Battery system for a vehicle with severable connections

Details Battery system for a vehicle with severable connections Battery system for a vehicle with severable connections

H - Electricity

01

M

H01M 2/20 (2006.01)

Patent

CA 2709114

A battery system for storing electrical power and supplying electrical power to a vehicle is provided. The system includes multiple battery packs, and each battery pack includes a plurality of cells (300a, 300b). The cells (300a, 300b) in each battery pack are electrically connected with one another and the multiple battery packs are also electrically connected with one another to combine the total energy output of the cells (300a, 300b) of the system. The electrical connections between at least some of the cells (300a, 300b) include a severable feature(800a, 800b) , whereby the electrical connection is severed locally at the severable feature(800a, 800b) in response to an impact force that is in excess of a predetermined magnitude and/or an overcurrent/overtemperature condition.

La présente invention concerne un système de batterie permettant de stocker de l'énergie électrique et d'en fournir à un véhicule. Le système comprend plusieurs blocs batterie, chacun composé d'une pluralité de cellules (300a, 300b). Les cellules (300a, 300b) de chaque bloc batterie sont électriquement connectées l'une à l'autre et les divers blocs batterie sont également électriquement connectés l'un à l'autre pour associer la production d'énergie totale des cellules (300a, 300b) du système. Les connexions électriques entre au moins certaines des cellules (300a, 300b) comprennent un élément détachable (800a, 800b). La connexion électrique est détachée localement, au niveau de l'élément détachable (800a, 800b) en réponse à une force d'impact dépassant une magnitude et/ou une situation de surtension ou de surchauffe prédéfinie.

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