Batteriesystem, Gruppe von Elektrofahrzeugen und Verwendung eines Batteriesystems

Details

Veröffentlichungs-Nr.

EP4378743

Aktenzeichen

EP22210453

Anmeldetag

30. November 2022

Veröffentlichung

5. Juni 2024

Rechtsraum

EP

IPC

B60L50/64B60L58/19B60L58/21B60L58/22

Abstract

A lithium ion battery system (5) presenting a plurality of configurations in which elementary battery modules (6) are arranged respectively in different configurations with different voltages and energy capacities, each configuration matching with at least one electric requirement of a range of electric vehicles, the elementary battery modules (6) of each configuration being arranged in a string number of strings (7) connected in parallel to each other, each string (7) comprising a module number of elementary battery modules (6), the configuration having a configuration voltage and a configuration energy capacity, wherein each string (7) further includes a first electronic control unit for balancing a state of charge of each elementary battery module (6) within said string (7), and wherein the battery system (5) further includes at least one second electronic control unit for balancing a state of charge of the strings (7) relative to each other, wherein each elementary battery module (6) includes a Battery Management Unit (BMU) to supervise and monitor the elementary battery module (6).

Anmelder

Firma

Volvo Construction Equipment AB

Land

🇸🇪 Schweden

Fachgebiete