Porous Co3O4@TiO2 core-shell nanofibers as advanced anodes for lithium ion batteries

被引：40
|
作者：
Tong, Xiaoling [1 ]
Zeng, Min [1 ]
Li, Jing [1 ]
Liu, Zhanjun [2 ]
机构：
[1] Southwest Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621010, Peoples R China
[2] Chinese Acad Sci, Inst Coal Chem, Key Lab Carbon Mat, Taiyuan 030001, Shanxi, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 723卷
关键词：
Co3O4; TiO2; Porous core-shell nanofibers; Li-ion batteries; Anode; DOPED CARBON; TIO2; NANOSTRUCTURES; NANOCOMPOSITES; NANOPARTICLES; NANOSPHERES; NANOWIRES; NANOTUBES; CAPACITY; ARRAYS;
D O I：
10.1016/j.jallcom.2017.06.209
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Metal oxide materials possess splendid application prospect in lithium ions battery. In this work, one-dimensional porous Co3O4@TiO2 core-shell nanofibers (Co3O4@TiO2 CSNFs) electrode material is synthesized via a convenient hydrothermal method combined with hydrolysis method. This novel structure with sufficient available space would buffer the volume variation of Co3O4 and facilitate the mobility of Li+ during cycling, which endows Co3O4@TiO2 CSNFs with excellent electrochemical performances, such as good cyclability (632 mAh g(-1) at 0.2 C and 525 mAh g(-1) at 0.5 C after 100 cycles) and superior rate performance (similar to 359 mAh g(-1) at 2 C). (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：129 / 138
页数：10
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