CMC as a binder in LiNi0.4Mn1.6O4 5V cathodes and their electrochemical performance for Li-ion batteries

被引：105

作者：

Wang, Zhongli ^{[1
]}

Dupre, Nicolas ^{[1
]}

Gaillot, Anne-Claire ^{[1
]}

Lestriez, Bernard ^{[1
]}

Martin, Jean-Frederic ^{[2
]}

Daniel, Lise ^{[2
]}

Patoux, Sebastien ^{[2
]}

Guyomard, Dominique ^{[1
]}

机构：

[1] Univ Nantes, Inst Mat Jean Rouxel, CNRS UMR 6502, Nantes, France

[2] CEA, LITEN, Grenoble, France

来源：

ELECTROCHIMICA ACTA | 2012年 / 62卷

关键词：

Lithium ion batteries; 5 V batteries; Binder; CMC; EIS; LITHIUM RECHARGEABLE BATTERIES; SI NEGATIVE ELECTRODES; CARBOXYMETHYL CELLULOSE; COMPOSITE ELECTRODES; LATTICE-VIBRATIONS; AQUEOUS-MEDIUM; ANODE MATERIAL; HIGH-CAPACITY; IMPEDANCE; INSERTION;

D O I：

10.1016/j.electacta.2011.11.094

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Aqueous processing would reduce the costs and toxicity associated with the making of the composite electrode. In the present study, carboxymethyl cellulose is used as a binder for 5V cathode material LiNi0.4Mn1.6O4. Compared with electrodes using polyvinylidene difluoride binder, CMC-based LiNi0.4Mn1.6O4 electrodes display a better discharge capacity at all rates. At 0.2 C, the discharge capacity is close to the theoretical capacity (146 mAh g(-1)) and the self-discharge is 10% lower. Polyvinylidene clifluoride can be efficiently replaced by carboxymethyl cellulose for LiNi0.4Mn1.6O4 in terms of electrochemical performance and brings the advantage of an environment friendly and low cost electrode processing. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：77 / 83

页数：7

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