Synthesis and electrochemical properties of Li[Li0.07Ni0.1Co0.6Mn0.23]O2 as a possible cathode material for lithium-ion batteries

被引：32

作者：

Jeong, Soo Kyung

Song, Chi-Hoon

Nahm, Kee Suk ^{[1
]}

Stephan, A. Manuel

机构：

[1] Chonbuk Natl Univ, Sch Chem Engn & Technol, Chonju 561756, South Korea

[2] Cent Electrochem Res Inst, Karaikkudi 630006, Tamil Nadu, India

来源：

ELECTROCHIMICA ACTA | 2006年 / 52卷 / 03期

关键词：

sol-gel method; chelating agent; XRD; SEM; charge-discharge studies;

D O I：

10.1016/j.electacta.2006.06.024

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The layered Li[Li0.07Ni0.1Co0.6Mn0.23]O-2 materials were synthesized by sol-gel method with glycine or citric acid as chelating agent. The prepared materials were characterized by means of XRD, SEM and Raman spectroscopy. Li/Li[Li0.07Ni0.1Co0.6Mn0.23]O-2 cells were assembled and subjected to charge-discharge studies at different C rates, viz 0.2, 1, 2 and 4 C. Although the samples showed less discharge capacity at 4 C rate the fade in capacity per cycle is lesser than that of capacity fade at 0.2 C rate. The citric acid assisted sample is found to be superior in terms of discharge capacity, capacity retention rate and also in thermal stability to that of sample prepared with glycine as chelating agent. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：885 / 891

页数：7

共 34 条

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