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Measuring method for flow rate distribution between cells in a polymer electrolyte fuel cell stack |
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| Authors: | Fumiaki Sekine Mika Eguchi Yasuyuki Tsutsumi |
| Affiliation: | a Major in Materials and Molecular Science, Ibaraki University, Sciences and Engineering Material, 4-12-1, Nakanarusawa, Hitachi city, Ibaraki 316-8511, Japan b Department of Biomolecular Functional Engineering, Faculty of Engineering, Ibaraki University Sciences and Engineering Material, 4-12-1, Nakanarusawa, Hitachi city, Ibaraki 316-8511, Japan c FC Development CO., Ltd., 4-12-1, Nakanarusawa, Hitachi city, Ibaraki 316-8511, Japan |
| Abstract: | The fuel cell transmogrified from a single cell that was the research object to stack is used in various fields such as cars, portable power sources, and fuel-cell cogeneration systems. It is preferable in the stack for the flow rate distribution between cells to be uniform because of the performance gain in power generation efficiency and longevity. As for the flow rate distribution between cells, the method for measuring using smoke in the measuring method and making visible the heat distribution in the stack is reported. However, a research stack was used with these measures, not a stack for practical use. In this report, a method for measuring the flow rate distribution between cells which can also be used for a cell that uses hydrogen limiting current in practical use was examined. |
| Keywords: | PEFC Stack Flow rate distribution Hydrogen limiting current |
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