在质子交换膜燃料电池(PEMFC)阴极中,电化学反应速率较低,且反应气体传递缓慢,阴极成为限制PEMFC性能提高的主要因素之一.在阴极中发生着各种物理、化学、电学、电化学过程.从孔隙尺度研究有助于深刻理解这些过程.本文利用格子-Boltzmann方法(LBM)研究了PEMFC阴极中的流动、反应物和生成物的传质、质子传递和电化学反应过程.提出了综合模拟阴极中发生的过程的VCCP-LBM方案.讨论了利用VCCP-LBM模拟得到的结果.
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