Patents by Inventor Ji Sung Han

Ji Sung Han 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).

  • Lithium-sulfur batteries
    Patent number: 7250233
    Abstract: A lithium-sulfur battery having a positive electrode including a positive active material including an active sulfur, where the positive electrode comprises an electron-conductive path and an ion-conductive path, and includes active pores of the average size of up to 20 ?m having both electron-conductive and ion-conductive properties, and are filled with the active sulfur during an electrochemical reaction of the battery.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: July 31, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soo Seok Choi, Yunsuk Choi, Yongju Jung, Jaewoan Lee, Duck Chul Hwang, Joo Soak Kim, Zin Park, Seok Kim, Ji Sung Han
  • Lithium-sulfur batteries
    Publication number: 20020192557
    Abstract: A lithium-sulfur battery having a positive electrode including a positive active material including an active sulfur, where the positive electrode comprises an electron-conductive path and an ion-conductive path, and includes active pores of the average size of up to 20 &mgr;m having both electron-conductive and ion-conductive properties, and are filled with the active sulfur during an electrochemical reaction of the battery.
    Type: Application
    Filed: February 12, 2002
    Publication date: December 19, 2002
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Soo Seok Choi, Yunsuk Choi, Yongju Jung, Jaewoan Lee, Duck Chul Hwang, Joo Soak Kim, Zin Park, Seok Kim, Ji Sung Han