Patent ID: 11888125
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery module, comprising:
a cell stack formed by stacking a plurality of battery cells;
a bus bar frame assembly including a bus bar frame covering first and second opposite longitudinal ends of the cell stack and a plurality of bus bars fixed to the bus bar frame and electrically connected to the battery cells; and
a FPCB assembly including a first FPCB extending along a longitudinal direction of the cell stack and covering at least a portion of an upper surface of the cell stack, a second FPCB extending from one longitudinal end of the first FPCB and electrically connected to the bus bars, and a connector having a connector pin inserted into a pin insert hole formed in the second FPCB,
wherein the second FPCB includes a connector mounting portion having the pin insert hole extending therein,
wherein the FPCB assembly further comprises a non-conductive stiffener interposed between the connector and the connector mounting portion, and
wherein the stiffener has a perforation hole formed at a location corresponding to the connector pin and the pin insert hole, such that the connector pin extends through the perforation hole.