PVP-derived carbon nanofibers harvesting enhanced anode performance for lithium ion batteries

被引：22

作者：

Dong, Litian ^{[1
]}

Wang, Guowen ^{[2
]}

Li, Xifei ^{[1
]}

Xiong, Dongbin ^{[1
]}

Yan, Bo ^{[1
]}

Chen, Baoxian ^{[1
]}

Li, Dejun ^{[1
]}

Cui, Yanhua ^{[3
]}

机构：

[1] Tianjin Normal Univ, Coll Phys & Mat Sci, Energy & Mat Engn Ctr, Tianjin 300387, Peoples R China

[2] Beijing Aerosp Prop Inst, Beijing 100076, Peoples R China

[3] CAEP, Inst Elect Engn, Mianyang 621900, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ELECTROCHEMICAL PERFORMANCE; ELECTRODES; FIBERS; NANOCOMPOSITE; NANOPARTICLES; NANOTUBES; COMPOSITE; EVOLUTION; DIAMETER; CATHODES;

D O I：

10.1039/c5ra23924a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Co-embedded carbon nanofibers were synthesized using electrospinning with polyvinylpyrrolidone (PVP) instead of high cost polyacrylonitrile (PAN). The obtained composite nanofibers as an anode material for lithium ion batteries deliver a reversible capacity of 542.6 mA h g(-1) in the 100th cycle at a current density of 100 mA g(-1). Moreover, the anode material shows better cycle performance and rate capability in comparison to the resultant product without Co additive. It is believed that the significant improvement is attributed to the nanofiber morphology with high surface-to-volume ratio as well as the existence of Co nanoparticles that enhance the electrical conductivity of the nanocomposites.

引用

页码：4193 / 4199

页数：7

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