Oriented carbon fiber/PEO functional modified polyethylene separator for high-performance lithium metal batteries

被引：4
|
作者：
Chen, Yifei [1 ]
Wang, Kaiming [1 ,2 ]
Zhang, Liang [1 ]
Guo, Weichang [1 ]
Li, Manni [1 ]
Liu, Jiawei [1 ]
Shen, Fei [1 ]
Han, Xiaogang [1 ,3 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, Key Lab Elect Insulat & Power Equipment, Xian 710049, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Future Technol, Xian 710049, Shaanxi, Peoples R China
[3] Natl Innovat Platform Ctr Ind Educ Integrat Energy, Xian, Peoples R China
来源：
MATERIALS LETTERS | 2023年 / 332卷
基金：
国家重点研发计划;
关键词：
Multilayer structure; Functional; Separator; Homogenize Li-ion flux; DEPOSITION;
D O I：
10.1016/j.matlet.2022.133511
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The commercialization of lithium (Li) metal batteries is largely hindered by serious safety hazards resulting from dendrite growth and huge volume change of Li metal anode. Herein, we propose a multifunctional oriented polyimide carbon (OPIC) fiber, polyethylene oxide (PEO) modified layer coated commercial polyethylene (PE) separator by doctor-blade casting to guide homogeneous Li deposition. Therefore, the deposited Li morphology becomes more uniform and denser. Owing to the improvement of the Li metal anode side, Li||LiFeO4 full cells assembled with OPIC/PEO@PE separators delivered a discharge capacity of 102.5 mA h g-1 at 1.0C after 200cycles.
引用
收藏
页数：4
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