Review on current research of materials,fabrication and application for bipolar plate in proton exchange membrane fuel cell |
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| Affiliation: | 1. School of Automotive Engineering, The State Key Laboratory of Mechanical Transmissions, Chongqing Automotive Collaborative Innovation Centre, Chongqing University, Chongqing 400044, China;2. School of Materials Science and Engineering, Chongqing University, Chongqing, 400044, PR China;3. Duralite Power Pte Ltd, Soon Lee Street #06-17, Pioneer Junction, 627606, Singapore;4. School of Engineering, Temasek Polytechnic, 529757, Singapore;5. Department of Chemical and Biomolecular Engineering, National University of Singapore, 117576, Singapore;6. Propulsion Research Institute of Chongqing Changan New Energy Vehicle Technology Co., Ltd, Chongqing 400000, China;1. Department of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, PR China;2. School of Mechanical and Power Engineering, Dalian Ocean University, Dalian 116023, PR China;1. College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China;2. Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu, 610207, China;3. Engineering Research Center of Sustainable Energy Materials and Devices, Ministry of Education, China;1. Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA;2. National Metal and Materials Technology Center, NSTDA, Thailand;3. Faraday Technology, Inc., 315 Huls Drive, Clayton, OH, 45315, USA;4. Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, 50200, Thailand;5. Hydrogen Fuel Cell Regional Innovation Center, Woosuk University, Jeonju, South Korea |
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| Abstract: | Bipolar plate (BP) in proton exchange membrane (PEM) fuel cells provides conducting paths for electrons between cells, distributes and blocks the reactant gases, removes waste heat, and provides stack structural integrity. It is a key component to ensure the aforementioned functions while maintaining a low cost of fuel cell stack. This paper presents a comprehensive review about the BP materials (metallic, non-porous graphite and composite materials) and the corresponding fabrication methods, flow field layouts, and PEM fuel cells applications. Among the materials, the metallic BP has attracted high attention in automotive application due to its superior mechanical and physical properties, competitive cost compared with non-porous graphite and composite materials, but the fabrication technology and corrosion resistance are the major concerns for metallic bipolar plates. In recent studies, the protective coatings reported such as the conductive polymer, metal nitride/carbide and noble coatings have become the hot topics. They have been widely applied in different kinds of metallic bipolar plates, and the metal nitride coatings exhibit relatively low corrosion current and moderate interfacial contact resistance in comparison to other coatings. In future, developing excellent corrosion resistance and electrical conductivity coatings or novel metallic materials for bipolar plates will greatly enhance PEM fuel cells application in transportation field. |
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| Keywords: | Graphite bipolar plate Metallic bipolar plate Composite bipolar plate Flow field Proton exchange membrane fuel cell |
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