A METHOD FOR BATTERY MANAGEMENT AND BATTERY SYSTEM

A method of battery management for managing a number of cells (2) comprising at least one set of cells (2) that are interconnectable in series to form a battery (5, 5′ 5″). The method comprises measuring parameters relating to the state of health, SoH, or of each cell (2) of said number of cells (2)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RASMUSSEN, Jesper Boie, ROHDE, Gunnar
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A method of battery management for managing a number of cells (2) comprising at least one set of cells (2) that are interconnectable in series to form a battery (5, 5′ 5″). The method comprises measuring parameters relating to the state of health, SoH, or of each cell (2) of said number of cells (2). The SoH of each cell (2) in said set of cells (2) are compared and at least one cell (2) having a poorer state of health than the remainder of the cells (2) and at least one cell (2) having a better state of health than the remainder of the cells (2) is identified. If a maximum state of charge, SoCmax, threshold has been reached for the at least one cell (2) having a better state of health during a charging cycle it is disconnected. If a minimum state of charge, SoCmin, threshold has been reached for the at least one cell (2) having a poorer state of health during a discharging cycle it is disconnected.