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).
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Patent number: 11932545Abstract: 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: GrantFiled: September 23, 2019Date of Patent: March 19, 2024Assignee: SK Innovation Co., Ltd.Inventors: Young-Eun Cheon, Yeon-Ho Kim, Sang-Il Lee, Ji-Hoon Lee
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Patent number: 9306197Abstract: 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: GrantFiled: November 9, 2012Date of Patent: April 5, 2016Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi
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Patent number: 9236595Abstract: 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: GrantFiled: June 25, 2010Date of Patent: January 12, 2016Assignees: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbHInventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
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Patent number: 9118071Abstract: 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: GrantFiled: March 9, 2010Date of Patent: August 25, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee, Dong-Wook Kim, Jong-Seok Moon
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Patent number: 9012064Abstract: 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: GrantFiled: August 23, 2010Date of Patent: April 21, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
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Patent number: 8771870Abstract: 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: GrantFiled: May 6, 2009Date of Patent: July 8, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
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Patent number: 8697275Abstract: 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: GrantFiled: November 25, 2009Date of Patent: April 15, 2014Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Dong-Wook Kim, Chi-Young Lee, Jong-Seok Moon
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Patent number: 8460810Abstract: 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: GrantFiled: December 21, 2009Date of Patent: June 11, 2013Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Dong-Hyun Lee, Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee
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Patent number: 8338021Abstract: 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: GrantFiled: June 10, 2010Date of Patent: December 25, 2012Assignee: SB LiMotive Co., Ltd.Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
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Patent number: 8323813Abstract: 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: GrantFiled: February 5, 2010Date of Patent: December 4, 2012Assignee: 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
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Patent number: 8178235Abstract: 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: GrantFiled: April 25, 2006Date of Patent: May 15, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
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Patent number: 8173288Abstract: 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: GrantFiled: August 29, 2005Date of Patent: May 8, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo, Hye-Won Yoon
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Patent number: 7985499Abstract: 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: GrantFiled: July 5, 2006Date of Patent: July 26, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Hye-Won Yoon, Jae-Kyung Kim, Seok-Yoon Yoo
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Publication number: 20110151318Abstract: 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: ApplicationFiled: June 25, 2010Publication date: June 23, 2011Inventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
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Patent number: 7955736Abstract: 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: GrantFiled: June 20, 2005Date of Patent: June 7, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Hwa-Young Won
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Publication number: 20110104537Abstract: 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: ApplicationFiled: August 23, 2010Publication date: May 5, 2011Inventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
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Patent number: 7935436Abstract: 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: GrantFiled: February 7, 2008Date of Patent: May 3, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
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Publication number: 20110039147Abstract: 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: ApplicationFiled: June 10, 2010Publication date: February 17, 2011Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
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Patent number: 7842416Abstract: 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: GrantFiled: June 29, 2005Date of Patent: November 30, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Kyung Kim, Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon
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Patent number: 7838152Abstract: 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: GrantFiled: October 25, 2005Date of Patent: November 23, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon, Jae-Kyung Kim