Patents by Inventor Kyeong Seok Oh

Kyeong Seok Oh 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).

  • Publication number: 20240186572
    Abstract: Disclosed are includes a solid-liquid composite electrolyte, and a composite electrolyte film, and a semi-solid rechargeable battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and an organic solvent, the salt includes a metal cation and an anion with a radius of less than about 295 pm.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 6, 2024
    Inventors: Sang-Young Lee, Won-Yeong Kim, Kyeong-Seok Oh, Seokhyeon Yu
  • Publication number: 20240186571
    Abstract: Disclosed are includes a solid-liquid composite electrolyte, and a composite electrolyte film, and a semi-solid rechargeable battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and an organic solvent, an anion in the salt is OTf?, FSI?, or a combination thereof, and a concentration of the liquid electrolyte is about 2.5 m to about 20 m.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 6, 2024
    Inventors: Sang-Young Lee, Won-Yeong Kim, Kyeong-Seok Oh, Seokhyeon Yu
  • Publication number: 20240186582
    Abstract: Disclosed are a solid-liquid composite electrolyte, and a semi-solid secondary battery including the same, the solid-liquid composite electrolyte including a sulfide-based solid electrolyte and a liquid electrolyte, wherein the liquid electrolyte includes a salt and a fluorinated organic solvent that dissolves the salt.
    Type: Application
    Filed: November 30, 2023
    Publication date: June 6, 2024
    Inventors: Sang-Young Lee, Won-Yeong Kim, Kyeong-Seok Oh, Seokhyeon Yu
  • Publication number: 20240039036
    Abstract: A flexible self-supporting solid electrolyte membrane, an all-solid-state battery including the membrane, and a manufacturing method thereof are disclosed. The solid electrolyte membrane may include: a substrate including pores therein; and a solid electrolyte layer disposed on at least one surface of the substrate and including a solid electrolyte and a cured compound. At least a portion of the solid electrolyte layer may penetrate into the pores of the substrate to form a conduction path of lithium ions in a thickness direction of the substrate.
    Type: Application
    Filed: December 21, 2022
    Publication date: February 1, 2024
    Inventors: Hoon Seok, Yeong Jun Cheon, Hong Seok Min, Sang Young Lee, Kyeong Seok Oh, Yong Hyeok Lee
  • Publication number: 20220376296
    Abstract: The present disclosure relates to a single-ion solid electrolyte and its method of preparation. More particularly, the present disclosure relates to a single-ion conducting polymer solid electrolyte containing a network polymer, inorganic nanoparticles, and an electrolyte, wherein the network polymer contains a structural unit containing a cationic group, and its method of preparation.
    Type: Application
    Filed: April 4, 2022
    Publication date: November 24, 2022
    Inventors: Kyeong Seok OH, Sang Young LEE
  • Publication number: 20080073812
    Abstract: Disclosed are a manufacturing method of a separator for a fuel cell, comprising a preforming step for forming a preform of the separator and a main forming step for form the separator with the preform; and a separator manufactured thereby.
    Type: Application
    Filed: December 6, 2006
    Publication date: March 27, 2008
    Applicant: Hyundai Motor Company
    Inventors: Seung Hun Jung, Yoo Chang Yang, Min Kyu Song, Kyung Sup Han, Sung Il Huh, Kyeong Seok Oh