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首页> 外文期刊>International journal of green energy >NUMERICAL SIMULATION OF A DIRECT METHANOL FUEL CELL THROUGH A 1D+1D APPROACH
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NUMERICAL SIMULATION OF A DIRECT METHANOL FUEL CELL THROUGH A 1D+1D APPROACH

机译：通过一维一维方法直接对甲醇燃料电池进行数值模拟

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摘要

Reasonable performance estimation of fuel cell systems with the aid of simple fast and accurate models is necessary for optimized design process of fuel cells. To this end, a quasi two-dimensional (ID+ID), multi-component model is developed in order to analyze the two-phase transport direct methanol fuel cell (DMFC). The effects of diffusion and the mixed potential due to methanol crossover through the membrane are also considered. Different operating parameters, including temperature and the methanol feed concentration are examined and their effects are discussed. The present simple and easy to implement model can be as accurate as a complete two-dimensional model. Furthermore, it is seen that the simplification made in this model reduce the computational time and is therefore suitable for inclusion in real-time system level DMFC calculations.
机译：借助简单，快速，准确的模型对燃料电池系统进行合理的性能估算对于优化燃料电池的设计过程是必要的。为此，建立了准二维（ID + ID）多组分模型，以分析两相输运直接甲醇燃料电池（DMFC）。还考虑了由于甲醇穿过膜而引起的扩散和混合电位的影响。检查了不同的操作参数，包括温度和甲醇进料浓度，并讨论了它们的影响。本简单且易于实现的模型可以与完整的二维模型一样准确。此外，可以看出，在此模型中进行的简化减少了计算时间，因此适合于包含在实时系统级DMFC计算中。

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