Revealing interfacial space charge storage of Li+/Na+/K+ by operando magnetometry

Xiangkun Li,Jie Su,Zhaohui Li,Zhiqiang Zhao,Fengling Zhang,Leqing Zhang,Wanneng Ye,Qinghao Li,Kai Wang,Xia Wang,Hongsen Li,Han Hu,Shishen Yan,Guo-Xing Miao,Qiang Li

Science Bulletin（2022）

引用 23|浏览12

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摘要

In this work, we revealed the interfacial space charge storage M+ (Li+/Na+/K+) by operando magnetometry, abundant M+ can be stored at M2Se phase while electrons accumulate at Fe nanoparticles, forming interfacial space charge layers.

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关键词

Operando magnetometry,Interfacial space charge storage,Alkali metal ions batteries,Kinetics,FeSe2

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