First, Fabrication and optimization of MEA are studied in many aspects, for example hot press parameters, components of catalyst layer and diffusion layer, PEM thickness, etc.

首先，对MEA的制备及优化研究，主要从热压工艺参数、催化层组分优化、扩散层和质子交换膜的选择等方面考虑的。

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First, Fabrication and optimization of MEA are studied in many aspects, for example hot press parameters, components of catalyst layer and diffusion layer, PEM thickness, etc.

首先，对MEA的制备及优化研究，主要从热压工艺参数、催化层组分优化、扩散层和质子交换膜的选择等方面考虑的。

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