Patents by Inventor Sang-mok Park

Sang-mok Park 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: 11175626
    Abstract: Provided are on-axis and off-axis digital hologram generating device and method. The on-axis and off-axis digital hologram generating device includes an object phase generator configured to access a phase file of an object stored in a storage device and generate object phase information from the phase file of the object; a digital object light generator configured to generate digital object light information based on a light property of object light input by a user and the object phase information generated by the object phase generator; a digital reference light generator configured to generate digital reference light information based on a light property of reference light input by the user; and a digital hologram generator configured to generate a digital hologram based on hologram property information input by the user, the digital object light information generated by the digital object light generator, and the digital reference light information generated by the digital reference light generator.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 16, 2021
    Assignee: NAEILHAE, CO. LTD.
    Inventors: Byung Mok Kim, Mal Eum Sung, Seong Jin Park, Sang Jin Lee
  • Publication number: 20210184292
    Abstract: A secondary battery includes a first electrode assembly including a first cathode and a first anode, a second electrode assembly that is disposed to be opposite the first electrode assembly and that includes a second cathode and a second anode, a cooling plate disposed between the first and second electrode assemblies for cooling of the first and second electrode assemblies, an exterior material in which the first and second electrode assemblies are disposed, a cathode tab electrically connected to the first and second cathodes and exposed outside the exterior material, and an anode tab electrically connected to the first and second anodes and exposed outside the exterior material, in which at least one of the cathode tab and the anode tab is coupled to the cooling plate.
    Type: Application
    Filed: June 9, 2020
    Publication date: June 17, 2021
    Inventors: Sang Mok PARK, Young Woo LEE
  • Publication number: 20210184206
    Abstract: Disclosed are an anode material for a lithium secondary battery and a method of manufacturing the same. For instance, the lithium secondary batter may have a high energy density by using only a single anode material. Particularly, the anode material for a lithium secondary battery includes a Li—[Mn—Ti]—Al—O-based anode active material; and a carbon nanotube (CNT) attached to the surface of the anode active material in an acid-treated state to be formed as a composite.
    Type: Application
    Filed: July 14, 2020
    Publication date: June 17, 2021
    Inventors: Seung Min Oh, Ik Kyu Kim, Yeol Mae Yeo, Sang Mok Park, Yoon Sung Lee, Nam Hyeong Kim, Ji Eun Lee, Dong Jun Kim, Seung Taek Myung, Ji Ung Choi
  • Publication number: 20210184211
    Abstract: Provided are, inter alia, a positive electrode material for a lithium secondary battery having a high energy density with only a single positive electrode material, and a lithium secondary battery including the same. The positive electrode material for a lithium secondary battery includes a positive electrode active material formed of a Li—[Mn—Ti]—O-based material so that lithium is reversibly intercalated and deintercalated, and particularly, the positive electrode active material is doped with a dopant (Me) having an oxidation number of 2 to 6.
    Type: Application
    Filed: May 26, 2020
    Publication date: June 17, 2021
    Inventors: Seung Min Oh, Sang Mok Park, Ik Kyu Kim, Yeol Mae Yeo, Yoon Sung Lee, Dong Jun Kim, Sa Heum Kim, Ji Eun Lee, Seung Taek Myung, Ji Ung Choi
  • Publication number: 20210167416
    Abstract: Disclosed is a lithium ion secondary battery. The lithium ion secondary battery includes a cathode electrode including a cathode current collector and a cathode coating layer surrounding the cathode current collector, resistive layers formed on respective side surfaces at respective ends of the cathode electrode, an anode including an anode current collector and an anode coating layer surrounding the anode current collector, and a separator disposed between the cathode electrode and the anode electrode.
    Type: Application
    Filed: May 12, 2020
    Publication date: June 3, 2021
    Inventors: Sang Jin Park, Young Woo Lee, Sang Mok Park
  • Publication number: 20210167371
    Abstract: A method for preparing a lithium secondary battery that includes Si in an anode includes: an electrode plate process step of preparing a cathode plate using a cathode active material, a conductive material and a binder, and of preparing an anode plate using an anode active material including Si, a conductive material, and a binder; an assembly process step of assembling the cathode plate and the anode plate in a state in which a separator is interposed between the cathode plate and the anode plate, and of injecting an electrolyte into the resultant assembly, thereby preparing a cell; and an activation process step of aging and degassing the prepared cell, and of performing a formation process for the cell in a pressurized environment, thereby suppressing volume swelling of the cell.
