A vehicle battery device includes a plurality of battery cell groups in which battery cells are connected in series, connection switches which can switch an electrical connection between the plurality of battery cell groups to a series connection or a parallel connection, and current sensors which detect electric currents flowing in the respective battery cell groups in both of the series connection and the parallel connection, and the current sensor is provided in the vicinity of a positive electrode terminal or a negative electrode terminal of each of the battery cell groups.
Vehicle battery device with improved current detection
2021-12-28
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 |
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