Lg Chem, Ltd

Taeyeop Kim

Jin-Kyu Shin

Bum Hyun Lee

Juhan Kim

Disclosed herein is a battery pack configured to have a structure including at least one battery module having a structure in which a plurality of unit cells or a plurality of unit modules, each of which includes a plurality of unit cells, is electrically connected to each other, a battery pack case in which the battery module is received, an inner cartridge for fixing the battery module in the battery pack case, and a battery management system (BMS) assembly including a BMS circuit board for monitoring and controlling operation of the battery pack and a BMS case in which the a BMS circuit board is mounted, the BMS assembly being mounted in the inner cartridge from outside the battery pack in an inserting fashion.

Battery pack including inserted type BMS assembly

Disclosed herein is a battery module including a unit module assembly including unit modules, each of which includes a plurality of battery cells or a plurality of cell assemblies, each of which includes two or more battery cells, as unit cells, the unit modules being arranged while being adjacent to each other, each of the unit modules having electrode terminals arranged at one side thereof, a battery disconnect unit (BDU) arranged at one side of the unit module assembly, the battery disconnect unit having terminal connection parts arranged at the same side as the electrode terminals, a module case in which the unit modules of the unit module assembly are mounted, the electrode terminals of the unit modules being exposed through the module case, and a bus bar assembly including a cover plate mounted on the electrode terminals of the unit modules at the module case, the cover plate being formed of an insulative material, and two more bus bars mounted to the cover plate.

Battery module having bus bar assembly and battery pack comprising the same

Disclosed herein is a safety device mounted in a battery pack including one or more battery modules, each of which includes a plurality of unit modules electrically connected to each other, to interrupt a flow of electric current in the battery pack in an abnormal state of the battery pack, the safety device including a safety device case provided with a connection terminal connected to a main cable of the battery pack and a circuit breaker unit mounted into the safety device case from an outside of the battery pack in an insertion fashion such that the circuit breaker unit is electrically connected to the connection terminal in a state in which the circuit breaker unit is mounted in the safety device case and the circuit breaker unit is electrically disconnected from the connection terminal in a state in which the circuit breaker unit is separated from the safety device case.

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Daejeon, South Korea

Taeyeop Kim