公用通道结构对燃料电池流量分配的影响

张贝贝; 薛学良; 刘锋; 郑军

doi:10.19912/j.0254-0096.tynxb.2024-0414

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (7) : 516-520. DOI: 10.19912/j.0254-0096.tynxb.2024-0414

第二十七届中国科协年会学术论文

公用通道结构对燃料电池流量分配的影响

张贝贝, 薛学良, 刘锋, 郑军

作者信息 +

EFFECT OF COMMON CHANNEL STRUCTURE ON FLOW DISTRIBUTION IN FUEL CELLS

Zhang Beibei, Xue Xueliang, Liu Feng, Zheng Jun

Author information +

文章历史 +

摘要

该文建立大功率燃料电池电堆三维模型,数值研究公用通道长度（L）和公用通道宽度（D）、公用通道面积以及面积比（入口面积/出口面积）对电堆气体流量分配的影响。结果表明增大公用通道长度和宽度均能提高气体分配均匀性;增大公用通道面积,电堆流量分配均匀性也得到显著提升。另一方面,减小进入与出口的面积比,有利于减小进口侧公用通道与出口侧公用通道的压力差,提高电堆的流量分配以及减小电堆的压降。

Abstract

A three-dimensional model of high-power fuel cell stacks is developed in this paper to numerically investigate the effects of the length （L） and width （D） of the common channel, channel area, and the inlet-outlet area ratio on gas flow distribution of the stacks. The results indicate that increasing the length and width of the common channel contributes to improving the uniformity of gas distribution. increasing the area of the common channel also significantly improves the flow distribution uniformity of the fuel cell stack. On the other hand, decreasing the area ratio between the inlet and outlet is conducive to reducing the pressure difference between the inlet and outlet common channels, which improves the flow distribution of the stack and reduces the pressure drop of the stack.

导出引用

张贝贝, 薛学良, 刘锋, 郑军. 公用通道结构对燃料电池流量分配的影响[J]. 太阳能学报. 2025, 46(7): 516-520 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0414

Zhang Beibei, Xue Xueliang, Liu Feng, Zheng Jun. EFFECT OF COMMON CHANNEL STRUCTURE ON FLOW DISTRIBUTION IN FUEL CELLS[J]. Acta Energiae Solaris Sinica. 2025, 46(7): 516-520 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0414

中图分类号： TK91

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