Patents by Inventor Sang-Won Byun

Sang-Won Byun 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).

  • Battery module and its method of manufacture
    Patent number: 8691436
    Abstract: A rechargeable battery that prevents a concentration of stress on a coupling portion of a lead tab and a cap assembly at a time of bending the lead tab so as to not damage the coupling portion includes: an electrode assembly having a first electrode, a second electrode, and a separator interposed between the first and second electrodes; a case to receive the electrode assembly and having an open top portion; a cap assembly arranged on the top portion of the case; a lead tab having one end affixed to the cap assembly to electrically connect the cap assembly to the first electrode; and a stopper fixed to the cap assembly and having one end arranged on the lead tab, the stopper allowing a portion of the lead tab contacting the one end of the stopper to be bent when the lead tab is bent.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: April 8, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Masanori Kogure, Dae-Won Han
  • Secondary battery and a secondary battery module
    Patent number: 8673479
    Abstract: A secondary battery and a secondary battery module, the secondary battery including an electrode assembly, the electrode assembly including a positive electrode, a negative electrode, and a separator therebetween; a case for accommodating the electrode assembly; a cap plate for sealing the case; and at least one terminal unit, the at least one terminal unit including a multi-metal electrode rivet electrically connected to one of the electrodes of the electrode assembly, the multi-metal electrode rivet including a first part and a second part, and, a rivet terminal, the rivet terminal being electrically connected to the multi-metal electrode rivet; wherein the rivet terminal and the second part are each formed of a second metallic material, the first part is formed of a first metallic material, and the first metallic material is different from the second metallic material.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: March 18, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Yong-Sam Kim, Sung-Bae Kim, Soo-Soek Choi
  • Rechargeable battery
    Patent number: 8658296
    Abstract: A rechargeable battery includes a battery case surrounding an electrode assembly. The battery case may include a cap plate having a vent hole, the cap plate being attached to the battery case, a vent plate disposed over and covering the vent hole, and a member protruding from an area of the cap plate surrounding the vent hole, the vent plate being on the member.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: February 25, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Sang-Won Byun
  • Rechargeable battery
    Patent number: 8632911
    Abstract: A rechargeable battery includes an electrode assembly in a battery case, the electrode assembly including a positive electrode, a negative electrode, and a separator, a cap plate connected to the battery case, the cap plate including a short member configured to deform and electrically connect the positive and negative electrodes, and a current collecting portion including at least one fuse, the at least one fuse being electrically connected to one of the negative and positive electrodes of the electrode assembly.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: January 21, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Yong-Sam Kim, Sung-Bae Kim, Hyo-Seob Kim, Chi-Young Lee
  • Hooked retainer for electrode body in rechargeable battery
    Patent number: 8628878
    Abstract: A battery includes a case defining an inner space, the case having an inner wall, an electrode assembly in the inner space, the electrode assembly including an uncoated region, a lead tab configured to carry electricity, the lead tab being connected to the uncoated region, and a retainer, the retainer being joined to the lead tab and disposed between the electrode assembly and the inner wall, the retainer having a predetermined thickness.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: January 14, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sung-Bae Kim, Yong-Sam Kim, Sang-Won Byun
  • Battery module with multi-level connector
    Patent number: 8628875
    Abstract: An embodiment is directed to a battery module, including a first battery having a first terminal, the first terminal including a first metal, a second battery having a second terminal, the second terminal including a second metal different from the first metal, and a connecting member electrically connecting the first terminal to the second terminal, the connecting member having a first portion and a second portion, a face of the first portion being joined to a face of the second portion, a nugget zone being disposed where the face of the first portion meets the face of the second portion, the first portion including a third metal, the second portion including a fourth metal, and the fourth metal being different from the third metal.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: January 14, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sung-Bae Kim, Yong-Sam Kim, Sang-Won Byun, Hyo-Seob Kim
  • Rechargeable battery
    Patent number: 8623545
    Abstract: A battery includes a case housing an electrode assembly, the case having an opening for receiving the electrode assembly, a cap plate combined with the opening so as to close the case, a first insulator on an outer surface of the cap plate, an electrode terminal electrically connected to the electrode assembly, the electrode terminal extending through a first terminal hole in the cap plate and a second terminal hole in the first insulator, a first connection portion that mates the cap plate to the first insulator so as to oppose rotation of the first insulator relative to the cap plate, the first connection portion being eccentric with respect to a central line of the first terminal hole, and a second connection portion that mates the first insulator to the electrode terminal so as to oppose rotation of the electrode terminal relative to the first insulator.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: January 7, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sung-Bae Kim, Yong-Sam Kim, Sang-Won Byun, Dae-Won Han, Byung-Kyu Ahn
  • RECHARGEABLE BATTERY MODULE
    Publication number: 20130337306
    Abstract: A rechargeable battery module, including unit cells that are adjacent to each other, each of the unit cells being configured as a rechargeable battery and including a first electrode terminal, a second electrode terminal, and a case that is electrically connected to the second electrode terminal, an insulation film on at least one side among all sides of the unit cells, and a conductive member on a side of the insulation film, the conductive member being electrically connected to the first electrode terminal of at least one of the unit cells.
