Patent ID: 8993154
Filing Date: 2015-03-31
Classification: B60K,B60L,H01M,Y02E,Y02T

Abstract:
1. A storage system for the storage of electric energy for a vehicle with electric propulsion, the storage system comprising: a plurality of electrochemical batteries, which are divided into groups, each of which group comprises electrochemical batteries electrically connected to each other; and two rigid busbars, which electrically connect the groups of electrochemical batteries in parallel and present respective connection portion, which constitute connection terminals of the storage system; wherein each rigid busbar presents a variable cross section, which increases in size towards the connection portion, so that the cross section of each rigid busbar is largest proximate to the connection portion and smallest at an end distal to the connection portion; and wherein each rigid busbar presents a stepped variable cross section, which increases in steps upstream and in proximity to a connection point of each group of electrochemical batteries.