Patents by Inventor Hae-Kwon Yoon
Hae-Kwon Yoon 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: 9799874Abstract: A rechargeable battery includes at least two electrode assemblies including electrodes on opposite surfaces of a separator, a case accommodating the electrode assemblies, a cap plate coupled to an opening of the case, first and second electrode terminals in the cap plate, and first and second lead tabs connected to respective first and second electrode terminals and to respective uncoated regions of the two electrode assemblies, wherein a first uncoated region of each of the two electrode assemblies is at a center of the case and is connected to the first lead tab, and wherein a second uncoated region of each of the two electrode assemblies is at an edge of the case and is connected to the second lead tab.Type: GrantFiled: February 11, 2014Date of Patent: October 24, 2017Assignee: SAMSUNG SDI CO., LTD.Inventors: Min-Yeol Han, Sang-Won Byun, Hae-Kwon Yoon
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Publication number: 20170033325Abstract: A rechargeable battery includes a battery cell having an inner case housing an electrode assembly and a cap plate combined with the inner case, and an outer case housing the battery cell, the outer case including an upper case having an opening at a first side of the upper case, and a lower case having an opening at a side facing the opening of the upper case.Type: ApplicationFiled: December 18, 2015Publication date: February 2, 2017Inventors: Min-Yeol HAN, Hae-Kwon YOON, Dae-Sik KIM, Ga-Eun YEO
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Patent number: 9537156Abstract: A membrane-electrode assembly for a fuel cell of the present invention includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes a catalyst layer and an electrode substrate. The catalyst layer includes a catalyst and a porous ionomer. The polymer electrolyte membrane contacts one side of the catalyst layer and the electrode substrate contacts the other side of the catalyst layer.Type: GrantFiled: April 6, 2010Date of Patent: January 3, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Hee-Tak Kim, Hae-Kwon Yoon, Young-Mi Park
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Patent number: 9508978Abstract: A rechargeable battery module includes a plurality of unit cells each including a rechargeable battery, a first electrode terminal, and a second electrode terminal; a bus bar coupling adjacent ones of the plurality of unit cells; a first module terminal coupled to the first electrode terminal of one of the plurality of unit cells at one side of the unit cells; a second module terminal coupled to the second electrode terminal of an other one of the plurality of unit cells at an opposite side of the unit cells; and a module short-circuit member coupled to the first module terminal or the second module terminal, separated from the other module terminal, and configured to contact the other module terminal according to temperature.Type: GrantFiled: March 5, 2014Date of Patent: November 29, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Min-Yeol Han, Seung-Bok Lee, Hyun-Gyu Park, Yong-Hee Yun, Hae-Kwon Yoon
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Patent number: 9478774Abstract: A rechargeable battery having an improved penetration characteristic of an external short-circuit current in an electrode assembly by reducing an external short-circuit current. A rechargeable battery including 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; a cap plate covering an opening of the case; an electrode terminal protruding outside the case and electrically connected to the second electrode; and a resistance member between and electrically connecting the electrode terminal and the cap plate.Type: GrantFiled: March 31, 2011Date of Patent: October 25, 2016Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Sang-Won Byun, Hae-Kwon Yoon, Min-Yeol Han
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Patent number: 9324989Abstract: A rechargeable battery includes: an electrode; a case accommodating the electrode assembly therein; a cap plate closing an opening of the case; a first electrode terminal and a second electrode terminal extending through the cap plate and coupled to the electrode assembly; and an external short-circuiter including a membrane closing and sealing a short-circuit opening in the cap plate and coupled to the second electrode terminal, and a short-circuit tab coupled to the first electrode terminal and separated from the membrane, wherein the cap plate includes a bending inducement groove formed at the second electrode terminal.Type: GrantFiled: January 15, 2014Date of Patent: April 26, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Min-Yeol Han, Min-Hyung Guen, Sang-Won Byun, Hae-Kwon Yoon
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Patent number: 9209449Abstract: A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal extending through the cap plate; a lead tab including a fuse part and connecting the electrode terminal and the electrode assembly; and an auxiliary discharge path between opposite sides of the fuse part and having a second electrical resistance value greater than a first electrical resistance value of the fuse part.Type: GrantFiled: April 13, 2012Date of Patent: December 8, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Sang-Won Byun, Soo-Seok Choi, Jeong-Won Oh, Min-Yeol Han, Hae-Kwon Yoon
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Publication number: 20150303433Abstract: A rechargeable battery module includes a plurality of unit cells adjacent to each other, each unit cell including a rechargeable battery with a first electrode terminal, a second electrode terminal, and a case electrically connected to the first electrode terminal, and a conductive member electrically connected to a second electrode terminal of one of the unit cells of the plurality of unit cells, the conductive member including first conductive plates at outermost sides of the unit cells and a plurality of second conductive plates between the unit cells.Type: ApplicationFiled: December 9, 2014Publication date: October 22, 2015Inventors: Min-Yeol HAN, Hae-Kwon YOON, Seung-Bok LEE, Yong-Hee YUN
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Publication number: 20150079429Abstract: A rechargeable battery includes: an electrode; a case accommodating the electrode assembly therein; a cap plate closing an opening of the case; a first electrode terminal and a second electrode terminal extending through the cap plate and coupled to the electrode assembly; and an external short-circuiter including a membrane closing and sealing a short-circuit opening in the cap plate and coupled to the second electrode terminal, and a short-circuit tab coupled to the first electrode terminal and separated from the membrane, wherein the cap plate includes a bending inducement groove formed at the second electrode terminal.Type: ApplicationFiled: January 15, 2014Publication date: March 19, 2015Applicant: SAMSUNG SDI CO., LTD.Inventors: Min-Yeol Han, Min-Hyung Guen, Sang-Won Byun, Hae-Kwon Yoon
