Patents by Inventor Jin Kyu Lee

Jin Kyu 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).

  • Battery pack case having efficient cooling structure
    Patent number: 10944138
    Abstract: Disclosed herein is a battery pack case configured to receive a battery module assembly including a plurality of battery modules, each having a plurality of battery cells or unit modules mounted therein, sequentially stacked, wherein a coolant inlet port and a coolant outlet port are located at the upper part and the lower part of the battery pack case, respectively, in a state in which the coolant inlet port and the coolant outlet port are opposite to each other such that a coolant for cooling the unit modules flows from one side of the battery modules to the opposite side of the battery modules in a direction perpendicular to a direction in which the unit modules are stacked, and an inclined plate for guiding the flow of the coolant is provided between the battery pack case and the battery modules.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: March 9, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Soon Chang Hong, Jinhong Park, Hyoungsuk Lee, Bohyon Kim, Jin Kyu Lee
  • BATTERY MODULE, BATTERY PACK COMPRISING SAME BATTERY MODULE, AND VEHICLE COMPRISING SAME BATTERY PACK
    Publication number: 20210057789
    Abstract: A battery module includes module case having a heatsink mounted to at least one side thereof. A plurality of battery cells are accommodated in the module case and stacked to be electrically connected to each other, and a plurality of pores are formed between facing battery cells among the plurality of battery cells to delay heat transfer.
    Type: Application
    Filed: March 8, 2019
    Publication date: February 25, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jin-Kyu LEE, Soo-Han KIM
  • BATTERY MODULE HAVING STRUCTURE CAPABLE OF PREVENTING INFLOW OF AIR INTO MODULE WHEN THERMAL RUNAWAY OCCURS AND BATTERY PACK INCLUDING SAME
    Publication number: 20210050573
    Abstract: A battery module includes a cell stack having a plurality of battery cells; a module case configured to accommodate the cell stack; a pair of module covers configured to cover openings at both sides of the module case; and a ventilation unit installed through the module cover. The ventilation unit includes a one-way venting valve disposed at a center of a perforation hole formed through the module cover; a first hole sealing portion attached onto an inner wall of the perforation hole; and a second hole sealing portion attached onto an outer circumference of the one-way venting valve.
    Type: Application
    Filed: March 4, 2020
    Publication date: February 18, 2021
    Applicant: LG CHEM, LTD.
    Inventor: Jin-Kyu LEE
  • Curable Composition
    Publication number: 20210032433
    Abstract: A curable composition includes a curable resin and a magnetic body, wherein the magnetic body comprises magnetic particles and a surface treatment agent present on a surface of the magnetic particles. The curable composition has low viscosity, and fluidity, and capable of effectively cured without causing curing shrinkage or the like to form a cured product having desired physical properties.
    Type: Application
    Filed: February 7, 2019
    Publication date: February 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sang Bum Ahn, Jin Kyu Lee
  • Battery module and battery pack including same
    Patent number: 10903476
    Abstract: A battery module having a battery cell stack having a plurality of stacked battery cells, each battery cell having an electrode lead, a bus bar configured to electrically connect the electrode leads of the plurality of stacked battery cells, and a breaking unit disposed between two adjacent battery cells of the plurality of stacked battery cells is provided. The breaking unit is spaced apart from the bus bar. The breaking unit is configured to operate by a gas pressure of gas generated in at least one of the two adjacent battery cells to break the electric connection between the electrode leads of the two adjacent battery cells and the bus bar.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: January 26, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jin-Kyu Lee, Dal-Mo Kang
  • ENERGY STORAGE SYSTEM HAVING STRUCTURE IN WHICH COOLANT CAN BE FED INTO BATTERY MODULE
    Publication number: 20210021002
    Abstract: An energy storage system includes a module stack having a plurality of battery modules stacked vertically; a venting detecting unit configured to detect a venting when the venting occurs in at least a part of the plurality of battery modules; and a coolant supplying unit configured to supply a coolant to a battery module at which a venting occurs when the venting of the battery module is detected by the venting detecting unit.
    Type: Application
    Filed: February 11, 2020
    Publication date: January 21, 2021
    Applicant: LG CHEM, LTD.
    Inventor: Jin-Kyu LEE
  • ENERGY STORAGE SYSTEM HAVING STRUCTURE CAPABLE OF DISSIPATING HEAT TO ADJACENT BATTERY MODULES
    Publication number: 20210013560
    Abstract: An energy storage system includes a pair of rack frames spaced apart from each other and arranged side by side; a plurality of L brackets fastened to the rack frames; a plurality of battery modules respectively placed on a pair of L brackets facing each other to form a plurality of layers along a longitudinal direction of the rack frame; a first heat transfer member interposed between the battery module and the L bracket; and a second heat transfer member interposed between the rack frame and the L bracket.
    Type: Application
    Filed: January 3, 2020
    Publication date: January 14, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jin-Kyu LEE, Soo-Han KIM
  • Composition for 3D printing
    Patent number: 10892075
    Abstract: The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition for 3D printing capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: January 12, 2021
    Inventors: Jin Kyu Lee, Sang Bum Ahn
  • CURABLE COMPOSITION
    Publication number: 20200325286
    Abstract: The present application relates to a curable composition. The present application provides a curable composition comprising an internal heat source for generating heat by application of an alternate-current magnetic field from the outside, together with a phthalonitrile compound and a curing agent therefor. The curable composition can precisely control the heat generated from the internal heat source according to the strength of the alternate-current magnetic field to precisely control curing conditions of the curable composition.
