直接甲醇燃料电池的数学模型
Mathematical Model of a Direct Methanol Fuel Cell
摘要：
建立了直接甲醇燃料电池（DMFC）的一维等温模型。该模型解释了阳极处的多步甲醇氧化反应的动力学。模型中考虑了甲醇的扩散和渗透，并考虑了甲醇渗透引起的氧阴极混合电位。动力学和扩散参数估计通过比较模型的数据从25平方厘米的DMFC。这种半解析模型可以快速求解，因此适合于包含在实时系统级DMFC模拟中。
英文摘要：
A one dimensional (1-D), isothermal model for a direct methanol fuel cell (DMFC) is presented. This model accounts for the kinetics of the multi-step methanol oxidation reaction at the anode. Diffusion and crossover of methanol are modeled and the mixed potential of the oxygen cathode due to methanol crossover is included. Kinetic and diffusional parameters are estimated by comparing the model to data from a 25 cm2 DMFC. This semi-analytical model can be solved rapidly so that it is suitable for inclusion in real-time system level DMFC simulations.
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