Cathode Characteristics of Co-3(PO4)(2)-Coated Li[Co0.1Ni0.15Li0.2Mn0.55]O-2 for Lithium Rechargeable Batteries

被引：1
|
作者：
Lee, Sang Hyo [1 ,2 ]
Kim, Kwang Man [2 ]
Koo, Bon Keup [1 ]
机构：
[1] Hanbat Natl Univ, Dept Mat Engn, Daejon 305719, South Korea
[2] Elect & Telecommun Res Inst ETRI, IT NT Grp, Ion Devices Team, Daejon 305700, South Korea
来源：
JOURNAL OF THE KOREAN CERAMIC SOCIETY | 2008年 / 45卷 / 02期
关键词：
Cathode material; Co-3(PO)(2); Electrochemical property; Lithium rechageable battery;
D O I：
10.4191/kcers.2008.45.2.112
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
To prepare the high-capacity cathode material with improved electrochemical performances, nanoparticles of Co-3(PO4)(2) were coated on the powder surface of Li[Co0.1Ni0.15Li0.2Mn0.55]O-2, which was already synthesized by simple combustion method. The coated powders after the heat treatment at > 700 degrees C surely showed well-structured crystalline property with nanoscale surface coating layer, which was consisted of LiCoPO4 phase formed from the reaction bwtween Co-3(PO4)(2) and lithium impurities. In addition, cycle performance was particularly improved by the Co-3(PO4) 2-coating for the cathode material for lithium rechargeable batteries.
引用
收藏
页码：112 / 118
页数：7
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