Patents by Inventor Junbo SEO

Junbo SEO 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).

  • Jelly-roll of improved productivity and battery cell comprising the same
    Patent number: 10079380
    Abstract: Disclosed herein is a jelly roll for a secondary battery configured by winding a cathode sheet, a separator, and an anode sheet, wherein electrode tabs are connected to uncoated portions of the electrode sheets, to which electrode active materials are not applied, by welding, and each of the electrode tabs is configured to have an embossed structure protruding toward the uncoated portion to improve weldability.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: September 18, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jiyoung Oh, Ki Gon Kim, Dae Hyun Cho, Junbo Seo
  • JELLY-ROLL OF IMPROVED PRODUCTIVITY AND BATTERY CELL COMPRISING THE SAME
    Publication number: 20160301060
    Abstract: Disclosed herein is a jelly roll for a secondary battery configured by winding a cathode sheet, a separator, and an anode sheet, wherein electrode tabs are connected to uncoated portions of the electrode sheets, to which electrode active materials are not applied, by welding, and each of the electrode tabs is configured to have an embossed structure protruding toward the uncoated portion to improve weldability.
    Type: Application
    Filed: June 21, 2016
    Publication date: October 13, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jiyoung Oh, Ki Gon Kim, Dae Hyun Cho, Junbo Seo
  • JELLY-ROLL OF IMPROVED PRODUCTIVITY AND BATTERY CELL COMPRISING THE SAME
    Publication number: 20140147716
    Abstract: Disclosed herein is a jelly roll for a secondary battery configured by winding a cathode sheet, a separator, and an anode sheet, wherein electrode tabs are connected to uncoated portions of the electrode sheets, to which electrode active materials are not applied, by welding, and each of the electrode tabs is configured to have an embossed structure protruding toward the uncoated portion to improve weldability.
    Type: Application
    Filed: February 3, 2014
    Publication date: May 29, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jiyoung OH, Ki Gon KIM, Dae Hyun CHO, Junbo SEO