【摘要】 系统总结了质子交换膜燃料电池(PEMFC)用催化剂的种类,以及其在长时间运行过程中性能衰减的主要原因,归纳了近年来提高催化剂稳定性的改进方法,包括改变合金组成、对催化剂表面进行修饰、选择高稳定性催化剂载体、制备新型催化剂材料;最后提出了该催化剂材料研究中存在的问题和今后的发展方向。更多还原

【Abstract】 The type of catalyst and the main reasons of performance degradation of catalyst in long term wor-king for the proton exchange membrane fuel cell(PEMFC) are summarized systematically.The recent method to improve the stability of catalyst are introduced,including change in alloy composition,surface modification of catalyst,selection of high stability catalyst supporter,preparation of new catalyst materials.Finally,the problems and future development direction of the catalyst material are also presented.更多还原