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

被引：109

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

页码：147 / 155

页数：9

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