Lg Chem, Ltd

Lg Energy Solution, Ltd.

JaeHun Yang

Jong Moon Yoon

Yong Shik Shin

BumHyun Lee

Jin Kyu Lee

DalMo Kang

Chae Ho Chung

Yongseok Choi

YoungHo Lee

Sangyoon Jeong

WonChan Park

JiYoung Choi

JunYeob Seong

Dal Mo Kang

Ju Young Kim

Jong Woon Choi

Junkyu Park

Youngho Choi

Hyejin Kim

Jiyoung Choi

Hee Kook Yang

Doohan Yoon

A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.

Battery module

Disclosed is a battery pack having a structure in which a plurality of unit cells constitutes a battery module, two or more of the battery modules are vertically arranged from a coolant introduction direction of a coolant inlet port to constitute a pair of battery module groups, a coolant introduction part extending from the coolant inlet port to each battery module group is provided at a middle of a pack case wherein the coolant introduction part is located between respective battery module groups, coolant discharge parts extending from respective battery module groups to coolant outlet ports are provided at an upper and lower part of the pack, and a coolant flow channel defined between the coolant introduction part and the coolant discharge parts is configured such that a coolant, introduced through the coolant introduction part, passes by each unit cell, and is discharged through the respective coolant discharge parts.

Battery pack of novel air cooling structure

A battery pack including battery cells or unit modules (unit cells), configured to have a structure including a battery module group including one or more battery modules each having the unit cells mounted in a pack case in a state in which the unit cells are uprightly arranged in a width direction of the pack such that the unit cells are spaced apart by a spacing distance for coolant flow, a coolant introduction part continuously defined in a space between a bottom of the pack case and the battery module group, a coolant discharge part defined between a top of the pack case and the battery module group, an electronic member located at one side of the module group, the electronic member being mounted in an inner space defined by the coolant discharge part, and a coolant flow channel defined between the coolant introduction part and the coolant discharge part.

Battery pack having novel cooling structure

Disclosed herein is a battery module including (a) a battery cell stack including two or more battery cells or unit modules electrically connected to each other in a state in which the battery cells or unit modules are vertically stacked, (b) a first housing to cover the entirety of the end of one side of the battery cell stack and portions of the top and bottom of the battery cell stack and (c) a second housing to cover the entirety of the end of the other side of the battery cell stack and the remainder of the top and bottom of the battery cell stack, wherein the first housing and the second housing are provided with coupling holes formed to couple the first housing and the second housing to each other, the coupling holes being horizontal coupling holes, through which coupling members can be inserted in the lateral direction.

Battery module having novel structure

Disclosed herein is a voltage sensing member for sensing the voltage of battery cells constituting a battery module, the voltage sensing member comprising: (a) a pair of supporting parts mounted to the bottom of the battery module at regions (the front and rear parts of the battery module) corresponding to electrode terminal connections of the battery cells; (b) connection parts for electrically connecting the supporting parts to a connector; (c) a plurality of conductive sensing parts protruding upward while one end of each is connected to the corresponding support part and the other end of each is elastically connected to electrode terminals of the battery cells; and (d) the connector mounted on the front part or the rear part of the battery module for transmitting the sensed voltage of the battery cells to a battery management system (BMS).

Voltage sensing member and battery module employed with the same

Disclosed herein is a cooling member mounted between battery cells to remove heat generated from the battery cells during charge and discharge of the battery cells, wherein the cooling member includes a plate-shaped cooling fin configured to have a structure in which two battery cell contact portions disposed in tight contact with outer sides of the battery cells in a state in which the cooling fin is disposed between the respective battery cells are continuously formed in a horizontal direction (a lateral direction) and a coolant conduit configured to have a hollow structure in which a coolant flows, the coolant conduit thermally contacting the cooling fin, the coolant conduit being located at the outside of an electrode assembly receiving part of each of the battery cells when the cooling fin is disposed between the battery cells.

Cooling member of novel structure and battery module employed with the same

Disclosed is a voltage sensing assembly for sensing voltage of battery cells, each having electrode terminals formed at an upper or lower end thereof, in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case formed of an electrically insulating material, the block case being mounted, horizontally within a space between electrode terminal connection parts of the battery cells, to the front or rear of the battery module, (b) wires connected respectively to voltage sensing terminals, each of the voltage sensing terminals being integrally formed at an upper or lower end of a corresponding one of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector that transmits detected voltages of the wires to a controller.

Voltage sensing assembly and battery module including the same

Disclosed herein is a cooling member mounted between battery cells to remove heat generated from the battery cells during charge and discharge of the battery cells, wherein the cooling member includes a plate-shaped heat dissipation fin disposed between the battery cells in a state in which opposite main surfaces of the heat dissipation fin are in tight contact with the battery cells and a coolant conduit configured to have a hollow structure through which a coolant flows, the coolant conduit thermally contacting the heat dissipation fin, the coolant conduit being located at an outside of an electrode assembly receiving part of each of the battery cells when the heat dissipation fin is disposed between the battery cells.

Cooling member of compact structure and excellent stability and battery module employed with the same

A battery module includes a battery cell stack having a plurality of battery cells or unit modules connected in series and/or in parallel to each other in a state in which the battery cells or the unit modules are stacked in the lateral direction. The battery cell stack is provided at the front thereof with bus bars to connect electrode terminals of the battery cells to external input and output terminals. Voltage sensing members are provided at ends thereof with connection terminals electrically connected to electrode terminal connection parts of the battery cells to sense voltages of the battery cells or the unit modules. An upper case is provided with mounting parts, in which the voltage sensing members are mounted. A lower case is coupled to the upper. The lower case is provided at the front thereof with external input and output terminals.

Battery module having sensing member with novel structure

Disclosed is a voltage sensing assembly for a battery module to sense voltage of battery cells having electrode terminals formed at the upper or lower end thereof in a state in which the voltage sensing assembly is mounted in the battery module, the voltage sensing assembly including (a) an upper and a lower block case to be coupled to each other in an assembled fashion, the upper block case and the lower block case being made of an electrically insulative material, the upper block case and the lower block case being mounted to a region (front or rear) of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) upper-row and lower-row conductive sensors to be connected to the electrode terminal connection parts of the battery cells, respectively, and (c) a connector to transmit voltages sensed by the conductive sensors to a battery management system (BMS).

Growing community of inventors

Daejeon, South Korea

JaeHun Yang