Research on ECSA Degradation Model for PEM Fuel Cell under Vehicle Conditions

Hang You, Jun Fu, Xi Li
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引用次数: 1

Abstract

Fuel cell vehicles are a trend in the development of new energy vehicles in the future. However, the degradation of PEMFC has always been one of the reasons restricting its development. This paper studies a PEMFC degradation model based on ECSA to determine the appropriate working state to reduce the rapid degradation of PEMFC. This model mainly simulates the dissolution and maturation of platinum clusters in the catalytic layer and explains the decline of ECSA. The simulation results show that the model can well correspond to the phenomenon of accelerated aging of the fuel cell due to variable load under vehicle operating conditions. It is suggested that the model facilitates the development of a hybrid energy management system for vehicles aimed at fuel cell degradation.
车辆工况下PEM燃料电池ECSA退化模型研究
燃料电池汽车是未来新能源汽车发展的一个趋势。然而,PEMFC的降解问题一直是制约其发展的原因之一。本文研究了基于ECSA的PEMFC降解模型,以确定合适的工作状态,减少PEMFC的快速降解。该模型主要模拟了铂团簇在催化层中的溶解和成熟过程,并解释了ECSA的下降。仿真结果表明,该模型能较好地对应车辆运行工况下燃料电池因变载荷而加速老化的现象。该模型有助于开发针对燃料电池退化的混合能源管理系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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