Patent ID: 11862819
Assignee: SK ON CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery module comprising:
a battery stack including a plurality of battery cells stacked in a transverse direction, each of the plurality of battery cells extending in a longitudinal direction, and the longitudinal direction being a front-rear direction;
a first case unit including a bottom section below the battery stack and a pair of first sidewalls extending upward from the bottom section;
a second case unit including a top section above the battery stack and a pair of second sidewalls extending downward from the top section; and
a bus bar assembly including at least one bus bar coupled to at least one of a front portion or a rear portion of the battery stack,
wherein the pair of first sidewalls face the battery stack in the transverse direction,
wherein the pair of second sidewalls face outer surfaces of the pair of first sidewalls respectively,
wherein the first case unit includes a first front section extending upward from a front end of the bottom section,
wherein the second case unit includes a second front section extending downward from a front end of the top section, and
wherein the first front section and the second front section are coupled to each other,
wherein the bus bar assembly includes a front bus bar assembly coupled to the front portion of the battery stack, and
wherein the front bus bar assembly is positioned behind the first front section,
wherein each of the plurality of battery cells includes:
a cell body extending in the longitudinal direction; and
a front electrode tab protruding forward from the cell body, and
wherein the front electrode tab is coupled to the front bus bar assembly,
wherein the first case unit includes a first rear section extending upward from a rear end of the bottom section,
wherein the second case unit includes a second rear section extending downward from a rear end of the top section,
wherein the first rear section and the second rear section are coupled to each other,
wherein the bus bar assembly includes a rear bus bar assembly coupled to the rear portion of the battery stack,
wherein the rear bus bar assembly is positioned in front of the first rear section,
wherein each of the plurality of battery cells includes a rear electrode tab protruding backward from the cell body, and
wherein the rear electrode tab is coupled to the rear bus bar assembly.