膜电极结构对质子交换膜燃料电池性能的影响

膜电极(MEA)作为质子交换膜燃料电池(PEMFC)的核心组件之一，其结构和组成对电池的性能有着重要的影响。提高膜电极性能的一个重要的指导思想是在催化粒子的周围形成良好的质子、电子和气体通道。以此为主线，从电极制备工艺的发展历程，Nafion的使用与质子通道的改进、电子通道的改进、阴极催化等几个方面详细地总结和讨论了近年来MEA的研究状况，并在此基础上对MEA的进一步研究提出了若干建议。

Progress in MEA Structure and Its Influences On PEM Fuel Cell

Membrane Electrode Assembly (MEA) is one of the key elements of proton exchange membrane fuel cell (PEMFC) , Therefore, its material and structure is considered to have crucial effects on PEMFC performance. Channels for three phases (proton,electron and gas) on the catalyst surface are essential for the catalysis during cell operation. In this paper,some progress in MEA in the past several years is reviewed,including improvements for three-phase channels. Some other methods for improving catalyst activit in cathode are also described in the paper. Finally,some suggestions are given based on these analyses.