考虑多孔电极内气液分布的数学模型
中国科学技术大学力学和机械工程系,合肥 230027
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摘要
给出了多孔电极内不同气液分布形状的溶液欧姆定律;在单孔电极模型基础上定义了电化学反应的有效三相分界线长度概念,并给出了对应的计算方法;建立了基于多孔介质气液分布理论的一维电流和过电位数学模型,用数值迭代方法计算了沿电极面法线方向上的电流和过电位分布,分析了气体饱和度分布和有效三相分界线长度对它们的影响。
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