Patents by Inventor Jeong-O MUN

Jeong-O MUN 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).

  • Air-cooling battery pack having improved assembling structure
    Patent number: 11177517
    Abstract: Disclosed is an air-cooling battery pack, which includes a cell assembly having a plurality of cells stacked therein; an air duct disposed to contact the cell assembly and having an air passage formed therein to allow a cooling air to move therethrough; a coupling groove formed at the air duct to elongate in a longitudinal direction; and a battery management system (BMS) plate having a BMS for managing the cells and assembled to the air duct by a slider slidably inserted into the coupling groove.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: November 16, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Jung-Hoon Lee, Eun-Gyu Shin, Byoung-Cheon Jeong, Dal-Mo Kang, Jeong-O Mun
  • BATTERY MODULE HAVING SWELLING GAUGE, AND BATTERY PACK COMPRISING SAME
    Publication number: 20210344057
    Abstract: A battery module allows a swelling amount of battery cells accommodated in a module housing to be intuitionally checked. The battery module includes a cell pressing plate accommodated in the module housing and disposed on at least one of both longitudinal side surfaces of a cell stack that is formed by stacking the battery cells; and a swelling gauge provided to protrude from a surface of the cell pressing plate. When the battery cells swell, the swelling gauge is pushed out of the module housing through a gauge hole formed in the module housing so that a swelling amount of the battery cells may be checked.
    Type: Application
    Filed: December 20, 2019
    Publication date: November 4, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Won SEO, Dal-Mo KANG, Jeong-O MUN, Yoon-Koo LEE, Eun-Ah JU
  • PRESSURE JIG APPARATUS FOR BRINGING ELECTRODE LEAD INTO CLOSE CONTACT WITH BUS BAR AND BATTERY MODULE MANUFACTURING SYSTEM INCLUDING SAME
    Publication number: 20210344083
    Abstract: Discussed is a battery module manufacturing system, which includes a battery module having a cell stack formed by stacking a plurality of battery cells, a module case configured to accommodate the cell stack and a bus bar frame configured to cover an opening at one side of the module case; a fixing frame coupled to one side of the battery module so that the bus bar frame is exposed to the outside; and at least one pressing jig apparatus coupled onto the fixing frame and configured to press electrode leads of the plurality of battery cells so that the electrode leads are welded in close contact with both sides of a bus bar provided to the bus bar frame.
    Type: Application
    Filed: November 27, 2019
    Publication date: November 4, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jin-Yong PARK, Ho-June CHI, Seung-Joon KIM, Jeong-O MUN, Hee-Jun JIN
  • Battery Module Including Foldable Side Plate and Method for Manufacturing Same
    Publication number: 20210336287
    Abstract: A battery module includes a first module and a second module, each including a cell stack having a plurality of battery cells stacked vertically and a bus bar frame assembly configured to cover a front surface and a rear surface of the cell stack; and a pair of foldable side plates including a first side plate configured to cover and pressurize one side surface and another side surface of the first module and a second side plate configured to cover and pressurize one side surface and another side surface of the second module and coupled to the first side plate by a hinge.
    Type: Application
    Filed: December 18, 2019
    Publication date: October 28, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jin-Yong Park, Ho-June Chi, Seung-Joon Kim, Jeong-O Mun, Hee-Jun Jin
  • Battery module, battery pack including battery module, and vehicle including battery pack
    Patent number: 11158895
    Abstract: Disclosed is a battery module, which includes: at least one battery cell having electrode leads protruding at first and second opposite sides thereof; and at least one cell case each covering the first and second sides and an upper side of a corresponding one of the at least one battery cell and each including a pair of bus bars each having one end connected to a corresponding one of the electrode leads and another end exposed at an upper side of the cell case.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: October 26, 2021
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ho-June Chi
  • Bus bar assembly for electrode lead bonding and battery module including same
    Patent number: 11158912
    Abstract: A bus bar assembly for electrically connecting a plurality of battery cells having electrode leads is provided. The bus bar assembly includes a bus bar support frame having an opening; an insertion bus bar, the insertion bus bar being displaceable relative to the bus bar support frame in the opening; side-adhering bus bars positioned with the insertion bus bar being interposed therebetween to form fitting spaces respectively besides opposite sides of the insertion bus bar so that at least one electrode lead is insertable into each of the fitting spaces; and a support member configured to support the insertion bus bar at a location protruding further from the bus bar support frame than the side-adhering bus bars protrude from the bus bar support frame, the support member being elastically deformable by the insertion bus bar when the insertion bus bar is pressed.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 26, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ho-June Chi, Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • Battery module and battery pack including the same
    Patent number: 11152671
    Abstract: A battery module includes a battery cell stack having a plurality of stacked battery cells and a plurality of bus bars respectively coupled to electrode leads provided at the plurality of battery cells. Each bus bar includes a frame on which the electrode lead of the battery cell is placed and a conductive member coupled to the frame and electrically coupled to the electrode lead.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 19, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • ESS MODULE HAVING STRUCTURE CAPABLE OF PREVENTING EXTERNAL EXPOSURE OF FLAME AND ESS PACK INCLUDING THE SAME
    Publication number: 20210320374
    Abstract: An Energy Storage System (ESS) module includes a cell stack assembly including a cell stack formed by stacking a plurality of battery cells and a plurality of mica barrier assemblies and a pair of bus bar frames coupled to both side portions of the cell stack; and a housing configured to accommodate the cell stack assembly and having a plurality of flow path holes formed at locations corresponding to a front side, a rear side and both side portions of the cell stack assembly, wherein the mica barrier assembly is provided between adjacent battery cells and at an outermost side of the cell stack to form a flow path along a stacking direction of the cell stack at a temperature lower than a reference temperature and to block the flow path at a temperature equal to or higher than the reference temperature.
