Enhanced cycling stability of Li-rich nanotube cathodes by 3D graphene hierarchical architectures for Li-ion batteries

被引：28
|
作者：
Ma, Dingtao [1 ]
Li, Yongliang [1 ]
Wu, Maosheng [1 ]
Deng, Libo [1 ]
Ren, Xiangzhong [1 ]
Zhang, Peixin [1 ]
机构：
[1] Shenzhen Univ, Sch Chem & Environm Engn, Shenzhen 518060, Guangdong, Peoples R China
来源：
ACTA MATERIALIA | 2016年 / 112卷
基金：
中国国家自然科学基金;
关键词：
Li1.2Mn0.54Ni0.13Co0.13O2; nanotubes; Reduced graphene oxide nanosheets; Electrospinning; Cathode; SURFACE MODIFICATION; LAYERED OXIDE; ELECTROCHEMICAL PERFORMANCES; NANOFIBER COMPOSITES; LITHIUM; STORAGE; CATALYSTS; ELECTRODE; CAPACITY;
D O I：
10.1016/j.actamat.2016.04.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A hybrid composite of Li1.2Mn0.54Ni0.13Co0.13O2 nanotubes (LMNCO NTs) wrapped with reduced graphene oxide (RGO) nanosheets (LMNCO@RGO) was prepared as cathode for lithium-ion batteries. The discharge capacity of the LMNCO@RGO composite is only reducing 3.5% after 100 cycles at 1 C. Such composite which simultaneously combines a high surface area of LMNCO NTs with shorten ionic diffusion pathway and high conductivity of 3D graphene hierarchical architectures as well as structural protection layers, displaying a good cycling stability. (C)- 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：11 / 19
页数：9
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