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

页数：4

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