Patents by Inventor Youn Cheol Joe

Youn Cheol Joe 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).

  • Method For Manufacturing Cathode For Lithium Secondary Battery, Cathode Manufactured Using Same, And Lithium Secondary Battery Comprising Same
    Publication number: 20240097126
    Abstract: A manufacturing method of a positive electrode for a lithium secondary battery includes: a step of preparing a positive electrode in which a positive electrode active material layer including a lithium iron phosphate formed on a current collector; and a step of adsorbing an organic solvent to the positive electrode active material layer, the organic solvent including one or more of N-methyl-2-pyrrolidone (NMP), acetone, ethanol, propylene carbonate, ethylmethyl carbonate, ethylene carbonate, and dimethyl carbonate.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 21, 2024
    Applicants: LG Energy Solution, Ltd., LG Energy Solution, Ltd.
    Inventors: O Jong Kwon, Ki Woong Kim, In Gu An, Min Hyun Kim, Youn Cheol Joe, Jeong Geun Jo
  • Positive Electrode Slurry Composition and Lithium Secondary Battery Manufactured Using the Same
    Publication number: 20230207807
    Abstract: A positive electrode slurry composition includes a positive electrode active material, a dispersant, a conductive material, a binder, and a solvent, wherein the positive electrode active material includes lithium iron phosphate, and the dispersant has a weight-average molecular weight of 10,000 g/mol to 150,000 g/mol.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: O Jong Kwon, Min Hyun Kim, Youn Cheol Joe, Ju Ryoun Kim, Jeong Geun Jo, Ki Woong Kim, In Gu An