Patents by Inventor Bumhyun Lee

Bumhyun Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8227106
    Abstract: Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells and two or more heat dissipation members, wherein the first heat dissipation member extends such that one side of the first heat dissipation member at least partially covers one outermost battery cell (a) of the battery module, and the other side of the first heat dissipation member is interposed between the inside battery cells, and the second heat dissipation member extends such that one side of the second heat dissipation member at least partially covers the outermost battery cell (a) while the second heat dissipation member is not overlapped with the first heat dissipation member, and the other side of the second heat dissipation member is interposed between the inside battery cells.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: July 24, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, Hee Soo Yoon, Bumhyun Lee, Dal Mo Kang, Minchul Jang, Jongmoon Yoon
  • Publication number: 20120183840
    Abstract: Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells, wherein the battery module is configured to have a structure in which two or more cell units are stacked in a state in which the battery cells are electrically connected to each other, each of the cell units is configured to have a structure in which two or more battery cells are connected in parallel to each other in a state in which the battery cells are in tight contact with each other, and parallel connection between electrode terminals of the battery cells of the cell units is achieved by one to one welding at a single weld point.
    Type: Application
    Filed: March 2, 2012
    Publication date: July 19, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu LEE, Yong Shik SHIN, HeeSoo YOON, BumHyun LEE
  • Publication number: 20120177965
    Abstract: Disclosed herein is a battery module including a plurality of battery cells mounted in a module case in a stacked state, wherein cooling members are mounted at interfaces between the battery cells, the module case is configured in a structure in which two opposite sides of the module case are open so that corresponding portions of the battery cell stack are exposed outward through the two open opposite sides of the module case, the cooling members are partially exposed outward through the two open opposite sides of the module case, and a coolant flows along the two open opposite sides of the module case while contacting the outwardly exposed portions of the cooling members.
    Type: Application
    Filed: December 13, 2011
    Publication date: July 12, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Jinkyu LEE, Hee Soo YOON, BumHyun LEE, Dal Mo KANG, Minjung KIM
  • Publication number: 20120171532
    Abstract: Disclosed is a battery pack configured to have a structure in which two or more battery modules, each including a plurality of battery cells or unit modules (unit cells) which can be charged and discharged, are mounted in a space defined between a pack case and a base plate, wherein cooling members, each including a heat dissipation fin disposed in contact with outsides of corresponding ones of the unit cells and a coolant conduit connected to a lower end of the heat dissipation fin to allow a coolant to flow therealong, are mounted at interfaces between the unit cells, the base plate, located below the battery modules, is configured to form a coolant flow channel having a coolant flow direction corresponding to the coolant flow direction in the coolant conduit, the pack case is coupled to the base plate in a state in which the battery modules are mounted on the base plate.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 5, 2012
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, MinJung KIM, Jin Kyu LEE, Hee Soo YOON, DalMo KANG, Jong Moon YOON
  • Patent number: 8206846
    Abstract: Disclosed herein is a middle- or large-sized battery module including a plurality of battery cells or unit modules, the middle- or large-sized battery module being configured to have a connection structure in which measured voltage and/or temperature signals of the battery cells or the unit modules are transmitted and received by a wire type connection member, wherein at least one end of the connection member is connected to a connection counterpart in a male and female engagement type mechanical coupling manner, the connection member has a downwardly bent region (a downwardly bent portion) formed at a region adjacent to a connection part such that the downwardly bent portion is bent downward to a height lower than the connection part for preventing moisture condensed on the connection member from being introduced to the connection part due to gravity.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: June 26, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Jae Hun Yang, Jongmoon Yoon, Yongshik Shin, BumHyun Lee
  • Publication number: 20120107664
    Abstract: Disclosed herein is a battery module configured to have a structure in which a plurality of plate type battery cells is mounted in a module case so that the battery cells are arranged adjacent to one another. The battery module includes a plurality of insulative members disposed between the respective battery cells so that each of the insulative members corresponds to the peripheral shape of a corresponding one of the battery cells and a plurality of cooling members disposed at the interfaces between the respective battery cells. Each of the cooling members includes a heat dissipating fin disposed in contact with the outer surface of a corresponding one of the battery cells and a coolant conduit provided at the lower end of the heat dissipating fin.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 3, 2012
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, Jin Kyu LEE, Dal Mo KANG, Jongmoon YOON, Hee Soo YOON
  • Patent number: 8168317
    Abstract: Disclosed herein is a high-power, large-capacity battery module including a plurality of battery cells or unit modules connected in series to each other such that the battery cells or the unit modules are stacked while being in tight contact with each other or being adjacent to each other, wherein the battery module is fixed such that the stacked state of the battery cells or the unit modules is maintained even when the volume of the battery cells or the unit modules changes at the time of charging and discharging the battery cells or the unit modules, and a portion of an electrode terminal connection region between the battery cells or between the unit modules is weak with respect to the volume expansion of the battery cells or the unit modules such that an expansion stress caused by the swelling of the battery cells is concentrated on the electrode terminal connection region, whereby the electrode terminal connection region is broken, and therefore, an electrical cut-off occurs at the electrode terminal con
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: May 1, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Hee Soo Yoon, Dal Mo Kang, HanHo Lee, Jeeho Kim, Jongmoon Yoon, Hey Woong Park, Hojin Jeon, Jin Kyu Lee, Sung Joon Park, Daesik Choi, Bumhyun Lee
  • Publication number: 20120094166
    Abstract: Disclosed is a battery module including a plurality of plate-shaped battery cells mounted in a module case in a stacked state, wherein each of the plate-shaped battery cells is configured in a structure in which an electrode assembly is mounted in a battery case formed of a laminate sheet, the battery module is configured in a structure in which a plurality of heat dissipation members disposed at two or more interfaces between the battery cells and a heat exchange member to integrally interconnect the heat dissipation members are mounted at one side of a battery cell stack, and heat generated from the battery cells during charge and discharge of the battery cells is removed by the heat exchange member via the heat dissipation members.
