Liquid water transport in gas flow channels of PEMFCs: A review on numerical simulations and visualization experiments

被引：41
|
作者：
Xu, Shengnan [1 ,2 ]
Liao, Peiyi [1 ,2 ]
Yang, Daijun [1 ,2 ]
Li, Zhilong [3 ]
Li, Bing [1 ,2 ]
Ming, Pingwen [1 ,2 ]
Zhou, Xiangyang [3 ]
机构：
[1] Tongji Univ, Sch Automot Studies, Shanghai 201804, Peoples R China
[2] Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
[3] Shanghai AI NEV Innovat Platform Co Ltd, Shanghai 201805, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 27期
关键词：
Proton exchange membrane fuel cell; Transport; Gas flow channels; Droplet dynamics; Two-flow pattern; MEMBRANE FUEL-CELL; POLYMER-ELECTROLYTE MEMBRANE; LATTICE BOLTZMANN SIMULATIONS; DIFFUSION LAYER MATERIALS; DEAD-END ANODE; DROPLET DYNAMICS; 2-PHASE FLOW; CATHODE CHANNEL; FIELD DESIGN; REMOVAL CHARACTERISTICS;
D O I：
10.1016/j.ijhydene.2022.12.140
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Proper water management in gas flow channels of a proton exchange membrane fuel cell (PEMFC) necessitates a comprehensive understanding of liquid water generation and mo-tion, which are strongly related to droplet dynamics and flow patterns. Based on existing literature on numerical simulations using Volume of Fluid (VOF) method and Lattice Boltzmann method (LBM), this review identifies and analyzes the main factors in detail that affect the droplet dynamics including surface wettability, initial states of liquid water, geometrical structures of channels, and operating conditions. In addition, visualization experiments can effectively compensate for numerical simulations restricted by the limi-tations of length and time scale. This review focuses on optical photography, which is currently considered as the most convenient and low-cost method and discusses experi-mental apparatuses, qualitative flow pattern maps, and quantitative information. Finally, strategies for liquid water removal from gas flow channels are extracted to further enhance the performance of low-temperature PEMFCs. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：10118 / 10143
页数：26
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