Patents Represented by Attorney Gevnlovich, Dodd & Lindsey

Find this attorney in the Justia Lawyer Directory

  • Battery with cathode having inactive materials
    Patent number: 7947092
    Abstract: A battery includes an electrolyte activating one or more anodes and one or more cathodes. The electrolyte includes one or more salts in a solvent. One or more of the cathodes has a cathode medium that includes a lithium transition metal oxide as a cathode active material. The cathode medium also includes an inactive material that reacts with the electrolyte to form a passivation layer on the cathode medium. The passivation layer can include LiF. In some instances, the inactive material includes or consists of Li2CO3.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: May 24, 2011
    Assignee: Quallion LLC
    Inventors: Mikito Nagata, Hisashi Tsukamoto