Patents Assigned to Samsung Display Devices Co., Inc.
  • Active material for a cathode of lithium ion battery and a method for preparing the same
    Patent number: 6083643
    Abstract: A process for preparing an active material for a cathode of a lithium ion battery comprising the steps of: dissolving lithium hydroxide, manganese acetate as starting materials into water to form a solution; adding a chelating agent into the solution; producing gel or liquid phase by evaporating the solution; and producing a powder by raising temperature at the rate of 5.about.20 .degree. C./min, combusting and calcinating the gel or liquid phase at 300.about.400 .degree. C. during 2.about.3 hours is disclosed.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: July 4, 2000
    Assignee: Samsung Display Devices Co., Inc.
    Inventors: Jae-phil Cho, Geun-bae Kim