Patents by Inventor Ho-June Chi

Ho-June Chi 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: 20240047783
    Abstract: A battery pack includes a battery cell stack formed by a plurality of stacked battery cells, a battery module housing configured to wrap the other outer surfaces of the battery cell stack excluding a first surface and a second surface, from which electrode leads protrude, a water tank configured to supply a coolant to the battery cell or the battery module housing, and a battery pack case configured to receive a plurality of battery module housings. The battery pack case includes a pack case space portion located adjacent to the first surface and a crossbeam located adjacent to the second surface, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: February 8, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jin Yong PARK, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Kyung Woo KIM
  • Patent number: 11881551
    Abstract: An apparatus for mounting a battery cell mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, a roller member around which a film fixed to the support member is wound, and a film guide member configured to move the film into the frame. When the film guide member moves the film into the frame, the support member and the frame move toward each other, and the battery cell stack is movable along the film to be mounted to the frame.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: January 23, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi
  • Patent number: 11870046
    Abstract: Disclosed is a battery pack including a battery module having a plurality of battery cells, and a heat dissipation member provided in contact with a bus bar at a side surface of the battery module where electrode leads of the battery cells and the bus bar coupled to the electrode leads are disposed.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: January 9, 2024
    Inventors: Kyung-Mo Kim, Ho-June Chi, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • Publication number: 20230420797
    Abstract: A battery pack includes a plurality of battery cell stacks, each battery cell stack including a plurality of battery cells; a battery pack case configured to receive the plurality of battery cell stacks, wherein the battery pack case includes a pack case space portion located adjacent to a first side of a first battery cell stack; and a beam located adjacent to a second side of the first battery cell stack; the battery pack case being hollow and configured to store a coolant; and an outlet in the battery pack case.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 28, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jin Yong PARK, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Kyung Woo KIM
  • Publication number: 20230395946
    Abstract: A battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells including an electrode lead are stacked; and a lead frame located on one side of the battery cell stack. A first electrode lead protruding from a first battery cell among the plurality of battery cells and a second electrode lead protruding from a second battery cell among the plurality of battery cells are bent after passing through a slit formed in the lead frame and then overlapped to form an electrode lead assembly. In the electrode lead assembly, at least a part of the first electrode lead and at least a part of the second electrode lead are joined to each other. The lead frame includes a first support part on which the electrode lead assembly is located.
    Type: Application
    Filed: February 23, 2022
    Publication date: December 7, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Heejun JIN, Ho June CHI, Jin Yong PARK, Jeong Oh MOON
  • Publication number: 20230395877
    Abstract: A battery pack according to an embodiment of the present disclosure includes: a pack tray defining an inner space; a plurality of battery modules accommodated in the pack tray; a battery management system (BMS) accommodated in the pack tray; a first cable assembly configured to connect the BMS a first module group from among the plurality of battery modules, the first cable assembly being located adjacent to first module group; and a second cable assembly configured to connect the BMS to a second module group from among the plurality of battery modules, the second cable assembly being located adjacent to second module group.
    Type: Application
    Filed: November 8, 2021
    Publication date: December 7, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin-Yong Park, Kyung-Woo Kim, Ho-June Chi, Jhin-Ha Park, Hee-Jun Jin, Jeong-O Mun
  • Patent number: 11830974
    Abstract: A battery module includes: a cell stack defined by a plurality of battery cells each including a positive electrode lead, a negative electrode lead, and at least one of a sensing negative electrode lead and a sensing positive electrode lead; a bus bar assembly including a plurality of connection bus bars electrically connected to one of the positive and negative electrode leads, a plurality of sensing bus bars electrically connected to the sensing negative electrode lead or the sensing positive electrode lead, and a plurality of bus bar frames including a connection accommodating portion for receiving one of connection bus bars and a sensing accommodating portion for receiving one of sensing bus bars; and a sensing assembly including a sensing frame that receives a circuit board electrically connected to the plurality of connection bus bars and the plurality of sensing bus bars.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 28, 2023
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Ho-June Chi, Jeong-O Mun
  • Publication number: 20230378584
    Abstract: A battery pack includes a plurality of battery modules; a pack tray in which the plurality of battery modules are accommodated; a module cover covering an opening portion formed over the pack tray; a pack cover covering the module cover; and an upper elastic member located between the module cover and the pack cover and compressed, when the module cover moves toward the pack cover due to swelling of the battery module, to absorb volume expansion due to the swelling.
    Type: Application
    Filed: November 12, 2021
    Publication date: November 23, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ho-June CHI, Jeong-O MUN, Kyung-Woo KIM, Jin-Yong PARK, Jhin-Ha PARK, Hee-Jun JIN
  • Publication number: 20230364850
    Abstract: A pouch case manufacturing device pack according to an embodiment of the present disclosure includes a fixing unit that fixes a pouch film of a laminated sheet for battery cells; and a punch unit that presses the pouch film so as to form a storage part on the pouch film. The punch unit includes a central punch unit and an outer peripheral punch unit surrounding the central punch unit, the central punch unit presses the central portion of the pouch film, and the outer peripheral punch unit presses the outer peripheral portion of the pouch film. In in a vertical cross section parallel to the pressing direction of the punch unit, a radius of curvature of a corner of the central punch unit is larger than a radius of curvature of a corner of the outer peripheral punch unit.
