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Investigation of Tin-Graphite Composite Anodes for Rechargeable Lithium Ion Battery

Published online by Cambridge University Press:  10 February 2011

E. Dayalan
E. Dayalan*
Affiliation:
Advanced Electrochemical Systems Operation, Eagle-Picher Technologies, LLC P. O. Box 47, Joplin, MO 64802
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Abstract

Two tin-graphite composite electrodes (27.8 % and 44.4 % tin) were evaluated for their use as high capacity anodes in rechargeable lithium ion cells. The initial charge capacities of these two electrodes were 520 mAh/g and 590 mAh/g, respectively. Cyclic voltammetry and charge-discharge cycling studies point to the alloy formation reaction between tin and lithium being the main contributing factor to the increased capacity. The capacity of these electrodes decreases with cycling but maintains considerably higher capacity than graphite electrode with same number of cycles. The development of optimized tin-graphite composite electrodes with much higher capacity than graphite electrodes looks promising.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 548: Symposia EE – Solid State Ionics V , 1998 , 57
Copyright
Copyright © Materials Research Society 1999

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References

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