Nano Li4Ti5O12-LiMn2O4 batteries with high power capability and improved cycle-life

被引：89

作者：

Du Pasquier, Aurelien ^{[1
]}

Huang, C. C. ^{[2
]}

Spitler, Timothy ^{[3
]}

机构：

[1] Rutgers State Univ, Energy Storage Res Grp, Dept Mat Sci & Engn, N Brunswick, NJ 08902 USA

[2] Hosokawa Micron Int Inc, Hosokawa Micron Powder Syst, Summit, NJ 07901 USA

[3] Altair Nanotechnol Inc, Reno, NV 89502 USA

来源：

JOURNAL OF POWER SOURCES | 2009年 / 186卷 / 02期

基金：

美国国家科学基金会;

关键词：

LiMn2O4; Li4Ti5O12; Nanosized; Laminate; Li-ion battery; Carbon coating; TEMPERATURE PERFORMANCE; ION BATTERY; LIMN2O4; SPINEL; MECHANISM; FAILURE;

D O I：

10.1016/j.jpowsour.2008.10.018

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：

We report the effects of electrode thickness, cathode particle size and morphology, cathode carbon coating matching ratio and laminate structure on the electrochemical characteristics of nanosized Li4Ti5O12-LiMn2O4 batteries. We show that a correct adjustment of these parameters resulted in significant improvements in power capability and cycle-life of such devices, making them competitive, low-cost and safe battery chemistry for next generation Li-ion batteries. In addition, Li4Ti5O12 reversible specific capacity beyond three Li-ions intercalation is reported. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：508 / 514

页数：7

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