    Type: Application
    Filed: February 28, 2013
    Publication date: December 19, 2013
    Applicants: ROBERT BOSCH GMBH, SAMSUNG SDI CO., LTD.
    Inventors: Min-Yeol HAN, Sang-Won BYUN
  • Battery module and method of manufacturing the same
    Patent number: 8586230
    Abstract: A battery module and a method of manufacturing the same, the battery module including a plurality of rechargeable batteries, each rechargeable battery including a positive electrode terminal and a negative electrode terminal formed of different materials; a bus bar electrically connecting the plurality of rechargeable batteries; a first terminal plate for installing the bus bar, the first terminal plate being coupled to the positive electrode terminal via a first welding portion; and a second terminal plate for installing the bus bar, the second terminal plate being coupled to the negative electrode terminal via a second welding portion, at least one of the first welding portion and the second welding portion being a friction stir weld.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: November 19, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sung-Bae Kim, Yong-Sam Kim, Sang-Won Byun
  • Rechargeable battery comprising short circuit unit responsive to pressure and module thereof
    Patent number: 8557418
    Abstract: A rechargeable battery adapted to prevent or reduce overcharge. A rechargeable battery includes a case containing an electrode assembly; a cap plate coupled to the case and sealing an opening of the case; a first electrode terminal connected to a first electrode of the electrode assembly and electrically connected to the case; a second electrode terminal connected to a second electrode of the electrode assembly and electrically insulated from the case when a pressure inside the case is less than a threshold pressure; and a short-circuit unit including a short-circuit member connected to the second electrode terminal, the short-circuit unit adapted to short-circuit the second electrode terminal to the case by swelling a portion of the case to contact the short-circuit member when the pressure inside the case is equal to or greater than the threshold pressure.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: October 15, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Yong-Sam Kim, Dae-Won Han, Byung-Kyu Ahn, Sung-Bae Kim
  • SECONDARY BATTERY
    Publication number: 20130260219
    Abstract: A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case.
