Patents Represented by Attorney Elizabeth Ann Mark

Find this attorney in the Justia Lawyer Directory

  • Lithium magnesium manganese oxy-fluorides for Li-ion rechargeable battery electrodes
    Patent number: 5932374
    Abstract: The cycling stability and capacity of Li-ion rechargeable batteries are improved, particularly in an elevated temperature range of about 55.degree. C., by the use of lithium magnesium manganese oxy-fluoride electrode components having the general formula, Li.sub.1+x Mg.sub.y Mn.sub.2-x-y O.sub.4-z F.sub.z, where x.ltoreq.0.2, 0.1.ltoreq.y.ltoreq.0.3, and 0.01.ltoreq.z.ltoreq.0.5.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: August 3, 1999
    Assignee: Telcordia Technologies, Inc.
    Inventor: Glenn G. Amatucci