Patents Examined by Angelo J. Martin
  • Material of negative electrode and nonaqueous-electrolyte secondary battery using the same
    Patent number: 6066414
    Abstract: A material for a negative electrode having excellent performance for doping lithium and de-doping lithium and a nonaqueous-electrolyte secondary battery having a large capacity are provided. The nonaqueous-electrolyte secondary battery is disclosed which has a negative electrode mainly composed of a compound containing at least any one of silicon, germanium and tin, nitrogen and oxygen, a positive electrode made of composite metal oxide containing lithium or an interlayer compound containing lithium and nonaqueous electrolyte.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: May 23, 2000
    Assignee: Sony Corporation
    Inventors: Hiroshi Imoto, Shinichiro Yamada