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Feasibility study for a secondary Na/S batteryThe feasibility of a moderate temperature Na battery was studied. This battery is to operate at a temperature in the range of 100-150 C. Two kinds of cathode were investigated: (1) a soluble S cathode consisting of a solution of Na2Sn in an organic solvent and (2) an insoluble S cathode consisting of a transition metal dichalcogenide in contact with a Na(+)ion conducting electrolyte. Four amide solvents, dimethyl acetamide, diethyl acetamide, N-methyl acetamide and acetamide, were investigated as possible solvents for the soluble S cathode. Results of stability and electrochemical studies using these solvents are presented. The dialkyl substituted amides were found to be superior. Although the alcohol 1,3-cyclohexanediol was found to be stable in the presence of Na2Sn at 130 C, its Na2Sn solutions did not appear to have suitable electrochemical properties.
Document ID
19790009159
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Abraham, K. M. (EIC, Inc. Newton, MA, United States)
Schiff, R. (EIC, Inc. Newton, MA, United States)
Brummer, S. B. (EIC, Inc. Newton, MA, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1979
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-CR-159469
Accession Number
79N17330
Funding Number(s)
CONTRACT_GRANT: NAS3-21028
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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