Patents by Inventor Zhe-Sheng Xu

Zhe-Sheng Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cathodes comprising electroactive sulfur materials and secondary batteries using same
    Publication number: 20050175895
    Abstract: The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, —Sm—, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Application
    Filed: March 8, 2005
    Publication date: August 11, 2005
    Inventors: Alexander Gorkovenko, Terje Skotheim, Zhe-Sheng Xu, Leonid Boguslavsky, Zhongyi Deng, Shyama Mukherjee
  • Cathodes comprising electroactive sulfur materials and secondary batteries using same
    Patent number: 6878488
    Abstract: The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, —Sm—, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: April 12, 2005
    Assignee: Moltech Corporation
    Inventors: Alexander Gorkovenko, Terje A. Skotheim, Zhe-Sheng Xu
  • CATHODES COMPRISING ELECTROACTIVE SULFUR MATERIALS AND SECONDARY BATTERIES USING SAME
    Publication number: 20030003360
    Abstract: The present invention pertains to solid composite cathodes which comprise (a)sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, -Sm-, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Application
    Filed: June 14, 2002
    Publication date: January 2, 2003
    Applicant: Moltec Corporation
    Inventors: Alexander Gorkovenko , Terje A. Skotheim , Zhe-Sheng Xu
  • Method of forming cathodes comprising electroactive sulfur materials
    Patent number: 6406814
    Abstract: The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, —Sm—, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: June 18, 2002
    Assignee: Moltech Corporation
    Inventors: Alexander Gorkovenko, Terje A. Skotheim, Zhe-Sheng Xu, Leonid I. Boguslavsky, Zhongyi Deng, Shyama P. Mukherjee
  • Electrochemical cells with high volumetric density of electroactive sulfur-containing materials in cathode active layers
    Publication number: 20010034934
    Abstract: The present invention pertains to methods of forming solid composite cathodes with cathode active layers which comprise an electroactive sulfur-containing material and an electrically conductive material, wherein the electroactive sulfur-containing material is heated to a temperature above its melting point to form a melt layer and then is resolidified to form a cathode active layer having redistributed electroactive sulfur-containing material of high volumetric density and improved adhesion and cohesion. The present invention also pertains to methods of forming electric current producing cells comprising such solid composite cathodes and having a high electrochemical utilization and to solid composite cathodes and electric current producing cells formed using such methods.
    Type: Application
    Filed: May 23, 2001
    Publication date: November 1, 2001
    Inventors: Zhe-Sheng Xu, Terje A. Skotheim, Yordan M. Geronov
  • Electrochemical cells with high volumetric density of electroactive sulfur-containing materials in cathode active layers
    Patent number: 6302928
    Abstract: The present invention pertains to methods of forming solid composite cathodes with cathode active layers which comprise an electroactive sulfur-containing material and an electrically conductive material, wherein the electroactive sulfur-containing material is heated to a temperature above its melting point to form a melt layer and then is resolidified to form a cathode active layer having redistributed electroactive sulfur-containing material of high volumetric density and improved adhesion and cohesion. The present invention also pertains to methods of forming electric current producing cells comprising such solid composite cathodes and having a high electrochemical utilization and to solid composite cathodes and electric current producing cells formed using such methods.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 16, 2001
    Assignee: Moltech Corporation
    Inventors: Zhe-Sheng Xu, Terje A. Skotheim, Yordan M. Gernov
  • Cathodes comprising electroactive sulfur materials and secondary batteries using same
    Patent number: 6210831
    Abstract: The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, —Sm—, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate non-fibrous material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: April 3, 2001
    Assignee: Moltech Corporation
    Inventors: Alexander Gorkovenko, Terje A. Skotheim, Zhe-Sheng Xu, Leonid I. Boguslavsky, Zhongyi Deng, Shyama P. Mukherjee
  • Electrochemical cells with carbon nanofibers and electroactive sulfur compounds
    Patent number: 6194099
    Abstract: The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, -Sm-, wherein m is an integer from 3 to 10; and (b) non-activated carbon nanofibers. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: February 27, 2001
    Assignee: Moltech Corporation
    Inventors: Yordan M. Gernov, Zhe-Sheng Xu