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作 者:冯利利[1] 陈越 李吉刚 汤思遥 杜军钊 李彤岩 李星国[3] FENG Li-li;CHEN Yue;LI Ji-gang;TANG Si-yao;DU Jun-zhao;LI Tong-yan;LI Xing-guo(School of Chemical and Environmental Engineering,China University of Mining and Technology,Beijing 100083,China;Beijing Huasun Information Security Electronic Technology Co.,Ltd.,Beijing 100085,China;Beijing National Research Center of Molecular Sciences,State Key Laboratory of Rare Earth Materials Chemistry and Applications,College of Chemistry and Molecular Engineering,Peking University,Beijing 100871,China)
机构地区:[1]中国矿业大学(北京)化学与环境工程学院,北京100083 [2]北京华胜信安电子科技发展有限公司,北京100085 [3]北京大学化学与分子工程学院,稀土材料化学及应用国家重点实验室,北京分子科学国家实验室,北京100871
出 处:《工程科学学报》2021年第5期585-593,共9页Chinese Journal of Engineering
基 金:北京市科学技术委员会资助项目(Z191100004619011);中央高校基本科研业务费资助项目(2020YJSHH22)。
摘 要:双极板作为质子交换膜燃料电池(PEMFCs)的重要组成部件,对电池堆的重量、体积、效率、耐久度、成本起着决定性作用.目前,金属板与石墨板电堆制备技术相对成熟,已经广泛应用于商用车、乘用车领域,但复合双极板的生产制造因原料配方未完全实现国产化、无法大批量流水线生产、成本较高等在我国仍未大批量投入市场,寻找低成本的原材料、优化原料配比及加工条件、缩短加工周期对复合双极板的产业化具有重要意义.本文首先比较了金属双极板、石墨双极板和复合双极板的特点,介绍了复合双极板的模压工艺及优点,然后概述了碳基复合材料模压双极板的研究进展,包括以酚醛树脂、环氧树脂和乙烯基酯树脂等热固性树脂为黏结剂的树脂/石墨复合双极板和炭黑、碳纤维、碳纳米管增强复合双极板,重点总结了原料种类、配比和成型工艺条件对双极板性能的影响,最后梳理了复合双极板的产业化现状,提出国内外主要双极板研发企业面临的问题,并对复合双极板的发展方向进行了展望.Bipolar plates are significant components in proton exchange membrane fuel cells(PEMFCs),thus playing a decisive role in the weight,volume,efficiency,durability,and cost of battery stacks.At present,the preparation technologies of metal and graphite plate stacks have become relatively mature,and have been widely used in the fields of commercial and passenger vehicles.However,production of composite material bipolar plates has not been marketed on a large scale in China due to the incomplete localization of raw material formulation,absence of mass production lines and high production cost.Therefore,it is of great significance to find low-cost raw materials,screen raw material compositions and ratios,optimize processing conditions including molding temperature,pressure and time,and shorten the processing cycle for the industrialization of composite bipolar plates.In this review,the characteristics of metal bipolar plates,graphite bipolar plates and composite material bipolar plates were compared.Moreover,the molding process and its advantages in composite bipolar plate production were introduced.Subsequently,recent progress in research of carbon-based composite molded bipolar plates was summarized.This includes resin/graphite composite bipolar plates using thermosetting resins such as phenol formaldehyde resin,epoxy resin and vinyl ester resin as the binder,and carbon black,carbon fiber and carbon nanotube reinforced composite bipolar plates.The effects of the types and ratios of raw materials and molding process conditions on the performance of bipolar plates were emphasized.Finally,the industrialization status of composite bipolar plates was discussed,and the problems faced by major composite bipolar plate manufacturers at home and abroad were pointed out.Prospects in the development of composite bipolar plates were also explored.Additionally,unified performance test standards for composite bipolar plates were recommended to make the performance of products developed by different enterprises comparable.
关 键 词:质子交换膜燃料电池 复合双极板 石墨 热固性树脂 碳增强材料
分 类 号:TM911.4[电气工程—电力电子与电力传动] TB332[一般工业技术—材料科学与工程]
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