Electrodes with high power and high capacity for rechargeable lithium batteries

被引：2486

作者：

Kang, KS

Meng, YS

Bréger, J

Grey, CP

Ceder, G

机构：

[1] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[2] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

[3] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

来源：

SCIENCE | 2006年 / 311卷 / 5763期

关键词：

D O I：

10.1126/science.1122152

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

New applications such as hybrid electric vehicles and power backup require rechargeable batteries that combine high energy density with high charge and discharge rate capability. Using ab initio computational modeling, we identified useful strategies to design higher rate battery electrodes and tested them on lithium nickel manganese oxide [Li(Ni0.5Mn0.5)O-2], a safe, inexpensive material that has been thought to have poor intrinsic rate capability. By modifying its crystal structure, we obtained unexpectedly high rate-capability, considerably better than lithium cobalt oxide (LiCoO2), the current battery electrode material of choice.

引用

收藏

页码：977 / 980

页数：4

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