Lg Chem, Ltd

Jong Moon Yoon

Jin Kyu Lee

BumHyun Lee

Yong Shik Shin

DalMo Kang

JaeHun Yang

Sangyoon Jeong

Minjung Kim

JunSeok Choi

Chae Ho Chung

Dal Mo Kang

YeonSeok Choo

Hee Kook Yang

HeeSoo Yoon

Ye Hoon Im

JunYeob Seong

Heekook Yang

Bum Hyun Lee

Jae Hun Yang

Min Chul Jang

Ju Young Kim

Jun Yeob Seong

Jaesung Ahn

Tae Hwan Roh

Tae Hyuck Kim

Sang Phil Han

Junhee Jung

Hyoungsuk Lee

Yoonhee Lee

Sang Yoon Jeong

Soon Chang Hong

Jong Soo Ha

Jinhong Park

Bohyon Kim

Doo Seong Choi

BumHyum Lee

Bumhyun Lee

Dalmo Kang

Jaehun Yang

Disclosed is a battery module including a battery cell stack including a structure in which a plurality of battery cells connected to each other in series and/or in parallel is stacked and each of the battery cells is stood on one side thereof, voltage sensing members provided with connecting terminals electrically connected to electrode terminal connection parts of the battery cells for detecting voltages of the battery cells, an upper case covering the end of one side of the battery cell stack and portions of upper and lower ends of the battery cell stack, the upper case being provided with mounting parts, into which the voltage sensing members are inserted and mounted, and a lower case coupled to the upper case while covering the end of the other side of the battery cell stack and portions of the upper and lower ends of the battery cell stack.

Battery module including voltage sensing member having receptacle structure

Disclosed herein is a battery pack including at least one battery module including a battery cell stack constituted by two or more stacked battery cells that can be charged and discharged and a pack case for surrounding an outside of the battery module, wherein a liquid refrigerant isolated from an inner space of the pack case removes heat conducted from the battery cells through cooling of the pack case.

Battery pack having improved safety against leakage of liquid refrigerant

Disclosed herein is a battery module having a plurality of plate-shaped battery cells, each of which has electrode terminals respectively formed at the upper end and the lower end thereof, the battery module including two or more battery cells, a buffering member disposed at the interface between the battery cells to restrain movement of the battery cells and to buffer volume change of the battery cells during charge and discharge of the battery cells, and a pair of module housings coupled to entirely cover the outside of a stack of the battery cells excluding the electrode terminals of the battery cells, each of the module housings being formed of a sheet.

Battery module of improved stability

Disclosed herein is a middle- or large-sized battery module comprising: a battery cell stack including a plurality of battery cells or unit modules electrically connected with each other; a first module case constructed in a structure to entirely surround one side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack; a second module case coupled with the first module case, the second module case being constructed in a structure to entirely surround the other side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack; a sensing member mounted to the first module case or the second module case; and a battery management system (BMS) mounted to the first module case or the second module case.

Middle or large-sized battery module

Discussed herein is a battery pack configured to have a structure in which a battery pack case is provided at the upper part and the lower part thereof with a coolant inlet port and a coolant outlet port, respectively, the battery pack case is provided with a coolant introduction part and a coolant discharge part, the coolant introduction part includes (a) a parallel introduction part adjacent to the coolant inlet port, the parallel introduction part extending in parallel to a top of the unit cell stack and (b) an inclined introduction part connected to the parallel introduction part, the inclined introduction part extending from the coolant inlet port to an end of the battery pack case opposite to the coolant inlet port such that a distance between the inclined introduction part and the top of the unit cell stack is gradually decreased.

Battery pack of excellent cooling efficiency

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 battery module configured to have a structure in which a plurality of battery cells, each of which includes an electrode assembly of a cathode/separator/anode structure mounted in an electrode assembly receiving part, is mounted in a module case in a state in which the battery cells are arranged in a lateral direction such that the electrode assembly receiving parts of the respective battery cells are adjacent to one another, wherein a plurality of cooling members is disposed between the battery cells, and each of the cooling members includes a heat dissipation fin disposed between adjacent electrode assembly receiving parts in a tight contact state and a coolant conduit configured to have a hollow structure in which a coolant flows and mounted to the heat dissipation fin along outer edges of each of the electrode assembly receiving parts.

