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首页> 外文期刊>Journal of power sources >Voltage loss in bipolar plates in a fuel cell stack
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Voltage loss in bipolar plates in a fuel cell stack

机译:燃料电池堆中双极板的电压损失

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摘要

Voltage loss in the bipolar plate (BP) is induced by in-plane current in the BP, which arises when the distributions of local current density over the surfaces of adjacent cells are different. We show that potential of BP satisfies Poisson equation with the right side proportional to the difference of local current densities on both sides of BP. Solution to this equation is obtained for BP between two hydrogen cells with the single straight channels and ideally humidified membranes. The general relation for voltage loss in the BP is derived.
机译:双极板(BP)中的电压损耗是由BP中的面内电流引起的,当相邻电池表面上的局部电流密度的分布不同时,就会产生该损耗。我们表明,BP的电势满足Poisson方程,其右侧与BP两侧的局部电流密度之差成正比。对于具有单个直通道和理想加湿膜的两个氢电池之间的BP,可获得该方程的解。得出BP中电压损耗的一般关系。

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