Patents by Inventor Tae Gu LEE

Tae Gu LEE 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: 12172231
    Abstract: The present invention provides a battery module, which includes: a plurality of battery cells which include electrode tabs, respectively; and one or more bus bars connected to the electrode tabs for electrically connecting the plurality of battery cells with each other, wherein each of the one or more bus bars includes a plate having one or more openings formed therein, and a plurality of adjacent electrode tabs among the electrode tabs are inserted into any one of the one or more openings of the plate to be electrically connected with each other.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: December 24, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Tae Gu Lee, Kenneth Kim, Yun Joo Noh
  • Patent number: 12062802
    Abstract: Disclosed are a battery cell assembly for a secondary battery, the battery cell assembly for a secondary battery comprising: at least one battery cell; and a first frame disposed on one side of the at least one battery cell; and a second frame which is disposed on the other side of the at least one battery cell so as to face the first frame and which is coupled to the first frame so as to protect the edge of the at least one battery cell together with the first frame. The present invention uses a frame type cell support which retains and supports at least one battery cell without separation, thereby providing a battery cell assembly for a secondary battery, namely a sub-battery module receiving body, having improved structural stability and assembly convenience, and a secondary battery comprising the same.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: August 13, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Tae Gu Lee, O Sung Kwon, Gyu Jin Chung, Young Ki Kim
  • Patent number: 12034172
    Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a plurality of battery cells each including an electrode assembly and an electrode tab protruding from the electrode assembly, and a bus bar assembly coupled to the electrode tabs and connecting the plurality of battery cells. The bus bar assembly includes a main frame having a slit into which the electrode tab is inserted, a bus bar positioned on an outer surface of the main frame and electrically connected to the electrode tab, a plurality of inner frames facing an inner surface of the main frame and spaced apart from each other in a direction in which the battery cells are stacked, and a venting induction portion formed in a concave shape toward the electrode assembly and formed at an upper end portion of at least one of the plurality of inner frames.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: July 9, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Bon Seok Ku, Tae Gu Lee
  • Publication number: 20240145808
    Abstract: A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; and bus bar assemblies located on sides of the battery stack, from which the electrode tabs are drawn out, to electrically connect the plurality of battery cells to each other through a plurality of electrode tabs, wherein each of the bus bar assemblies includes a plurality of openings configured to hold the plurality of electrode tabs, and each of the plurality of openings includes an insertion portion formed by opening one side thereof so that the electrode tab is slidely inserted in a direction perpendicular to a direction in which the electrode tabs are drawn out.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Seung Hun LEE, Tae Gu LEE, Kwan Yong KIM, Kenneth KIM
  • Publication number: 20240106048
    Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a plurality of battery cells each including an electrode assembly and an electrode tab protruding from the electrode assembly, and a bus bar assembly coupled to the electrode tabs and connecting the plurality of battery cells. The bus bar assembly includes a main frame having a slit into which the electrode tab is inserted, a bus bar positioned on an outer surface of the main frame and electrically connected to the electrode tab, a plurality of inner frames facing an inner surface of the main frame and spaced apart from each other in a direction in which the battery cells are stacked, and a venting induction portion formed in a concave shape toward the electrode assembly and formed at an upper end portion of at least one of the plurality of inner frames.
    Type: Application
    Filed: May 17, 2023
    Publication date: March 28, 2024
    Inventors: Bon Seok KU, Tae Gu LEE
  • Publication number: 20240063461
    Abstract: A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; bus bar assemblies located on both sides of the battery stack, from which the electrode tabs are drawn, to electrically connect the plurality of battery cells to each other through the plurality of electrode tabs; and a sensing module assembly disposed on one side of the battery stack, from which the electrode tab is not drawn out, to electrically connect the bus bar assemblies on both sides of the battery stack.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Inventors: Seung Hun LEE, Yun Joo NOH, Tae Gu LEE
  • Patent number: 11901530
    Abstract: A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; and bus bar assemblies located on sides of the battery stack, from which the electrode tabs are drawn out, to electrically connect the plurality of battery cells to each other through a plurality of electrode tabs, wherein each of the bus bar assemblies includes a plurality of openings configured to hold the plurality of electrode tabs, and each of the plurality of openings includes an insertion portion formed by opening one side thereof so that the electrode tab is slidely inserted in a direction perpendicular to a direction in which the electrode tabs are drawn out.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 13, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Seung Hun Lee, Tae Gu Lee, Kwan Yong Kim, Kenneth Kim
  • Patent number: 11894532
    Abstract: The present invention provides a battery module including: a battery group including a plurality of battery cells stacked with each other; a cooling plate which is located in contact with one side of the battery group to cool the plurality of battery cells; and a case which is located on the other side of the battery group so as to surround the battery group, wherein the case comprises an upper cover located on the other side of the battery group; and side covers which vertically extend from the upper cover so as to surround side portions of the plurality of battery cells from which electrode tabs protrude.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: February 6, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Kwan Yong Kim, Kenneth Kim, Yun Joo Noh, Tae Gu Lee
  • Publication number: 20240039127
    Abstract: A battery module includes a printed circuit board (PCB) having a copper pattern; a flexible printed circuit board (FPCB) having a copper pattern; and a conductive bonding portion for bonding the PCB to the FPCB, wherein the copper pattern of the PCB and the copper pattern of the FPCB are electrically connected to each other by a conductive metal particles, and wherein at least one of the copper pattern of the PCB and the copper pattern of the FPCB has at least one or more alloy layers selected from a group consisting one or more of Ni—Sn and Au—Ni—Sn—Bi.
