Patents by Inventor Suk Il Youn

Suk Il Youn 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: 11942629
    Abstract: A lithium electrode having an acrylic polymer layer formed on a lithium metal layer wherein the acrylic polymer layer functions as a protective layer for the lithium metal layer, and functions as a release layer in the manufacturing process of the lithium electrode. The acrylic polymer layer shows an effect that does not act as a resistance in the lithium secondary battery comprising the lithium electrode during operation of the battery.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: March 26, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Minchul Jang
  • Publication number: 20240030457
    Abstract: Disclosed is a method for manufacturing of a negative electrode, a negative electrode, and a secondary battery, wherein the method includes forming a polymer layer on a rear surface of a current collector, forming a preliminary negative electrode active material layer on a front surface of the current collector, and forming a pre-lithiation layer including lithium on the preliminary negative electrode active material layer, wherein the polymer layer includes a copolymer having a first unit represented by Formula 1, and at least one of a second unit represented by Formula 2 or a third unit represented by Formula 3.
    Type: Application
    Filed: November 6, 2020
    Publication date: January 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: YEON SUK HONG, SUK IL YOUN, JOON KWON
  • Patent number: 11870078
    Abstract: A lithium electrode includes a protective layer containing an ion conductive electrolyte in the interior and on the surface of the electrically conductive matrix. The protective layer may make the electrical conductivity of the surface of the lithium electrode uniform, imparts strength during the growth of lithium dendrites, physically prevents the growth of lithium dendrites, and suppresses the generation of dead lithium.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: January 9, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eunkyung Park, Bora Jung, Minchul Jang, Suk Il Youn, Byoungkuk Son
  • Patent number: 11735717
    Abstract: A lithium electrode and a lithium secondary battery including the same. By using an olefin-based ion conducting polymer as a protective layer-forming material of a lithium electrode having a protective layer formed on a lithium metal layer, the lithium electrode may be protected from moisture or open air during a lithium electrode preparation process, lithium dendrite formation and growth from the lithium electrode may be prevented, and performance of a battery using the lithium electrode may be enhanced.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: August 22, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Woongchul Choi, Minehul Jang
  • Publication number: 20230135232
    Abstract: The present technology relates to a method of manufacturing a negative electrode, and the method includes: manufacturing a negative electrode having a negative electrode active material layer formed thereon by coating a negative electrode slurry including a negative electrode active material at least on one surface of a current collector; pre-lithiating the negative electrode; and forming an inorganic coating layer on a surface of the negative electrode active material layer by aging the pre-lithiated negative electrode under an CO2 atmosphere.
    Type: Application
    Filed: October 6, 2021
    Publication date: May 4, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Byoung Hyo JUNG, Jung Hun CHOI, Min Chul JANG, Yo Han KWON, Yeon Suk HONG, Suk Il YOUN
  • Publication number: 20230076640
    Abstract: A lithium electrode and a lithium secondary battery including the same. By using an olefin-based ion conducting polymer as a protective layer-forming material of a lithium electrode having a protective layer formed on a lithium metal layer, the lithium electrode may be protected from moisture or open air during a lithium electrode preparation process, lithium dendrite formation and growth from the lithium electrode may be prevented, and performance of a battery using the lithium electrode may be enhanced.
    Type: Application
    Filed: November 16, 2022
    Publication date: March 9, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il YOUN, Byoungkuk SON, Junghun CHOI, Woongchul CHOI, Minchul JANG
  • Publication number: 20230026380
    Abstract: The present disclosure provides a secondary battery in which an electrode assembly is sealed together with an electrolyte solution within a pouch type battery case, wherein a gas scavenging member is disposed on at least one surface of an inner surface of the battery case. The gas scavenging member defining a pouch containing a mixed solution of an ionic liquid and an amine-based compound.
    Type: Application
    Filed: November 3, 2021
    Publication date: January 26, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yeon Suk Hong, Suk Il Youn
  • Patent number: 11557750
    Abstract: A method for manufacturing an electrode for an all solid battery including the steps of coating a current collector with a slurry including an active material, a conductive material, and a polyimide-based binder; and melting a solid electrolyte having a melting temperature of 50° C. to 500° C. and applying it onto the coating layer and an electrode manufactured therefrom.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: January 17, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Da Young Sung, Se Ho Park, Minchul Jang, Suk Il Youn, Byoungkuk Son, Eunkyung Park
  • Patent number: 11532810
    Abstract: A lithium electrode and a lithium secondary battery including the same. By using an olefin-based ion conducting polymer as a protective layer-forming material of a lithium electrode having a protective layer formed on a lithium metal layer, the lithium electrode may be protected from moisture or open air during a lithium electrode preparation process, lithium dendrite formation and growth from the lithium electrode may be prevented, and performance of a battery using the lithium electrode may be enhanced.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 20, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Woongchul Choi, Minchul Jang
  • Publication number: 20220359867
    Abstract: A negative electrode for a lithium secondary battery including a negative electrode active material layer; a lithiation retardation layer on the negative electrode active material layer; and a lithium layer on the lithiation retardation layer, wherein the lithiation retardation layer can be dissolved in an electrolyte. The lithiation retardation layer may include a polymer having at least one of an acrylate repeating unit and a carbonate repeating unit.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 10, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: SUK IL YOUN, Yeon Suk HONG, Byoung Hyo JUNG, Jung Hun CHOI
  • Patent number: 11459672
