Patents by Inventor Seok-Yoon Yoo

Seok-Yoon Yoo 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: 10205154
    Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: February 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Chi-Young Lee, Kwan-Hyung Lee
  • Patent number: 10153466
    Abstract: A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate coupled to the case at an opening thereof; an electrode terminal electrically connected to the electrode assembly and on the cap plate; and a top plate between the electrode terminal and the cap plate, wherein the top plate and/or the electrode terminal has a slanted side at a lower side thereof facing the cap plate.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 11, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Kwan Hyung Lee
  • Patent number: 10090506
    Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; an electrode terminal configured to be electrically coupled to the electrode assembly; a case configured to accommodate the electrode assembly; and a cap plate mounted at an opening of the case, the cap plate having a terminal hole. The electrode terminal includes: a first terminal at the terminal hole of the cap plate and configured to be electrically coupled to the electrode assembly; a second terminal at an exterior side of the cap plate and configured to be electrically coupled to the first terminal such that the first terminal is exposed to an exterior of the case; and a third terminal on the second terminal and configured to be elastically deformable and electrically coupled to the first terminal through the second terminal.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: October 2, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Hyun-Soo Lee
  • Patent number: 9899638
    Abstract: A rechargeable battery includes a conductive case including a bottom part and a wall part extending from a periphery of the bottom part, an electrode assembly including a positive electrode and a negative electrode, and accommodated in the case, a cap plate opposite to the bottom part and electrically connected to the case, a positive terminal fixed to the cap plate and electrically connected to the cap plate, a negative terminal fixed to the cap plate and electrically insulated from the cap plate, a positive electrode tab extending from the positive electrode and electrically connected to the bottom part, and a negative electrode tab extending from the negative electrode, facing the positive electrode tab, and electrically connected to the negative terminal, wherein a length of the cap plate in a first direction is less than a height of the wall part in a second direction.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: February 20, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwan-Hyung Lee, Seok-Yoon Yoo, Sang-Won Byun
  • Publication number: 20170098802
    Abstract: A rechargeable battery includes a conductive case including a bottom part and a wall part extending from a periphery of the bottom part, an electrode assembly including a positive electrode and a negative electrode, and accommodated in the case, a cap plate opposite to the bottom part and electrically connected to the case, a positive terminal fixed to the cap plate and electrically connected to the cap plate, a negative terminal fixed to the cap plate and electrically insulated from the cap plate, a positive electrode tab extending from the positive electrode and electrically connected to the bottom part, and a negative electrode tab extending from the negative electrode, facing the positive electrode tab, and electrically connected to the negative terminal, wherein a length of the cap plate in a first direction is less than a height of the wall part in a second direction.
    Type: Application
    Filed: May 27, 2016
    Publication date: April 6, 2017
    Inventors: Kwan-Hyung Lee, Seok-Yoon Yoo, Sang-Won Byun
  • Publication number: 20170062779
    Abstract: A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate coupled to the case at an opening thereof; an electrode terminal electrically connected to the electrode assembly and on the cap plate; and a top plate between the electrode terminal and the cap plate, wherein the top plate and/or the electrode terminal has a slanted side at a lower side thereof facing the cap plate.
    Type: Application
    Filed: May 19, 2016
    Publication date: March 2, 2017
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Kwan Hyung Lee
  • Patent number: 9525161
    Abstract: Disclosed is a rechargeable battery including a case, an electrode assembly accommodated in the case, a first terminal unit electrically coupled to the electrode assembly, and a first current collector including a first portion coupled with the electrode assembly, a second portion coupled with the first terminal unit, and a connection unit coupling the first portion and the second portion and having a thickness that is greater than the thickness of the first portion.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: December 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chi-Young Lee, Seok-Yoon Yoo, Yun-Jung Kwak, Jeong-Won Oh
  • Patent number: 9466823
    Abstract: A rechargeable battery including an electrode assembly, a case housing the electrode assembly, a cap plate coupled to the case, a first electrode terminal on the cap plate, and a first lead tab electrically connecting the electrode assembly and the first electrode terminal, wherein the first lead tab has a cell fuse and a heat dissipating member coupled to the first lead tab and spaced from the cell fuse.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: October 11, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yun-Jung Kwak, Jeong-Won Oh, Seok-Yoon Yoo, Chi-Young Lee, Min-Seok Koo
  • Publication number: 20160043379
    Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.
    Type: Application
    Filed: June 5, 2015
    Publication date: February 11, 2016
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Chi-Young Lee, Kwan-Hyung Lee
  • Patent number: 9236595
    Abstract: A secondary battery including an electrode assembly, the electrode assembly including electrode plates and a separator interposed between the electrode plates, at least one of the electrode plates including a coated part, the coated part including a metallic plate having an active material coated thereon, and an uncoated part, the uncoated part including a metallic plate without active material coated thereon, the uncoated part including a folding line in the uncoated part, and a folding part with an end portion folded with respect to the folding line; and a current collector electrically contacting the folding part.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: January 12, 2016
    Assignees: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbH
    Inventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
  • Publication number: 20150349318
    Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; an electrode terminal configured to be electrically coupled to the electrode assembly; a case configured to accommodate the electrode assembly; and a cap plate mounted at an opening of the case, the cap plate having a terminal hole. The electrode terminal includes: a first terminal at the terminal hole of the cap plate and configured to be electrically coupled to the electrode assembly; a second terminal at an exterior side of the cap plate and configured to be electrically coupled to the first terminal such that the first terminal is exposed to an exterior of the case; and a third terminal on the second terminal and configured to be elastically deformable and electrically coupled to the first terminal through the second terminal.
