讨论了质子交换膜燃料电池运行电流密度和温度、阴极和阳极加湿温度、气体扩散层孔隙率等参数对以上结果的影响。

The effect of the current density and fuel cell temperature, humidified temperature of cathode and anode, porosity of porous diffusion layer on the results mentioned above are discussed.

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分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。

The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.

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分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。

The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.

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