Issue 48, 2022

A highly-active Zn0.58Co2.42O4 spinel oxide as a promising cathode for proton-conducting solid oxide fuel cells

Abstract

Zn0.58Co2.42O4 (ZCO), which is a novel spinel oxide, has been proposed as a cathode material for proton-conducting solid oxide fuel cells (H-SOFCs) to explore the possibility of using spinel oxide cathodes for H-SOFCs. The high oxygen-ion and proton migration kinetics of ZCO, which first-principles calculations and experiments have demonstrated, allow the ZCO cell to show high cell performance without impairing the stability of the material. Further optimizing the cathode/electrolyte interface, by utilizing the relatively low melting point of ZCO, allows a record-high performance to be obtained for the ZCO cell compared with other SOFCs using a spinel oxide cathode.

Graphical abstract: A highly-active Zn0.58Co2.42O4 spinel oxide as a promising cathode for proton-conducting solid oxide fuel cells

Supplementary files

Article information

Article type
Communication
Submitted
14 Sept. 2022
Accepted
19 Nov. 2022
First published
06 Dec. 2022

J. Mater. Chem. A, 2022,10, 25437-25445

A highly-active Zn0.58Co2.42O4 spinel oxide as a promising cathode for proton-conducting solid oxide fuel cells

Y. Xu, Y. Gu and L. Bi, J. Mater. Chem. A, 2022, 10, 25437 DOI: 10.1039/D2TA07229G

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