Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1993-09-20
1995-08-01
Kincaid, Kristine L.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 44, H02L 704
Patent
active
054382505
ABSTRACT:
A process for charging a multi-cell battery by the use of a battery recharging device and a device controlled by a microcontroller and containing a potential-free battery recharging device to analyze and optimize the charged state of a multi-cell battery, with a device for the switchable connection of selectable terminal voltages of battery sections or cells by means of a voltage measuring device. The microcontroller generates a charge current control signal for the battery recharging device which is calculated from the control algorithm of the microcontroller such that the voltage of the cell with the respectively highest terminal voltage is brought to and maintained at the level of a desired voltage value. Preferably the voltage threshold value is associated with the respective point in time of a characteristic charge curve recommended as being optimal for the type of cell used. Preferably, cells having a low charge state compared to their charge capacity, as determined by the voltage measuring device and microcontroller, are recharged individually and sequentially with a potential free recharging device during or after a main charging of the composite battery with the battery charger.
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Kincaid Kristine L.
Mentzer Electronic GmbH
Roberts Richard S.
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