Lg Chem, Ltd

BumHyun Lee

Jin Kyu Lee

Dal Mo Kang

Hee Soo Yoon

Jongmoon Yoon

Jong Moon Yoon

DalMo Kang

Yongshik Shin

Yong Shik Shin

Jaeseong Yeo

Minjung Kim

JunYeob Seong

Jae Hun Yang

Chae Ho Chung

JaeHun Yang

JiYoung Choi

Jinkyu Lee

HeeSoo Yoon

Jeeho Kim

Yongseok Choi

Hanho Lee

Hey Woong Park

Sung Joon Park

Sangyoon Jeong

YeonSeok Choo

Hojin Jeon

Daesik Choi

Ye Hoon Im

Minchul Jang

Jin-Kyu Shin

Min Chul Jang

WonChan Park

JunSeok Choi

Dal Moh Kang

Kwanyong Kim

Inchul Shin

Disclosed herein is a battery module configured in a structure in which a plurality of battery cells or unit modules ('unit cells') are stacked, and a heat sink is mounted to electrical connection regions between the unit cells and/or to outsides of battery module connection members connected to the electrical connection regions.

Battery module of improved safety

A battery module assembly having one or more plate-shaped cells, including two or more battery modules having cell units, each of which includes one or more battery cells, electrically connected to one another, a pair of an upper and lower case to surround outer circumferences of the modules such that one surface of each of the outermost modules is exposed outside in a state in which the modules are erected on their sides, one or more first fastening holes vertically formed at a top of the upper case and a bottom of the lower case in a direction in which first fastening holes face each other to fasten and fix the upper and lower case, and two or more second fastening holes horizontally formed at a front and/or a rear of the upper case and a front and/or a rear of the lower case to position or fix the assembly.

Battery module assembly of improved reliability and battery pack employed with the same

Disclosed herein is a battery module assembly including two or more battery modules having cell units, each of which includes one or more battery cells having insulating tape at least partially attached to an outer circumference thereof excluding electrode terminals thereof, electrically connected to one another, a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another, and fastening holes formed at a top of the upper case and a bottom of the lower case to position or fix the battery module assembly.

Disclosed herein is a battery module assembly including (a) two or more battery modules having cell units, each of which includes one or more battery cells, connected in parallel to one another, (b) a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, (c) a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another in parallel, and (d) a fastening hole formed at a front of the upper case and/or a front of the lower case to position or fix the battery module assembly.

Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member.

Middle or large-sized battery pack assembly

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 is a battery pack including battery cells or unit modules (unit cells), wherein the battery pack is configured to have a structure in which the unit cells are uprightly arranged in a width direction (a horizontal direction) of the battery pack in a state in which a spacing distance for coolant flow is provided between the respective unit cells to constitute a battery module, a plurality of battery modules is arranged to constitute a battery module group, battery modules groups are vertically arranged from a coolant introduction direction of a coolant inlet port in a height direction (a vertical direction) of the battery pack to have a two or more layer structure or laterally arranged from the coolant introduction direction of the coolant inlet port in a length direction (a horizontal direction) of the battery pack to have a two or more row structure.

Battery pack providing improved distribution uniformity in coolant

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 battery pack including two or more battery modules connected to each other, external input and output terminals being formed at one side of each of the battery modules, each of the battery modules including a plurality of unit cells electrically connected to each other while being stacked, wherein the two or more battery modules are connected in series or in parallel to each other via a connection member such that one of the battery modules is connected to an adjacent one of the battery modules, and the connection member is configured to have a structure in which different kinds of metals having different melting points are coupled to each other.

Stacking type battery pack having connecting member made of different metals

Disclosed herein is a battery pack case in which a battery module having a plurality of stacked battery cells or unit modules ('unit cells') is mounted, wherein the 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, which are directed in opposite directions such that a coolant to cool the unit cells can flow from one side to the other side of the battery module in a direction perpendicular to a cell stacking direction, 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 (&#x2018;coolant discharge part&#x2019;) extending from the battery module to the coolant outlet port, and the flow channel width of the coolant introduction part and/or the flow channel width of the coolant discharge part is greater than that of each of the unit cells, thereby achieving uniform distribution of the coolant.

Battery pack case having novel structure

A middle- or large-sized battery pack having two or more hexahedral battery modules, each including a plurality of chargeable and dischargeable plate-shaped unit cells, mounted in a pack case, wherein the battery pack removes heat generated during the charge and discharge of the unit cells using an air cooling method, the unit cells of each of the battery modules are vertically stacked such that the number of the unit cells corresponds to a height of a battery pack installation space defined in a vehicle while neighboring unit cells are spaced apart from each other such that a coolant channel is defined between the respective unit cells, the pack case is formed in a shape corresponding to the battery pack installation space in the vehicle, and a coolant for removing heat from the unit cells is introduced through at least one side of the pack case.

Middle or large-sized battery pack of novel air cooling structure

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 middle or large-sized battery pack including a battery module assembly configured in a structure in which a plurality of battery modules, each of which comprises a plurality of battery cells or unit modules connected in series to each other while being mounted in a module case, is electrically connected to each other while being arranged in a lateral direction such that the battery modules are in contact with each other, a pair of side support members for covering sides of outermost battery modules of the battery module assembly, and at least one top connection member for connecting the side support members at a top of the battery module assembly, wherein at least one of the side support members has a region (weak portion) exhibiting low resistance to volume expansion, the weak portion being partially formed at the at least one of the side support members for inducing local deformation of the battery modules upon occurrence of swelling, thereby causing a short circuit.

Middle or large-sized battery pack of improved safety

Disclosed herein is a battery module including a plurality of plate-shaped battery cells mounted in a module case in a state in which the plate-shaped battery cells are sequentially stacked, wherein each of the plate-shaped battery cells includes an electrode assembly of a cathode/separator/anode structure mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer, and a plurality of heat dissipation members are disposed in two or more interfaces between the respective plate-shaped battery cells such that heat generated from the plate-shaped battery cells during charge and discharge of the plate-shaped battery cells is removed by thermal conduction through the heat dissipation members.

Battery module having excellent heat dissipation ability 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.

Growing community of inventors

Seoul, South Korea

BumHyun Lee