    Abstract: A method of preparing a structure, more particularly, a method of preparing a structure capable of ensuring a space for carrying an electrode active material by a simple method which includes an electrospinning process using a double nozzle electrospinning device and a heat treatment process.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: October 4, 2022
    Assignees: LG ENERGY SOLUTION, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eunkyung Park, Jang Wook Choi, Sung Hyeon Park, Minehul Jang, Suk Il Youn, Byoungkuk Son, Se Ho Park
  • Patent number: 11444273
    Abstract: A method for preparing a lithium electrode, and in particular, a lithium electrode having a thin and uniform thickness may be prepared by forming a protective layer capable of protecting lithium metal on a substrate first, depositing lithium metal on the protective layer, and then transferring the deposited lithium metal layer on a current collector, for instance a Cu current collector, when preparing a lithium electrode, and a lithium secondary battery using the lithium electrode prepared as above may have enhanced energy density.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: September 13, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Minchul Jang
  • Patent number: 11430977
    Abstract: A lithium electrode and a lithium secondary battery including the same. More particularly, in the preparation of the lithium electrode, a protective layer for protecting the lithium metal is formed on the substrate, lithium metal may be deposited on the protective layer and then transferred to at least one side of the current collector to form a lithium electrode having a thin and uniform thickness, and the energy density of the lithium secondary battery using the lithium electrode thus manufactured may be improved.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: August 30, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Minchul Jang
  • Patent number: 11411282
    Abstract: A porous separator including a porous layer including plate-type inorganic particles, and a first binder polymer located on a part of or all surfaces of the plate-type inorganic particles, wherein the first binder polymer connects and fixes the plate-type inorganic particles, and an electrochemical device including the same.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: August 9, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Suk Il Youn, Minehul Jang, Byoungkuk Son, Yeilin Ham, Da Young Sung
  • Publication number: 20220223847
    Abstract: A method for manufacturing an anode for a lithium secondary battery comprises: preparing a lithium transfer film by forming a lithium layer on a protection layer of a transfer film, wherein the transfer film includes a substrate and the protective layer; and preparing a negative electrode having a negative electrode active material layer formed on a current collector, and transferring the lithium transfer film by contacting and rolling the lithium transfer film onto the surface of the negative electrode material layer such that the lithium layer faces the negative electrode active material layer. The protective layer contains an acrylic resin, and the lithium layer and the protective layer are transferred onto the negative electrode active material layer.
    Type: Application
    Filed: August 25, 2020
    Publication date: July 14, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Suk Il YOUN
  • Patent number: 11322731
    Abstract: A lithium secondary battery which is made of an anode-free battery and includes lithium metal formed on a negative electrode current collector by charging. The lithium secondary battery includes the lithium metal formed on the negative electrode current collector in a state of being shielded from the atmosphere, so that the generation of a surface oxide layer (native layer) formed on the negative electrode according to the prior art does not occur fundamentally, thereby preventing the deterioration of the efficiency and life characteristics of the battery.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: May 3, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eunkyung Park, Minchul Jang, Suk Il Youn, Byoungkuk Son, Junghun Choi, Bora Jung
  • Publication number: 20220052421
    Abstract: The present invention relates to a porous separator comprising a porous layer containing a plurality of plate-type inorganic particles and a first binder polymer positioned on part or all of the surface of the plate-type inorganic particles to connect and fix between the plate-type inorganic particles; and a metal layer formed on any one surface of the porous layer, and a lithium secondary battery comprising the same.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 17, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Woongchul CHOI, Junghun CHOI, Yonghee KANG, Minchul JANG, Suk Il YOUN, Byoungkuk SON
  • Patent number: 11152601
    Abstract: A method for manufacturing a lithium electrode, more particularly, a method for manufacturing a lithium electrode having a thin and uniform thickness by, when manufacturing the lithium electrode, first forming a protective layer capable of protecting lithium metal on the surface treated substrate with a plasma and corona process, and depositing lithium metal on the protective layer and then transferring the deposited lithium metal layer to a current collector. The energy density of the lithium secondary battery manufactured using the lithium electrode thus manufactured can be improved.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: October 19, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Minchul Jang
  • Publication number: 20210083250
    Abstract: A porous separator including a porous layer including plate-type inorganic particles, and a first binder polymer located on a part of or all surfaces of the plate-type inorganic particles, wherein the first binder polymer connects and fixes the plate-type inorganic particles, and an electrochemical device including the same.
    Type: Application
    Filed: December 17, 2018
    Publication date: March 18, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Suk Il YOUN, Minchul JANG, Byoungkuk SON, Yeilin HAM, Da Young SUNG
  • Publication number: 20210028484
    Abstract: A lithium secondary battery including a positive electrode, a negative electrode comprising a negative electrode current collector, and an electrolyte disposed between the positive electrode and the negative electrode; and a lithium metal layer on the negative electrode current collector in the negative electrode. The electrolyte includes a first electrolyte layer and a second electrolyte disposed on the first electrolyte layer, wherein the first electrolyte layer faces the negative electrode, and the second electrolyte layer faces the positive electrode. The first electrolyte layer has higher ion conductivity than the second electrolyte layer, and wherein the lithium metal layer is formed by migration of lithium ions from the positive electrode after charging.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 28, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eunkyung PARK, Minchul JANG, Suk Il YOUN, Byoungkuk SON, Changhun PARK, Doyeon KIM, Bora JUNG, Yeilin HAM