Two-phase flow across-the-channel model of PEMFC（Ⅱ） Cell performance affected by channel design

WANG Hongxing; XU Li; WANG Yuxin

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Two-phase flow across-the-channel model of PEMFC（Ⅱ） Cell performance affected by channel design

更新时间：2025-12-10

- Two-phase flow across-the-channel model of PEMFC（Ⅱ） Cell performance affected by channel design
- CIESC Journal Issue 7, Pages: 1699-1705(2007)
- 作者机构：
  
  天津大学化工学院，化学工程联合国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 July 2007，
  
  Published：05 July 2007
- 稿件说明：
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WANG Hongxing, XU Li, WANG Yuxin. Two-phase flow across-the-channel model of PEMFC（Ⅱ） Cell performance affected by channel design[J]. CIESC Journal, 2007, (7): 1699-1705.
DOI：

WANG Hongxing, XU Li, WANG Yuxin. Two-phase flow across-the-channel model of PEMFC（Ⅱ） Cell performance affected by channel design[J]. CIESC Journal, 2007, (7): 1699-1705. DOI：

摘要

利用之前建立的数学模型（across-the-channel model）研究了流道设计对电池性能的影响。结果表明，对不同增湿条件的质子交换膜燃料电池（PEMFC），其流道设计策略应有所不同：在增湿较差或者不增湿的条件下，电池阴极流场板应当采用较宽的脊以获得较好的保湿效果；在增湿较好的条件下，则应当采用较窄的脊以增强阴极排水功能，从而提高电池性能。

Abstract

The effects of channel design on the performance of proton exchange membrane fuel cell(PEMFC) are addressed with the mathematical model developed in part(Ⅰ).The result shows that PEMFCs with different humidities have different design strategies.For a fixed electrode width，narrower shoulders are preferred for the high humidity inlet PEMFC，whereas wider shoulders are preferred to promote slower water removal for the low humidity inlet PEMFC.

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