Nano-particle Li4Ti5O12 spinel as electrode for electrochemical generators

被引：202

作者：

Guerfi, A

Sévigny, S

Lagacé, M

Hovington, P

Kinoshita, K

Zaghib, K

机构：

[1] Inst Rech Hydro Quebec, Varennes, PQ J3X 1S1, Canada

[2] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA

来源：

JOURNAL OF POWER SOURCES | 2003年 / 119卷

关键词：

electrochemical generators; solid-state reaction; zero strain; nano particles; Li4Ti5O12;

D O I：

10.1016/S0378-7753(03)00131-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Li4Ti5O12 was obtained by solid-state reaction of a ternary precursor mixture, TiO2, Li2CO3 and carbon. The influences of the reaction time, temperature and mixing method on the electrochemical performance of Li4Ti5O12 were investigated. Electrochemical measurements and XRD diffraction characterization were used to determine the reversible capacity and TiO2 residue in the final powder, respectively. Between 1.2 and 2.0 V versus Li, a reversible capacity as high as 165 mAh/g at 7.3 mA/g was obtained. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：88 / 94

页数：7

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