A new strategy of molecular overcharge protection shuttles for lithium ion batteries

被引：12
|
作者：
Wang, Qing [1 ]
Zakeeruddin, Shaik M. [1 ]
Exnar, Ivan [2 ]
Graetzel, Michael [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland
[2] HPL SA, CH-1015 Lausanne, Switzerland
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2008年 / 10卷 / 04期
关键词：
lithium ion batteries; overcharge protection; redox molecules;
D O I：
10.1016/j.elecom.2007.11.020
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The conventional strategy of overcharge protection for lithium ion batteries uses redox molecules having oxidation potential higher than the cathodic materials in the electrolyte. Here we propose a novel approach by using redox molecules having reduction potentials lower than the anodic materials. This new approach is successfully demonstrated in TiO2/LiCoO2 and TiO2/LiFePO4 cells by using benzophenone molecule. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：651 / 654
页数：4
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