A new metal-organic rotaxane framework for enhanced ion conductivity of solid-state electrolyte in lithium-metal batteries

被引：7
|
作者：
Li, Ying [2 ]
Xu, Yanjun [2 ]
Han, Xingqi [1 ]
Han, Di [2 ]
Wu, Xuesong [2 ]
Wang, Xinlong [1 ,2 ]
Su, Zhongmin [1 ,2 ,3 ]
机构：
[1] Hainan Univ, Sch Marine Sci & Engn, Sch Chem Engn & Technol, Hainan Prov Key Lab Fine Chem, Haikou 570228, Peoples R China
[2] Changchun Univ Sci & Technol, Jilin Prov Int Joint Res Ctr Photofunct Mat & Chem, Jilin Prov Sci & Technol Innovat Ctr Opt Mat & Che, Sch Chem & Environm Engn, Changchun 130022, Peoples R China
[3] Jilin Univ, Inst Theoret Chem, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130021, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2024年 / 35卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Cucurbit[6]urils; Metal-organic rotaxane frameworks; Ionic conduction; Solid-state electrolyte; Lithium-metal batteries;
D O I：
10.1016/j.cclet.2023.109189
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The composite polymer electrolyte has been obtained via incorporating LiCUST-701 (a new metal-organic rotaxane framework modified by Li+ ) into poly(ethylene oxide) (PEO) matrix and give a high ionic conductivity of 4.02 x 10-4 S/cm at 60 degrees C. DFT calculations were used to visualize the possible diffusion pathway of Li+ . The all-solid-state cell assembled with LiFePO4 , composite polymer electrolyte and lithium metal foil delivered with excellent cycling capability and stability even under high current densities. (c) 2024 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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页数：5
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