    Type: Application
    Filed: May 21, 2013
    Publication date: October 3, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Yong-Sam KIM, Sang-Won BYUN, Sung-Bae KIM, Byung-Kyu AHN
  • Rechargeable battery
    Patent number: 8535828
    Abstract: A rechargeable battery includes: an electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case housing the electrode group; a cap-up electrically connected with the electrode group and combined with the case; a vent plate installed below the cap-up and having a notch; and a heterogeneous metallic member installed between the cap-up and the vent plate and made of a clad metal, whereby the stability and outputting of the rechargeable battery can be improved.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: September 17, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Yong-Sam Kim, Masanori Kogure
  • Battery module having compact interconnection structure
    Patent number: 8530073
    Abstract: A battery module having improved interconnection members to connect rechargeable batteries together and to minimize an increase in a volume of the battery module includes: first and second rechargeable batteries, each having an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, and a casing to contain the electrode assembly; a first interconnection member arranged on an upper side surface of the casing of the first rechargeable battery and electrically connected to the first electrode of the first rechargeable battery; and a second interconnection member arranged on a lower side surface of the casing of the second rechargeable battery and electrically connected to the second electrode of the second rechargeable battery, the second interconnection member being connected to the first interconnection member.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: September 10, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Tae-Yong Kim, Yong-Sam Kim, Ji-Hyoung Yoon
  • Secondary battery having an electrode terminal penetrating through and electrically insulated from a cap plate
    Patent number: 8512895
    Abstract: A secondary battery includes an electrode assembly and an electrolyte solution in a case, a current collection unit in the case and electrically connected to the electrode assembly, a cap plate coupled to an open side of the case for sealing the case, an electrode terminal penetrating the cap plate through a terminal hole to be exposed to an exterior of the case, the electrode terminal being electrically connected to the current collection unit, and an insulation unit separating the cap plate from the electrode terminal and the current collection unit, the insulation unit being configured to block penetration of the electrolyte solution therethrough toward the cap plate.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: August 20, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Yong-Sam Kim, Sung-Bae Kim, Byung-Kyu Ahn
  • Rechargeable battery
    Patent number: 8501346
    Abstract: A rechargeable battery having improved supporting force of a lead tab and fastening force between the lead tab and an electrode terminal. A rechargeable battery according to an exemplary embodiment includes an electrode assembly formed by winding positive and negative electrodes formed at both sides of a separator together with the separator, a case housing the electrode assembly therein, a cap plate sealing an opening at one side of the case, an electrode terminal formed in a terminal hole of the cap plate, and a lead tab connecting the electrode terminal and the electrode assembly in the case. The electrode terminal includes an inner terminal plate formed at an inner side of the cap plate and a main coupling protrusion and a first auxiliary coupling protrusion protruding from the inner terminal plate and respectively coupled to a first fastening hole and a second fastening hole of the lead tab.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: August 6, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Byung-Kyu Ahn
  • RECHARGEABLE BATTERY
    Publication number: 20130196179
    Abstract: A rechargeable battery includes a case having an interior and an exterior, an electrode assembly having a first electrode and a second electrode, the electrode assembly being disposed in the interior of the case, an electrode terminal, an electrode connection portion, the electrode connection portion being electrically connected to the electrode terminal through a fuse portion, the fuse portion being positioned between and extending between the electrode connection portion and the electrode terminal.
    Type: Application
    Filed: May 10, 2012
    Publication date: August 1, 2013
    Inventors: Min-Yeol Han, Sang-Won Byun, Jeong-Won Oh
  • Battery module
    Patent number: 8460818
    Abstract: A battery module includes: a plurality of rechargeable batteries; and a connector for connecting a first terminal of one of the plurality of rechargeable batteries and including a first material, to a second terminal of another one of the plurality of rechargeable batteries and including a second material, wherein welded portions connect the connector to the first terminal and the second terminal, respectively, at least one of the welded portions including a nugget zone including a mixture of the respective materials of the connector and a corresponding one of the first terminal or the second terminal.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: June 11, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sung-Bae Kim, Yong-Sam Kim, Sang-Won Byun, Hyo-Seob Kim
  • RECHARGEABLE BATTERY
    Publication number: 20130143080
    Abstract: A rechargeable battery including: an electrode assembly; a case having an opening to receive the electrode assembly; a cap plate covering the opening of the case; a terminal arranged at the cap plate and electrically connected to the electrode assembly; a current collecting member coupled to the electrode assembly and the terminal and including a fuse unit; and a supporting member coupled to the current collecting member and supporting the fuse unit.
    Type: Application
    Filed: July 12, 2012
    Publication date: June 6, 2013
    Inventor: Sang-Won BYUN
  • Secondary battery
    Patent number: 8450008
    Abstract: A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: May 28, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Yong-Sam Kim, Sang-Won Byun, Sung-Bae Kim, Byung-Kyu Ahn
  • Rechargeable battery with short circuit member
    Patent number: 8440336
    Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the electrode assembly; and a cap assembly coupled to the case. The cap assembly includes a cap plate and a short circuit member attached to the cap plate. The short circuit member includes a portion having a different thickness from another portion of the short circuit member.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: May 14, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Sang-Won Byun