    Type: Application
    Filed: April 15, 2020
    Publication date: June 3, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yoon Ji Lee, Dong Hui Kim, Jin Hee Lee, Sang Mok Park, Young Woo Lee, Seung Ho Ahn
  • Publication number: 20210156925
    Abstract: Disclosed are a method for checking defects in a lithium ion secondary battery and a lithium ion secondary battery manufactured thereby. The method includes primarily charging and degassing the lithium ion secondary battery after manufacture of the secondary battery, secondarily charging and discharging the secondary battery and then measuring one or more of OCVs and IRs of lithium ion secondary battery cells; pressurizing and aging the secondary battery by aging the secondary battery in a state in which a pressure of a designated magnitude or more is applied to the secondary battery, and checking whether or not the secondary battery cells are defective by re-measuring the one or more of OCVs and IRs of the secondary battery cells and then comparing the re-measured one or more of the OCVs and the IRs to the previously measured one or more of the OCVs and the IRs.
    Type: Application
    Filed: April 1, 2020
    Publication date: May 27, 2021
    Inventors: Sang Mok Park, Young Woo Lee, Ik Kyu Kim, Sung Ho Ban, Yoon Ji Lee, Jung Young Cho
  • Publication number: 20210159543
    Abstract: A system for manufacturing a lithium ion secondary battery includes an unwinder supplying a current collector to be coated to a predetermined position, a coating device coating a coating liquid on the current collector, a drying device drying the coated current collector, and a rewinder winding the coated current collector passing through the drying device at a predetermined position.
    Type: Application
    Filed: April 1, 2020
    Publication date: May 27, 2021
    Inventors: Sang Mok Park, Jin Hee Lee, Se Young Lee, Dong Hui Kim, Shin Kook Kong
  • Publication number: 20210151733
    Abstract: An electrode for a secondary battery and method of manufacturing the electrode for the secondary battery are provided. The electrode for the secondary battery may include: a cathode current collector; and a layer coated on the cathode current collector and in which metal nanowires are embedded in a binder material.
    Type: Application
    Filed: August 14, 2020
    Publication date: May 20, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yeol Mae YEO, Sung Hoon LIM, Nam Hyeong KIM, Ji Eun LEE, Dong Jun KIM, Sang Mok PARK, Seung Min OH
  • Patent number: 10998577
    Abstract: An all-solid-state battery includes: a cathode substrate; a cathode portion; a solid electrolyte layer; an anode portion; and an anode substrate. The cathode portion includes a cathode active material, a first solid electrolyte, a conductive material, and a binder, the anode portion is configured by a first anode portion having a pore structure and a second anode portion having metal foil, and the first anode portion includes a second solid electrolyte, a conductive material, and a binder.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 4, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hui Kim, Sang Jin Park, Sung Hoon Lim, Shin Kook Kong, Sang Heon Lee, Sang Mok Park, Hong Seok Min
  • Publication number: 20210050580
    Abstract: A lithium ion secondary battery includes: a plurality of cathodes including a cathode current collector, a cathode coating layer coating the cathode current collector, and a cathode lead; a plurality of anodes including an anode current collector, an anode coating layer coating the anode current collector, and an anode lead; a separation membrane positioned between the cathodes and the anodes; first bent portions where a plurality of cathode leads are bent at points spaced apart from the cathode coating layer; second bent portions where the plurality of cathode leads are bent at points where the plurality of cathode leads bent at the first bent portions meet; and a first overlapping portion at which the plurality of cathode leads bent at the second bent portions overlap in parallel. The first overlapping portion includes a portion welded to the plurality of cathode leads overlapping in parallel and a non-welded portion.
    Type: Application
    Filed: January 22, 2020
    Publication date: February 18, 2021
    Inventors: Sang Mok Park, Sung Hoon Lim
  • Publication number: 20210050615
    Abstract: A lithium ion secondary battery includes: an anode including an anode current collector and an anode coating layer coating a region of the anode current collector; a cathode including a cathode current collector, a cathode coating layer coating a region of the cathode current collector, and an inactive coating layer disposed on a surface of a region of the cathode current collector on which the cathode coating layer is not disposed, the inactive coating layer extending from one or more of both end portions of the cathode coating layer toward an end portion of the anode; and a separation membrane arranged between the cathode and the anode.