    Type: Application
    Filed: June 26, 2023
    Publication date: February 1, 2024
    Inventors: Eun Young KIM, Ji Eun KANG, Tae Gu LEE, Hyun Jay JUNG, Soo Hwan JO
  • Patent number: 11848432
    Abstract: A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; bus bar assemblies located on both sides of the battery stack, from which the electrode tabs are drawn, to electrically connect the plurality of battery cells to each other through the plurality of electrode tabs; and a sensing module assembly disposed on one side of the battery stack, from which the electrode tab is not drawn out, to electrically connect the bus bar assemblies on both sides of the battery stack.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: December 19, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Seung Hun Lee, Yun Joo Noh, Tae Gu Lee
  • Patent number: 11824218
    Abstract: Provided is a battery module including a pad having characteristics of expanding at a predetermined temperature or higher, thereby blocking a path along which a high-temperature, high-pressure gas discharged from the battery cell in which an event occurs moves, and thus, the gas is prevented from spreading to other battery cells.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: November 21, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Seung Hun Lee, Tae Gu Lee
  • Publication number: 20230352766
    Abstract: The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.
    Type: Application
    Filed: July 4, 2023
    Publication date: November 2, 2023
    Inventors: Jae Il HWANG, Tae Gu LEE
  • Patent number: 11769918
    Abstract: The present invention provides a method of manufacturing a battery module, which includes: stacking a plurality of battery cells; applying a thermal conductive member to at least a part of one side of the plurality of battery cells; and bring a cooling plate into contact with the one side of the plurality of stacked battery cells after applying the thermal conductive member, wherein the one side of the plurality of battery cells is an adhesion part which is formed by adhering a case to the electrode assembly on one side except for three sides on which a sealing part is formed by adhering the case among circumferential surfaces of the battery cell in a longitudinal direction thereof.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: September 26, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Kwan Yong Kim, Tae Gu Lee, Hyeong Kwan Kang
  • Publication number: 20230291059
    Abstract: A battery pack includes a cell assembly; and a pack case accommodating the cell assembly in an internal space, wherein the pack case includes a lower plate having a plate shape and a frame disposed to protrude upwardly from the lower plate, wherein the frame has an inlet through which flame flows from the cell assembly into the internal space of the frame, and a flow path through which the flame flowing in from the inlet flows, wherein the flow path is formed by a partition wall disposed in the length direction of the frame, and wherein at least two or more of the partition walls are spaced apart from each other in the height direction of the frame such that a direction of the flow path is able to be changed.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 14, 2023
    Inventors: Seung Hun LEE, Tae Gu LEE, Ji Hoon LIM, Yang Kyu CHOI
  • Publication number: 20230291071
    Abstract: A battery pack may include a pack housing including an accommodation space and a venting passage connecting the accommodation space to outside, a partition wall member partitioning the accommodation space, a plurality of pack units including battery cells, the plurality of pack units disposed in the accommodation space, and a blocking unit provided between the accommodation space and the venting passage, the blocking unit blocking a substance generated in the pack unit from entering the venting passage.
    Type: Application
    Filed: March 9, 2023
    Publication date: September 14, 2023
    Inventors: Ji Hoon LIM, Seung Hun LEE, Tae Gu LEE, Yang Kyu CHOI
  • Publication number: 20230291068
    Abstract: A battery pack includes a pack housing having an internal space; and a battery module including a plurality of battery cells and accommodated in the internal space, wherein the pack housing includes a support frame opposing at least one side of the battery module and having a venting passage formed therein, and wherein the support frame includes a plurality of guide blocks inserted into the battery module; and an opening disposed between the plurality of guide blocks and communicating with the venting passage and the internal space.
    Type: Application
    Filed: March 13, 2023
    Publication date: September 14, 2023
    Inventors: Seung Hun LEE, Ji Hoon LIM, Tae Gu LEE, Yang Kyu CHOI
  • Publication number: 20230278138
    Abstract: The present invention provides a battery module, which includes: a plurality of battery cells which include electrode tabs, respectively; and one or more bus bars connected to the electrode tabs for electrically connecting the plurality of battery cells with each other, wherein each of the one or more bus bars includes a plate having one or more openings formed therein, and a plurality of adjacent electrode tabs among the electrode tabs are inserted into any one of the one or more openings of the plate to be electrically connected with each other.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 7, 2023
    Inventors: Tae Gu LEE, Kenneth KIM, Yun Joo NOH
  • Patent number: 11749855
    Abstract: The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: September 5, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Jae Il Hwang, Tae Gu Lee
  • Patent number: 11691220
    Abstract: The present invention provides a battery module, which includes: a plurality of battery cells which include electrode tabs, respectively; and one or more bus bars connected to the electrode tabs for electrically connecting the plurality of battery cells with each other, wherein each of the one or more bus bars includes a plate having one or more openings formed therein, and a plurality of adjacent electrode tabs among the electrode tabs are inserted into any one of the one or more openings of the plate to be electrically connected with each other.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: July 4, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Tae Gu Lee, Kenneth Kim, Yun Joo Noh
  • Patent number: 11462797
    Abstract: A battery module may include a plurality of sub-modules arranged in a single direction, a cooling unit contacting one sides of the plurality of sub-modules to cool the plurality of sub-modules, and a heating unit contacting other sides opposing the one sides of the plurality of sub-modules to heat the plurality of sub-modules.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: October 4, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Tae Gu Lee, Ji Hoon Lim, Kyoung Min Cho