Fluoride phosphate Li2COPO4F as a high-voltage cathode in Li-ion batteries

被引：119
|
作者：
Okada, S [1 ]
Ueno, M [1 ]
Uebou, Y [1 ]
Yamaki, J [1 ]
机构：
[1] Kyushu Univ, Inst Mat Chem & Engn, Kasuga, Fukuoka 8168580, Japan
来源：
JOURNAL OF POWER SOURCES | 2005年 / 146卷 / 1-2期
关键词：
fluoride phosphate; high-voltage cathode; lithium-ion battery;
D O I：
10.1016/j.jpowsour.2005.03.149
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：
As a new high-voltage cathode candidate for post 4 V cathodes, ordered-olivine LiCOPO4 and fluoride phosphate, Li2CoPO4F were synthesized by solid-state reaction. Their structures were identified by neutron diffraction. The 5 V discharge profiles were demonstrated using coin-type cells. Two important issues for commercial use, metal dissolution and oxygen release at elevated temperatures, were also tested with an atomic absorption spectrophotometer and differential scanning calorimeter, respectively. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：565 / 569
页数：5
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