Electrochemical properties of Li-Cr-Mn-O cathode materials for lithium secondary batteries

被引：18
|
作者：
Kim, KS
Lee, SW
Moon, HS
Kim, HJ
Cho, BW
Cho, WI
Choi, JB
Park, JW
机构：
[1] Hanyang Univ, Div Engn & Mat Sci, Seoul 133791, South Korea
[2] Korea Inst Sci & Technol, Nano Eco Res Ctr, Seoul 136791, South Korea
[3] Gyeongsang Natl Univ, Sch Basic Sci, Dept Earth & Environm Sci, Jinju 660701, South Korea
[4] Res Ctr Energy Convers & Storage, Seoul 151742, South Korea
来源：
JOURNAL OF POWER SOURCES | 2004年 / 129卷 / 02期
关键词：
Li2MnO3; LiCrO2; LiMnO2; solid solution; cathode; lithium battery;
D O I：
10.1016/j.jpowsour.2003.11.027
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：
Layered Li-Cr-Mn-O cathode materials related to the LiCrO2-LiMnO2-Li2MnO3 solid solution have been synthesized by the mixed-hydroxide method. The materials are characterized by X-ray diffraction (XRD) and electrochemical techniques. The XRD patterns reveal that samples are a solid solution of hexagonal and monoclinic structures. The most promising cathode material in terms of high capacity and stable cycling performance exhibits the average discharge capacity of 204 mAh g(-1) between 2.5 and 4.5 V versus Li/Li+. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：319 / 323
页数：5
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