Integrated Charge Transfer in Li3V2(PO4)3/C for High-Power Li-Ion Batteries

被引：4

作者：

Zhang, Xianghua ^{[1
]}

Chen, Dong ^{[1
]}

Liu, Yipei ^{[1
]}

Han, Weiwei ^{[1
]}

Chu, Huaqiang ^{[1
]}

Rui, Xianhong ^{[1
,2
]}

机构：

[1] Anhui Univ Technol, Sch Energy & Environm, Maanshan 243002, Anhui, Peoples R China

[2] Nankai Univ, Minist Educ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 11期

基金：

美国国家科学基金会;

关键词：

lithium ion battery; lithium vanadium phosphate; 3D carbon network; nanocomposite; high-power; CARBON-THERMAL REDUCTION; CATHODE MATERIALS; LONG-LIFE; PERFORMANCE; NANOCOMPOSITE; COMPOSITE;

D O I：

10.20964/2017.11.26

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

To improve the charge transfer kinetics in monoclinic Li3V2(PO4)(3) (LVP), LVP nanoparticles with sizes ranging from 100 to 200 nm that were completely encapsulated in amorphous carbon networks (LVP/C) are synthesized by a facile sol-gel method using two carbon sources of citric acid and span80 (C24H44O6). Span80, possessing strongly hydrophilic functional groups, is essential for the formation of the three-dimensional conductive carbon matrix. When applied as the cathode for Li-ion batteries, LVP/C nanocomposite displays an excellent cycling stability and rate capability, e.g., delivering the capacity of 85 mAh g(-1) at the high rate of 30 C.

引用

页码：9925 / 9932

页数：8

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