Patents by Inventor Ryan I. Fielden

Ryan I. Fielden 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 MATERIALS FOR SODIUM-ION BATTERIES AND METHODS OF MAKING SAME
    Publication number: 20170271670
    Abstract: An electrochemically active material includes a sodium metal oxide of formula (I): NaxMyTizO2 (I) In formula (I), 0.2<x<1, M comprises one or more first row transitions metals, 0.1<y<0.9, 0.1<z<0.9; and x+3y+4z=4.
    Type: Application
    Filed: November 18, 2015
    Publication date: September 21, 2017
    Inventors: Mark N. Obrovac, Ryan I. Fielden, Rommy S. Schuurmans
  • ANODE COMPOSITIONS FOR SODIUM-ION BATTERIES AND METHODS OF MAKING SAME
    Publication number: 20170054176
    Abstract: A sodium-ion battery includes a cathode comprising sodium; and an anode composition comprising a material having the formula: AaBbCcDdO, where A is an alkali metal, alkaline earth metal, or a combination thereof, where B is titanium, C is vanadium, D is one or more transition metal element other than titanium or vanadium, a+b+c+d?1, a?0, b+c>0, b?0, c?0, d>0, and where the material comprises a ilmenite structure, triclinic VFeO4 structure, cubic Ca5Co4(VO4)6 structure, dichromate structure, orthorhombic ?-CoV3O8 structure, brannerite structure, thortveitite structure, orthorhombic ?-CrPO4 structure, or the pseudo rutile structure.
    Type: Application
    Filed: April 29, 2015
    Publication date: February 23, 2017
    Inventors: Mark N. Obrovac, Zachary L. Brown, Ryan I. Fielden, Stephanie A. Smith