镀液温度的升高能扩散加快﹐降低浓差极化﹐此外﹐升温还能使离子的脱水过程加快。
The solution the rise of temperature diffusion speed up, reduce can strong difference, in addition, temperature polarization still can make ion dehydration process of speed up.
不考虑空气系统的时间滞后，影响电池动态响应时间的主要因素为扩散浓差极化，它限制了电流的变化率。
Regardless of hysteresis of air system, the main factor that influences dynamic response of fuel cell is diffusion concentration polarization, which restricts the change rate of stack current.
本文从稳态扩散方程推导出产生浓差极化的扩散层厚度与实验数据相符。
The thickness of the diffusion layer reckoned by computation of steady-state diffusion equation has been found in agreement with the results obtained through laboratory experiment.
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