Parametric model of an intermediate temperature PEMFC |
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| Affiliation: | 1. Department of Mechanical and Aerospace Engineering, 2132 Bainer Hall, University of California – Davis, One Shields Avenue, Davis, CA 95616, USA;2. Department of Mechanical Engineering, Western New England University, 1215 Wilbraham Road, Springfield, MA 01119, USA;1. Research Institute on Transportation, Energy and Society, Belfort Cedex, France;2. FCLAB (FR CNRS 3539), 90010 Belfort Cedex, France;3. Lab of Excellence ACTION CNRS/FEMTO-ST (UMR CNRS 6174) Energy Dpt, University of Franche-Comté, France;4. Iran University of Science & Technology (IUST), 1684613114 Tehran, Iran;1. Department of Mechanical Engineering, Inha University, 100 Inha-ro, Nam-Gu, Incheon, 22212, Republic of Korea;2. R&D Center, Korea Gas Corporation, 1248 Suin-ro, Sangrok-gu, Ansan-si, Gyeonggi-do, 15328, Republic of Korea;3. Fuel Cell Research Center, Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon, 305-343, Republic of Korea;4. Doosan Corporation Fuel Cell, 75 Jeyakdanji-ro, Hyangnam-eup, Hwaseong-si, Gyeonggi-do, 18608, Republic of Korea;1. Mechanical Engineering Department, University of Akron, Ohio, 302 E Buchtel Ave, Akron, OH 44325, USA;2. Institute of Materials and Energy, Iranian Space Research Center, Isfahan, Po.Box: 81395-619, Iran |
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| Abstract: | Proton exchange membrane fuel cells operating with Nafion® membranes have encountered numerous problems associated with water management and CO poisoning because of their low temperature of operation. Higher temperature membranes have been investigated, one such membrane being polybenzimidazole (PBI). This paper presents a parametric model, which predicts the polarization performance of an intermediate temperature proton exchange membrane fuel cell (PEMFC). It also investigates the effects of porous media characteristics on fuel cell performance. Results show that for intermediate temperature fuel cells, mass limitation effects are absent as long as the catalyst regions are sufficiently permeable. It is predicted that the greatest scope for improving PBI PEMFC performance is increasing the membrane conductivity and improving the catalyst performance, as it interfaces with the PBI membrane. |
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