Two/three-dimensional reduced graphene oxide coating for porous flow distributor in polymer electrolyte membrane fuel cell |
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| Affiliation: | 1. Division of Thermal and Fluids Science, Institute for Computational Science; Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;2. Department of Mechanical Engineering, Incheon National University, Incheon, Republic of Korea;3. Department of Technology Education, Korea National University of Education, Cheongju, Republic of Korea;1. Department of Mechanical Engineering, Hanbat National University, Daejeon 34158, Republic of Korea;2. Center for Hydrogen Fuel Cell Research, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea;3. Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 08826, Republic of Korea;4. Global Frontier Center for Multiscale Energy Systems, Seoul National University, Seoul 08826, Republic of Korea;5. Department of Mechanical Engineering, Incheon National University, Incheon 22012, Republic of Korea;6. KHU-KIST Department of Converging Science and Technology, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea;7. Division of Energy & Environment Technology, KIST School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea;1. Electrochemical Innovation Lab (EIL), Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom;2. EPSRC “Frontier Engineering” Centre for Nature Inspired Engineering & Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom;3. Advanced Propulsion Lab (APL), University College London, London, WC1E 7JE, United Kingdom;4. Helmholtz-Zentrum Berlin (HZB), Hahn-Meitner-Platz 1, 14109, Berlin, Germany;1. School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. Energy Research Institute, Nanyang Technological University, 50 Nanyang Avenue, 637553 Singapore, Singapore;5. Division of Energy & Environment Technology, KIST School, University of Science and Technology (UST), Seoul 02792, Republic of Korea;6. KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea |
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| Abstract: | There are drawbacks to use stainless-steel plates as a flow distributor plate in fuel cell, due to some of their properties being inferior to graphite flow distributor plates in terms of electrical conductivity and corrosion resistance. To overcome these problems, many researches have been conducted to improve the properties of stainless-steel flow distributor plates through coating of carbon materials. Herein, two-dimensional Web-like graphene (WG) and self-assembled three-dimensional graphene (STG) are coated through superheat vaporization of micro-droplet method. WG is coated in porous Ni–Cr foam and STG is constructed on the flat flow distributor plate, and they exhibit the feasibility to be applied in flow distributors. Compared to uncoated Ni–Cr foam, the performance of the PEMFC system with the graphene coated foam is enhanced remarkably. Furthermore, the flow distributor plate with the STG exhibits potential to be used directly to flow distributor. |
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| Keywords: | PEMFC Porous flow distributor rGO coating Superheat vaporization of micro-droplet 3D graphene |
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