Enhanced electrocatalytic activity of FeCo2O4 interfacing with CeO2 for oxygen reduction and evolution reactions

Porous hexagonal FeCo2O4/CeO2 heterostructure with abundant interfaces has been synthesized by annealing of metal organic frameworks prepared by a facile self-precipitation method. The interface between FeCo2O4 and CeO2 is the main factor for the enhancement of catalytic activity and durability of F...

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Bibliographic Details
Published in:Electrochemistry communications 2018-08, Vol.93, p.35-38
Main Authors: Sun, Zhihui, Cao, Xuecheng, Gonzalez Martinez, Ignacio G., Rümmeli, Mark H., Yang, Ruizhi
Format: Article
Language:English
Subjects:
Electrocatalyst
FeCo2O4/CeO2 heterostructure
Interface
Oxygen evolution reaction
Oxygen reduction reaction
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Summary:Porous hexagonal FeCo2O4/CeO2 heterostructure with abundant interfaces has been synthesized by annealing of metal organic frameworks prepared by a facile self-precipitation method. The interface between FeCo2O4 and CeO2 is the main factor for the enhancement of catalytic activity and durability of FeCo2O4/CeO2 heterostructure. [Display omitted] •FeCo2O4/CeO2 heterostructure was synthesized for the first time.•FeCo2O4/CeO2 heterostructure possesses abundant interfaces.•FeCo2O4/CeO2 exhibits high catalytic activity for ORR and OER.•FeCo2O4-CeO2 interface is the main factor for improving activity and durability.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2018.06.001