Patents by Inventor Jakyung Cho

Jakyung Cho 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).

  • ELECTRODE ASSEMBLY BLOCK AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20160111699
    Abstract: An electrode assembly block includes a first electrode plate including a first electrode collector plate and a first electrode tab; a first separator on a bottom surface of the first electrode plate and a second separator on a top surface of the first electrode plate, to cover the first electrode collector plate between the first separator and the second separator while allowing a portion of the first electrode tab to be exposed; and a second electrode plate on a bottom surface of the first separator or a top surface of the second separator, the second electrode plate including a second electrode collector plate and a second electrode tab, the second electrode plate corresponding to the first electrode plate, wherein edge regions of the first separator and the second separator are fused together, and the second electrode plate is adhered to the first separator or the second separator.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 21, 2016
    Inventors: Changbum Ahn, Kyugil Choi, Jakyung Cho
  • Secondary battery
    Patent number: 9099696
    Abstract: A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first electrode terminal electrically coupled to the first electrode plate and a second electrode terminal electrically coupled to the second electrode plate; an external member wrapped around side surfaces of the electrode assembly; and a first cover and a second cover coupled to the external member and covering a first end surface and a second end surface, respectively, of the electrode assembly, wherein the first electrode terminal and the second electrode terminal protrude from at least one of the first cover or the second cover.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 4, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Changbum Ahn, Jakyung Cho
  • Secondary battery including a plurality of aligned positive and negative electrode tabs
    Patent number: 8637182
    Abstract: A secondary battery, including an electrode assembly including a first electrode plate, a second electrode plate, and a separator disposed between the first and second electrode plates, wherein the electrode assembly includes a first electrode tab including a plurality of stacked first unit tabs protruding from the first electrode plate; and a second electrode tab including a plurality of stacked second unit tabs protruding from the second electrode plate, wherein the first electrode tab has a width, the width being greater than widths of each of the first unit tabs.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: January 28, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jakyung Cho, Changbum Ahn
  • ELECTRODE ASSEMBLY BLOCK AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110135996
    Abstract: An electrode assembly block includes a first electrode plate including a first electrode collector plate and a first electrode tab; a first separator on a bottom surface of the first electrode plate and a second separator on a top surface of the first electrode plate, to cover the first electrode collector plate between the first separator and the second separator while allowing a portion of the first electrode tab to be exposed; and a second electrode plate on a bottom surface of the first separator or a top surface of the second separator, the second electrode plate including a second electrode collector plate and a second electrode tab, the second electrode plate corresponding to the first electrode plate, wherein edge regions of the first separator and the second separator are fused together, and the second electrode plate is adhered to the first separator or the second separator.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 9, 2011
    Inventors: Changbum Ahn, Kyugil Choi, Jakyung Cho
  • SECONDARY BATTERY
    Publication number: 20110117406
    Abstract: A secondary battery, including an electrode assembly including a first electrode plate, a second electrode plate, and a separator disposed between the first and second electrode plates, wherein the electrode assembly includes a first electrode tab including a plurality of stacked first unit tabs protruding from the first electrode plate; and a second electrode tab including a plurality of stacked second unit tabs protruding from the second electrode plate, wherein the first electrode tab has a width, the width being greater than widths of each of the first unit tabs.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 19, 2011
    Inventors: Jakyung CHO, Changbum AHN
  • Lithium Polymer Secondary Battery
    Publication number: 20110117404
    Abstract: A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first electrode terminal electrically coupled to the first electrode plate and a second electrode terminal electrically coupled to the second electrode plate; an external member wrapped around side surfaces of the electrode assembly; and a first cover and a second cover coupled to the external member and covering a first end surface and a second end surface, respectively, of the electrode assembly, wherein the first electrode terminal and the second electrode terminal protrude from at least one of the first cover or the second cover.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 19, 2011
    Inventors: Changbum Ahn, Jakyung Cho