Patents by Inventor Kirakadu S. Nanjundaswamy

Kirakadu S. Nanjundaswamy 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).

  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 7972728
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivineor the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: July 5, 2011
    Assignee: Hydro-Quebec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakadu S. Nanjundaswamy, Christian Masquelier
  • CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES
    Publication number: 20100310935
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine, a modified olivine, or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: August 20, 2010
    Publication date: December 9, 2010
    Inventors: Michel B. Armand, John B. Goodenough, Akshaya K. Padhi, Kirakadu S. Nanjundaswamy, Christian Masquelier