Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
Feature: The 55th Symposium on Basic Science of Ceramics: Full papers
Relationship between thermal environment and conductivity enhancement under millimeter-wave irradiation heating of zirconia ceramics
Akira KISHIMOTOKoyo SHIMOYAMATakashi TERANISHIHidetaka HAYASHI
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Volume 125 (2017) Issue 10 Pages 717-720

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Abstract

Improving the conductivity of 8 mol % yttria-stabilized zirconia (8YSZ) electrolyte has enabled a lowering of the operating temperature of solid oxide fuel cells. We previously reported that millimeter-wave irradiation heating increases the ionic conductivity of ceramics. The ionic conductivity of 8YSZ under millimeter-wave irradiation heating had been up to 20 times higher than that with conventional heating. In the present study, we investigated the optimal thermal environment for millimeter-wave irradiation heating. We also investigated the thermal profile of samples under millimeter-wave irradiation heating to elucidate the rate of the non-thermal effect.

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© 2017 The Ceramic Society of Japan
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