Li3V2(PO4)3/C composite with hollow coaxial structure for high-capacity and high-rate performance in lithium-ion batteries

被引：10

作者：

Li, Yonghai ^{[1
]}

Xiang, Kaixiong ^{[1
]}

Zhou, Wei ^{[1
]}

Zhu, Yirong ^{[1
]}

Xiao, Li ^{[1
]}

Chen, Xianhong ^{[1
]}

Chen, Han ^{[1
]}

机构：

[1] Hunan Univ Technol, Sch Met & Mat Engn, Zhuzhou 412007, Hunan, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 216卷

关键词：

Composite materials; Lithium-ion batteries; Cotton fibers; Hollow coaxial structure; Cathode materials; CATHODE MATERIAL; ANODE;

D O I：

10.1016/j.matlet.2017.12.136

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Li3V2(PO4)(3)/C composite with hollow coaxial structure has been successfully synthesized via a facile repeated immersion method induced by cotton fibers. The morphologies, structures and properties are investigated by X-ray diffractometer, scanning electron microscopy and galvanostatic charge-discharge tests. Li3V2(PO4)(3)/C composite displays a unique hollow coaxial structure constructed by hollow carbon fibers filled with Li3V2(PO4)(3)/C particles inside and coated by Li3V2(PO4)(3)/C layer outside. Li3V2(PO4)(3)/C composite exhibits good rate performance with a specific capacity of 115.7 mAh g(-1) at 15 C rate between 3.0 and 4.3 V. The improved properties can be attributed to the formation for hollow coaxial structure. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：46 / 49

页数：4

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