Preparation and Ni-Doping Effect of Nanosized Truncated Octahedral LiCoMnO4 As Cathode Materials for 5 V Li-Ion Batteries

被引：37

作者：

Hu, Meng ^{[1
]}

Tian, Yuan ^{[1
]}

Su, Liwei ^{[1
]}

Wei, Jinping ^{[1
]}

Zhou, Zhen ^{[1
]}

机构：

[1] Nankai Univ, Synerget Innovat Ctr Chem Sci & Engn Tianjin, Tianjin Key Lab Met & Mol Based Mat Chem, Key Lab Adv Energy Mat Chem,Minist Educ,Inst New, Tianjin 300071, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 22期

关键词：

LiCoMnO4; lithium-ion batteries; cathodes; high voltage; doping; AIDED COMBUSTION METHOD; SPINEL CATHODES; SOLID-SOLUTIONS; RECENT PROGRESS; LITHIUM; OXYGEN; PERFORMANCE; POWER; CO;

D O I：

10.1021/am404250k

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

LiCoMnO4 with nanosized truncated octahedral structure was prepared via a modified sol gel route. The single-crystalline subunits grew completely without serious agglomeration. The growth mechanism was discussed in detail. The sample was tested as cathode materials for S V Li-ion batteries. Ni doping was also investigated to decrease the content of Mn3+ ions and the Mn dissolution, and then the decomposition of electrolyte was inhibited on the cathode surface. LiCo0.9Ni0.1MnO4 exhibited enhanced cyclic stability compared with the pristine LiCoMnO4.

引用

页码：12185 / 12189

页数：5

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