Patents Examined by Quintin D. Elliott
  • Negative electrode material for lithium ion battery
    Patent number: 12255328
    Abstract: To improve the cycle characteristics of a lithium ion battery, a mixture of a powder of a conversion-type oxide made of an iron oxide and/or a silicon oxide and causing a conversion reaction with Li ions and a powder of an oxygen ion conductor are used as a negative electrode material of the lithium ion battery.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: March 18, 2025
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Suguru Ikeda, Hiroki Fujita, Hackho Kim