A partially Fe-substituted perovskite electrode for enhancing Zn-CO2 batteries

Hailong Liao,Heping Xie,Shuo Zhai,Ling Fu,Yuan Zhang,Senran Hao,Bin Chen,Chuanxin He,Zongping Shao

CHEMICAL ENGINEERING JOURNAL（2023）

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摘要

•The Fe-doped cathode exhibited superior catalytic activity for CO2 reduction compared to pristine La0.5Sr0.5MnO3.•The incorporation of Fe into the unit cell increased its size and facilitated the CO2 reduction activity.•Fe substitution improves CO2 adsorption and decreased the energy barrier of the rate-determining step.•The Fe-doped cathode resulted in an increased maximum power density in the Zn-CO2 battery.

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关键词

Zn-CO2 battery,Perovskite catalyst,Faraday efficiency,In-situ Raman,Fe substitution

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