Self-reconstruction of highly active NiCo2O4 with triple-continuous transfer of electrons, ions, and oxygen for Zn-air batteries

Wanqi Tang,Jiayi Tang,Kaiming Liao,Zongping Shao

Chemical Engineering Journal（2023）

引用 7|浏览7

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摘要

•A noble-metal-free bifunctional oxygen electrocatalyst of spinel-type NiCo2O4 with hierarchical porous networks is prepared.•Self-reconstruction of NiOOH-NiCo2O4 interfacial layer with high activity and 3D networks during OER is demonstrated.•Tailoring charge and mass transport in self-reconstructed NiCo2O4 ensures synergistic improvement in Zn-air batteries.

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关键词

Zn-air batteries,Surface reconstruction,Spinel catalysts,Mass transfer

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