The embodiment of the present application provides an acquiring method and device of residual energy of a power battery. The acquiring method includes: acquiring an available capacity of a first type of cells and an available capacity of a second type of cells; determining a minimum available capacity of the available capacity of the first type of cells and the available capacity of the second type of cells as an available capacity of the power battery; determining available energy of the first type of cells in accordance with the available capacity of the power battery, a current temperature, and a quantity of cells of the first type of cells; determining available energy of the second type of cells in accordance with the available capacity of the power battery, a current temperature, and a quantity of cells of the second type of cells; and determining the sum of the available energy of the first type of cells and the available energy of the second type of cells as a quantity of residual energy of the power battery. The acquiring method is used for effectively and accurately acquiring the residual energy of a power battery with multiple types of cells.
ACQUIRING METHOD AND DEVICE OF RESIDUAL ENERGY OF POWER BATTERY
ERFASSUNGSVERFAHREN UND -VORRICHTUNG DER RESTENERGIE EINER LEISTUNGSBATTERIE
PROCÉDÉ ET DISPOSITIF D'ACQUISITION D'ÉNERGIE RÉSIDUELLE DE BATTERIE D'ALIMENTATION
2024-05-29
Patent
Electronic Resource
English
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 / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES |
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