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"Fuel Gage" for Electric VehiclesGas-emmission and time-integrated-current measurements indicate battery charge state. Tests indicate possibility of monitoring state of charge of lead/acid batteries at any stage in charging cycle by measuring charging current and either gas evolution or electrode potential. Data then processed by microcomputer. Uses include cell voltage, cell pressure, cell temperature and rate of gas recombination on catalyst.
Document ID
19830000277
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Rowlette, J. J.
(CALTECH)
Date Acquired
August 11, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-15759
Accession Number
83B10277
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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