Patents by Inventor Hayelin CHOI

Hayelin CHOI 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).

  • MANUFACTURING METHOD OF CURVED SECONDARY BATTERY
    Publication number: 20240120550
    Abstract: A method of manufacturing a curved secondary battery having a target radius of curvature includes incorporating an electrode assembly including a cathode, an anode, and a separator interposed between the cathode and the anode into a battery case together with an electrolyte to manufacture a secondary battery, subjecting the secondary battery to a first activation, degassing the secondary battery after the first activation, subjecting the secondary battery to a first hot press after degassing the secondary battery so that the secondary battery has a first radius of curvature, subjecting the secondary battery to a second activation after the first hot press, and subjecting the secondary battery to a second hot press after the second activation so that the secondary battery has a second radius of curvature.
    Type: Application
    Filed: November 15, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong Hun SONG, Minjung KIM, Hayelin CHOI, Wooyong LEE