Patent ID: 9269944
Filing Date: 2016-02-23
CPC Classification: H01M,Y02E

Claim Text:
1. A battery module comprising; a plurality of battery packs, each battery back being provided with an anode terminal and a cathode terminal; a plurality of coupling units each having ends coupled to the anode terminal and the cathode terminal of an adjacent battery pack, respectively, to couple the plurality of battery packs in series; an operation unit that is provided on one end of the coupling unit and ascends in accordance with an internal pressure increasing in the battery pack to open a coupling between the one end of the coupling unit and the terminals of the battery pack by raising the one end of the coupling unit; and a bypass unit having one end disposed over the one end of the coupling unit and the other end of which is coupled to the other end of an adjacent coupling unit to maintain the other battery packs coupled in series, except for the battery packs the internal pressures of which have increased, when the one end of the coupling unit ascends by the operation unit, wherein the one end of the coupling unit ascends or descends as a free end and the other end of the coupling unit is coupled to the anode terminal or the cathode terminal of the battery pack.