Lithium battery having a large capacity using Fe3O4 as a cathode material

被引：82

作者：

Ito, S ^{[1
]}

Nakaoka, K ^{[1
]}

Kawamura, A ^{[1
]}

Ui, K ^{[1
]}

Fujimoto, K ^{[1
]}

Koura, N ^{[1
]}

机构：

[1] Tokyo Univ Sci, Fac Sci & Technol, Dept Pure & Appl Chem, Noda, Chiba 2788510, Japan

来源：

JOURNAL OF POWER SOURCES | 2005年 / 146卷 / 1-2期

关键词：

lithium battery; Fe3O4; nanoparticle; high capacity;

D O I：

10.1016/j.jpowsour.2005.03.130

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：

The lithium battery using Fe3O4 fine particles has been constructed. The discharge characteristics were improved by the addition of India ink or polyvinyl alcohol (PVA). The discharge potential at 60 degrees C maintained 2.5 V versus Li/Li+ up to 500 mAh g(-1) and was 1.8 V at a large capacity of 926 mAh g(-1). The possibility of secondary battery was discussed from the result of cycling test with 926 mAh g(-1). Similar potential curve was obtained in the second cycle. Although degradation was observed in the third cycle, cyclability was maintained. However, the test cell stopped in fourth discharge. It is concluded that a, large capacity was achieved at 60 degrees C using fine particles of Fe3O4 with PVA additive. According to the cycling test, it is expected to be a secondary battery by further development in nanostructure of the cathode. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：319 / 322

页数：4

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