Patents by Inventor Sul Cham KIM

Sul Cham KIM 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: 20240021785
    Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes a structure in which a plurality of graphene sheets are connected to each other, and the plurality of graphene sheets include two or more graphene sheets having different plane directions.
    Type: Application
    Filed: May 27, 2022
    Publication date: January 18, 2024
    Inventors: Tae Gon KIM, Dong Chan LEE, Jeong Beom LEE, Sul Cham KIM, Hye Jin KWON, Hoe Jin HAH, Ki Tae KIM, So Hee KIM, Jeong Gil KIM, Myeong Soo KIM
  • Publication number: 20230420641
    Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes at least one hollow-type particle, and the hollow-type particle includes a hollow and a carbonaceous shell surrounding the hollow.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 28, 2023
    Inventors: Tae Gon KIM, Dong Chan LEE, Jeong Beom LEE, Sul Cham KIM, Hye Jin KWON, Hoe Jin HAH, Ki Tae KIM, So Hee KIM, Jeong Gil KIM, Myeong Soo KIM
  • Publication number: 20230395801
    Abstract: An all-solid lithium secondary battery and a preparation method thereof are proved. The all-solid lithium secondary battery comprises a positive electrode active material layer, a negative electrode active material layer including graphitized platelet carbon nanofibers and silver nanoparticles, and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 7, 2023
    Inventors: Tae Gon Kim, Dong Chan Lee, Jeong Beom Lee, Sul Cham Kim, Hye Jin Kwon, Hoe Jin Hah, Ki Tae Kim, So Hee Kim, Jeong Gil Kim, Myeong Soo Kim
  • Publication number: 20230378531
    Abstract: A negative electrode for all-solid-state batteries and an all-solid-state battery including the same are provided. The negative electrode includes a coating layer disposed on a surface of a negative electrode current collector, the coating layer having ionic conductivity and electrical conductivity, and is configured such that lithium dendrites are formed between the coating layer and the negative electrode current collector, thereby preventing microscopic short circuit.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 23, 2023
    Inventors: Jung Pil Lee, Hye Ri Jung, Sung Ju Cho, Sul Cham Kim
  • Publication number: 20230378476
    Abstract: A negative electrode for all-solid-state battery and a lithium secondary battery including the same are provided. The negative electrode includes a negative electrode current collector formed of an electrically conductive metal material, a coating layer formed on one surface or opposite surfaces of the negative electrode current collector, the coating layer including a lithiophilic material, and an ion transport layer formed on the coating layer, the ion transport layer including amorphous carbon configured to allow lithium ions to move therethrough.
    Type: Application
    Filed: November 5, 2021
    Publication date: November 23, 2023
    Inventors: Jung Pil LEE, Sung Ju CHO, Sul Cham KIM, Hyea Eun HAN, Hoe Jin HAH, Sang Jun PARK