Patents by Inventor Jin-Hak KONG

Jin-Hak KONG 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: 11404738
    Abstract: A battery pack is provided. The battery pack includes: a plurality of battery modules mutually connected by a bus bar; a mold assembly including a module receiver configured to receive the battery module; and a pack case configured to receive the mold assembly.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 2, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Chul Yun, Jin-Hak Kong, Yong-Seok Choi
  • Publication number: 20220231345
    Abstract: A battery, includes an electrode assembly having a first electrode, a second electrode and a separator, wherein each of the first electrode and the second electrode has a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material; a battery housing having a first end with a first opening and a second end with a second opening opposite the first end, the battery housing accommodating the electrode assembly through the second opening at the second end and electrically connected to the second portion of the second electrode; a terminal electrically connected to the second portion of the first electrode and exposed out of the battery housing through the first opening of the battery housing at the first end; and a cap covering and sealing the second opening at the second end of the battery housing.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kwang-Su Hwangbo, Do-Gyun Kim, Geon-Woo Min, Hae-Jin Lim, Min-Ki Jo, Su-Ji Choi, Bo-Hyun Kang, Jong-Sik Park, Jae-Won Lim, Yu-Sung Choe, Hak-Kyun Kim, Je-Jun Lee, Byoung-Gu Lee, Duk-Hyun Ryu, Kwan-Hee Lee, Jae-Eun Lee, Jae-Woong Kim, Ji-Min Jung, Jin-Hak Kong, Soon-O Lee, Kyu-Hyun Choi, Pil-Kyu Park
  • 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: 11342623
    Abstract: Disclosed is a battery pack, which includes a plurality of battery modules, each having at least one battery cell, and a battery tray to which the plurality of battery modules are mounted. The plurality of battery modules are coupled to each other by sliding and make surface contact with each other on at least one side surface thereof.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: May 24, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Hak Kong, Dong-Yeon Kim, Yong-Seok Choi
  • Patent number: 11329272
    Abstract: Disclosed herein is a method of manufacturing an electrode for a secondary battery, including: a process of continuously forming two or more slurry coated parts on one surface or both surfaces of metal foil in a second direction which is a longitudinal direction of the metal foil so that a non-coated part which an electrode slurry is not coated is positioned between the slurry coated parts coated with the electrode slurry including an electrode active material in a first direction which is a transverse direction of the metal foil; a process of forming mixture coated parts by drying the slurry coated parts and rolling by a roller; and a process of forming electrode strips by slitting the non-coated part in the second direction, wherein before continuously forming the slurry coated parts, while continuously forming the slurry coated parts, or between continuously forming the slurry coated parts and forming the mixture coated parts, the method further includes a process of forming non-continuous linear slits in
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 10, 2022
    Inventors: Sang Youn Park, Kyu Hyun Choi, Jin Hak Kong
  • Publication number: 20220123354
    Abstract: An apparatus for manufacturing a secondary battery includes: a recess induction part configured to allow a folding part folded in a battery case of a secondary battery to be recessed inward so as to provide a recess part when the battery case of the secondary battery is folded; a first guide, of which one side of one end is recessed to define a concave space, wherein, when the battery case of the secondary battery is folded, the one end is configured to be inserted into the battery case to push the folding part to an outside so that the recess induction part is configured to be inserted into the concave space; and a second guide configured to hold a sealing part of the battery case so as to fix the battery case.
    Type: Application
    Filed: March 31, 2020
    Publication date: April 21, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sang Kyun Lee, Min Soo Park, Dong Yeon Kim, Jin Hak Kong, Eui Jin Hong
  • Patent number: 11264670
    Abstract: Disclosed is a battery pack, which includes a plurality of unit battery modules, each unit battery module having a plurality of battery cells accommodated in an inner space thereof, the plurality of unit battery modules being structurally connected successively in one direction; and a pack case configured to cover the plurality of unit battery modules, wherein each unit battery module has two side plates forming opposite side surfaces thereof, and wherein one of the side plates of any one of the unit battery modules and one of the side plates of another one of the unit battery modules adjacent thereto are engaged with each other to form a single common wall.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 1, 2022
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Jin-Yong Park, Sung-Won Seo, Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi
  • Patent number: 11264650
    Abstract: An apparatus and method for testing the strength of an end plate mounted in a battery module. The apparatus includes a memory unit configured to store a first parameter representing a number of battery cells included in the battery module, a second parameter representing a spring constant of a battery cell and a third parameter representing a spring constant of the end plate, and a control unit configured to generate a one-dimensional model associated with the battery module based on the first parameter, calculate a first F-D curve based on the second and third parameters and the one-dimensional model, and store first reference data representing the first F-D curve in the memory unit. The first F-D curve corresponds to a relationship between a deformation amount and a load of the end plate according to the number of battery cells represented by the first parameter.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: March 1, 2022
    Inventors: Jee-Soon Choi, Jin-Hak Kong, Dong-Yeon Kim, Yong-Seok Choi
  • Patent number: 11205817
    Abstract: Disclosed is a battery pack. The battery pack includes: a plurality of battery modules each having a plurality of battery cells therein; and a guide member coupled to each of the battery modules, the guide member being configured to guide movement of the battery modules when the plurality of battery modules are assembled adjacent to one another.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: December 21, 2021
    Inventors: Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Jin-Yong Park
  • Patent number: 11121395
    Abstract: A battery module including a plurality of battery cells stacked on one another, a casing configured to surround the battery cell stack, and an elastic member coupled to an inner side of the casing while avoiding an interference with the battery cells so that a uniform pressure is formed at the battery cells when swelling occurs at the battery cells is provided.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: September 14, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Jee-Soon Choi
  • Patent number: 10974285
    Abstract: The present disclosure provides a device for cleaning a protective film to be attached to an outer surface of a laminate during a lamination process of heating and pressing the laminate of electrodes and a separator to produce an electrode assembly of a battery cell, including a feed roll configured to supply the protective film, at least one guide roll configured to guide a progress of the protective film supplied from the feed roll, a cleaning roll located between the feed roll and a winding roll and configured to remove foreign substances remaining on the protective film supplied from the feed roll, and the winding roll configured to wind the protective film from which foreign substances have been removed by the cleaning roll, wherein a nano thin film is formed on an outer surface of the cleaning roll to adsorb and remove the foreign substances remaining on the protective film.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 13, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Youn Park, Jin Hak Kong, Kyu Hyun Choi
  • Patent number: 10978759
    Abstract: A battery module according to an aspect of the present disclosure includes a cooling plate provided in a plate shape and having a plurality of slits at respective predetermined positions, a plurality of battery cells uprightly disposed parallel to one another in one direction on the cooling plate, and a plurality of cooling fins, each cooling fin having a wall surface uprightly disposed over the cooling plate to come into contact with one surface of the battery cell and a lower flange integrally formed with the wall surface and disposed through the slit of the cooling plate to come into contact with a bottom surface of the cooling plate, the plurality of cooling fins spaced apart by a predetermined distance from one another and arranged between the plurality of battery cells.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: April 13, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Jong-Hyun Jo
  • Publication number: 20210036277
    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: February 13, 2019
    Publication date: February 4, 2021
    Applicant: LG Chem, 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
  • Patent number: 10845181
    Abstract: Disclosed is an apparatus capable of effectively and accurately predicting a deformation characteristic in relation to swelling of a secondary battery. The secondary battery evaluation apparatus includes a fixed jig configured to hold a first secondary battery and restrict swelling of the held first secondary battery, the fixed jig measuring a change in a first reaction force of the first secondary battery according to charging and discharging cycles; a variable jig configured to hold a second secondary battery and allow swelling of the held second secondary battery, the variable jig measuring a second reaction force and a first thickness change amount of the second secondary battery according to charging and discharging cycles; and a deriving unit configured to derive a relationship between the first reaction force measured by the fixed jig and the second reaction force and the first thickness change amount measured by the variable jig.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: November 24, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Sung-Won Seo, Yoon-Koo Lee, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10804510
    Abstract: Disclosed is a battery pack, which may effectively prevent a bending phenomenon caused by a load while ensuring excellent assembling and compatibility and light weight, and a vehicle including the battery pack. The battery pack includes: a plurality of battery modules including at least one secondary battery accommodated in a module case and a side surface coupling unit provided at an outer side portion of the module case, the plurality of battery modules being arranged in a lateral direction so that side surfaces thereof face each other with intervals therebetween; and a fixing member having an interposing portion interposed between side surfaces of two adjacent battery modules and coupled to the side surface coupling units of the two adjacent battery modules so that two or more battery modules are coupled and fixed.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Han-Sol Lee, Jin-Hak Kong, Su-Hang Lee, Kyu-Hyun Choi, Yong-Seok Choi
  • Publication number: 20200287182
    Abstract: Disclosed is a battery pack, which includes a plurality of battery modules, each having at least one battery cell, and a battery tray to which the plurality of battery modules are mounted. The plurality of battery modules are coupled to each other by sliding and make surface contact with each other on at least one side surface thereof.
    Type: Application
    Filed: August 30, 2018
    Publication date: September 10, 2020
    Inventors: Jin-Hak Kong, Dong-Yeon Kim, Yong-Seok Choi
  • Publication number: 20200266398
    Abstract: A battery module for improving heat balance of a cell assembly provided in the battery module includes a cell assembly having at least three battery cells stacked along a stacking axis such that at least one battery cell located at an interior position within the cell assembly along the stacking axis has a greater thickness along the stacking axis than a battery cell located at an outer side of the cell assembly. A module housing includes at least one sidewall and is configured to accommodate the cell assembly in an inner space defined by the sidewall.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jee-Soon Choi, Jin-Hak Kong, Yong-Seok Choi
  • Publication number: 20200203712
    Abstract: Disclosed herein is a method of manufacturing an electrode for a secondary battery, including: a process of continuously forming two or more slurry coated parts on one surface or both surfaces of metal foil in a second direction which is a longitudinal direction of the metal foil so that a non-coated part which an electrode slurry is not coated is positioned between the slurry coated parts coated with the electrode slurry including an electrode active material in a first direction which is a transverse direction of the metal foil; a process of forming mixture coated parts by drying the slurry coated parts and rolling by a roller; and a process of forming electrode strips by slitting the non-coated part in the second direction, wherein before continuously forming the slurry coated parts, while continuously forming the slurry coated parts, or between continuously forming the slurry coated parts and forming the mixture coated parts, the method further includes a process of forming non-continuous linear slits in
    Type: Application
    Filed: August 11, 2017
    Publication date: June 25, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sang Youn PARK, Kyu Hyun CHOI, Jin Hak KONG
  • Publication number: 20200158596
    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: Application
    Filed: January 23, 2018
    Publication date: May 21, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Sung-Won Seo, Yoon-Koo Lee, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10601005
    Abstract: Provided is a battery module that is simple, compact and sure to improve the mechanical performance against cell pressing, swelling and impacts and a method for fabricating the same. The battery module according to the present disclosure includes two or more pouch-type battery cells, and a hollow quadrilateral monoframe in which the battery cells are received, wherein the monoframe has a first opening and a second opening that are open to two sides in lengthwise direction of the battery cells, wherein a cushion bag is provided in close contact between the battery cells and the monoframe.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Su-Hang Lee, Kyu-Hyun Choi, Yong-Seok Choi, Jin-Hak Kong