304 Sc_2O_3をドープしたジルコニア系固体酸化物型燃料電池電解質の超塑性特性とその影響II(関東支部茨城講演会)

概要

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Solid Oxide Fuel Cells (SOFC) have exceptional potential for electric power generation system, because of their high energy conversion efficiency. Stabilized zirconia polycrystals are mainly used for the electrolyte of SOFC. Since superplasticity has been found in many kinds of zirconia-based polycrystals, its application to plastic forming of these polycrystals to make thin films or complex forms are very promising. Moreover, the application of superplasticity may connect with the improvement in electrolyte characteristics. In this study, superplastic properties of 4mol% Sc_2O_3-doped zirconia polycrystals (4ScSZ), known for having a high rate of electric conduction, were examined in detail, and a probable cause for the large elongation the 4ScSZ has slown is discussed.
一般社団法人日本機械学会の論文
2005-09-08