A high energy Li-ion battery based on nanosized LiNi0.5Mn1.5O4 cathode material

被引：44

作者：

Arrebola, Jose C. ^{[1
]}

Caballero, Alvaro ^{[1
]}

Hernan, Lourdes ^{[1
]}

Morales, Julian ^{[1
]}

机构：

[1] Univ Cordoba, Dept Quim Inorgan & Ingn Quim, E-14071 Cordoba, Spain

来源：

JOURNAL OF POWER SOURCES | 2008年 / 183卷 / 01期

关键词：

nanometric spinel; high voltage; lithium batteries; MCMB;

D O I：

10.1016/j.jpowsour.2008.04.036

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：

The electrochemical performance of a Li-ion battery made from nanometric, highly crystalline LiNi0.5Mn1.5O4 as positive electrode and mesoporous carbon microbeads (MCMBS) as negative electrode was assessed. The best performance was obtained by using a slight excess of spinet (a cathode/anode mole ratio of 1.3) and lithium bis-oxalate borate (LiBOB) instead of LiPF6 as an electrolyte salt. Higher spinet contents caused the formation of metallic Li in the carbon and the rapid degradation of battery performance as a result. The calculated output energy was 322 Wh kg(-1) which is higher than the value reported for the LiMn2O4/C cell (250Wh kg(-1)). (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：310 / 315

页数：6

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