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Preparation and Characterization of Nanostructured FeS2 and CoS2 for High-Temperature Batteries

Published online by Cambridge University Press:  01 February 2011

Ronald A. Guidotti ,
Frederick W. Reinhardt ,
Jinxiang Dai  and
David E. Reisner
Ronald A. Guidotti
Affiliation:
Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185-0614
Frederick W. Reinhardt
Affiliation:
Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185-0614
Jinxiang Dai
Affiliation:
US Nanocorp®, Inc., 74 Batterson Park Rd., Farmington, CT 06032
David E. Reisner
Affiliation:
Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185-0614
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Abstract

In this paper, we report on the preparation of synthetic FeS2 and CoS2 using a relatively inexpensive aqueous process. This avoids the material and handling difficulties associated with a high-temperature approach. An aqueous approach also allows ready scale-up to a pilot-plant size facility. The FeS2 and CoS2 were characterized with respect to their physical and chemical properties. The synthetic disulfides were incorporated into catholyte mixes for testing in single cells and batteries over a range of temperatures. The results of these tests are presented and compared to the performance of natural FeS2 (pyrite) and a commercial source of CoS2.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 730: Symposium V – Materials for Energy Storage, Generation, and Transport , 2002 , V7.3
Copyright
Copyright © Materials Research Society 2002

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References

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