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).

  • Battery module, battery pack comprising battery module, and vehicle comprising battery pack
    Patent number: 10644299
    Abstract: Disclosed is a battery module, which includes a battery cell assembly having at least one battery cell, a module case configured to accommodate the battery cell assembly, and a module connector mounted at the module case, wherein the module connector includes a connector pin electrically connected to the battery cell assembly at the inside of the module case so as to be connected to an external connector at the outside of the module case, a connector housing mounted to an outer surface of the module case to surround the connector pin, and a sealing member provided between the connector housing and the module case.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hoon Lee, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee, Jong-Young Lee, Byoung-Cheon Jeong, Mi-Geum Choi, Torsten Karcher, Andreas Track
  • Busbar for cooling battery cell and battery module using same
    Patent number: 10637112
    Abstract: Disclosed are a busbar for cooling battery cells and a battery module using the same. The busbar for cooling battery cells is a busbar configured to cool a plurality of battery cells included in a battery module, and includes: a body portion formed in a strap shape and contacting an electrode lead of each battery cell; and a bent portion integrally formed with the body portion and extending from one end of the body portion to be bent in a thickness direction of the body portion, wherein the bent portion includes: a coupling groove coupled to a coupling protrusion that is prepared on a cooling plate of the battery module or a coupling protrusion that is prepared on a predetermined frame of the battery module, the predetermined frame supporting the busbar; and a thermal contact surface thermally contacting the cooling plate.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: April 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee, Jung-Hoon Lee, Jong-Young Lee, Byoung-Cheon Jeong, Mi-Geum Choi, Hang-June Choi, Alexander Eichhorn, Andreas Track
  • CYLINDRICAL BATTERY CELL ASSEMBLY WITH IMPROVED SPACE UTILIZATION AND SAFETY, AND BATTERY MODULE COMPRISING SAME
    Publication number: 20200127249
    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: Application
    Filed: December 5, 2018
    Publication date: April 23, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ji-Su YOON, Su-Chang KIM, Jae-Min YOO, Jae-Uk RYU, Dal-Mo KANG, Jeong-O MUN
  • Battery Module and Battery Pack Including Same
    Publication number: 20200127250
    Abstract: A battery module, which includes at least one battery cell and a module case for packaging the at least one battery cell, wherein the module case includes: a top cover configured to cover an upper side of the at least one battery cell; and a side plate configured to cover all of opposing side surfaces of the top cover and opposing side surfaces of the at least one battery cell and configured to be coupled to the top cover by fitting.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi, Jin-Yong Park, Jung-Hoon Lee
  • BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING SAME
    Publication number: 20200127318
    Abstract: Discussed is a battery module that includes: at least one battery cell; a pair of pressing plates respectively disposed at opposite side surfaces of the at least one battery cell; and a module cover coupled to the pair of pressing plates to cover an upper side and a lower side of the at least one battery cell, wherein opposite ends of the module cover are bent by a bending to cover an upper end and a lower end of the pair of pressing plates, are welded to the pair of pressing plates, and include a plurality of auxiliary welding beads spaced apart from each other by a predetermined distance along a longitudinal direction of the module cover.
