An Evaluation of Fuel Cell operated in middle and high temperature

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  • 中高温作動用燃料電池の評価に関する研究
  • チュウコウオン サドウヨウ ネンリョウ デンチ ノ ヒョウカ ニ カンスル ケンキュウ

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Fuel cell has a important roll to spread hydrogen energy. In order to realize the Polymer Electrolyte Fuel Cell (PEFC) , 30kW PEFC power plant was prototyped, and evaluated the power generation efficiency. For purpose of increasing operation temperature, we developed high-temperature polymer membranes, and obtained successful result of 400hr test run in 120°C, 5kW Solid Oxide Fuel Cell (SOFC) was manufactured by way of trial, and obtained the data of power density (W⁄cm2) that was compared with another data. Recently the power density achieved about 1 (W⁄cm2) contributing to increase the power generation efficiency, we evaluated the relation of equipment construction cost to the power density. We proposed high efficient power plant system that has a competitive edge over existing state of art thermal power plant. A material development for SOFC has also considered in this paper.

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