Patents by Inventor Ce Jin

Ce Jin 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).

  • Method of preparing crystalline titanium dioxide powder, method of preparing a negative active material, negative active material, and rechargebale lithium battery
    Patent number: 8926938
    Abstract: A method of manufacturing crystalline titanium dioxide (TiO2) powder, a method of a negative active material, and a negative active material and a rechargeable lithium battery including the crystalline titanium dioxide (TiO2) powder are provided. The method of manufacturing the crystalline titanium dioxide powder may include: preparing a titanyl chloride (TiOCl2) aqueous solution by adding titanium tetrachloride (TiCl4) to water at a temperature ranging from 0° C. to 10° C.; adding alcohol, urea, and a sphere-shaping agent to the titanyl chloride aqueous solution to prepare a mixture; and hydrothermally synthesizing the mixture under a pressure ranging from 1.5 atm to 5 atm at a temperature ranging from 80° C. to 155° C.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: January 6, 2015
    Assignee: IUCF-HYU (Industry-University-Cooperation Foundation Hanyang University)
    Inventors: Yang-Kook Sun, Ce Jin, Hun-Gi Jung, Sung-Woo Oh
  • METHOD FOR PRODUCING CRYSTALLINE TITANIUM DIOXIDE, METHOD FOR PRODUCING A NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY
    Publication number: 20110269025
    Abstract: A method of manufacturing crystalline titanium dioxide (TiO2) powder, a method of a negative active material, and a negative active material and a rechargeable lithium battery including the crystalline titanium dioxide (TiO2) powder are provided. The method of manufacturing the crystalline titanium dioxide powder may include: preparing a titanyl chloride (TiOCl2) aqueous solution by adding titanium tetrachloride (TiCl4) to water at a temperature ranging from 0° C. to 10° C.; adding alcohol, urea, and a sphere-shaping agent to the titanyl chloride aqueous solution to prepare a mixture; and hydrothermally synthesizing the mixture under a pressure ranging from 1.5 atm to 5 atm at a temperature ranging from 80° C. to 155° C.
    Type: Application
    Filed: January 13, 2010
    Publication date: November 3, 2011
    Inventors: Yang-Kook Sun, Ce Jin, Hun-Gi Jung, Sung-Woo Oh