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La[sub 0.6]Ba[sub0.4]CoO[sub 3] as aCathode Material forSolid Oxide FuelCells Using aBaCeO[sub 3]Electrolyte Michihisa KoyamaChing-ju WenKōichi Yamada2000 год

La[sub 0.6]Ba[sub 0.4]CoO[sub 3] as a Cathode Material for Solid Oxide Fuel Cells Using a BaCeO[sub 3] Electrolyte
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Аннотация: The cathodic reaction mechanism of a solid oxide fuel cell (SOFC) was investigated for an electrode‐electrolyte system of , under both the conducting and mixed‐ionic conducting conditions. AC impedance measurements were carried out, and the electrode interfacial conductivities were calculated. The experimental results revealed that the processes dominating the electrode resistance for the conducting and the mixed‐ionic conducting conditions are different. It was also found that the process dominating the electrode resistance changes at 700°C under mixed‐ionic conducting conditions. The process dominating the electrode resistance above 700°C is postulated to be the reaction . LBC showed high‐performance cathode characteristics for a SOFC using electrolyte. © 2000 The Electrochemical Society. All rights reserved.
Год издания: 2000
Авторы: Michihisa Koyama, Ching-ju Wen, Kōichi Yamada
Издательство: Institute of Physics
Источник: Journal of The Electrochemical Society
Ключевые слова: Advancements in Solid Oxide Fuel Cells, Magnetic and transport properties of perovskites and related materials, Fuel Cells and Related Materials