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Design considerations for advanced battery concepts

Author
Thaller, L. H.
Published
JAN 1, 1986.
Physical Description
1 electronic document
Additional Creators
Leibecki, H. F.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
A mathematical representation for the charge and discharge of a sodium-sulfur cell is developed. These equations are then used as the basis for a computerized model to examine the effects of cell arrangement in the design of a large multi-kilowatt battery from a group of hypothetical individual cells with known variations in their ampere hour capacity and internal resistance. The cycling characteristics of 216 individual cells arranged in six different configurations are evaluated with the view towards minimizing the adverse effects that are introduced due to the stoichastic aspects of groupings of cells, as well as the possibility of cell failures in both the open and shorted mode. Although battery systems based on sodium-sulfur cells are described in this example, any of the newer electrochemical systems can be fitted into this framework by making appropriate modifications to the basic equations.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19860022509.
Accession ID: 86N31981.
E-3055.
NAS 1.15:87319.
NASA-TM-87319.
Space Systems Technology Conference; 9-12 Jun. 1986; San Diego, CA; United States.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15701705