Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Patent
1998-09-15
1999-07-20
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
320149, H02J 700
Patent
active
059260084
ABSTRACT:
The invention provides for a timesaving method of determining the capacity of a nickel cadmium (NiCd). A fully charged NiCd battery under is subjected to a positive sloped current charge ramp and then a negative sloped current charge ramp while continuously monitoring the battery terminal voltage. The voltage is plotted and the maximum slope of the measured terminal voltage determines l.sub.gas. The value of I.sub.gas is compared to a temperature calibration curve to determine the capacity of the battery under test.
REFERENCES:
patent: 4392101 (1983-07-01), Saar et al.
Palanisamy Thirumalai G.
Patel Alpesh
Rudai Patrick M.
Singh Harmohan
Allied-Signal Inc.
Luk Lawrence
Wong Peter S.
Yeadon Loria B.
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