High-performance perovskite Ba0.5Sr0.5Co0.8Fe0.1Zn0.1O3 ? ?
By Jung, Doh Won; Kwak, Chan; Park, Hee Jung; Kim, Ju Sik; Ahn, Sung-Jin; Yeon, Dong-Hee; Seo, Sooyeon; Moon, Kyeong-Seok; Lee, Sang Mock
Published in Scripta Materialia
NULL
2016
Abstract
Abstract A new composite oxide, Ba0.5Sr0.5Co0.8Fe0.1Zn0.1O3 ? ?-La0.6Sr0.4Co0.2Fe0.8O3 ? ?, was investigated as a cathode material for intermediate-temperature solid-oxide fuel cells. The area-specific polarization resistance of the Ba0.5Sr0.5Co0.8Fe0.1Zn0.1O3 ? ?-La0.6Sr0.4Co0.2Fe0.8O3 ? ? composite cathode was extracted from the impedance spectrum of a symmetric cell employing two composite cathodes. Its value of 0.078 ? cm2 at 600
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