2116 パッシブ形PEFCモジュールの性能に関する研究(J17-2 燃料電池(2) 固体高分子形燃料電池,ジョイントセッション,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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The cause of a sudden power breakdown was experimentally investigated for a banded structure membrane fuel cell module (rated power of 120 W), which consisted of 20 polymer electrolyte fuel cells laid in a plane. The results show that the module operated for much longer than 1 hour in the case of 80% of fuel utilization, however, it experienced a sudden power breakdown in the case of 90% or 100% of fuel utilization. The results also show that a large temperature variation was found within a specific cell that caused a sudden power breakdown. It is noteworthy that the module operated in no more than 4 minutes when humidified hydrogen was supplied to the single cell.
2008-08-02