Patents Represented by Attorney, Agent or Law Firm Taylor & Zafman
  • Negative material for rechargeable lithium battery and method of preparing the same
    Patent number: 6399250
    Abstract: A negative active material for a rechargeable lithium battery having the high content of boron is provided. A mixed solution including a pitch, a boron compound and a solvent is prepared and the solvent is removed from the mixed solution to prepare mesophase pitch. The mesophase pitch is then carbonized and the carbonized material is graphitized to obtain the negative active material.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: June 4, 2002
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Kyou-Yoon Sheem, Sang-Young Yoon, Jeong-Ju Cho, Wan-Uk Choi