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Adaptive protection for PEO-based solid electrolyte with chelation of triphenyl phosphite and LiNi0.8Co0.1Mn0.1O2
Nan Wang1,2, Yong An3, Shengping Wang1
1Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China. spwang@cug.edu.cn.
Chemical Communications (Cambridge, England)
|December 14, 2022
Abstract:
A PEO-based SPE modified by TPPi has a wide electrochemical window and exhibits excellent electrochemical performance. O and P, with lone pairs of electrons in TPPi, are easily chelated with the Ni with empty orbitals in LiNi0.8Co0.1Mn0.1O2, which inhibits Ni/Li cationic disordering and weakens the oxidation of PEO-based electrolytes by Ni4+.
