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).

  • 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