质子交换膜燃料电池(PEMFC)具有能量密度高、启动速度快和运行条件温和等突出优势,是极具潜力的新一代燃料电池。质子交换膜(PEM)作为PEMFC的核心部件,其性能决定着整个燃料电池(FC)的功率输出、使用寿命等关键性能。理想的PEM应拥有高的质子传导率、机械性能与化学稳定性,并且能够有效地阻止燃料和氧化剂交叉渗透。然而,PEM在PEMFC中的应用还存在着诸多障碍需要克服。总结了面向PEMFC应用的磺化聚合物PEM的设计、制备与性能,讨论了磺化聚合物PEM分子结构和微观形貌对各项性能的影响,并展望了未来磺化聚合物PEM的研究方向。
Proton exchange membrane fuel cells (PEMFCs) offer outstanding advantages such as high energy density,fast startup,and mild operating conditions,making them an up-and-coming next-generation fuel cells.The proton exchange membrane (PEM),as the core component of PEMFCs,determines the critical performance metrics of fuel cells (FC),such as power output and service life.An ideal PEM should possess high proton conductivity,mechanical strength,and chemical stability,while effectively preventing the cross-penetration of fuels and oxidants.However,there are still numerous challenges that need to be addressed in the application of PEMs in PEMFCs.This paper summarized the design,preparation,and performance of sulfonated polymer PEMs for PEMFC applications,discussed the effects of molecular structure and microstructure of sulfonated polymer PEMs on their performance,and provided an outlook on future research directions for sulfonated polymer PEMs.
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基金资助
吉林省电力科学研究院有限公司科技项目(合同号:KY-GS-23-02-04)
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