METHOD FOR CONTROLLING A TEMPERATURE OF A BATTERY CELL

METHOD FOR CONTROLLING A TEMPERATURE OF A BATTERY CELL

The present invention relates to a method for controlling a temperature of a battery cell (22, 24) in a battery module (20), the method comprising the steps of: determining an initial temperature of the battery cell (22, 24); measuring a current (I) flowing into or out of the battery cell (22, 24);...

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Hauptverfasser: Zafiridis, Triantafyllos, Cois, Olivier, Erden, Michael, Becker, Jens
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Zafiridis, Triantafyllos
Cois, Olivier
Erden, Michael
Becker, Jens
description The present invention relates to a method for controlling a temperature of a battery cell (22, 24) in a battery module (20), the method comprising the steps of: determining an initial temperature of the battery cell (22, 24); measuring a current (I) flowing into or out of the battery cell (22, 24); determining an actual temperature gradient of the battery cell (22, 24) using a thermal battery cell model described by a differential equation, for which input values comprise at least the determined initial temperature and the measured current (I); comparing the determined actual temperature gradient of the battery cell (22, 24) with a predefined desired temperature gradient; and automatically adjusting the current (I) flowing into or out of the battery cell (22, 24) according to a result of the comparison.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title METHOD FOR CONTROLLING A TEMPERATURE OF A BATTERY CELL
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