    Type: Application
    Filed: January 3, 2019
    Publication date: April 23, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ho-June CHI, Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Jung-Hoon LEE
  • Battery module
    Patent number: 10629875
    Abstract: Disclosed is a battery module having a simple structure, facilitating reduction in weight and size, and saving manufacturing costs while securing an efficient cooling capability.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: April 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Mi-Geum Choi, Jeong-O Mun, Dal-Mo Kang, Eun-Gyu Shin
  • Cell module assembly having improved safety and pack structure for the cell module assembly
    Patent number: 10622610
    Abstract: Provided is a cell module assembly including: a plurality of cell modules arranged at a predetermined interval; and a pack structure including a pack tray that supports the plurality of cell modules and in which a passage is formed, wherein at least one first venting hole is formed in each of the plurality of cell modules, and a second venting hole matched to the at least one first venting hole and communicating with the passage is formed in the pack tray.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: April 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Jeong-O Mun, Jong-Ha Jeong, Jong-Woon Choi
  • APPARATUS FOR SEALING POUCH CASE
    Publication number: 20200112001
    Abstract: A pouch case sealing apparatus for sealing a pouch case that includes a pouch body for accommodating an electrode assembly of a battery cell and a pouch terrace extending from the pouch body is provided. The pouch case sealing apparatus includes: a pair of sealing jigs, each sealing jig having a pressing surface, the pair of sealing jigs being configured to press and thermally fuse the pouch terrace from upper and lower directions of the pouch terrace so that the pouch case is sealed; and a pair of terrace anti-protruding units formed at respective pressing surfaces of the pair of sealing jigs to prevent an end portion of the pouch terrace from protruding beyond the pouch body in a horizontal direction of the pouch body when the pouch terrace is pressed and thermally fused. A method for sealing a pouch case is also provided.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Tai-Jin JUNG, Dal-Mo KANG, Jeong-O MUN, Eun-Gyu SHIN
  • Battery Module Having Bus Bar Assembly
    Publication number: 20200112014
    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: Application
    Filed: December 13, 2018
    Publication date: April 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee, Ho-June Chi
  • Battery module, and battery pack and vehicle comprising same
    Patent number: 10615383
    Abstract: Disclosed is a battery module, and a battery pack and a vehicle including the battery module. The battery module includes: one or a plurality of unit modules; and a module case having an accommodation space therein in which the plurality of unit modules are placed, wherein the unit module includes: a tube-type unit case having a hollow formed therein; a plurality of battery cells configured in a can-type secondary battery form, located in the hollow of the unit case, disposed side by side along a length direction thereof and electrically connected to each other; and an electrode lead having a positive electrode lead located at one side of the unit module and a negative electrode lead located at the other side of the unit module.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: April 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Jeong-O Mun, Byoung-Cheon Jeong
  • Battery module and battery pack including same
    Patent number: 10608216
    Abstract: A battery module is provided. According to an embodiment of the present disclosure, the battery module may include: a cartridge assembly including a plurality of cartridges, each receiving a battery cell; a casing surrounding the cartridge assembly; and a support member configured to enclose the casing for supporting the casing.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hoon Lee, Jeong-O Mun, Dal-Mo Kang, Byoung-Cheon Jeong
  • Lead welding apparatus, battery module manufactured by the lead welding apparatus, and battery pack comprising the battery module
    Patent number: 10603747
    Abstract: Disclosed is a lead welding apparatus, which is used for welding electrode leads of battery cells facing each other, among battery cells of a battery module, and the lead welding apparatus includes a welding unit configured to weld two electrode leads of the facing battery cells to each other, and a welding jig configured to closely adhere the two electrode leads of the facing battery to each other and press the two electrode leads at one side of the two electrode leads, when welding is performed.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: March 31, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Jeong-O Mun, Se-Won Kim
  • BATTERY MODULE PROVIDED WITH CONNECTOR BREAKING DEVICE
    Publication number: 20200099024
    Abstract: A battery module includes a pair of battery cells, each battery cell having an electrode lead, and the battery cells being stacked to face each other; a connector configured to connect the electrode leads of battery cells; and a connector breaking device disposed in a space formed between terrace portions of the battery cells and configured to be operated with a pressure applied to the connector breaking device due to swelling of at least one of the battery cells to cut off an electric connection between the connector and the electrode leads is provided. A method to interrupt an electrical connection in a battery module is also provided.
    Type: Application
    Filed: June 18, 2018
    Publication date: March 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Ji-Su YOON
  • BATTERY MODULE AND BATTERY PACK INCLUDING SAME
    Publication number: 20200099114
    Abstract: A battery module, which includes: a battery cell stack in which a plurality of battery cells are stacked; a flame spread prevention member configured to cover at least a portion of each battery cell; and a case configured to accommodate the battery cell stack covered by the flame spread prevention member.
