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Use of Submicron Carbon Filaments in Place of Carbon Black as a Porous Reduction Electrode in Lithium Batteries With a Catholyte Comprising Bromine Chloride in Thionyl Chloride

Published online by Cambridge University Press:  15 February 2011

Christine A. Frysz ,
Xiaoping Shui  and
D. D. L. Chung
Christine A. Frysz
Affiliation:
Wilson Greatbatch, Ltd., 10, 000 Wehrle Drive, Clarence, New York 14031
Xiaoping Shui
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, New York 14260-4400
D. D. L. Chung
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, New York 14260-4400
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Abstract

Submicron carbon filaments used in place of carbon black as porous reduction electrodes in carbon limited lithium batteries in plate and jellyroll configurations with the BCX (bromine chloride in thionyl chloride) catholyte gave a specific capacity (at 2 V cut-off) of up to 8700 mAh/g carbon, compared to a value of up to 2900 mAh/g carbon for carbon black. The high specific capacity per g carbon (demonstrating superior carbon efficiency) for the filament electrode is partly due to the filaments' processability into sheets as thin as 0.2 mm with good porosity and without a binder, and partly due to the high catholyte absorptivity and high rate of catholyte absorption of the filament electrode.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 393: Symposium W – Materials for Electrochemical Energy Storage and Conversion , 1995 , 367
Copyright
Copyright © Materials Research Society 1995

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References

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