A method includes estimating, for a given battery cell of a plurality of battery cells, an internal resistance, estimating, for the given battery cell, an open-circuit voltage, determining a target output voltage for the given battery cell, determining a target discharge current for the given battery cell, determining a target internal resistance for the given battery cell based on the estimated open-circuit voltage for the given battery cell, the target output voltage for the given battery cell, and the target discharge current for the given battery cell, determining a target cell temperature for the given battery cell based on the target internal resistance for the given battery cell, and controlling a flow of coolant adjacent to the given battery cell based on the target temperature for the given battery cell.
Real-time battery thermal management for electric vehicles
2018-02-13
Patent
Elektronische Ressource
Englisch
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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