Patents by Inventor Gee Eun Lim

Gee Eun Lim 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).

  • Patent number: 12683144
    Abstract: Provided is an electrode for secondary battery. The electrode may include a substrate, a first coated portion disposed on a first surface of the substrate, the first coated portion comprising an active material; and a first uncoated portion disposed on the first surface of the substrate, the first uncoated portion being in contact with the first coated portion and exposing the substrate, wherein a first side portion of the first coated portion in contact with the first uncoated portion has a stepped surface.
    Type: Grant
    Filed: January 2, 2025
    Date of Patent: July 14, 2026
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Geonsoo Kim, Sanghyun Yoo, Junsub Lee, Pilgoo Jun, Gee Eun Lim, Woonseok Chang, Kyuyoung Park, Taejin Yoon, Seonjin Choi
  • Publication number: 20260134531
    Abstract: The present disclosure relates to an apparatus for and method of analyzing a coated state of an electrode plate of a secondary battery and is directed to providing an apparatus for and method of analyzing coated stated of first and second coating materials located on first and second surfaces of an electrode plate, respectively. To this end, the present disclosure provides embodiments in which a target image of a surface of an electrode plate is acquired, markers are overlaid on the surface of the electrode plate, and a mismatch of coating properties of first and second coating materials located respectively on first and second surfaces of the electrode plate is determined based on the markers on the target image.
    Type: Application
    Filed: October 2, 2025
    Publication date: May 14, 2026
    Inventors: Gee Eun LIM, Sung Hun KIM, Jun Sub LEE, Sang Hyun YOO, Geon Soo KIM
  • Publication number: 20250309237
    Abstract: Provided is an electrode for secondary battery. The electrode may include a substrate, a first coated portion disposed on a first surface of the substrate, the first coated portion comprising an active material; and a first uncoated portion disposed on the first surface of the substrate, the first uncoated portion being in contact with the first coated portion and exposing the substrate, wherein a first side portion of the first coated portion in contact with the first uncoated portion has a stepped surface.
    Type: Application
    Filed: January 2, 2025
    Publication date: October 2, 2025
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Geonsoo Kim, Sanghyun Yoo, Junsub Lee, Pilgoo Jun, Gee Eun Lim, Woonseok Chang, Kyuyoung Park, Taejin Yoon, Seonjin Choi