LITHIUM INTERCALATION IN NA1+XV3O8 SYNTHESIZED BY A SOLUTION TECHNIQUE

被引：42

作者：

PASQUALI, M ^{[1
]}

PISTOIA, G ^{[1
]}

机构：

[1] CNR,CTR STUDIO ELETTROCHIM & CHIM FIS INTERFASI,ROME,ITALY

来源：

ELECTROCHIMICA ACTA | 1991年 / 36卷 / 10期

关键词：

RECHARGEABLE LI BATTERIES; ALKALINE BRONZES; LI+ INTERCALATION; LI+ DIFFUSION; IMPEDANCE;

D O I：

10.1016/0013-4686(91)85005-R

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Na1+xV3O8 has been synthesized with a simple precipitation technique. Its performance as a cathode for rechargeable Li cells is far superior to that of the analogous material perpared at high temperature in terms of specific capacity and rate capability. As a result of the possibility of intercalating about 4.5 Li+ mol-1, low temperature Na1+xV3O8 has a theoretical energy density of 900 Wh kg-1. The diffusion coefficients, measured by impedance spectroscopy, have values of 10(-8)-10(-9) cm2 s-1, this matching the fast kinetics observed. A comparison is made of the performance of this new material with that of Li1+xV3O8 prepared with the same technique.

引用

页码：1549 / 1553

页数：5

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