Apparatus and method for charging battery cells

Apparatus for charging a battery cell (4), said device comprising current control means (2) for delivering a charging current until a predetermined charging voltage value is reached, a charging statusdetector (2,6) devised to sense a charging parameter value, and charging control means arranged to t...

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Bibliographic Details
Main Authors KALOGEROPOULOS SARANDIS, SVENSSON JAN-OLOF, L. ESTRADE CHRISTIAN, WOLF MATS
Format Patent
LanguageChinese
English
Published 24.02.2010
Subjects
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
SYSTEMS FOR STORING ELECTRIC ENERGY
TESTING
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Summary:Apparatus for charging a battery cell (4), said device comprising current control means (2) for delivering a charging current until a predetermined charging voltage value is reached, a charging statusdetector (2,6) devised to sense a charging parameter value, and charging control means arranged to terminate charging dependent on a predetermined charging criteria related to said charging parameter. The charging criteria is a charge level value, wherein said charging control means comprises a charging control device (1) for establishing a charge measurement value by integrating said measurementof charging current over charging time, and a charging terminator (5) devised to terminate charging dependent on said charge measurement value and said charge level value.
Bibliography:Application Number: CN200480005686