Hierarchically porous nanoarchitecture constructed by ultrathin CoSe2 embedded Fe-CoO nanosheets as robust electrocatalyst for water oxidation

Manigandan Ramadoss,Yuanfu Chen,Yang Hu,Bin Wang,Ramkumar Jeyagopal,Karpuraranjith Marimuthu,Xinqiang Wang,Dongxu Yang

Journal of Materials Science & Technology（2021）

引用 32|浏览1

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摘要

•CoSe2@Fe-CoO nanosheets are constructed via hydrolysis-assisted selenization method.•The hyvrid shows a low Tafel slope of 56.2 mV/dec and overpotential of 280 mV for OER.•Ion modulation and synergistic effect facilitate barrier-free electron/ion transfer behavior.•Fe doping and unique porous nanostructure make it outperforms benchmark RuO2 catalyst.

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关键词

CoSe2@Fe-CoO electrocatalyst,Self-assembly hydrolysis,Ultrathin nanoframeworks,Oxygen evolution reaction,In-situ selenization

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