Lg Energy Solution, Ltd.

Ji-Myong An

Young-Su Son

Ji-Soo Park

Young-Kyu Lee

Jae-Young Jang

Byeong-Jun Jeon

Disclosed is a battery module improved in efficiency of resistance welding and bonding reliability. The battery module includes a plurality of secondary batteries, each having electrode terminals; a module housing having an inner space configured to accommodate the plurality of secondary batteries; and a bus bar including a body portion having a metal plate configured to electrically connect the plurality of secondary batteries to each other and a connection portion extending from the body portion to contact the electrode terminal. Each of the first connection portion, the second connection portion, and the third connection portion has at least one welding point.

Battery module having busbar, battery pack and vehicle

A battery module includes a plurality of cylindrical battery cells having electrode terminals; a module housing having an inner space to accommodate the cylindrical battery cells; and a module bus bar configured to electrically connect the cylindrical battery cells to each other. The module bus bar includes a first metal plate having a first body portion facing an outer surface of the module housing and a first contact portion configured to contact the electrode terminal; and a second metal plate having a second body portion stacked on an outer side of the first body portion of the first metal plate, a second contact portion configured to contact the electrode terminal, and a fuse portion configured to electrically connect the second contact portion and the second body portion and be disconnected at a predetermined current or above. The second metal plate has a smaller thickness than the first metal plate.

Battery module comprising module bus bar, battery pack comprising same, and electronic device

Disclosed is a battery pack, which includes a case configured to accommodate battery cells; and a handle attached to an outer side of the case, wherein the handle includes a handle bottom cover fixedly coupled to the case by a screw member; a handle plate disposed on the handle bottom cover and having a hole through which the screw member passes; and a handle top cover configured to cover the handle plate and coupled to the handle bottom cover, wherein the handle plate has a thread formed in the hole, and wherein the handle top cover includes a screw loosening prevention member protruding from an inner surface thereof and configured to press a top end of the screw member at an upper surface of the handle plate.

Battery pack having structure for preventing loosening of handle

Disclosed is a secondary battery module. The secondary battery module includes: a plurality of secondary battery cells; a case configured to accommodate the plurality of secondary battery cells and having at least one insert opening; and a label coupled to the case and inserted into the at least one insert opening of the case.

Growing community of inventors

Daejeon, South Korea

Ji-Myong An