Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 2, 2018
Patent Application Number
14861584
Date Filed
September 22, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A current breaking structure of a battery system includes lead wires, which extend from a plurality of battery cells connected in parallel with each other. The lead wires are bonded to one of two faces of an outer busbar that connect a battery module to outside, in which the one of the two faces is faced to an interior of a battery module, such that upon battery cell expansion, the lead wires are entirely broken by the outer busbar. Accordingly, in case where overcharge occurs in a pouch type lithium ion battery, i.e., in a high-voltage battery having battery cells in parallel connection and then serial connection, connecting structure is broken effectively, thus preventing in advance overcharge-related safety accident.
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