Patents by Inventor Yun-Woong Kim

Yun-Woong Kim 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).

  • Rechargeable battery
    Patent number: 9825325
    Abstract: A rechargeable battery with improved safety and increased capacity of a cell including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case comprising an opening configured to receive the electrode assembly; a cap assembly coupled to the sides of the opening of the case; and a lead tab connecting the first electrode to the cap assembly, wherein the first electrode includes a coating region where an active material is coated on both surfaces of a current collector, a first uncoated region where the active material is not coated on the current collector, and a second uncoated region where the active material is not coated on one surface of the current collector.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yun-Woong Kim, Chang-Young Choi, Soon-Chul Byun, Young-Chang Kim
  • RECHARGEABLE BATTERY
    Publication number: 20150140381
    Abstract: A rechargeable battery with improved safety and increased capacity of a cell including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case comprising an opening configured to receive the electrode assembly; a cap assembly coupled to the sides of the opening of the case; and a lead tab connecting the first electrode to the cap assembly, wherein the first electrode includes a coating region where an active material is coated on both surfaces of a current collector, a first uncoated region where the active material is not coated on the current collector, and a second uncoated region where the active material is not coated on one surface of the current collector.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 21, 2015
    Inventors: Yun-Woong Kim, Chang-Young Choi, Soon-Chul Byun, Young-Chang Kim