Patents by Inventor Jingoo KWAK

Jingoo KWAK 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).

  • Anode including graphite and silicon-based material having different diameters and lithium secondary battery including the same
    Patent number: 11929490
    Abstract: The present disclosure relates to an anode for a lithium secondary battery, wherein an anode material layer is formed on at least one surface of an anode current collector, and the anode material layer includes large-particle graphite, a small-particle silicon-based material, and fine-particle graphite, and satisfies the following conditions 1 to 3: [Condition 1] Average diameter D50 of the large-particle graphite (D1): 1 to 50 ?m [Condition 2] Average diameter D50 of the small-particle silicon-based material (D2): 0.155D1 to 0.414D1 [Condition 3] Average diameter D50 of the fine-particle graphite (D3): 0.155D1 to 0.414D1, or 0.155D2 to 0.414D2.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Junghyun Choi, Hyeon Min Song, Joo Hwan Sung, Han Sol Park, Minsu Cho, Sunghae Park, Jingoo Kwak, Younguk Park, Sue Jin Kim, Jinsu Jang
  • ANODE INCLUDING GRAPHITE AND SILICON-BASED MATERIAL HAVING DIFFERENT DIAMETERS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20210159488
    Abstract: The present disclosure relates to an anode for a lithium secondary battery, wherein an anode material layer is formed on at least one surface of an anode current collector, and the anode material layer includes large-particle graphite, a small-particle silicon-based material, and fine-particle graphite, and satisfies the following conditions 1 to 3: [Condition 1] Average diameter D50 of the large-particle graphite (D1): 1 to 50 ?m [Condition 2] Average diameter D50 of the small-particle silicon-based material (D2): 0.155D1 to 0.414D1 [Condition 3] Average diameter D50 of the fine-particle graphite (D3): 0.155D1 to 0.414D1, or 0.155D2 to 0.414D2.
    Type: Application
    Filed: June 26, 2019
    Publication date: May 27, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Junghyun CHOI, Hyeon Min SONG, Joo Hwan SUNG, Han Sol PARK, Minsu CHO, Sunghae PARK, Jingoo KWAK, Younguk PARK, Sue Jin KIM, Jinsu JANG
  • ANODE INCLUDING GRAPHITE AND SILICON-BASED MATERIAL HAVING DIFFERENT DIAMETERS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20210151744
    Abstract: The present disclosure relates to an anode for a lithium secondary battery, wherein an anode material layer is formed on at least one surface of an anode current collector, and the anode material layer includes large-particle graphite, a small-particle silicon-based material, fine-particle graphite, and carbon nanotube, and satisfies the following conditions 1 to 3: [Condition 1] Average diameter D50 of the large-particle graphite (D1): 1 to 50 ?m [Condition 2] Average diameter D50 of the small-particle silicon-based material (D2): 0.155D1 to 0.414D1 [Condition 3] Average diameter D50 of the fine-particle graphite (D3): 0.155D1 to 0.414D1, or 0.155D2 to 0.414D2.
    Type: Application
    Filed: June 26, 2019
    Publication date: May 20, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Junghyun CHOI, Hyeon Min SONG, Joo Hwan SUNG, Han Sol PARK, Minsu CHO, Sunghae PARK, Jingoo KWAK, Younguk PARK, Sue Jin KIM, Jinsu JANG