Smart construction of polyaniline shell on cobalt oxides as integrated core-shell arrays for enhanced lithium ion batteries

被引：16
作者：
Qi, Meili [1 ]
Xie, Dong [2 ]
Zhong, Yu [2 ]
Chen, Minghua [1 ]
Xia, Xinhui [2 ]
机构：
[1] Harbin Univ Sci & Technol, Minist Educ, Key Lab Engn Dielect & Applicat, Sch Appl Sci, Harbin 150080, Heilongjiang, Peoples R China
[2] Zhejiang Univ, Sch Mat Sci & Engn, Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2017年 / 247卷
基金：
中国博士后科学基金; 黑龙江省自然科学基金;
关键词：
Lithium ion batteries; Cobalt oxide; Core-shell structure; Polyaniline layer; Nanorod arrays; PERFORMANCE ANODE MATERIAL; NANOWIRE ARRAYS; CO3O4;
D O I：
10.1016/j.electacta.2017.07.031
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Smart construction of advanced anode materials is extremely critical to develop high-performance lithium ion batteries. In this work, we have reported a facile strategy for fabricating Co3O4/polyaniline (PANI) core-shell arrays (CSAs) by chemical bath deposition (CBD) + electrodeposition methods Electrodeposited PANI shell is intimately decorated on the CBD-Co3O4 nanorods forming composite CSAs. Highly conductive network and stress buffer layer are achieved with the aid of tailored PANI shell. Due to these advantages above, the designed Co3O4/PANI CSAS exhibit good electrochemical performance with higher reversible capacity (787 mAh g (1)) and better cycle stability than the unmodified Co3O4 counterpart. Our results show a new way for preparing advanced inorganic-organic composite electrodes for electrochemical energy storage. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：701 / 707
页数：7
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