燃料电池堆组件退化现象对输出性能的影响  

Influence Analysis of Degradation Phenomenon on Output Performance for Fuel Cell Stack Assemblies

作　　者：郑恩辉[1] 卫东[1] 楼洪[1] 肖昌允[1] 

机构地区：[1]中国计量学院机电工程学院,浙江省杭州市310018

出　　处：《中国电机工程学报》2012年第5期86-92,共7页Proceedings of the CSEE

基　　金：国家自然科学基金项目(60905034);浙江省自然科学基金(Y1080918)~~

摘　　要：电堆或单电池的组件在长期使用过程中,会出现损耗或功能性退化现象,严重影响发电系统的输出性能和安全可靠性。这种现象的形成有着复杂的内在因素,所造成的输出性能下降形式也难以简单描述。该文首先根据伏–安(V-I)特性曲线各阶段的不同特点,初步研究了组件退化现象对输出性能的影响机制。其次,提出一种基于曲线函数比较的数学方法,实现输出性能下降程度的量化计算。最后,针对多个相同规格、不同使用程度的燃料电池堆,设计实验验证算法有的效性。Functional degradation and loss can be occured to the assemblies of fuel cells or stack during operation process,it has a serious influence on the output performance and security of power supply system.This phenomenon results from lots of complex causes,and the output performance variety can not be described simply.The influence mechanism between the phenomenon to the output performance was researched according to every phase characteristic of V-I curve at first.Then,a kind of mathematical method based on function comparison was developed to achieve quantitative calculation for performance variety.Finally,an experiment was designed to calculate performance variety.The experiment results indicate that the method is effective.

关 键 词：燃料电池堆 组件退化 伏–安特性 分析评价 

分 类 号：TP24[自动化与计算机技术—检测技术与自动化装置]