Bacterial cellulose reinforced polymer electrolytes for lithium-ion batteries

被引：2
|
作者：
Huang, Ying [1 ]
Li, Chao [1 ]
Feng, Xuansheng [2 ]
机构：
[1] Northwestern Polytech Univ, Sch Chem & Chem Engn, MOE Key Lab Mat Phys & Chem Extraordinary Condit, Minist Educ, Xian 710072, Peoples R China
[2] Qilu Univ Technol, Adv Mat Inst, Shandong Acad Sci, Shandong Prov Key Lab High Strength Lightweight M, Jinan 250014, Peoples R China
来源：
MATERIALS LETTERS | 2022年 / 311卷
关键词：
Polymeric composites; Electrolyte; Li plus -ion conductivity; Functional;
D O I：
10.1016/j.matlet.2021.131623
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A sandwich-like polyethylene oxide (PEO)-based polymer electrolyte membrane with a thickness of only 60 mu m is fabricated. The electrolyte is composed of a porous bacterial cellulose (BC) membrane, polymer matrix and lithium salt, fabricated by only one-step approach. The BC membrane provides strong mechanical property and physically prevents the lithium dendrite from unrestricted growth. Meanwhile, the presence of polar small molecule organics can not only increase the flexibility of polymer chain segments to enhance ion transport capacity, but also obtain a "soft contact" between the electrolyte-electrode. The BPP60% electrolyte shows enhanced electrochemical performance and LiFePO4/Li cell processes reliable charge-discharge cycle performance.
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页数：4
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