MXenes anchored Co2N/Co3O4 heterostructure with electron pulling effect promoting conversion of LiOx moieties

Xingzi Zheng,Mengwei Yuan,Peiyuan Su,Miaomiao Li,Zihan Li,Fujun Li,Huifeng Li,Genban Sun

Chemical Engineering Journal（2024）

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摘要

•Theoretical prediction guided experimental modulation strategy for heterostructure.•The e- rich Co2N in heterostructure facilitated LiOx electrocatalytic conversion.•Co2N/Co3O4-Ti3C2Tx was constructed via a facile in-situ oxidation and nitriding.•Co2N/Co3O4-Ti3C2Tx improved the discharge–charge kinetics and cyclability.•Co2N/Co3O4-Ti3C2Tx had few side reactions, associated with the lower CO2 emission.

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关键词

Li-oxygen battery,Electrocatalyst,Electron pulling effect,Co2N/Co3O4-Ti3C2Tx,Heterostructure

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