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The Li-Ion Technology: Its Evolution From Liquid to Plastic

Published online by Cambridge University Press:  16 February 2011

J.M. Tarascon ,
C. Schmutz ,
A.S. Gozdz ,
P.C. Warren  and
F.K. Shokoohi
J.M. Tarascon
Affiliation:
Bellcore, 331 Newman Springs Road, Red Bank, NJ, 07701
C. Schmutz
Affiliation:
Bellcore, 331 Newman Springs Road, Red Bank, NJ, 07701
A.S. Gozdz
Affiliation:
Bellcore, 331 Newman Springs Road, Red Bank, NJ, 07701
P.C. Warren
Affiliation:
Bellcore, 331 Newman Springs Road, Red Bank, NJ, 07701
F.K. Shokoohi
Affiliation:
Bellcore, 331 Newman Springs Road, Red Bank, NJ, 07701
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Abstract

In 1992, Bellcore researchers demonstrated the feasibility of a liquidelectrolyte Li-ion system based on the Li1 + xMn2O4/C redox couple which presents cost and environmental advantages over the LiCoO2/C system. However, neither of these systems are free of the risk of electrolyte leakage. To address this problem, we investigated various means of trapping the liquid electrolyte in a polymer matrix and developed the first practical plastic Li-ion battery. In this paper we compare the performance and scaleability of this technology to those of its liquid Li-ion counterpart. Based on the “hybrid polymer” concept, this battery exhibits excellent cycle life (more than 2500 cycles) and good rate capabilities (the battery can deliver 95% of its total capacity at a 1C discharge rate). This technology is compatible with various positive (LiMn2O4, LiCoO2 and LiNiO2) and negative (carbon, graphite) electrode materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 369: Symposium U – Solid State Ionics IV , 1994 , 595
Copyright
Copyright © Materials Research Society 1995

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References

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