Patents Examined by Anthony Skapaps
  • Nonflammable/self-extinguishing electrolytes for batteries
    Patent number: 5830600
    Abstract: Novel fire-retardant electrolyte compositions are provided. These compositions comprise a lithium salt dissolved in a fire-retardant solvent selected from the group consisting of phosphates, phospholanes, cyclophosphazenes, silanes, fluorinated carbonates, fluorinated polyethers and mixtures thereof. The electrolyte composition optionally contains a CO.sub.2 -generating compound. Also provided are fire-retardant batteries and fire-retardant conductive films formulated with such compositions, as well as methods of manufacturing such films.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 3, 1998
    Assignee: SRI International
    Inventors: Subhash C. Narang, Susanna C. Ventura, Brian J. Dougherty, Ming Zhao, Stuart Smedley, Gary Koolpe