Constructing Donor–Acceptor-Linked COFs Electrolytes to Regulate Electron Density and Accelerate the Li+ Migration in Quasi-Solid-State Battery

Constructing Donor–Acceptor-Linked COFs Electrolytes to Regulate Electron Density and Accelerate the Li+ Migration in Quasi-Solid-State Battery

Highlights Donor–acceptor-linked covalent organic framework (COF)-based electrolyte can not only fulfill highly-selective Li+ conduction, but also offer a crucial opportunity to understand the role of electronic density in quasi-solid-state Li metal batteries. Donor–acceptor-linked COF electrolyte r...

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Bibliographic Details
Main Authors: Genfu Zhao, Hang Ma, Conghui Zhang, Yongxin Yang, Shuyuan Yu, Haiye Zhu, Yongjiang Sun, Hong Guo
Format: Article
Language:English
Published: SpringerOpen 2024-09-01
Series:Nano-Micro Letters
Subjects:
Electronic modulation engineering
Donor–acceptor-linked covalent organic frameworks
Quasi-solid-state Li metal battery
Online Access:https://doi.org/10.1007/s40820-024-01509-y
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Summary:Highlights Donor–acceptor-linked covalent organic framework (COF)-based electrolyte can not only fulfill highly-selective Li+ conduction, but also offer a crucial opportunity to understand the role of electronic density in quasi-solid-state Li metal batteries. Donor–acceptor-linked COF electrolyte results in Li+ transference number 0.83, high ionic conductivity 6.7 × 10–4 S cm−1 and excellent cyclic ability in Li metal batteries. In situ characterizations, density functional theory calculation and time-of-flight secondary ion mass spectrometry are adopted to expound the mechanism of the rapid migration of Li+ in the “donor–acceptor” electrolyte system.
ISSN:2311-6706
2150-5551

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