components in the composite GDL/CL. Characterization analyses with respect to the reconstructed GDL/CL give important structural properties such as geometrical connectivity of an individual phase, pore size distribution, and volume-specific interfacial area. Self-developed Lattice Boltzmann (LB) models are established to calculate effective transport physical properties including effective thermal/electric conductivity and effective species diffusivity of the reconstructed GDL/CL, and permeability of the reconstructed GDL. Accordingly, we obtain tortuosity values for pore or solid phase in the reconstructed GDL/CL. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Proton Exchange Membrane Fuel Cell Electrode Microstructure Microstructure Reconstruction Microstructure Characterization Tortuosity
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2014.03.074
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]GAS-DIFFUSION LAYERS ; LATTICE BOLTZMANN SIMULATIONS ; WATER-SATURATION DISTRIBUTION ; DIRECT NUMERICAL-SIMULATION ; MEMBRANE FUEL-CELLS ; CATALYST LAYER ; 2-PHASE FLOW ; 3-DIMENSIONAL MICROSTRUCTURE ; BOUNDARY-CONDITIONS ; BATTERY ELECTRODES
收录类别SCI ; ISTP
语种英语
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000342861500068
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10781
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Lab Adv Energy Syst, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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Wu, Wei,Jiang, Fangming. Microstructure reconstruction and characterization of PEMFC electrodes[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2014,39(28):15894-15906.
APA Wu, Wei,&Jiang, Fangming.(2014).Microstructure reconstruction and characterization of PEMFC electrodes.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,39(28),15894-15906.
MLA Wu, Wei,et al."Microstructure reconstruction and characterization of PEMFC electrodes".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 39.28(2014):15894-15906.
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