    Type: Application
    Filed: November 21, 2019
    Publication date: February 18, 2021
    Inventors: Sang Mok Park, Ji Eun Lee, Sung Ho Ban, Yoon Sung Lee
  • Publication number: 20200313235
    Abstract: Disclosed is a lithium secondary battery having an improved lifetime. The lithium secondary battery may include: a cathode including a cathode active material; an anode including an anode active material; a separator disposed between the cathode and the anode; and an electrolyte including bis(trimethylsilyl) 2,2-thiodiacetate.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 1, 2020
    Inventors: Yoon Sung Lee, Sangjin Park, Shinkook Kong, Jung Young Cho, Dongjun Kim, Ikkyu Kim, Yeolmae Yeo, Jieun Lee, Sang Mok Park, SungHoon Lim
  • Publication number: 20200194774
    Abstract: A cathode active material for a lithium secondary battery, the cathode method including a core including a lithium metal oxide and a coating layer disposed on the surface and the inner grain boundaries of the core, wherein the coating layer includes a metal carbide, and a method of manufacturing the same.
    Type: Application
    Filed: September 19, 2019
    Publication date: June 18, 2020
    Inventors: Jieun Lee, Yeolmae Yeo, Seung-Min Oh, Sang Mok Park, Yoon Sung Lee, Dongjun Kim
  • Publication number: 20200194760
    Abstract: Disclosed are a lithium secondary battery including: a positive electrode; a negative electrode; an electrolyte; and a separator including a separator substrate and a ceramic layer formed on one surface or both surfaces of the separator substrate. Particularly, the ceramic layer may include a first ceramic particle including an epoxide group and a second ceramic particle including an amine group, and the first ceramic particle may be chemically bonded to the second ceramic particle.
    Type: Application
    Filed: September 17, 2019
    Publication date: June 18, 2020
    Inventors: Dongjun Kim, Yeolmae Yeo, Yoon Sung Lee, Jieun Lee, Sang Mok Park, Seung-Min Oh
  • Publication number: 20200194783
    Abstract: Provided are a cathode active material for a lithium secondary battery, a cathode and a lithium secondary battery each including the same, and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a core including a lithium metal oxide and a coating layer formed on a surface and the inner grain boundaries of the core, wherein the coating layer includes a metal sulfide.
    Type: Application
    Filed: September 23, 2019
    Publication date: June 18, 2020
    Inventors: Seung-Min Oh, KiSeok Koh, Yeolmae Yeo, Yoon Sung Lee, Jieun Lee, Dongjun Kim, Sang Mok Park
  • Publication number: 20200185678
    Abstract: Disclosed is lithium secondary battery that may include: a positive electrode; a negative electrode; an electrolyte; and a separator positioned between the positive electrode and the negative electrode. The separator may include: a separator substrate; and a fibrous adhesive layer formed on one or both surfaces of the separator substrate.
    Type: Application
    Filed: September 17, 2019
    Publication date: June 11, 2020
    Inventors: Sang Mok Park, Yeolmae Yeo, Dongjun Kim, Yoon Sung Lee, Jieun Lee, Sa Heum Kim, Seung-Min Oh
  • Publication number: 20200144664
    Abstract: An all-solid-state battery includes: a cathode substrate; a cathode portion; a solid electrolyte layer; an anode portion; and an anode substrate. The cathode portion includes a cathode active material, a first solid electrolyte, a conductive material, and a binder, the anode portion is configured by a first anode portion having a pore structure and a second anode portion having metal foil, and the first anode portion includes a second solid electrolyte, a conductive material, and a binder.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Inventors: Dong Hui Kim, Sang Jin Park, Sung Hoon Lim, Shin Kook Kong, Sang Heon Lee, Sang Mok Park, Hong Seok Min
  • Patent number: 10601051
    Abstract: Provided are a method of manufacturing an all-solid battery and an all-solid battery manufactured by the same for efficiently insulating an edge portion of the all-solid battery. Particularly, the all-solid batter may include a hybrid current collector comprising a porous metal current collector at the edge portions thereof, and a cathode layer or an anode layer may be further fabricated by coating a cathode active material or an anode active material on the hybrid current collector. Therefore, a short-circuit of the edge portion that may occur due to the detachment of the electrode material at the edge portion of the electrode may be prevented and a use rate and energy density of the edge portion electrode may be improved.
    Type: Grant
    Filed: December 2, 2017
    Date of Patent: March 24, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yeol Mae Yeo, Ki Seok Koh, Yoon Sung Lee, Seung Min Oh, Sang Mok Park
  • Patent number: 10566656
    Abstract: An all-solid-state battery includes: a cathode substrate; a cathode portion; a solid electrolyte layer; an anode portion; and an anode substrate. The cathode portion includes a cathode active material, a first solid electrolyte, a conductive material, and a binder, the anode portion is configured by a first anode portion having a pore structure and a second anode portion having metal foil, and the first anode portion includes a second solid electrolyte, a conductive material, and a binder.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hul Kim, Sang Jin Park, Sung Hoon Lim, Shin Kook Kong, Sang Heon Lee, Sang Mok Park, Hong Seok Min