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).

  • 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
  • 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
  • Patent number: 11114710
    Abstract: A battery module includes: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate configured to cover a lower side of the battery cells; a pair of side plates configured to cover both side surfaces of the battery cells; a bus bar unit configured to cover a front side and a rear side of the battery cells, the bus bar being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module. The pair of heat sinks are provided at the upper side and the lower side of the battery cells, respectively.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: September 7, 2021
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Alexander Eichhorn, Andreas Track
  • Patent number: 11088427
    Abstract: A battery module according to the present disclosure includes a plurality of battery cells, each including an electrode lead which extends in horizontal direction from a front side, the electrode lead having at least one bent part, wherein the electrode leads disposed adjacent to each other in up-down direction are stacked in up-down direction in surface contact with each other, and a plurality of lead cartridges, each including two post parts disposed at each of an outer side of one end of the electrode lead and an outer side of the other end, a partition part formed in a shape of a plate which stands erect in up-down direction between the two post parts and having a receiving space in which the electrode leads in surface contact are individually received inside, and a first spacer part which protrudes forward from top of the partition part to space the electrode lead which protrudes out of the receiving space apart from a different electrode lead.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 10, 2021
    Inventors: Eun-Gyu Shin, Jung-Hoon Lee, Jeong-O Mun, Byoung-Cheon Jeong
  • Publication number: 20210234241
    Abstract: Discussed is a battery module that includes a plurality of battery cells having electrode leads protruding in at least one direction; and at least one bus bar disposed at one side of the plurality of battery cells and connected to the electrode leads of the plurality of battery, the bus bar having a beam penetration prevention guider configured to prevent a laser beam from penetrating toward the plurality of battery cells during a laser welding.
    Type: Application
    Filed: August 19, 2019
    Publication date: July 29, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Ho-June CHI
  • Publication number: 20210218087
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Application
    Filed: May 27, 2020
    Publication date: July 15, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Publication number: 20210194099
    Abstract: A battery module includes a plurality of battery cells, a base frame configured to support the plurality of battery cells, a cover frame coupled to the base frame to cover the plurality of battery cells, and a bus bar unit coupled to the cover frame in a tiltable manner so as to be pivotable between a first location fixed to the cover frame and a second location fixed to the base frame, where the first location is oriented at a predetermined angle relative to the second location.
    Type: Application
    Filed: September 9, 2019
    Publication date: June 24, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Ho-June Chi, Seung-Joon Kim, Hee-Jun Jin
  • Patent number: 11031650
    Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked; and a bus bar to which electrode leads provided at the respective plurality of battery cells are coupled, wherein the bus bar presses the electrode leads so that the bus bar and the electrode leads are electrically connected.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: June 8, 2021
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee, Ho-June Chi
  • Publication number: 20210167437
    Abstract: Disclosed is a battery module, as well as a battery pack and a vehicle comprising the same. The battery module includes a plurality of battery cells arranged side by side to face each other in at least one direction, a cooling plate located below the plurality of battery cells, and a heat transfer tape adhered to the battery cells to transfer heat of the battery cells to the cooling plate.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 3, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Mi-Geum CHOI, Dal-Mo KANG, Jeong-O MUN, Yoon-Koo LEE
  • Patent number: 11024896
    Abstract: A battery module includes a plurality of battery cell assemblies, each having at least one battery cell; a bottom case configured to accommodate the plurality of battery cell assemblies; an upper case mounted to an upper side of the bottom case to expose a part of an upper side, a part of a front side and a part of a rear side of adjacent battery cell assemblies of the plurality of battery cell assemblies; and a cooling unit configured to cover the exposed parts of the adjacent battery cell assemblies and having a phase change material for cooling the adjacent battery cell assemblies.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 1, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Jae-Uk Ryu, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 11020842
    Abstract: A jig assembly for laser welding includes a jig body having a first penetration portion through which laser light for welding is capable of passing; a contact member connected to the jig body to contact a welding target, the contact member having a second penetration portion through which the laser light passing through the first penetration portion is capable of passing toward the welding target; a tilting unit having a hinge structure to connect the jig body and the contact member to each other; and an elastic member interposed between the jig body and the contact member to apply an elastic force to provide close contact between the contact member and the welding target.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: June 1, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Tai-Jin Jung, Byoung-Cheon Jeong, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10998597
    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: Grant
    Filed: June 18, 2018
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Publication number: 20210126313
    Abstract: A battery module which includes a cell assembly having a plurality of secondary batteries; a module housing having at least one side wall and configured to accommodate the cell assembly in an internal space defined by the at least one side wall; and an end frame including: a body frame that includes a main wall and at least one side wall extending from an outer circumference of the main wall in a direction where the module housing is positioned; and a coupling plate that is configured such that one side portion of the coupling plate is combined and fixed to the at least one side wall of the body frame and the other side portion of the coupling plate is combined to a front end portion or a rear end portion of the module housing.
    Type: Application
    Filed: October 31, 2018
    Publication date: April 29, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Hoon LEE, Hang-June CHOI, Dal-Mo KANG, Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Ho-June CHI
  • Patent number: 10992008
    Abstract: A battery including a pack housing and a plurality of battery modules accommodated in the pack housing, the pack housing has first and second sides, the first and second sides having openings, and the openings of the first side correspond to respective openings of the second side, the pack housing has a plurality of guide grooves, and each battery module is accommodated into or removed from an inner space of the pack housing through a respective opening by sliding along the guide grooves.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi
  • Patent number: 10992011
    Abstract: A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Su-Chang Kim, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • Patent number: 10985433
    Abstract: A battery module has a cell stack including a first battery cell and a second battery cell, which respectively have electrode leads and are stacked to face each other. A connector configured to connect the electrode leads of the pair of battery cells. A support frame provided to at least one side of the cell stack and having a pair of lead slits at which the electrode leads are drawn and an injection slit formed at a location corresponding to the connector to give a passage through which a venting gas discharged at venting of the battery cell is injected.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Patent number: 10981454
    Abstract: Disclosed is a battery module, which includes a plurality of battery cells stacked one another and respectively having electrode leads protruding in the front and rear directions of the battery module, and a bus bar unit configured to integrally connect the electrode leads of the plurality of battery cells.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: April 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Mi-Geum Choi, Jeong-O Mun, Yoon-Koo Lee, Dal-Mo Kang
  • Patent number: 10971770
    Abstract: A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of I-type beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks disposed between the battery modules and the I-type beam frames and mounted to recessed portions formed at both side of a column that forms a height of the I-type beam frames to absorb heat from the battery modules.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: April 6, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Won Seo, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi, Dal-Mo Kang
  • Patent number: 10964985
    Abstract: A battery module housing having a rectangular tube structure and method for forming the battery module housing is provided. The battery module housing includes a first side plate and a second side plate, the first and second side plates having target portions at upper and lower ends thereof, respectively, and spacers vertically protruding from the target portions; and a top plate and a bottom plate disposed upper and lower portions of the first and second side plates, respectively, each of the top and bottom plates having flyer portions supported on the spacers of the first and second side plates. The flyer portions of the top and bottom plates are joined to the target portions by means of electromagnetic pulse welding such that outer portions of the flyer portions contact the target portions and inner portions of the flyer portions are separated from the target portions by a gap.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: March 30, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Gyu Shin, Tai-Jin Jung, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10957949
    Abstract: Disclosed is a battery module, which includes: a cell assembly composed of pouch cells; a bottom plate configured to support the cell assembly and having slits formed therein at predetermined intervals so that edge portions of the pouch cells are put therein; and a side plate provided perpendicular to a plane of the bottom plate and disposed adjacent to an outermost side of the cell assembly, wherein as the edge portions of the pouch cells are put into the slits of the bottom plate, empty spaces are respectively formed between adjacent edge portions, and wherein the empty spaces are used as a cooling channel.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: March 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Yoon-Koo Lee, Dal-Mo Kang, Sang-Woo Ryu, Jeong-O Mun, Sung-Won Seo