质子交换膜燃料电池启停衰减的研究进展

Research progress on the startup-shutdown attenuation of PEMFC

质子交换膜燃料电池(PEMFC)的耐久性和寿命是制约其商业化发展的重要因素。车载燃料电池不可避免的要经历频繁启停的工况,因此,在启停过程中,电池的性能衰减问题更加突出。综述了近几年来,对启停循环中燃料电池性能衰减的研究,以及关于如何防止电池性能衰减的探讨,最后对如何有效地减少PEMFC的衰减提出了意见和建议。

The major obstacle for the proton exchange membrane fuel cell（PEMFC） commercialization is the durability and the life.It is inevitable that the PEMFC for the vehicle must undergo frequent startup-shutdown condition.Consequently,attenuation of performance degradation becomes stronger.The study on the mechanism of the degradation during startup-shutdown and the progress on how to prevent the degradation of PEMFC in recent years were reviewed.Moreover,the advice was proposed to avoid the degradation.