期刊
JOURNAL OF POWER SOURCES
卷 138, 期 1-2, 页码 277-280出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2004.06.014
关键词
nanotube; lithium battery; carbon
In the near future, the portable power market will demand greater specific energy and power from lithium battery technology. These requirements cannot be met by conventional batteries or through extrapolation of the capabilities of conventional systems. New materials and systems must be developed to meet these stringent future requirements. Nanomaterials offer a new exciting alternative to the standard materials traditionally used for fabrication of batteries. The work described herein, deals with a novel approach to the use of nanomaterials in the electrodes of lithium-ion batteries. We have synthesized and chemically modified carbon nanotubes and subsequently tested these modified nanotubes as electrodes in small lithium batteries. This paper describes electrochemical characterization of the novel electrodes as well as determination of the specific energy of simple one-cell batteries containing these novel electrodes. We have been able to demonstrate a laboratory cell with a specific exceeding 600 Wh/kg and pulse power exceeding 3 kW/kg. (C) 2004 Elsevier B.V. All rights reserved.
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