Effect of Li3PO4 coating of layered lithium -rich oxide on electrochemical performance

被引：110
|
作者：
Chen, Dongrui [1 ,2 ]
Zheng, Feng [2 ]
Li, Liu [2 ]
Chen, Min [1 ]
Zhong, Xiaoxin [1 ]
Li, Weishan [1 ]
Lu, Li [2 ]
机构：
[1] South China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China
[2] Natl Univ Singapore, Dept Mech Engn, 9 Engn Dr 1, Singapore 117576, Singapore
来源：
JOURNAL OF POWER SOURCES | 2017年 / 341卷
关键词：
Layered lithium-rich oxide; Li3PO4 coating layer; Polydopamine; Capacity; Lithium ion battery; CATHODE MATERIALS; ION; ELECTRODES; PARTICLES; FACILE; ALF3; MN; NI;
D O I：
10.1016/j.jpowsour.2016.11.020
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：
A novel composite of layered lithium-rich oxide, Li-Rich@Li3PO4, coated with Li3PO4 is synthesized through polydopamine template method. Physical characterizations reveal that Li-Rich@Li3PO4 is composed of nanoparticles of 100-200 nm that are coated with a uniform Li3PO4 layer of about 5 nm in thickness. Galvanostatic charge/discharge tests demonstrate enhanced cycling stability and largely increased rate capability of the material after Li3PO4 coating. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：147 / 155
页数：9
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