Patents by Inventor Ghi Soo Han

Ghi Soo 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 secondary battery
    Patent number: 9099755
    Abstract: This invention relates to a lithium secondary battery, the tab shape of which is improved, thus increasing the safety and improving the electrical properties thereof. The lithium secondary battery includes an electrode group composed of a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, a first electrode tab connected to the first electrode, and a second electrode tab connected to the second electrode. The first electrode tab includes a first portion connected to the first electrode and a second portion, which is not the first portion, the width of the first portion being less than the width of the second portion.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: August 4, 2015
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jeon Keun Oh, Eun Joo Lee, Jae Myoung Lee, Ghi Soo Han
  • LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD FOR SAME
    Publication number: 20110104539
    Abstract: A lithium secondary battery includes: a first electrode having a first current collector, and first active material patterns formed on the first current collector such that the first active material patterns are symmetrically disposed with a first center non-coated portion formed therebetween; a second electrode having a second current collector, and second active material patterns formed on the second current collector such that the second active material patterns are symmetrically disposed with a second center non-coated portion formed therebetween; a first electrode tab connected to the first center non-coated portion; and a second electrode tab connected to the second center non-coated portion.
    Type: Application
    Filed: January 23, 2009
    Publication date: May 5, 2011
    Applicant: SK ENERGY CO., LTD.
    Inventors: Jeon Keun Oh, Eun Joo Lee, Jae Myoung Lee, Ghi Soo Han
  • LITHIUM SECONDARY BATTERY
    Publication number: 20090297944
    Abstract: This invention relates to a lithium secondary battery, the tab shape of which is improved, thus increasing the safety and improving the electrical properties thereof. The lithium secondary battery includes an electrode group composed of a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, a first electrode tab connected to the first electrode, and a second electrode tab connected to the second electrode. The first electrode tab includes a first portion connected to the first electrode and a second portion, which is not the first portion, the width of the first portion being less than the width of the second portion.
    Type: Application
    Filed: January 24, 2008
    Publication date: December 3, 2009
    Inventors: Jeon Keun Oh, Eun Joo Lee, Jae Myoung Lee, Ghi Soo Han