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

页码：112 / 118

页数：7

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