    Type: Application
    Filed: October 17, 2011
    Publication date: April 19, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Jinkyu LEE, Hee Soo YOON, BumHyun LEE, Dal Mo KANG, Minjung KIM
  • Publication number: 20120088141
    Abstract: Disclosed herein is a battery cartridge configured in a frame structure to mount a plate-shaped battery cell therein, the battery cartridge comprising a pair of plate-shaped frames configured to fix the outer circumference of the battery cell in a state in which at least one side of the battery cell is open, wherein each of the frames is provided at the outside thereof with an elastic pressing member configured to fix a heat dissipation member to the open side of the battery cell in a tight contact manner upon manufacture of a battery module.
    Type: Application
    Filed: December 20, 2011
    Publication date: April 12, 2012
    Inventors: Jin Kyu LEE, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jaeseong Yeo
  • Patent number: 8114539
    Abstract: Disclosed herein is a battery cartridge configured in a frame structure to mount a plate-shaped battery cell therein, the battery cartridge comprising a pair of plate-shaped frames configured to fix the outer circumference of the battery cell in a state in which at least one side of the battery cell is open, wherein each of the frames is provided at the outside thereof with an elastic pressing member configured to fix a heat dissipation member to the open side of the battery cell in a tight contact manner upon manufacture of a battery module.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: February 14, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jaeseong Yeo
  • Publication number: 20120009457
    Abstract: Disclosed herein is a battery module assembly including a plurality of battery modules, each including a plurality of battery cells or unit modules mounted in a module case in a state in which the battery cells or the unit modules are connected in series to each other, wherein the battery modules are arranged adjacent to each other in the lateral direction in a state in which the battery modules are electrically connected to each other, and a cooling member including a coolant conduit to allow a liquid coolant to flow therealong is mounted at the outside of each of the battery modules.
    Type: Application
    Filed: September 23, 2009
    Publication date: January 12, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Yongshik Shin, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jongmoon Yoon, Jaeseong Yeo
  • Publication number: 20110318623
    Abstract: Disclosed herein is a battery cartridge having a plate-shaped battery cell mounted therein, wherein the battery cartridge includes a pair of plate-shaped frames configured to fix opposite sides of the battery cell at the edge thereof in a state in which the sides of the battery cell are open, and each of the frames is provided at the inside thereof, disposed in contact with the edge of the battery cell, with an elastic pressing member configured to press the edge of the battery cell.
    Type: Application
    Filed: October 22, 2009
    Publication date: December 29, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Kwanyong Kim, Jongmoon Yoon, Jaeseong Yeo, Yongshik Shin, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang
  • Publication number: 20110262792
    Abstract: Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells and two or more heat dissipation members, wherein the first heat dissipation member extends such that one side of the first heat dissipation member at least partially covers one outermost battery cell (a) of the battery module, and the other side of the first heat dissipation member is interposed between the inside battery cells, and the second heat dissipation member extends such that one side of the second heat dissipation member at least partially covers the outermost battery cell (a) while the second heat dissipation member is not overlapped with the first heat dissipation member, and the other side of the second heat dissipation member is interposed between the inside battery cells.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 27, 2011
    Inventors: Jin Kyu Lee, Hee Soo Yoon, Bumhyun Lee, Dal Mo Kang, Minchul Jang, Jongmoon Yoon
  • Publication number: 20110223457
    Abstract: Disclosed herein is a battery module constructed in a structure in which a plurality of plate-shaped battery cells are sequentially stacked in a module case, 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, a plurality of heat dissipation members are disposed at two or more interfaces between the battery cells, and a heat exchange member integrally interconnecting the heat dissipation members is mounted to one side of a stack of the battery cells, whereby heat generated from the battery cells during the charge and discharge of the battery cells is removed by the heat exchange member.
