Molecule-Level Multiscale Design of Nonflammable Gel Polymer Electrolyte to Build Stable SEI/CEI for Lithium Metal Battery

IF 26.6 1区材料科学 Q1 Engineering

Nano-Micro Letters Pub Date : 2024-09-27 DOI:10.1007/s40820-024-01508-z

Qiqi Sun, Zelong Gong, Tao Zhang, Jiafeng Li, Xianli Zhu, Ruixiao Zhu, Lingxu Wang, Leyuan Ma, Xuehui Li, Miaofa Yuan, Zhiwei Zhang, Luyuan Zhang, Zhao Qian, Longwei Yin, Rajeev Ahuja, Chengxiang Wang

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Abstract

Highlights

Nonflammable gel polymer electrolyte (SGPE) is developed by in situ polymerizing trifluoroethyl methacrylate (TFMA) monomers with flame-retardant triethyl phosphate (TEP) solvents and LiTFSI–LiDFOB dual lithium salts.
Molecular polarity interaction between TEP and PTFMA mitigates interfacial reactions and changes the solvation of Li⁺.
SGPE forms stable inorganic-rich solid electrolyte interface/cathode electrolyte interface layer, exhibiting well compatibility with Li anode and LiCoO₂-type high-voltage cathode.

Abstract Image

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分子级多尺度设计不易燃凝胶聚合物电解质，为锂金属电池构建稳定的 SEI/CEI

通过将甲基丙烯酸三氟乙酯（TFMA）单体与阻燃性磷酸三乙酯（TEP）溶剂和 LiTFSI-LiDFOB 双锂盐原位聚合，开发出了不易燃凝胶聚合物电解质（SGPE）。SGPE 形成了稳定的富无机固体电解质界面/阴极电解质界面层，与锂正极和 LiCoO2 型高压阴极具有良好的兼容性。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

32.60

自引率

4.90%

发文量

981

审稿时长

1.1 months

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.