Patents by Inventor Myeong Gyun NAM

Myeong Gyun NAM 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: 20230268490
    Abstract: A negative active material for a rechargeable lithium battery includes a core having a silicon-carbon composite and an amorphous carbon, the silicon-carbon composite being an agglomerated product of a crystalline carbon and silicon particles, and a coating layer on a surface of the core, the coating layer including catecholamine.
    Type: Application
    Filed: January 19, 2023
    Publication date: August 24, 2023
    Inventors: Changsu SHIN, Youngugk KIM, Young-Min KIM, Sunil PARK, Jongmin WON, Jaehou NAH, Eunji KANG, Doori OH, Dae-Hyeok LEE, Hyun Jun SONG, Myeong Gyun NAM, Pil Jin YOO
  • Publication number: 20230116855
    Abstract: Disclosed is a method for preparing a metal-carbon composite. The method includes synthesizing a planarized ligand compound via planarization-modification of a polyphenol-based ligand compound; synthesizing a metal-organic composite via hydrothermal synthesis of a mixed solution of the planarized ligand compound and metal ions; drying the metal-organic composite to prepare precursor powders; and carbonizing the precursor powders.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 13, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Pil Jin YOO, Gwan Hyun CHOI, Myeong Gyun NAM, Hyeon Jun SONG
  • Patent number: 11594722
    Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery, the negative active material including a composite including silicon particles, metal particles, and a first amorphous carbon; and a second amorphous carbon surrounding on the composite.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 28, 2023
    Assignees: SAMSUNG SDI CO., LTD., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Changsu Shin, Jaehou Nah, Myeong Gyun Nam, Pil Jin Yoo, Gwan Hyun Choi
  • Publication number: 20210151745
    Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery, the negative active material including a composite including silicon particles, metal particles, and a first amorphous carbon; and a second amorphous carbon surrounding on the composite.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 20, 2021
    Inventors: Changsu SHIN, Jaehou NAH, Myeong Gyun NAM, Pil Jin YOO, Gwan Hyun CHOI