    Type: Application
    Filed: November 15, 2021
    Publication date: November 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ho June Chi, Hangjune Choi, Jeong Oh Moon, Dongyeon Kim, Jinhak Kong, Jin Yong Park
  • Publication number: 20230347555
    Abstract: A shaping apparatus for a pouch-shaped battery case includes a punch configured to press a laminate sheet in order to shape an electrode assembly receiving portion of the pouch-shaped battery case, a die in which an accommodation portion is formed having a size corresponding to the electrode assembly receiving portion, a holder configured to fix an outer periphery of the laminate sheet, and an electromagnetic field-generating means attached to the punch and configured to generate an electromagnetic field. A pouch-shaped battery case shaping process uses the shaping apparatus to manufacture the pouch-shaped battery case.
    Type: Application
    Filed: October 13, 2021
    Publication date: November 2, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ho June Chi, Hang June Choi, Jeong Oh Moon, Jin Yong Park
  • Publication number: 20230335856
    Abstract: A battery pack includes a battery module configured to receive a plurality of battery cells, a battery pack case configured to receive two or more battery modules, and a heat sink located under the battery modules, wherein each of the battery modules includes a plurality of battery cells, a water tank located above the plurality of battery cells, and a module case configured to receive the plurality of battery cells and the water tank. When fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: October 19, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Woo KIM, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Jin Yong PARK
  • Publication number: 20230327239
    Abstract: An apparatus mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, and two films, wherein one side of each of the two films is respectively attachable to one of the pair of side covers of the frame, and another side of each of the two films is respectively attachable to one of two side surfaces of the battery cell stack, wherein, when the support member and the frame move toward each other, the two films are movable into the frame, and the battery cell stack is movable along the two films to be mounted to the frame.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi
  • Publication number: 20230299412
    Abstract: A battery module includes a plurality of battery cells; a case in which the plurality of battery cells are accommodated; and a fastening member fastened to the case, and gas generated inside the case is discharged through the fastening member. The battery module can be used in a battery pack and electric vehicle.
    Type: Application
    Filed: June 9, 2022
    Publication date: September 21, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Yong PARK, Ho-June CHI, Jhin-Ha PARK, Jae-Min YOO
  • Publication number: 20230275291
    Abstract: A battery cell according to one embodiment of the present disclosure includes an electrode assembly including a positive electrode, a negative electrode, and a separator; and a pouch case in which a recessed portion for housing the electrode assembly is formed, wherein the pouch case is bent on the basis of at least one edge line among the edges formed by the recessed portion.
    Type: Application
    Filed: July 22, 2021
    Publication date: August 31, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Yong Park, Hangjune Choi, Jeong Oh Moon, Ho June Chi
  • Publication number: 20230261303
    Abstract: A battery module includes a cover and a battery cell stack in the cover. The battery cell stack includes a plurality of battery cells. The battery module further includes a buffer member in contact with the battery cell stack. The buffer member is configured to communicate fluid in the buffer member.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 17, 2023
    Inventors: Ho-June CHI, Hang-June CHOI, Jeong-O MUN, Jin-Yong PARK
  • Publication number: 20230253690
    Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, and a water tank located on one surface of each of the battery module housings, the water tank being configured to receive a coolant, wherein the battery module housing is configured to wrap outer surfaces of the plurality of battery cells. In a battery pack including a plurality of battery modules, it is possible to prevent thermal spread between adjacent battery modules when fire breaks out in a battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 10, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Woo KIM, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Jin Yong PARK
  • Publication number: 20230249017
    Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, and a water tank located on one surface of each of the battery module housings, the water tank being configured to receive a coolant, wherein at least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 10, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Woo KIM, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Jin Yong PARK
  • Publication number: 20230246291
    Abstract: A battery pack includes a battery pack case configured to receive one or more battery modules and a heat sink located above the battery modules, wherein each of the battery modules includes a plurality of battery cells, a water tank located above the plurality of battery cells, and a module case configured to receive the plurality of battery cells and the water tank, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Woo KIM, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Jin Yong PARK
  • Publication number: 20230246292
    Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. The battery module housing is configured to wrap the plurality of battery cells. In a battery pack including a plurality of battery modules, it is possible to prevent thermal spread between adjacent battery modules when fire breaks out in a battery cell.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Woo KIM, Young Bum CHO, Jeong Oh MOON, Hyeon Ki YUN, Eun Gyu SHIN, Ho June CHI, Jin Yong PARK
  • Patent number: 11715853
    Abstract: An apparatus mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, and two films, wherein one side of each of the two films is respectively attachable to one of the pair of side covers of the frame, and another side of each of the two films is respectively attachable to one of two side surfaces of the battery cell stack, wherein, when the support member and the frame move toward each other, the two films are movable into the frame, and the battery cell stack is movable along the two films to be mounted to the frame.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: August 1, 2023
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi