Patents by Inventor Akshaya Padhi

Akshaya Padhi 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: 20230105976
    Abstract: Exemplary temperature-adaptive battery charging systems can discontinue, or disable, charging of the rechargeable battery in accordance with various C rates, such as the C/40 rate, the C/20 rate, and/or the C/15 rate to provide some examples, in response to the temperature of the rechargeable battery. In some embodiments, the exemplary temperature-adaptive battery charging systems can discontinue, or disable, charging of the rechargeable battery in accordance a first C rate, such as the C/40 rate to provide an example, when the temperature of the rechargeable battery is within a first temperature range. The exemplary temperature-adaptive battery charging systems can dynamically adapt the discontinuing, or cutting off, of the charging of the rechargeable battery in response to the temperature of the rechargeable battery increasing and/or decreasing as the rechargeable battery being charged.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 6, 2023
    Applicant: Apple Inc.
    Inventors: Akshaya PADHI, Sang Young YOON, Qingzhi GUO, Ryan BALLIET
  • Publication number: 20080090138
    Abstract: The present invention relates to a copper-manganese mixed oxide cathode material, which is suitable for use in a cathode of an electrochemical cell, and which has the formula MnxCuyOz,.nH2O, wherein the oxidation state of Cu is between about +1 and about +3, the oxidation state of Mn is between about +2 and about +7, x is equal to about 3?y, y is less than about 3, z is calculated or experimentally determined, using means known in the art, based on the values of x and y, as well as the oxidation states of Mn and Cu, and nH2O represents the surface and structural water present in the mixed oxide material. The present invention further relates to an electrochemical cell comprising an anode, a cathode, and a separator disposed between the anode and cathode, and an electrolyte in fluid communication with the anode, the cathode and the separator, wherein the cathode comprises the noted cathode material.
    Type: Application
    Filed: August 23, 2007
    Publication date: April 17, 2008
    Applicant: ROVCAL, INC.
    Inventors: Viet Vu, Ernest Ndzebet, Akshaya Padhi, Deborah Gilbert, William Bushong, Karthik Ramaswami, Juergen Scherer
  • Publication number: 20070281215
    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 3, 2007
    Publication date: December 6, 2007
    Inventors: Michel Armand, John Goodenough, Akshaya Padhi, Kirakodu Nanjundaswamy, Christian Masquelier
  • Publication number: 20070166618
    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: December 29, 2006
    Publication date: July 19, 2007
    Inventors: Michel Armand, John Goodenough, Akshaya Padhi, Kirakodu Nanjundaswamy, Christian Masquelier
  • Publication number: 20070117019
    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: December 29, 2006
    Publication date: May 24, 2007
    Inventors: Michel Armand, John Goodenough, Akshaya Padhi, Kirakodu Nanjundaswamy, Christian Masquelier
  • Publication number: 20070111095
    Abstract: An oxygen reduction electrode, e.g., an air cathode, comprising manganese oxides having octahedral molecular sieve structures as active catalyst materials and use of such an electrode as a component of a metal-air cell.
    Type: Application
    Filed: November 14, 2005
    Publication date: May 17, 2007
    Applicant: Rovcal, Inc.
    Inventors: Akshaya Padhi, Denis Carpenter, Jeffrey Poirier
  • Publication number: 20050244321
    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: July 13, 2005
    Publication date: November 3, 2005
    Inventors: Michel Armand, John Goodenough, Akshaya Padhi, Kirakodu Nanjundaswamy, Christian Masquelier
  • Publication number: 20050003274
    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: July 30, 2004
    Publication date: January 6, 2005
    Inventors: Michel Armand, John Goodenough, Akshaya Padhi, Kirakodu Nanjundaswamy, Christian Masquelier