    Type: Application
    Filed: December 17, 2019
    Publication date: October 14, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Hoon LEE, Dal-Mo KANG, Min-Ho KWON, Jeong-O MUN, Jae-Uk RYU, Jung-Been YOU
  • Battery Module Having Insulation Pad With Extended Length, and Battery Pack and Vehicle Comprising Same
    Publication number: 20210313664
    Abstract: A battery module includes a cell stack in which a plurality of battery cells are stacked; a pair of bus bar frames configured to cover one side and another side, respectively, of the cell stack in a longitudinal direction; a housing configured to accommodate a combined body of the cell stack and the pair of bus bar frames so that the pair of bus bar frames is exposed to an outside of the housing; and an insulation pad interposed between a side surface of the cell stack and an inner surface of the housing and between a side surface of one of the pair of bus bar frames and the inner surface of the housing.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 7, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jin-Yong Park, Kyung-Mo Kim, Jeong-O Mun, Jhin-Ha Park, Ho-June Chi, Hee-Jun Jin
  • Battery Module with ICB Assembly in Space-Saving Structure
    Publication number: 20210313657
    Abstract: A battery module includes a cell stack having a plurality of battery cells stacked in one direction, and an ICB assembly electrically connected to the plurality of battery cells to sense voltage information. The ICB assembly includes front and rear bus bar frames, a sensing member, and at least one bridge plate. The front and rear bus bar frames are assembled to respective front and rear sides of the cell stack, the front and rear bus bar frames each having a respective plurality of bus bars that are in contact with electrode leads of the battery cells. The sensing member has one side fixed to the front bus bar frame and the other side fixed to the rear bus bar frame; and the at least one bridge plate is connected to the front and rear bus bar frames to maintain a gap of a constant distance therebetween.
    Type: Application
    Filed: September 23, 2019
    Publication date: October 7, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jin-Yong Park, Kyung-Mo Kim, Seung-Joon Kim, Jeong-O Mun, Ho-June Chi, Hee-Jun Jin
  • Battery module having bus bar assembly
    Patent number: 11139539
    Abstract: Provided is a battery module in which heat generation of a current path of a module bus bar mounted on a bus bar assembly is reduced. The battery module includes: a cell assembly including a secondary batteries that each include electrode leads; and a bus bar assembly including: a module bus bar including an upper plate portion and a lower plate portion that electrically connect the secondary batteries and the module terminal and each have at least one region separated from each other, a connection extending portion that extends to one side end portion of each of the upper plate portion and the lower plate portion, and a bent connecting portion that is combined to the module terminal provided at a top of the upper plate portion; and a pressurizing bus bar pressurizing the electrode leads such that end portions of the electrode leads contact the lower plate portion.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: October 5, 2021
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee, Ho-June Chi
  • Bus bar including current breaking portion and battery module including the same
    Patent number: 11139543
    Abstract: A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: October 5, 2021
    Inventors: Jae-Min Yoo, Min-Ho Kwon, Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Battery cell frame and battery module comprising same
    Patent number: 11139523
    Abstract: A battery cell frame according to an embodiment of the present disclosure includes a bus bar for electrically coupling to an electrode lead of a battery cell, a support member coupled to the bus bar and configured to come into contact with the battery cell to support the battery cell, and a variable length part formed in the support member. The variable length part is configured to change in length to fit a size of the battery cell.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: October 5, 2021
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • Cylindrical battery cell assembly with improved space utilization and safety, and battery module comprising same
    Patent number: 11139529
    Abstract: A cylindrical battery cell assembly which includes a plurality of cylindrical battery cells arranged so that the cylindrical battery cells having the same polarity face in the same direction, a cell holder configured to confine the cylindrical battery cells as a bundle unit, a first electrode connection member located at an upper portion of the cell holder and a second electrode connection member located at the bottom ends of the cylindrical battery cells. The second electrode connection member includes a second connection portion located at a lower portion of the cell holder and disposed to contact the second electrode terminals. A rod-shaped second terminal portion extends vertically from the second connection portion through an empty space formed inside the cell holder so that one end of the rod-shaped second terminal portion is disposed above the cell holder.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 5, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Su-Chang Kim, Jae-Min Yoo, Jae-Uk Ryu, Dal-Mo Kang, Jeong-O Mun
  • JIG FOR TACK WELDING OF BATTERY CELL ELECTRODE LEAD
    Publication number: 20210299801
    Abstract: Discussed is an electrode lead tack welding jig for a battery cell, and the jig including a jig body configured to support at least two battery cells, and a close contact guide unit provided to both ends of the jig body and configured to guide electrode leads of the at least two battery cells to come into close contact when tack welding is performed to the electrode leads by a laser.