    Type: Application
    Filed: December 5, 2018
    Publication date: March 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Dal-Mo KANG, Min-Ho KWON, Su-Chang KIM, Jeong-O MUN, Jae-Min YOO, Ji-Su YOON
  • Battery Module Comprising Bus Bar Assembly
    Publication number: 20200099034
    Abstract: The battery module includes: a cell assembly; and an improved bus bar assembly to provide electric connection between a plurality of secondary batteries of the cell assembly, wherein the bus bar assembly includes: a first insulating frame having one or more insertion portions and including an electrically insulating material; a second insulating frame mounted on the front surface of the first insulating frame and including an electrically insulating material; a first bus bar mounted on the first insulating frame, contacting one of the plurality of electrode leads inserted into each of the one or more insertion portions, and including an electrically conductive material; and a second bus bar mounted on the second insulating frame, contacting one of the plurality of electrode leads inserted into each of the one or more insertion portion, and including an electrically conductive material.
    Type: Application
    Filed: October 31, 2018
    Publication date: March 26, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Electrode lead for a secondary battery, a pouch type secondary battery and a battery module comprising the same
    Patent number: 10601018
    Abstract: Provided is an electrode lead for a secondary battery that is less susceptible to cracks and has improved insulation, and a pouch type secondary battery and a battery module comprising the same. The electrode lead for a secondary battery according to the present disclosure is an electrode lead electrically connected to an electrode assembly, and the electrode lead includes a flat metal conductor and a coverlay type insulating film having an exposed shape at an electrically connected part of the metal conductor.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Jeong-O Mun, Dal-Mo Kang, Su-Chang Kim, Ji-Su Yoon
  • Battery module
    Patent number: 10601089
    Abstract: The present disclosure discloses a battery module having high safety and energy density while having stably cooling efficiency. The battery module of the present disclosure includes: a plurality of pouch-type secondary batteries standing in a vertical direction and stacked in a horizontal direction; a module case configured to accommodate the plurality of secondary batteries in an inner space thereof; a lower filling liquid filled in a lower region of the inner space of the module case and making contact with at least lower portions of the plurality of secondary batteries; and an upper filling liquid having a specific gravity less than a specific gravity of the lower filling liquid and filled in the inner space of the module case above the lower filling liquid.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung-Hoon Lee, Jeong-O Mun
  • Battery Module In Which Cooling And Assembly Structure Is Simplified, And Manufacturing Method Therefor
    Publication number: 20200083575
    Abstract: A battery module includes a plurality of can-type secondary batteries; a cooling tray formed in a container shape and having an accommodation space capable of accommodating the plurality of can-type secondary batteries; a heatsink having a hollow structure in which a coolant flows, the heatsink being disposed in contact with an outer surface of the cooling tray; and a thermally conductive adhesive solution filled in the accommodation space of the cooling tray, wherein the plurality of can-type secondary batteries are arranged such that a lower portion thereof is immersed in the thermally conductive adhesive solution.
    Type: Application
    Filed: September 27, 2018
    Publication date: March 12, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • BATTERY CELL
    Publication number: 20200076015
    Abstract: Disclosed is a battery cell, which includes an electrode assembly, a battery case having a case body for accommodating the electrode assembly and a case terrace extending from the case body, a pair of electrode leads configured to protrude out of the battery case and electrically connected to the electrode assembly, and an overcharge cut-off unit provided in the case terrace to prevent overcharge of the battery cell.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 5, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ji-Su YOON, Dal-Mo KANG, Jeong-O MUN, Jae-Uk RYU
  • BATTERY MODULE HAVING ENHANCED ELECTRICAL CONNECTION STABILITY
    Publication number: 20200067066
    Abstract: A battery module is provided. The battery module includes pouch-type battery cells stacked on each other and electrically connected in series and/or in parallel. Toward an electrode lead of one pouch-type battery cell, electrode leads of other pouch-type battery cells are biased to allow ends of the electrode leads to be overlapped. In particular, each of the pouch-type battery cells has an R bending portion at which a boundary region between a terrace of a pouch case and the electrode leads is bent toward a direction in which the electrode leads are biased.
    Type: Application
    Filed: October 31, 2018
    Publication date: February 27, 2020
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi, Hang-June Choi