Patents by Inventor Gu-Young Choi

Gu-Young 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).

  • Positive Electrode and Lithium Secondary Battery Manufactured Using the Same
    Publication number: 20240154127
    Abstract: A positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer including a lithium transition metal phosphate, a fluorine-based binder, and a conductive material. The lithium transition metal phosphate includes a carbon coating layer formed on a surface thereof, and a ratio (B/A) of a total weight (B) of the fluorine-based binder to a total weight (A) of carbon of the conductive material and the lithium transition metal phosphate in the positive electrode active material layer is 0.7 to 1.7.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Geum Jae Han, O Jong Kwon, Kwang Jin Kim, Ki Woong Kim, In Gu An, Jung Hun Choi, Da Young Lee, Jin Su Sung, Jeong Hwa Park
  • Protection tape and secondary battery having the same
    Patent number: 10547031
    Abstract: A protection tape for sealing a sealing portion of a flexible outer casing of a secondary battery includes a base material having a predetermined width and a length larger than the width. An adhesive layer is formed on the base material. A bending portion is formed along a length direction of the base material on one surface of the base material. The bending portion is bent at the joint portion. Multiple knife marks or grooves are formed at the bending portion.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: January 28, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Andy Kim, Gu-Young Choi
  • PROTECTION TAPE AND SECONDARY BATTERY HAVING THE SAME
    Publication number: 20110129728
    Abstract: A protection tape for sealing a sealing portion of a flexible outer casing of a secondary battery includes a base material having a predetermined width and a length larger than the width. An adhesive layer is formed on the base material. A bending portion is formed along a length direction of the base material on one surface of the base material. The bending portion is bent at the joint portion. Multiple knife marks or grooves are formed at the bending portion.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 2, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Andy Kim, Gu-Young Choi