基于电极修饰质子交换膜燃料电池自增湿研究进展  

Progress in self-humidifying of proton exchange membrane fuel cell based on electrode modification

作　　者：解政 张玮琦 马强 徐谦 苏华能 XIE Zheng;ZHANG Weiqi;MA Qiang;XU Qian;SU Huaneng(Institute for Energy Research of Jiangsu University,Zhenjiang 212013,Jiangsu,China)

机构地区：[1]江苏大学能源研究院,江苏镇江212013

出　　处：《化工进展》2020年第6期2363-2369,共7页Chemical Industry and Engineering Progress

基　　金：国家自然科学基金(21676126);江苏省自然科学基金(BK20171296,BK20180877);镇江市重点研发项目(GY2018024)。

摘　　要：自增湿对于质子交换膜燃料电池的实际应用具有重要意义。本文从电极组分和结构修饰这一角度出发,介绍了近年来质子交换膜燃料电池自增湿研究的一些重要进展和发展趋势。首先介绍了基于催化层修饰实现质子交换膜燃料电池自增湿的发展状况,指出吸湿性催化剂开发是实现高效自增湿催化层的关键;其次介绍了基于气体扩散层修饰和电极结构改进实现质子交换膜燃料电池自增湿的研究进展,分析了两种方式各自的优缺点,讨论了其后续的发展方向;最后针对现有自增湿工艺存在的问题,提出了未来的研究方向和重点,对这类自增湿研究的发展趋势及应用前景进行了展望,指出吸湿性催化剂研发以及多种工艺协同互补将是今后自增湿质子交换膜燃料电池发展的重要方向。Self-humidifying is of great significance for the practical application of proton exchange membrane fuel cells(PEMFC).From the perspectives of electrode component and structure modification,this paper introduces some important progress and development trends of PEMFC self-humidifying studies in recent years.Firstly,the development of PEMFC self-humidifying based on the modification of the catalytic layer is introduced,and the importance of developing a hygroscopic catalyst to achieve an efficient self-humidifying catalytic layer is pointed out.Secondly,the research progress of PEMFC selfhumidifying based on gas diffusion layer modification and electrode structure improvement is introduced.The advantages and disadvantages of the two methods are analyzed,and the future development direction is discussed.Finally,in view of the problems in the existing self-humidifying process,we provide some suggestions on its future research directions and priorities,i.e.the research and development of hygroscopic catalyst and the combinations of various methods.

关 键 词：燃料电池 自增湿 催化层 气体扩散电极 电极修饰 

分 类 号：TM911.4[电气工程—电力电子与电力传动]