Synthesis and electrochemical properties of a new vanadyl phosphate:: Li4VO(PO4)2

被引：18
|
作者：
Kishore, M. Satya
Pralong, V.
Caignaert, V.
Varadaraju, U. V.
Raveau, B.
机构：
[1] CNRS, Lan CRISMAT, UMR 6508, ENSICAEN, F-14050 Caen, France
[2] Indian Inst Technol, Mat Sci Res Ctr, Madras 600036, Tamil Nadu, India
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2006年 / 8卷 / 10期
关键词：
Li4VO(PO4)(2); ion exchange; cathode material; Li-ion battery;
D O I：
10.1016/j.elecom.2006.07.028
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The exchange of lithium for proton in VO(H2PO4)(2) has been studied. Beside the continuous exchange from VO(H2PO4)(2) to Li2H2-VO(PO4)(2), a new cathode material Li4VO(PO4)(2) has been synthesized, whose structure is closely related to that of VO(H2PO4)(2). The electrochemical evaluation of Li4VO(PO4)(2) VS. Li shows that it undergoes reversible lithium deintercalation/intercalation at high voltage, similar to 4.0 V with a reversible capacity of similar to 70 mAh/g. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1558 / 1562
页数：5
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