Development of high power lithium-ion batteries: Layer Li[Ni0.4Co0.2Mn0.4]O2 and spinel Li[Li0.1Al0.05Mn1.85]O4

被引：16

作者：

Myung, Seung-Taek ^{[1
]}

Lee, Ki-Soo ^{[2
]}

Sun, Yang-Kook ^{[2
]}

Yashiro, Hitoshi ^{[1
]}

机构：

[1] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan

[2] Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea

来源：

JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 16期

关键词：

Li[Ni0.4Co0.2Mn0.4]O-2; Li[Li0.1Al0.05Mn1.85]O-4; Positive electrode; Lithium; Battery; ELECTROCHEMICAL PROPERTIES; CATHODE MATERIALS; INSERTION MATERIAL; STABILITY; CR;

D O I：

10.1016/j.jpowsour.2010.09.012

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：

Layer Li[Ni0.4Co0.2Mn0.4]O-2 and lithium excess spinel Li[Li0.1Al0.05Mn1.85]O-4 were compared as positive electrode materials for high power lithium-ion batteries. Physical properties were examined by Rietveld refinement of X-ray diffraction pattern and scanning electron microscopic studies. From continuous charge and discharge tests at higher currents and different temperature environments using 3Ah class lithium-ion batteries, it was found that both materials presented plausible battery performances such as rate capability, cyclability at 60 degrees C at elevated temperature, and low temperature properties as well. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：7039 / 7043

页数：5

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