2109 中空平板構造の固体酸化物形燃料電池セル性能に及ぼす燃料ガス供給管の効果(J17-1 燃料電池(1) 固体酸化物形燃料電池,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)

概要

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A Solid Oxide Fuel Cell (SOFC) with flat-tubular structure has been developed. The SOFCs were composed of 8molY_2O_3-ZrO_2 (YSZ) electrolyte, Ni-YSZ anode and La_<0.8>Sr_<0.2>MnO_3 cathode. The SOFCs had a feature that fuel gas was homogeneously supplied to fuel-electrodes with fuel gas pipes made of heat-resistant alloy. The cell of 50cm^2 active area was operated to achieve maximum power density of 0.23W/cm^2 at 1000℃. The effect of the fuel gas pipes on the cell performance was recognized, because the performance was two times as high as that of SOFC without the fuel gas pipes. About 24% of this performance difference was occurred by ohmic losses.
一般社団法人日本機械学会の論文
2008-08-02