Experiment of pulsation hydrogen passing into PEMFC

汪小姗1

doi:10.3969/j.issn.0438-1157.2012.01.033

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Experiment of pulsation hydrogen passing into PEMFC

更新时间：2025-12-10

- Experiment of pulsation hydrogen passing into PEMFC
- CIESC Journal Issue 1, Pages: 237-243(2012)
- 作者机构：
  
  1. 1西南交通大学电气工程学院
  2. 淡马锡理工学院清洁能源中心
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.01.033
  CLC：
- Online First：05 January 2012，
  
  Published：05 January 2012
- 稿件说明：
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汪小姗1. Experiment of pulsation hydrogen passing into PEMFC[J]. CIESC Journal, 2012, (1): 237-243.
DOI：

汪小姗1. Experiment of pulsation hydrogen passing into PEMFC[J]. CIESC Journal, 2012, (1): 237-243. DOI： 10.3969/j.issn.0438-1157.2012.01.033.

摘要

基于实验室自制的质子交换膜燃料电池（proton exchange membrane fuel cell， PEMFC）及相关设备搭建测试平台，设计并进行了与可能影响燃料电池输出性能的因素相关的三组实验，即从不同位置脉动进氢，改变其脉动压强，调整负载电压继而研究燃料电池在恒压模式下的输出电流随时间变化的关系。测试结果表明：采用脉动进氢比频繁排水更能提高输出电流；从阳极出口脉动进氢及增大其脉动压强均有助于提高输出电流；当负载电压增大到一定程度后，燃料电池仅靠脉动进氢即可完全取消周期性排水；在某一负载电压下，脉动进氢的参数组合存在使系统获得最优的输出功率及其稳定性的对应值。

Abstract

Using the experimental platform set up with a home-made PEMFC and other related equipment

three group experiments are designed and conducted

which associated with the factors affecting output performance of PEMFC

that is the location and pressure of pulsating hydrogen as well as regulation of load voltage to investigate the relationship between output current and time in the fuel cell at constant potential mode.The experimental results indicate that pulsation boosts the output current better than the frequent purge process; it is more beneficial to apply pulsation to the anode channel outlet rather than the inlet; the output current increases with the pressure of the pulsating reactant gas; If the required load voltage is high enough

the purge process in the system with pulsation can be canceled; at a certain load voltage level

the output current and its stability may be adjusted to the optimum by means of proper pulsation parameters.

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