Patents Represented by Attorney Fenningham, Stevens & Dempster LLP
  • Patent number: 8252459
    Abstract: A new invention in cathode composition, arrangement, and design for primary and secondary batteries that offers high power, high capacity, and high specific energy is proposed herein. The claimed technology described herein incorporates materials into the cathode that results in a cathode which may accept two electrons per active site. Other advantages of the technology included herein include: 1) lower cost, 2) environmental friendliness, 3) safety, 4) a wide operational temperature range, 5) backwards compatibility with present electrochemical cells, and 6) versatility. The technology is cross-cutting, and has high impact applications, such as for electric vehicles, which require both high power and high specific energy.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: August 28, 2012
    Inventors: Cheryl D. Stevenson, John Perrin Davis