Patents by Inventor Yeonghun JANG

Yeonghun JANG 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).

  • ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20250132337
    Abstract: One embodiment provides a negative active material for a lithium secondary battery, that includes a first graphite particle and a second graphite particle at a weight ratio of 80:20 to 95:5, and the particle diameter D50 of the second graphite particle is 80% or less of the particle diameter D50 of the first graphite particle. The lithium secondary battery containing the negative active material has excellent output characteristics and excellent productivity and economic efficiency.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 24, 2025
    Applicant: POSCO FUTURE M CO., LTD.
    Inventors: Dae Sik KIM, Heon Young LEE, Hyun Ki CHOI, Seunghyun KO, Ga Eun KIM, Yeonghun JANG, Hyeonggu PARK, Da Yeoung Geul HWANG