Effect of fluorine on Li[Ni1/3Co1/3Mn1/3]O2-zFz as lithium intercalation material

被引：63

作者：

Kim, GH

Kim, MH

Myung, ST

Sun, YK ^{[1
]}

机构：

[1] Hanyang Univ, Ctr Informat & Commun Mat, Dept Chem Engn, Seoul 133791, South Korea

[2] VK Corp, Pyongtaek City 450090, Kyonggi Do, South Korea

来源：

JOURNAL OF POWER SOURCES | 2005年 / 146卷 / 1-2期

关键词：

flourine; high-temperature; co-precipitation;

D O I：

10.1016/j.jpowsour.2005.03.045

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：

Li[Ni1/3Co1/3Mn1/3]O2-zFz (x=0-0.15) were synthesized via a co-precipitation followed by a high-temperature heat treatment. Though the initial discharge capacities of Li[Ni1/3Co1/3Mn1/3]O2-zFz (x=0-0.15) is somewhat. smaller, capacity retention, rate capability, and thermal stability at highly oxidized state were significantly improved comparing to the undoped Li[Ni1/3Co1/3Mn1/3]O-2. Fluorine substitution for oxygen made it possible to use the cathode material at 4.6 V cut-off limit. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：602 / 605

页数：4

共 15 条

[1] Failure mechanism and improvement of the elevated temperature cycling of LiMn2O4 compounds through the use of the LiAlxMn2-xO4-zFz solid solution [J].