    Type: Application
    Filed: January 7, 2020
    Publication date: September 30, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jin-Yong PARK, Ho-June CHI, Seung-Joon KIM, Jeong-O MUN, Hee-Jun JIN
  • BATTERY MODULE AND BATTERY PACK COMPRISING BATTERY MODULE
    Publication number: 20210305651
    Abstract: A battery module includes a battery cell assembly having a plurality of battery cells stacked on each other; a pair of end plates provided at both sides of the battery cell assembly; and a cover frame coupled to the pair of end plates to cover the battery cell assembly, the cover frame being deformed along an inflating direction of the plurality of battery cells when the plurality of battery cells are inflated.
    Type: Application
    Filed: September 11, 2019
    Publication date: September 30, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Been YOU, Dal-Mo KANG, Min-Ho KWON, Jeong-O MUN, Jae-Uk RYU, Jung-Hoon LEE
  • Battery pack including heat conduction medium with louver fin shape
    Patent number: 11133542
    Abstract: Disclosed is a battery pack, which includes a plurality of battery modules; a tray giving a space where the plurality of battery modules are placed; a plurality of beam frames installed to traverse an upper surface of the tray to partition spaces where the plurality of battery modules are capable of being individually placed; and a plurality of heatsinks formed to have a hollow structure through which a coolant flows, the plurality of heatsinks being selectively coupled to a part of the plurality of beam frames so as to be disposed to face a side surface of the battery modules, respectively, wherein a heat conduction medium having a louver structure is interposed at a thermal interface of the heatsink and the battery module.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: September 28, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Sung-Won Seo, Yoon-Koo Lee
  • BATTERY PACK AND VEHICLE COMPRISING SAME BATTERY PACK
    Publication number: 20210296727
    Abstract: Discussed is a battery pack including: a battery module assembly including a plurality of battery modules including a plurality of battery cells; a pack tray on which the battery module assembly is accommodated; and a tray bar arranged on at least one side edge of the pack tray.
    Type: Application
    Filed: November 7, 2019
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Ah JU, Dal-Mo KANG, Jeong-O MUN, Sung-Won SEO, Yoon-Koo LEE
  • End plate, battery module, battery pack comprising the battery module and vehicle comprising the battery pack
    Patent number: 11121428
    Abstract: A battery module according to an embodiment of the present disclosure includes a cell assembly including a plurality of battery cells stacked side by side in a horizontal direction, each battery cell defining a respective plane extending in a vertical direction perpendicular to the horizontal direction, and an end plate having a support part configured to support a bottom of the cell assembly, an outer side part extending in the vertical direction from an end of the support part, and an inner side part extending downward and inward from a top of the outer side part.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: September 14, 2021
    Inventors: Jin-Yong Park, Jeong-O Mun, Ho-June Chi
  • Battery module having improved cooling structure
    Patent number: 11114712
    Abstract: A battery module having an improved cooling structure according to an embodiment of the present disclosure comprises: a pouch cell laminate comprising a first pouch cell and a second pouch cell located adjacent to the first pouch cell; and cooling fins configured to surround the circumference of an accommodation portion of each of the first pouch cell and the second pouch cell.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: September 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yoon-Koo Lee, Mi-Geum Choi, Jeong-O Mun