质子交换膜燃料电池参数敏感性分析

夏国栋; 张晓亚; 马丹丹; 丁荣扩

doi:10.19912/j.0254-0096.tynxb.2022-0238

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (6) : 493-499. DOI: 10.19912/j.0254-0096.tynxb.2022-0238

质子交换膜燃料电池参数敏感性分析

夏国栋, 张晓亚, 马丹丹, 丁荣扩

作者信息 +

PARAMETER SENSITIVITY ANALYSIS OF PROTON EXCHANGE MEMBRANE FUEL CELL

Xia Guodong, Zhang Xiaoya, Ma Dandan, Ding Rongkuo

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摘要

为分析质子交换膜燃料电池（PEMFC）的参数敏感性,采用COMSOL建立三维、两相、等温燃料电池单体模型,对其进行模拟计算。通过分析物质浓度分布、极化曲线及功率密度曲线得到不同的离聚物体积分数、背压对传质及电池性能的影响。计算结果表明：随着离聚物体积分数的增大,欧姆极化损失减小,从而使电池性能得到提升,且随着工作电压的减小,电流密度增幅增大;背压的增加使电流密度增大,改变阴极背压比改变阳极背压造成的影响更大。

Abstract

In order to analyze the parameter sensitivity of proton exchange membrane fuel cell （PEMFC）, a three-dimensional, two-phase, isothermal fuel cell model is established and investigated by COMSOL. The influence of ionomer volume fraction and back pressure on mass transfer and the battery performance are obtained by analyzing material concentration distribution, polarization curve and power density curve. The results show： with the increase of ionomer volume fraction, the performance of battery is improved duc to the weakening of Ohmic polarization loss; with the decrease of the operating voltage, the amplitude of the current density increases; the performance of battery is improved with increasing of back pressure; the effect of cathode back pressure on performance is greater than that of the anode back pressure.

导出引用

夏国栋, 张晓亚, 马丹丹, 丁荣扩. 质子交换膜燃料电池参数敏感性分析[J]. 太阳能学报. 2022, 43(6): 493-499 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0238

Xia Guodong, Zhang Xiaoya, Ma Dandan, Ding Rongkuo. PARAMETER SENSITIVITY ANALYSIS OF PROTON EXCHANGE MEMBRANE FUEL CELL[J]. Acta Energiae Solaris Sinica. 2022, 43(6): 493-499 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0238

中图分类号： TM911.4

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