アジア・太平洋化学工学会議発表論文要旨集
Asian Pacific Confederation of Chemical Engineers congress program and abstracts
セッションID: 1G-04
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Optimization of Operation Conditions of Polymer Electrolyte Fuel Cell by Numerical Analysis Method
Gen InoueYosuke MatsukumaMasaki Minemoto
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In the development of more efficient and stable Polymer Electrolyte Fuel Cell (PEFC), it is important to propose the optimal operating condition and the optimal shape that can uniform the distribution of current density and relative humidity in a single cell. In this study, the effect of changing operation conditions on the i-V characteristic with a small PEFC was examined experimentally. And the model was created that can express these influences on PEFC reaction characteristics. Furthermore, a PEFC reaction and thermal flow analysis model was constructed. Various operation conditions (membrane thickness, gas diffusion layer thickness, etc.) were evaluated from the viewpoint of average current density and uniformity of current density and relative humidity. As a result, by using the thin membrane, high power density was obtained, and the water management was simplified, but the current density distribution increased. The information that decided the optimal operation conditions was obtained.
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© 2004 The Society of Chemical Engineers, Japan
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