Oxygen transport and chemical compatibility with electrode materials in scheelite-type LaW_xNb_1−xO_4+x/2 ceramic electrolyte

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• 作者：Giovanna Canu^a ; ^{giovanna.canu@ge.icmate.cnr.it} ; Vincenzo Buscaglia^a ; Chiara Ferrara^b ; Piercarlo Mustarelli^b ; Só ; nia Gonç ; alves Patrí ; cio^c ; Ana Inê ; s Batista Rondã ; o^c ; Cristina Tealdi^b ; Fernando Manuel Bico Marques^c
• 关键词：Ceramics ; LaWxNb1&minus ; xO4+x/2 ; Electrolyte ; Chemical compatibility ; Oxygen-ion conductor
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：697
• 期：Complete
• 页码：392-400
• 全文大小：1973 K
• 卷排序：697

文摘

LaWxNb1−xO4+x/2 ceramics (x = 0.16) (LW16N) prepared via a solid state route. Ionic/electronic conductivity studied by impedance spectroscopy (IS) measurements. Total conductivity: 1.4·10−3 S cm−1 in air and 6.1·10−3 S cm−1 in dry H2 (800 °C). IS measurements coherent with predominant oxygen ion transport in a wide pO2 range. Study of compatibility of LW16N with standard cathode materials.