    Type: Application
    Filed: March 16, 2015
    Publication date: December 3, 2015
    Inventors: Sang-Won Byun, Seok-Yoon Yoo, Hyun-Soo Lee
  • Patent number: 9178204
    Abstract: A rechargeable battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coated portion coated with a first active material and an uncoated portion absent the first active material; a safety assembly including a first electric conductive plate and a first supporting protrusion extending from the first electric conductive plate and physically coupled to the uncoated portion; a current collecting tab electrically coupling the electrode assembly with the terminal and physically coupled to the uncoated portion; and a first auxiliary plate physically coupled to the uncoated portion at a surface of the uncoated portion opposite to where the first supporting protrusion is physically coupled to the uncoated portion.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: November 3, 2015
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Jong-Seok Moon, Seok-Yoon Yoo, Chi-Young Lee, Yoon-Tai Kwak, Yong-Sam Kim
  • Patent number: 9118071
    Abstract: A rechargeable battery configured to stably and easily interrupt a current includes: an electrode assembly including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; a case containing the electrode assembly therein and having a first opening at one end thereof; and a first plate coupled to the case and sealing the first opening, the first plate electrically connected to the electrode assembly, wherein the first plate includes a wrinkle portion configured to deform for disconnecting the first plate from the electrode assembly when an internal pressure of the case is greater than a reference pressure.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: August 25, 2015
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee, Dong-Wook Kim, Jong-Seok Moon
  • Patent number: 9012064
    Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and separators which are wound together, current collecting plates attached to the electrode assembly, a case configured to accommodate the electrode assembly and the current collecting plates, and a cap configured to cover an opening of the case and electrically connect to the current collecting plates. Each of the current collecting plates includes a current collecting part and a welding part. The current collecting parts electrically connect to the electrode assembly. The welding part is welded to the electrode assembly and the current collecting part.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: April 21, 2015
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
  • Publication number: 20150024259
    Abstract: Disclosed is a rechargeable battery including a case, an electrode assembly accommodated in the case, a first terminal unit electrically coupled to the electrode assembly, and a first current collector including a first portion coupled with the electrode assembly, a second portion coupled with the first terminal unit, and a connection unit coupling the first portion and the second portion and having a thickness that is greater than the thickness of the first portion.
    Type: Application
    Filed: January 7, 2014
    Publication date: January 22, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Chi-Young Lee, Seok-Yoon Yoo, Yun-Jung Kwak, Jeong-Won Oh
  • Publication number: 20140242426
    Abstract: A rechargeable battery including an electrode assembly, a case housing the electrode assembly, a cap plate coupled to the case, a first electrode terminal on the cap plate, and a first lead tab electrically connecting the electrode assembly and the first electrode terminal, wherein the first lead tab has a cell fuse and a heat dissipating member coupled to the first lead tab and spaced from the cell fuse.
    Type: Application
    Filed: August 8, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Yun-Jung Kwak, Jeong-Won Oh, Seok-Yoon Yoo, Chi-Young Lee, Min-Seok Koo
  • Patent number: 8771870
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes and a container for receiving the electrode assembly inside thereof. The secondary battery also includes a cap assembly fixed to the container to seal the container and a gasket disposed between the container and the cap assembly. The gasket has at least one concavo-convex portion on a surface contacting the container and/or the cap assembly. This improved gasket structure enhances the air tightness of the secondary battery.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: July 8, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Patent number: 8765290
    Abstract: A rechargeable battery 100 includes a plurality of electrode assemblies 10; a case 34 housing the electrode assemblies 10; at least one electrode terminal 21, 22, electrically connected to the electrode assemblies 10 by a lead tab 40, 50, the lead tab 50 including a terminal junction part 51; and a prong portion extending from the terminal junction plate, the prong portion comprising a plurality of prongs 53, 54, each of the prongs having a main body 53a electrically connected to one of the electrode assemblies 10 and an angled body 53b bent at one angle from the main body 53a.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: July 1, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Yong-Sam Kim, Seok-Yoon Yoo, Young-Bong Choi, Sang-Jin Park
  • Patent number: 8697275
    Abstract: A battery including: a case having a case region extendable along a first direction; an electrode assembly housed within the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first uncoated region at a first end of the electrode assembly, and the second electrode including a second uncoated region at a second end of the electrode assembly, the second end facing oppositely away from the first end, and the first uncoated region being spatially separated from the second uncoated region along the first direction; and a terminal electrically coupled to at least one of the first uncoated region or the second uncoated region, the case region being between the first uncoated region and the second uncoated region along the first direction.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: April 15, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Dong-Wook Kim, Chi-Young Lee, Jong-Seok Moon
  • Patent number: 8460810
    Abstract: A rechargeable battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode wound together and a case housing the electrode assembly, wherein the electrode assembly has an inner surface and an outer surface having a concave portion.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: June 11, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Dong-Hyun Lee, Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee