Patents by Inventor Dal Mo Kang

Dal Mo Kang 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).

  • Publication number: 20210288385
    Abstract: Provided are an ICB assembly suitable for a battery module of a horizontal stack structure wherein unidirectional battery cells are stacked such that cell leads face each other, a battery module including the same and a method for manufacturing the same. The ICB assembly of the present disclosure includes an ICB frame configured to accommodate cell leads of unidirectional battery cells having the cell leads formed on one side such that the cell leads face each other are placed on the top surface and the bottom surface of the ICB frame; and a bus bar adapted to electrically connect to the cell leads by being assembled to the ICB frame.
    Type: Application
    Filed: September 4, 2019
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Dal-Mo Kang, Kyung-Mo Kim, Seung-Joon Kim, Jin-Yong Park, Ho-June Chi
  • 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
  • Publication number: 20210273302
    Abstract: Provided are an interconnect board (ICB) assembly suitable for a battery module of horizontal stack structure including unidirectional battery cells stacked with cell leads facing each other, a battery module comprising the same and a method for fabricating the battery module. The ICB assembly according to the present disclosure includes an ICB frame configured to receive leads of unidirectional battery cells such that the unidirectional battery cells having the cell leads at one end are placed facing each other with the cell leads facing each other, and busbars assembled in the ICB frame, size and configured to be electrically connected to the cell leads.
    Type: Application
    Filed: September 4, 2019
    Publication date: September 2, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Dal-Mo Kang, Kyung-Mo Kim, Seung-Joon Kim, Jin-Yong Park, 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: 10985421
    Abstract: The present disclosure provides a battery module including: at least one cell; and a frame assembly including a lower plate configured to support a lower end surface of the cell, a side plate extending perpendicularly from any opposite edge ends of the lower plate and placed adjacent to an outermost side of the cell, and an upper plate coupled to an upper end of the side plate to cover an upper portion of the cell.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: April 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Ji-Su Yoon
  • 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: 10971778
    Abstract: Disclosed is a battery pack configured to prevent its components such as a cell assembly from being broken or damaged even though a physical force such as vibrations and impacts is applied to the battery pack. The battery pack includes a cell assembly having a plurality of secondary batteries; an electronic component plate having a plate shape and configured to allow at least one electronic component to be mounted thereon; a lower housing configured to have an inner space with an open top and to accommodate the cell assembly and the electronic component plate therein; and an upper housing configured to cover the open top of the lower housing, wherein coupling members are respectively provided between a lower portion of the cell assembly and the lower housing, between an upper portion of the cell assembly and the electronic component plate, between the electronic component plate and the upper housing, and between the lower housing and the upper housing to couple and fix each other.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 6, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Young-Sop Eom, Dal-Mo Kang, Jun-Yeob Seong, Sung-Chun Yu, Ki-Youn Kim
  • 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
  • Patent number: 10957955
    Abstract: A battery module including a case having a wall disposed therein to form a channel along which a fluid circulates; and a plurality of battery cells disposed in the case, wherein the wall is disposed between a pair of neighboring battery cells among the plurality of battery cells, and the fluid flows in through an inlet of the case, circulates between the plurality of battery cells along the wall, and flows out through an outlet of the case.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20210083342
    Abstract: A battery module includes: a plurality of battery cells stacked to face each other; a plurality of cell cartridges stacked to surround the plurality of battery cells; and a plurality of PCM capsules disposed in the cell cartridges and each containing a phase change material (PCM) therein.
    Type: Application
    Filed: August 26, 2019
    Publication date: March 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk RYU, Min-Ho KWON, Dal-Mo KANG, Jeong-O MUN
  • Publication number: 20210083254
    Abstract: A unit module includes: a battery cell having an electrode assembly, a cell case for accommodating the electrode assembly, and an electrode lead connected to the electrode assembly and drawn out of the cell case; a bus bar attached to the electrode lead; and a bus bar frame attached to a terrace portion of the battery cell to accommodate at least a portion of the electrode lead and the bus bar therein, the bus bar frame pressing the electrode lead and the bus bar so that the electrode lead and the bus bar are adhered to each other, the bus bar frame having a welding slit formed at a location corresponding to the bus bar and the electrode lead so that a contact portion of the bus bar and the electrode lead is exposed out of the bus bar frame.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Been You, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ho-June Chi