METHOD AND DEVICE FOR MONITORING A STATE OF AT LEAST ONE PREDETERMINED BATTERY CELL OF A BATTERY

A method for monitoring a state of at least one predetermined battery cell of a battery having a number of series-connected or series-connectable battery cells. In one example, the method includes placing the battery, during a first phase, into a first state in which the battery cells in each case h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FRIEDRICH, Marco, SPRINGER, Bernhard
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A method for monitoring a state of at least one predetermined battery cell of a battery having a number of series-connected or series-connectable battery cells. In one example, the method includes placing the battery, during a first phase, into a first state in which the battery cells in each case have a predefined charging state, discharging the battery, which is in the first state, during a second phase following the first phase, charging the battery during a third phase, following the second phase, up to a point in time at which at least one battery cell of the battery has the predefined charging state, detecting the voltage provided by the at least one predetermined battery cell at least temporarily, and determining information for detecting the state of the at least one predetermined battery cell by evaluating the detected voltage.