V2O5 XEROGEL FILMS AS INTERCALATION HOSTS FOR LITHIUM .1. INSERTION STOICHIOMETRY, SITE CONCENTRATION, AND SPECIFIC ENERGY

被引：147
作者：
PARK, HK [1 ]
SMYRL, WH [1 ]
WARD, MD [1 ]
机构：
[1] UNIV MINNESOTA,CORROS RES CTR,DEPT CHEM ENGN & MAT SCI,MINNEAPOLIS,MN 55455
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1995年 / 142卷 / 04期
关键词：
D O I：
10.1149/1.2044133
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Li is intercalated into V2O5 (XRG) films up to a stoichiometry of 3.3 moles Li/mole V2O5 (XRG) (3.8 < V vs. Li less than or equal to 1.9). The spin-coated films are highly reversible hosts for Li and do not support cointercalation of solvent molecules. The specific energy (1137 Wh/kg), and specific capacity (1682 C/g) are higher than any reported previously for V2O5 xerogel materials or for other vanadium oxides. It is noted that V2O5 (XRG) resembles amorphous V2O5 modified to some extent by the ordered arrangement of ribbons and fibrils in the dried films.
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页码：1068 / 1073
页数：6
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