Battery module with compact structure and excellent heat radiation characteristics and middle or large-sized battery pack employed with the same

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 middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, the battery pack case is further provided with a flow space ('inlet duct') extending from the coolant inlet port to the battery module and another flow space ('outlet duct') extending from the battery module to the coolant outlet port, and one or more guide members are disposed in the inlet duct for guiding the flow of the coolant in the direction parallel to the stacking direction of the battery cells.

Middle or large-sized battery pack case providing improved distribution uniformity of coolant flux

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 herein is a battery pack including a battery module having a battery cell stack structure in which at least two electrically connected battery cells or unit modules are stacked, a voltage measuring member that measures voltage at an electrode terminal connection part of the battery cells or the unit modules, a voltage measuring circuit that connects the voltage measuring member to a Battery Management System (BMS), a temperature measuring member that measures temperature of the battery cells or the unit modules, a temperature measuring circuit that connects the temperature measuring member to the BMS and that is separated from the voltage measuring circuit, and the BMS electrically connected to the voltage measuring member to control operation of the battery modules.

Battery pack having stable measuring unit

Disclosed is a battery pack including a plurality of battery cells or unit modules, wherein the battery pack is provided at an upper and lower part thereof with a coolant inlet port and a coolant outlet port, through which a coolant to cool the battery cells or the unit modules, i.e. unit cells, flows from one side to the other side of the battery module in a direction perpendicular to the stacked direction of the unit cells, the battery pack case is further provided with a flow space ('coolant introduction part') extending from the coolant inlet port to the battery module and another flow space ('coolant discharge part') extending from the battery module to the coolant outlet port, and the coolant outlet port is bent in a lateral direction at an angle of at least 30 degrees to a flow direction of the coolant introduced through the coolant inlet port.

Disclosed is a battery module having a plurality of battery cells, the battery module including a cell module stack having a structure in which a plurality of cell modules having the battery cells mounted in cartridges is vertically stacked, a lower end plate supporting a lower end of the cell module stack, and an upper end plate fixing an uppermost cartridge of the cell module stack disposed on the lower end plate, wherein the cartridges and the upper and lower end plates are provided with through holes formed such that the through holes communicate with one another, a fixing member is inserted through the through holes and coupled to the upper and lower end plates, and the fixing member and the through holes are configured to have a horizontal sectional structure to restrain rotation of the fixing member when rotational force for fastening is applied to the fixing member.

Battery module and battery pack employed with the same

Disclosed herein is a battery pack including (a) a battery module assembly arranged in a lateral direction, (b) a pair of a front support member and a rear support member to cover the front and rear of outermost battery modules of the battery module assembly, (c) at least one upper end connection member to connect the front support member and the rear support member to each other at the upper end of the battery module assembly, and (d) at least one lower end connection member to connect the front support member and the rear support member to each other at the lower end of the battery module assembly, wherein the cartridge is provided at the lower end thereof with a fastening hole, via which the at least one lower end connection member is mounted.

Battery pack of compact structure

Disclosed is a battery pack including battery modules arranged in two or more rows, each of the battery modules including a plurality of battery cells or unit modules, each of which has two or more battery cells mounted therein, stacked in an upright or upside-down fashion, wherein the battery modules are individually mounted in pack cases, the pack cases are provided at upper parts and lower parts thereof with coolant inlet ports and coolant outlet ports such that a coolant to cool the battery cells flows to one side to the other side of the battery modules in a direction perpendicular to the stacked direction of the battery cells or the unit modules, the pack cases are further provided with flow spaces ('coolant introduction parts').

Growing community of inventors

Daejeon, South Korea

Jong Moon Yoon