Patents by Inventor Yoon-Koo LEE

Yoon-Koo 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).

  • Publication number: 20230047201
    Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
    Type: Application
    Filed: November 1, 2022
    Publication date: February 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung-Won Seo, Dong Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
  • Publication number: 20230025968
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides of the sensing bus bar in a left and right direction of the bus bar frame.
    Type: Application
    Filed: November 11, 2020
    Publication date: January 26, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyung-Mo Kim, Eun-Gyu Shin, Jae-Min Yoo, Hyeon-Ki Yun, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Patent number: 11561152
    Abstract: An apparatus for predicting a degree of deformation of a battery module, caused by swelling of a secondary battery. The battery module includes at least one secondary battery in a module case. The apparatus includes a cell evaluation module configured to derive a relationship between a thickness change amount and a reaction force for a single secondary battery; a case evaluation module configured to derive a relationship between a load applied to the module case and a width change amount of the module case; and a prediction module configured to predict a deformation amount of the battery module by using the relationship between the thickness change amount and the reaction force of the secondary battery, derived by the cell evaluation module, and the relationship between the load and the width change amount of the module case, derived by the case evaluation module.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: January 24, 2023
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Sung-Won Seo, Yoon-Koo Lee, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20230006275
    Abstract: A battery module prevents heat transfer between cell module assemblies in the battery module and includes a plurality of cell module assemblies and module plates. Each of the cell module assemblies includes a plurality of battery cells and an individual housing configured to receive the plurality of battery cells, the individual housing includes an upper plate located at the upper part of the plurality of battery cells, a lower plate located at the lower part of the plurality of battery cells, and two side plates located at opposite side surfaces of the plurality of battery cells, the two side plates being configured to connect the upper plate and the lower plate to each other, excluding a front and a rear of the plurality of battery cells, from which electrode leads protrude.
    Type: Application
    Filed: August 19, 2020
    Publication date: January 5, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun Gyu SHIN, Jae Min YOO, Jeong Oh MOON, Yoon Koo LEE
  • Publication number: 20220393307
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides and a rear side of the sensing bus bar in a left and right direction and a front and rear direction of the bus bar frame.
    Type: Application
    Filed: November 11, 2020
    Publication date: December 8, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyung-Mo Kim, Eun-Gyu Shin, Jae-Min Yoo, Hyeon-Ki Yun, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Patent number: 11522246
    Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: December 6, 2022
    Inventors: Sung-Won Seo, Dong-Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
  • Publication number: 20220320628
    Abstract: A battery module includes a plurality of battery cells stacked on each other; a module case configured to accommodate the plurality of battery cells; and a plurality of thermal runaway prevention units provided in the module case and respectively disposed between the plurality of battery cells along a stacking direction of the plurality of battery cells.
    Type: Application
    Filed: September 2, 2020
    Publication date: October 6, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE
  • Patent number: 11456502
    Abstract: A battery module includes a plurality of battery cells stacked to be electrically connected to each other, each battery cell of the plurality of battery cells having a pair of electrode leads, a plurality of cell cartridges each configured to cover a protruding portion of one of the electrode leads, and a plurality of block bus bars respectively provided to the plurality of cell cartridges and respectively electrically connected to the electrode leads, the plurality of block bus bars each having a guide coupling formed on at least one side thereof to protrude along a stacking direction of the plurality of battery cells.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: September 27, 2022
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee
  • Patent number: 11456500
    Abstract: Disclosed is a battery module, which includes: a plurality of battery cells stacked side by side; a module case configured to accommodate the plurality of battery cells; a heatsink mounted to an outer side of the module case to cool the plurality of battery cells; and at least one heat transfer pad disposed in contact with the heatsink and the plurality of battery cells to penetrate the module case at least partially.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 27, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ho-June Chi, Jeong-O Mun, Jin-Yong Park, Sung-Won Seo, Yoon-Koo Lee
  • Patent number: 11450913
    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 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 having a hollow structure through which a coolant flows, wherein each heatsink is coupled to a part of a respective one of the plurality of beam frames and faces a side surface of a respective one of the plurality of battery modules, at least one drainage hole is provided at the tray and at least one drainage hole is provided at the beam frame, and the at least one drainage hole of the tray and the at least one drainage hole of the beam frame are provided below the heatsink.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: September 20, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Won Seo, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi, Dal-Mo Kang
  • Publication number: 20220285802
    Abstract: A battery module system includes a cooling device, a battery module disposed on the cooling device, the battery module being in direct or indirect contact with the cooling device, a sensor attached to the battery module to sense a temperature of the battery module or gas generated from the battery module, a battery management system to output a switching on/off signal with reference to a sensing signal transmitted from the sensor; and an external short-circuiting device connected between the positive electrode and negative electrode of the battery module to induce an external short circuit of the battery module, the external short-circuiting device including: a resistor disposed on the cooling device, the resistor being in direct or indirect contact with the cooling device; and a switch to electrically connect or isolate the battery module to/from the resistor according to the switching on/off signal.