    Type: Application
    Filed: November 29, 2017
    Publication date: October 15, 2020
    Inventors: Jin Kyu LEE, Seung Hee LEE, Sang Woo KIM, Sang Bum AHN
  • Coating composition including a salt having a silsesquioxane anion
    Patent number: 10767056
    Abstract: A coating composition having excellent anti-static properties and suitable for use as anti-static hard coating films. The coating composition comprises a radical polymerizable binder and a salt based on an anion including a cage-shaped frame. The anti-static hard coating film formed using the coating composition has excellent anti-static properties, abrasion resistance and moist heat resistance. Such film may be used for an optical laminate a display device, and the like.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: September 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyeok Jeong, Cheol Hee Lee, Jin Kyu Lee
  • COMPOSITE MATERIAL
    Publication number: 20200270409
    Abstract: The present application can provide a composite material which comprises a metal foam and a polymer component and has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity.
    Type: Application
    Filed: September 17, 2018
    Publication date: August 27, 2020
    Inventors: Jong Min SHIN, Dong Woo YOO, Jin Kyu LEE
  • THERMOSETTING COMPOSITION
    Publication number: 20200262999
    Abstract: The present invention relates to a thermosetting composition and a method for curing the same, and provides a thermosetting composition capable of realizing uniform curing physical properties of a cured product.
    Type: Application
    Filed: November 6, 2017
    Publication date: August 20, 2020
    Inventors: Sang Bum AHN, Jin Kyu LEE
  • COMPOSITE MATERIAL
    Publication number: 20200263070
    Abstract: The present application provides a composite material and a method for producing the same. The present application can provide a composite material having excellent other necessary properties such as impact resistance or processability, as well as excellent heat conduction characteristics as a tight heat transfer network is formed therein by an anisotropic heat-conductive filler.
    Type: Application
    Filed: October 26, 2018
    Publication date: August 20, 2020
    Inventors: Sai Bom PARK, Jin Kyu LEE
  • Apparatus and Method for Testing Secondary Battery
    Publication number: 20200243920
    Abstract: An apparatus and method for testing a secondary battery. The apparatus includes a test path, test terminals provided at two ends of the test path and electrically connected to a positive terminal and a negative terminal of the secondary battery respectively, a sensor unit provided on the test path and configured to measure a discharge current of the secondary battery, a constant voltage generation unit provided on the test path and configured to maintain a constant voltage between the secondary battery and the sensor unit, and a control unit configured to receive data indicating the discharge current from the sensor unit, measure an inflection point on a profile of the discharge current, measure an intensity of the discharge current on the basis of the inflection point, and test a level of self-discharge of the secondary battery based on the intensity of the discharge current.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong-Sik Yoon, Jin-Kyu Lee
  • Indirect cooling system capable of uniformly cooling battery modules and battery pack including the same
    Patent number: 10720678
    Abstract: Disclosed herein are a cooling system and a battery pack including the same.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyo Chan Kim, Gwan Woo Kim, Jin Kyu Lee, Sang Wook Yim
  • COMPOSITIONS COMPRISING MELANIN, AND METHODS OF PREPARING AND USES THEREOF
    Publication number: 20200215208
    Abstract: The invention is directed to compositions comprising disassembled, stacked melanin oligomers, and methods of preparing and using such compositions.
    Type: Application
    Filed: July 25, 2017
    Publication date: July 9, 2020
    Inventors: Kuk-Youn JU, Jin-Kyu LEE, Jung Hee LEE, Won Jae LEE
  • PREPARATION METHOD FOR METAL FOAM
    Publication number: 20200180030
    Abstract: The present application provides a method for preparing a metal foam. The present application provides a method which can freely control characteristics, such as pore size and porosity, of the metal foam, prepare the metal foam in the form of films or sheets which have conventionally been difficult to produce, particularly the form of thin films or sheets as well, and prepare a metal foam having excellent other physical properties such as mechanical strength. According to one example of the present application, it is also possible to efficiently form a structure in which the metal foams as above are integrated with good adhesive force on a metal base material.
    Type: Application
    Filed: July 6, 2018
    Publication date: June 11, 2020
    Inventors: So Jin Kim, Dong Woo YOO, Jin Kyu LEE
  • PREPARATION METHOD FOR COMPOSITE MATERIAL
    Publication number: 20200172764
    Abstract: The present application provides a method for preparing a composite material. The present application provides a method for preparing a composite material comprising a metal porous body and a polymer component, wherein the polymer component is formed in an asymmetrical structure, and a composite material prepared in such a manner.
    Type: Application
    Filed: July 6, 2018
    Publication date: June 4, 2020
    Inventors: JONG MIN SHIN, JIN KYU LEE, DONG WOO YOO
  • PREPARATION METHOD FOR METAL FOAM
    Publication number: 20200147692
    Abstract: The present application relates to a method for preparing a metal foam. The present application can provide a method capable of preparing a metal foam which is thin and has suitable porosity and pore sizes by a simple and efficient process.
    Type: Application
    Filed: July 6, 2018
    Publication date: May 14, 2020
    Inventors: So Jin KIM, Dong Woo YOO, Jin Kyu LEE
  • Nozzle Assembly and 3D Printer Comprising the Same
    Publication number: 20200130272
    Abstract: A nozzle assembly comprising a housing, a nozzle disposed in the housing and connected to an ink supply part, a first coil, which is disposed in the housing, for generating a magnetic field when a power source is applied, a second coil disposed in the housing, disposed so as to surround the nozzle and the first coil and generating a magnetic field when a power source is applied, provided that at least one of the magnetic field effective area and the magnetic field intensity is different from that of the first coil, and a lift part for lifting the nozzle and the first and second coils, respectively, so as to be positioned in the housing or exposed to the outside of the housing.
    Type: Application
    Filed: April 25, 2018
    Publication date: April 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Choong Man Bae, Sang Bum Ahn, Jin Kyu Lee