    Type: Application
    Filed: September 4, 2009
    Publication date: September 15, 2011
    Applicant: LG CHEM, LTD
    Inventors: Jin Kyu Lee, Hee Soo Yoon, Bumhyun Lee, Dal Mo Kang, Jongmoon Yoon
  • Publication number: 20110223466
    Abstract: Disclosed herein is an electrode terminal connecting device for electrically interconnecting two or more battery modules, including a conductive connecting member for electrically interconnecting electrode terminals of the battery modules, the conductive connecting member having two through-holes formed at positions corresponding to the distance between the electrode terminals, an insulative sheathing member for surrounding the conductive connecting member, a portion of an open rear of the insulative sheathing member being closed for easy installation of the conductive connecting member, the insulative sheathing member including a side wall protruding from the outer circumference of the conductive connecting member such that the side wall has a predetermined height, and an insulative cap connected to the top of the insulative sheathing member by a hinge structure for opening and closing an open front of the insulative sheathing member, the insulative cap having hollow buffers protruding from the inside thereo
    Type: Application
    Filed: September 4, 2009
    Publication date: September 15, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Bumhyun Lee, Yongshik Shin, Jin Kyu Lee, Jongmoon Yoon, Jae Hun Yang
  • Publication number: 20110189514
    Abstract: 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.
    Type: Application
    Filed: June 20, 2009
    Publication date: August 4, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jongmoon Yoon
  • Publication number: 20110189515
    Abstract: Disclosed herein is a high-power, large-capacity battery module including a plurality of battery cells or unit modules connected in series to each other such that the battery cells or the unit modules are stacked while being in tight contact with each other or being adjacent to each other, wherein the battery module is fixed such that the stacked state of the battery cells or the unit modules is maintained even when the volume of the battery cells or the unit modules changes at the time of charging and discharging the battery cells or the unit modules, and a portion of an electrode terminal connection region between the battery cells or between the unit modules is weak with respect to the volume expansion of the battery cells or the unit modules such that an expansion stress caused by the swelling of the battery cells is concentrated on the electrode terminal connection region, whereby the electrode terminal connection region is broken, and therefore, an electrical cut-off occurs at the electrode terminal con
    Type: Application
    Filed: April 6, 2011
    Publication date: August 4, 2011
    Inventors: Hee Soo YOON, Dal Mo KANG, HanHo LEE, Jeeho KIM, Jongmoon YOON, Hey Woong PARK, Hojin JEON, Jin Kyu LEE, Sung Joon PARK, Daesik CHOI, Bumhyun LEE
  • Publication number: 20110189521
    Abstract: Disclosed herein is a middle- or large-sized battery pack having two or more hexahedral battery modules, each including a plurality of chargeable and dischargeable plate-shaped battery cells or unit modules (unit cells), mounted in a pack case, wherein the battery pack is used as a power source for driving a vehicle, has a battery capacity of 5 KWh or more, and 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 the 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, the hexahedral battery modules being arranged in an inner space of the pack case, and a coolant for removing heat from the uni
    Type: Application
    Filed: September 4, 2009
    Publication date: August 4, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Dal Mo Kang, Yongshik Shin, Bumhyun Lee, Chae Ho Chung, Jongmoon Yoon
  • Patent number: 7943252
    Abstract: Disclosed herein is a high-power, large-capacity battery module including a plurality of battery cells or unit modules connected in series to each other such that the battery cells or the unit modules are stacked while being in tight contact with each other or being adjacent to each other, wherein the battery module is fixed such that the stacked state of the battery cells or the unit modules is maintained even when the volume of the battery cells or the unit modules changes at the time of charging and discharging the battery cells or the unit modules, and a portion of an electrode terminal connection region between the battery cells or between the unit modules is weak with respect to the volume expansion of the battery cells or the unit modules such that an expansion stress caused by the swelling of the battery cells is concentrated on the electrode terminal connection region, whereby the electrode terminal connection region is broken, and therefore, an electrical cut-off occurs at the electrode terminal con
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: May 17, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Hee Soo Yoon, Dal Mo Kang, HanHo Lee, Jeeho Kim, Jongmoon Yoon, Hey Woong Park, Hojin Jeon, Jin Kyu Lee, Sung Joon Park, Daesik Choi, Bumhyun Lee
  • Publication number: 20110076531
    Abstract: Disclosed herein is a battery module configured in a structure in which two or more battery cells, each of which has electrode terminals formed at one end or opposite ends thereof, are stacked in a state in which the battery cells are electrically connected to each other, wherein the electrode terminals of the battery cells are formed of plate-shaped conductive members, the electrode terminals of the battery cells are folded such that the electrode terminals are in tight contact with each other to form a bent connection part at an electrical connection region between the battery cells, and the bent connection part is surrounded by a voltage sensing member mounted to the bent connection part.
    Type: Application
    Filed: August 17, 2010
    Publication date: March 31, 2011
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun Lee, Jin Kyu Lee, Jongmoon Yoon, Jae Hun Yang, Yongshik Shin, Dal Mo Kang