Patents by Inventor Dae Geun GU

Dae Geun GU 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).

  • Electrode Assembly Manufacturing Apparatus and Electrode Assembly Manufactured Using the Same
    Publication number: 20240356055
    Abstract: The present invention relates to an electrode assembly manufacturing apparatus including a first separator supply unit configured to supply a first separator sheet from a first separator roll, a first electrode supply unit configured to supply a first unit electrode from a first electrode roll, a second separator supply unit configured to supply a second separator sheet from a second separator roll, an anti-wrinkle unit configured to hold the first separator sheet and the second separator sheet to apply tension thereto, a surface treatment unit configured to form an embossed pattern on each of the first separator sheet and the second separator sheet, a lamination unit configured to apply heat and pressure to the first separator sheet, the first unit electrode, and the second separator sheet, and a cutting unit configured to cut the first separator sheet and the second separator sheet.
    Type: Application
    Filed: April 28, 2023
    Publication date: October 24, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Do Hyoung Kim, Dae Geun Gu, Ki Woong Kim
  • Device for charging and discharging and method for charging and discharging battery cell using the same
    Patent number: 10680275
    Abstract: A charge/discharge pressurizing device includes a first pressurizing jig configured to pressurize one surface of an electrode lead of a battery cell, a second pressurizing jig configured to pressurize an other surface of the electrode lead facing the one surface of the electrode lead, a guide configured to be disposed to be spaced apart from the one surface of the first pressurizing jig by a predetermined distance, and a first pressurizing jig controller configured to be connected to the first pressurizing jig and to move the first pressurizing jig toward the one surface of the electrode lead.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: June 9, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hoon Bae, Seok Je Kim, Dae Sik Chung, Su Han Park, Dae Geun Gu, Seung Cheol Kim
  • DEVICE FOR CHARGING AND DISCHARGING AND METHOD FOR CHARGING AND DISCHARGING BATTERY CELL USING THE SAME
    Publication number: 20200153030
    Abstract: A charge/discharge pressurizing device includes a first pressurizing jig configured to pressurize one surface of an electrode lead of a battery cell, a second pressurizing jig configured to pressurize an other surface of the electrode lead facing the one surface of the electrode lead, a guide configured to be disposed to be spaced apart from the one surface of the first pressurizing jig by a predetermined distance, and a first pressurizing jig controller configured to be connected to the first pressurizing jig and to move the first pressurizing jig toward the one surface of the electrode lead.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 14, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sung Hoon BAE, Seok Je KIM, Dae Sik CHUNG, Su Han PARK, Dae Geun GU, Seung Cheol KIM