Patents by Inventor Sang-Eun Cheon

Sang-Eun Cheon 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: 11932545
    Abstract: The present disclosure relates to a method for preparing a mordenite zeolite, the method including crystallizing, at a temperature of 150° C. to 190° C., a gel which includes, in mol based on 1 mol of silica, 0.02 to 0.2 of an alumina precursor, 0.01 to 0.04 of a structure-directing agent, 0.1 to 0.18 of a pH control agent, and 10 to 100 of water. According to the present disclosure, a mordenite zeolite having high particle size uniformity and a particle size controllable while maintaining the particle size uniformity may be prepared.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 19, 2024
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young-Eun Cheon, Yeon-Ho Kim, Sang-Il Lee, Ji-Hoon Lee
  • Patent number: 9306197
    Abstract: A rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to the portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: April 5, 2016
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi
  • 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
  • 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
  • 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: 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
  • Patent number: 8338021
    Abstract: A battery module including a plurality of rechargeable batteries including a case and terminals protruding outside of the case; a first connecting member electrically connecting first terminals of neighboring rechargeable batteries and including a fuse unit configured to disconnect the first terminals of the neighboring rechargeable batteries when an overcurrent is generated; a plurality of second connecting members electrically connecting second terminals of the neighboring rechargeable batteries to terminals of connected rechargeable batteries; and a shorting member configured to generate a short circuit by connecting neighboring second connecting members to each other.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: December 25, 2012
    Assignee: SB LiMotive Co., Ltd.
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
  • Patent number: 8323813
    Abstract: According to an embodiment of the present invention, a rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to the portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: December 4, 2012
    Assignee: SB LiMotive Co., Ltd.
    Inventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi
  • Patent number: 8178235
    Abstract: A rechargeable battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, a case for receiving the electrode assembly, the case having an open end, and a cap plate having an inclined outer edge surface, an outer end of the included outer edge surface being attached to a surface of the open end of the case.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: May 15, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Patent number: 8173288
    Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive and negative electrodes, a case for housing the electrode assembly, a cap assembly to be attached to the case for sealing the case and to have a terminal exposed outside the case, and a lead element which electrically connects the electrode assembly to the terminal. The electrode assembly includes an uncoated region where an active material is not present and the lead element has a configuration corresponding to that of the uncoated region and is closely affixed to the uncoated region.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: May 8, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo, Hye-Won Yoon
  • Patent number: 7985499
    Abstract: A battery including an electrode assembly including first and second electrodes, a lead element electrically connected to the first electrode, and an external terminal electrically connected to the lead element, wherein the lead element includes a fixing member configured to hold the lead element against the first electrode.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: July 26, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Hye-Won Yoon, Jae-Kyung Kim, Seok-Yoon Yoo
  • Publication number: 20110151318
    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: Application
    Filed: June 25, 2010
    Publication date: June 23, 2011
    Inventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
  • Patent number: 7955736
    Abstract: A secondary battery includes: a case; an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween, the electrode assembly being arranged within the case; a cap assembly affixed to the case and adapted to seal the case, the cap assembly being electrically connected to the electrode assembly; and a pair of current collecting plates adapted to be respectively electrically connected to the positive and negative electrodes. Each electrode includes an un-coated region absent an active material, the un-coated region of each electrode contacting its respective current collecting plate. Each un-coated region includes a plurality of independent regions separated from one other, the plurality of independent regions being bent and affixed to their respective current collecting plate.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: June 7, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Hwa-Young Won
  • Publication number: 20110104537
    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: Application
    Filed: August 23, 2010
    Publication date: May 5, 2011
    Inventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
  • Patent number: 7935436
    Abstract: A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode assembly therein, lead elements connected to the electrode assembly and disposed at a sealing region of the case, and a sealant arranged between and adjacent to the case and the lead element the sealant including an area having relatively less resistance to fracture.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20110039147
    Abstract: A battery module including a plurality of rechargeable batteries including a case and terminals protruding outside of the case; a first connecting member electrically connecting first terminals of neighboring rechargeable batteries and including a fuse unit configured to disconnect the first terminals of the neighboring rechargeable batteries when an overcurrent is generated; a plurality of second connecting members electrically connecting second terminals of the neighboring rechargeable batteries to terminals of connected rechargeable batteries; and a shorting member configured to generate a short circuit by connecting neighboring second connecting members to each other.
    Type: Application
    Filed: June 10, 2010
    Publication date: February 17, 2011
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
  • Patent number: 7842416
    Abstract: The rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between those two electrodes. The battery further comprises a container that receives the electrode assembly inside it and a cap assembly that is coupled with the container to seal it. The cap assembly includes a cap plate that is coupled with the container, an external terminal that is disposed in the cap plate to be coupled with to the electrode assembly, and a tubular body that surrounds the external terminal to fix the external terminal to the cap plate.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 30, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Kyung Kim, Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon
  • Patent number: 7838152
    Abstract: The present invention relates to a conductive agent/positive active material composite for a lithium secondary battery. The composite includes a positive active material capable of reversibly intercalating/deintercalating lithium ions, and a conductive agent on the surface of the positive active material. The conductive agent comprises a first conductive agent having a specific surface area ranging from about 200 to about 1500 m2/g and a second conductive agent having a specific surface area of about 100 m2/g or less.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: November 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon, Jae-Kyung Kim