Potassium doping optimization in proton-conducting Ba_1-xK_xCe_0.6Zr_0.2Y_0.2O_3-δ oxides for fuel cell applications

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• 作者：Chung-Jen Tseng^a ; Jeng-Kuei Chang^a ; ^b ; ^c ; Kan-Rong Lee^a ; ^b ; I-Ming Hung^d ; Jing-Chie Lin^a ; ^b ; Shian-Ching Jang^a ; ^b ; Sheng-Wei Lee^a ; ^b ; ^c ; ^{swlee@ncu.edu.tw}
• 关键词：Proton-conducting electrolyte ; Solid oxide fuel cells ; Ionic conductivity Ba1-xKxCe0.6Zr0.2Y0.2O3-δ ; Chemical stability
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：5 March 2017
• 年：2017
• 卷：696
• 期：Complete
• 页码：251-256
• 全文大小：2244 K
• 卷排序：696

文摘

This study first reports the K doping optimization in BaCe0.6Zr0.2Y0.2O3-δ oxides. The sintered pellet doped with 10% K exhibits highest protonic conduction. The Pt/electrolyte/Pt shows a significantly higher maximum powder density.