    Type: Application
    Filed: July 6, 2020
    Publication date: September 8, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
  • Patent number: 11437660
    Abstract: A battery module including a cell assembly having a plurality of secondary batteries stacked in at least one direction and configured so that electrode leads of the secondary batteries protrude in at least one direction of forward direction and a rearward direction thereof; an upper housing disposed at an upper portion of the cell assembly; and a sensing block located at at least one of a front side and a rear side of the cell assembly and having a bus bar made of an electrically conductive material and contacting the electrode leads of the secondary batteries at the corresponding front side or rear side of the cell assembly is provided. The sensing block being slidably coupled to the upper housing.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: September 6, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Ah Ju, Sung-Won Seo, Yoon-Koo Lee, Hee-Jun Jin, Jeong-O Mun
  • Publication number: 20220271376
    Abstract: A pouch type secondary battery in which an electrode lead of the pouch type secondary battery and an electrode lead of an adjacent different pouch type secondary battery are welded together to construct a battery module is provided. The electrode lead of the pouch type secondary battery includes a length extended part so that, after cutting a welded part of the electrode leads of the pouch type secondary battery and the adjacent different pouch type secondary battery to form electrode leads of remaining length, the electrode leads of remaining length are welded together again. A battery module and method of reusing the battery module are also provided.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hee-Jun JIN, Sung-Won SEO, Yoon-Koo LEE, Eun-Ah JU, Jeong-O MUN
  • Publication number: 20220271387
    Abstract: A battery module includes a cell assembly having at least two battery cells; a module housing having an inner space accommodating the cell assembly, and including a circulation hole so that the inner space is connected to an outside; a mesh member having a mesh structure and provided in the circulation hole of the module housing; and a sealing member provided at a position facing the mesh member and configured to expand a volume at more than a predetermined temperature to seal a mesh hole of the mesh member.
    Type: Application
    Filed: August 20, 2020
    Publication date: August 25, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Seung-Hyun KIM, Jae-Min YOO, Young-Seok LEE, Jeong-O MUN, Yoon-Koo LEE
  • Publication number: 20220247010
    Abstract: A battery pack according to an embodiment of the present disclosure may includes a plurality of battery modules having at least one battery cell and having heatsink units respectively provided to upper and lower sides thereof. The heatsink unit may have a cooling channel through which a coolant flows. At least one crush beam may be provided between the plurality of battery modules. A pack tray configured to support the at least one crush beam and the plurality of battery modules may be provided. A plurality of drain holes may be provided in the pack tray to discharge the coolant out of the battery pack when the coolant leaks.
    Type: Application
    Filed: August 3, 2020
    Publication date: August 4, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun-Ah Ju, Sung-Won Seo, Jae-Min Yoo, Jeong-O Mun, Yoon-Koo Lee
  • Patent number: 11380955
    Abstract: Disclosed is a battery module, which includes a plurality of battery cells disposed to face each other and arranged side by side at least in a first direction, a module cover configured to accommodate the plurality of battery cells and formed to have at least one open side, and a pair of buffering members located between one side of a battery cell located at an outermost side in the first direction among the plurality of battery cells and a side of the module cover so that at least a part thereof is in contact with the sides of the battery cells and the module cover, respectively, wherein the buffering member is a leaf spring having at least one bent portion.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: July 5, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mi-Geum Choi, Jeong-O Mun, Dal-Mo Kang, Yoon-Koo Lee, Jung-Been You, Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi
  • Patent number: 11362389
    Abstract: A pouch type secondary battery in which an electrode lead of the pouch type secondary battery and an electrode lead of an adjacent different pouch type secondary battery are welded together to construct a battery module is provided. The electrode lead of the pouch type secondary battery includes a length extended part so that, after cutting a welded part of the electrode leads of the pouch type secondary battery and the adjacent different pouch type secondary battery to form electrode leads of remaining length, the electrode leads of remaining length are welded together again. A battery module and method of reusing the battery module are also provided.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: June 14, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Patent number: 11349172
    Abstract: A battery module including a battery cell assembly having at least one battery cell, a module case accommodating the battery cell assembly and including a first cover plate covering a first side of the battery cell assembly and a second cover plate covering a second side of the battery cell assembly, the second side being different from the first side, and at least one bolting member integrally fastened through the first cover plate and the second cover plate of the module case, wherein each bolting member includes a first portion fastened to the first cover plate and a second portion fastened to the second cover plate, the first and second portions of each bolting member have different diameters.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: May 31, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Publication number: 20220123429
    Abstract: A battery module includes battery cells; a module case configured to accommodate the battery cells and having an internal cooling channel provided at both sides of the plurality of battery cells; a venting opening provided at both side surfaces of the module case; a sheet member mounted to both side surfaces of the module case to cover the venting opening and melted over a predetermined temperature to open the venting opening; and a blocking bracket spaced apart from the sheet member by a predetermined distance and mounted to inner walls at both sides of the module case.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 21, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Eun-Gyu SHIN, Sang-Hyun JO, Jeong-O MUN, Yoon-Koo LEE
  • Publication number: 20220115737
    Abstract: A battery module has a reduced risk of secondary fire or explosion. The battery module includes at least two cell assemblies including a plurality of secondary batteries, a module housing having a gas passage on at least one of left side or right side of the cell assembly for circulation of gas generated from the cell assembly, and a flame retardant plate including a body interposed between the at least two cell assemblies, and a flame barrier extending in a left-right direction from at least one of left end or right end of the body and disposed in part of the gas passage.
    Type: Application
    Filed: June 23, 2020
    Publication date: April 14, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI