A high-performance oxygen electrode for solid oxide cells: Compositional optimisation of barium cobaltite-based composites

Allan J.M. Araújo,Francisco J.A. Loureiro,João P.F. Grilo,Daniel A. Macedo,Carlos A. Paskocimas,Duncan P. Fagg

Journal of Alloys and Compounds（2022）

引用 7|浏览2

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摘要

•Effect of composition on the polarisation resistance of BCO/CGO electrodes.•50 vol% CGO-50 vol% BCO shows the lowest polarisation resistance.•The improvement relies on an increased triple-phase boundary (TPB) length.

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关键词

Solid Oxide Cell (SOC),Barium cobaltite (Ba2Co9O14 – BCO),Gadolinium-doped ceria (CGO),Electrochemical Impedance Spectroscopy (EIS)

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