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Testing and analyses of electrochemical cells using frequency responseThe feasibility of electrochemical impedance spectroscopy as a method for analyzing battery state of health and state of charge was investigated. Porous silver, zinc, nickel, and cadmium electrodes as well as silver/zinc cells were studied. State of charge could be correlated with impedance data for all but the nickel electrodes. State of health was correlated with impedance data for two silver/zinc cells, one apparently good and the other dead. The experimental data were fit to equivalent circuit models.
Document ID
19920014194
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Norton, O. A., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Thomas, D. L. (Alabama Univ. Huntsville., United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1992
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
NASA-TM-103580
NAS 1.15:103580
Report Number: NASA-TM-103580
Report Number: NAS 1.15:103580
Accession Number
92N23437
Funding Number(s)
CONTRACT_GRANT: NAS8-36955
PROJECT: PROJ. 90-18
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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