Electrochemical properties of nanostructured Li1.2V3O8 in aqueous LiNO3 solution

被引：12
|
作者：
Stojkovic, Ivana [1 ]
Cvjeticanin, Nikola [1 ]
Mitric, Miodrag [2 ]
Mentus, Slavko [1 ]
机构：
[1] Univ Belgrade, Fac Phys Chem, Belgrade, Serbia
[2] Vinca Inst Nucl Sci, Belgrade 11158, Serbia
来源：
ELECTROCHIMICA ACTA | 2011年 / 56卷 / 18期
关键词：
Aqueous Li-ion battery; Galvanostatic cycling; Li1.2V3O8; Li-ion insertion; Soft-chemistry synthesis; CATHODE MATERIAL; LIV3O8; PERFORMANCE; BATTERY; IMPROVEMENT; BEHAVIOR; LIMN2O4;
D O I：
10.1016/j.electacta.2011.04.129
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The amorphous hydrated precursor of Li1.2V3O8 was synthesized by soft chemistry method, and then heat-treated in air at several temperatures within the range 200-400 degrees C. The heat-treatment changed its morphological, structural and charging/discharging performance. The product obtained upon the treatment at 300 degrees C. consisting of uniform, rod-shaped particles, 100-150 nm in diameter and 300-800 nm in length, displayed the best electrochemical performance in aqueous LiNO3 solution. Its initial discharge capacity amounted to 136.8 mAh g(-1) at a rate of C/5, which upon 50 charging/discharging cycles decreased for only 12%. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6469 / 6473
页数：5
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