The present disclosure inter alia relates to a battery module (100) for a traction battery (1000) of an electric vehicle (EV), wherein the battery module (100) has a number N of battery cells (1; 1a, 1b, 1c, 1d), each having a first terminal (4) and a second terminal (6), as well as a configuration circuit (30) for selectively configuring the interconnection of the battery cells (1; 1a, 1b, 1c, 1d) to change a module pole voltage (MS) between battery-module terminals (114, 116) of the battery module (100), wherein the configuration circuit (30) is connected to all first and second terminals (4, 6) of the battery cells (1; 1a, 1b, 1c, 1d) and is arranged to form a first number S of battery-cell groups, each of which contains a second number P of battery cells, in that the configuration circuit (30) can connect all battery cells of a battery-cell group in parallel and interconnect the battery-cell groups in series, wherein the selectable interconnection configurations meet the condition P×S=N.
FLEXIBLY CONFIGURABLE TRACTION BATTERY
2021-08-05
Patent
Electronic Resource
English
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
String-number-adjustable standardized module based on flexibly-packaged battery cells
European Patent Office | 2021
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