车用质子交换膜燃料电池膜电极关键材料与结构设计进展

Advances in Key Materials and Structure Design of Membrane Electrodes for Automotive Proton Exchange Membrane Fuel Cells

各国氢燃料电池汽车已逐渐开始商用,但是氢燃料电池成本高、寿命差等问题仍未解决。从材料与结构出发,重点阐述了膜电极关键材料性能要求、研究进展、模拟仿真和重点企业方面内容。研究结果表明超薄高温低湿质子交换膜、高稳定性低铂催化剂以及高透氧离聚物能有效改善燃料电池膜电极的性能,并在当前实践中得到了应用。同时,在总结现阶段氢燃料电池膜电极研究进展的基础上,指出当前膜电极研究中的发展趋势和不足,并为膜电极产品开发和产业化提出了新的发展思路。

At present,hydrogen fuel cell vehicles are gradually being commercialized in various countries,but the problems of high cost and poor lifetime of hydrogen fuel cells are still unsolved.In this paper,investigation is focusing on the performance requirements,research progress,simulation and key companies of Membrane Electrode Assembly(MEA)materials from materials and structures.Investigation results show that ultra-thin enhanced proton exchange membranes(PEM),low platinum loading catalysts and highly oxygen-permeable ionomers effectively improve the performance of MEA and are applied on current practice.At the same time,based on the summary of the current progress of hydrogen fuel cell membrane electrode development research,the shortcomings and development trends of the current membrane electrode researches are presented,and new ideas for the membrane electrode technology development and industrialization are proposed.