By using the larger porosity of the gas diffusion layer, it can effectively prevent the anode side of the membrane from being dry, the cathode side of the membrane from flooding.

• 当使用孔隙度较大的气体扩散层，可以防止薄膜靠阳极侧乾化，薄膜靠阴极侧淹水，并可把各层达稳态的时间缩短。