采用正交实验法,固定其主要成分活性炭的含量,对空气扩散电极催化层中的其它4种成分,即PTFE、乙炔黑、无水乙醇、催化剂(γ-MnO2)的含量进行了优化设计.优化及分析结果表明:PTFE的含量对空气扩散电极的性能影响最大.在活性炭的含量为4.0g,20ml无水乙醇,1.0g乙炔黑,2.5g催化剂(γ-MnO2),2.0gPTFE的配比条件下,空气扩散电极的电流密度可以达到202mA/cm2.
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