共 4 条
质子交换膜燃料电池的脉动进氢实验
被引:5
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张财智
论文数: 0 引用数: 0
h-index: 0
机构:
淡马锡理工学院清洁能源中心 西南交通大学电气工程学院

韩明
论文数: 0 引用数: 0
h-index: 0
机构:
淡马锡理工学院清洁能源中心 西南交通大学电气工程学院
机构:
[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
来源:
关键词:
质子交换膜燃料电池;
脉动进氢;
排水;
输出电流时间曲线;
D O I:
暂无
中图分类号:
TM911.4 [燃料电池];
学科分类号:
0808 ;
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。
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页码:237 / 243
页数:7
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