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Publication number: 20150064517Abstract: A rechargeable battery module includes a plurality of unit cells each including a rechargeable battery, a first electrode terminal, and a second electrode terminal; a bus bar coupling adjacent ones of the plurality of unit cells; a first module terminal coupled to the first electrode terminal of one of the plurality of unit cells at one side of the unit cells; a second module terminal coupled to the second electrode terminal of an other one of the plurality of unit cells at an opposite side of the unit cells; and a module short-circuit member coupled to the first module terminal or the second module terminal, separated from the other module terminal, and configured to contact the other module terminal according to temperature.Type: ApplicationFiled: March 5, 2014Publication date: March 5, 2015Applicant: Samsung SDI Co., Ltd.Inventors: Min-Yeol Han, Seung-Bok Lee, Hyun-Gyu Park, Yong-Hee Yun, Hae-Kwon Yoon
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Patent number: 8940420Abstract: A battery includes an electrode assembly including a first electrode and a second electrode, a first electrode terminal, and a first current collecting member electrically connecting the first electrode terminal and a first electrode uncoated region of the first electrode. The first current collecting member includes a first terminal connection region, a side plate extending downwardly from the first terminal connection region towards the first electrode uncoated region, a first current collecting piece extending from the side plate, the first current collecting piece being in contact with the first electrode uncoated region, and a fuse between the side plate and the first current collecting piece.Type: GrantFiled: January 5, 2012Date of Patent: January 27, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Min-Yeol Han, Sang-Won Byun, Hae-Kwon Yoon
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Publication number: 20150010805Abstract: A rechargeable battery includes at least two electrode assemblies including electrodes on opposite surfaces of a separator, a case accommodating the electrode assemblies, a cap plate coupled to an opening of the case, first and second electrode terminals in the cap plate, and first and second lead tabs connected to respective first and second electrode terminals and to respective uncoated regions of the two electrode assemblies, wherein a first uncoated region of each of the two electrode assemblies is at a center of the case and is connected to the first lead tab, and wherein a second uncoated region of each of the two electrode assemblies is at an edge of the case and is connected to the second lead tab.Type: ApplicationFiled: February 11, 2014Publication date: January 8, 2015Applicant: SAMSUNG SDI CO., LTD.Inventors: Min-Yeol HAN, Sang-Won BYUN, Hae-Kwon YOON
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Publication number: 20140315051Abstract: A rechargeable battery module includes a plurality of rechargeable batteries, each of the rechargeable batteries including an electrode assembly including a positive electrode and a negative electrode, and a first electrode terminal and a second electrode terminal connected to the electrode assembly, and a bus bar electrically connecting the rechargeable batteries, the bus bar including a bus bar fuse part. The first electrode terminal is connected to and installed with a current collecting member that connects the electrode assembly and the first electrode terminal. The current collecting member includes a current collecting fuse part. An operation current at which the bus bar fuse part is melted is less than an operation current at which the current collecting fuse part is melted.Type: ApplicationFiled: August 22, 2013Publication date: October 23, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Min-Yeol HAN, Hae-Kwon YOON, Zin PARK, Seung-Bok LEE
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Patent number: 8586223Abstract: A secondary battery that includes a cylindrical can, an electrode assembly arranged in a jelly-role configuration within the cylindrical can and having a core extending about an axis thereof and a hollow center pin arranged within the core of the electrode assembly and having an inner diameter and an outer diameter, the outer diameter forming ones of a pair of radial lengths diametrically opposite from each other, each of said pair of radial lengths extending from the outer diameter of the center pin to an external surface of the core, wherein the sum of the pair of radial lengths is in the range of 5% to 54% of the inner diameter of the center pin.Type: GrantFiled: August 24, 2010Date of Patent: November 19, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Hyo-Rim Bak, Jin-Bum Kim, Wan-Mook Lim, Hae-Kwon Yoon, Myoung-Han Ryu
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Publication number: 20130101870Abstract: A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal extending through the cap plate; a lead tab including a fuse part and connecting the electrode terminal and the electrode assembly; and an auxiliary discharge path between opposite sides of the fuse part and having a second electrical resistance value greater than a first electrical resistance value of the fuse part.Type: ApplicationFiled: April 13, 2012Publication date: April 25, 2013Inventors: Sang-Won Byun, Soo-Seok Choi, Jeong-Won Oh, Min-Yeol Han, Hae-Kwon Yoon
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Publication number: 20130089759Abstract: A rechargeable battery according to an exemplary embodiment includes: an electrode assembly having a first electrode, a separator, and a second electrode that are layered; a case in which the electrode assembly is installed; a cap plate coupled to an opening of the case; a first electrode terminal provided in the cap plate to electrically connect the cap plate and the first electrode; a second electrode terminal provided in the cap plate, electrically insulated from the cap plate, and electrically connected to the second electrode; and an external short-circuit portion including a short-circuit tab and provided between the second electrode terminal and the cap plate. The short-circuit tab is formed of a heterogeneous metal.Type: ApplicationFiled: March 15, 2012Publication date: April 11, 2013Inventors: Min-Yeol Han, Seok-Yoon Yoo, Hae-Kwon Yoon
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Publication number: 20130084471Abstract: A battery includes an electrode assembly including a first electrode and a second electrode, a first electrode terminal, and a first current collecting member electrically connecting the first electrode terminal and a first electrode uncoated region of the first electrode. The first current collecting member includes a first terminal connection region, a side plate extending downwardly from the first terminal connection region towards the first electrode uncoated region, a first current collecting piece extending from the side plate, the first current collecting piece being in contact with the first electrode uncoated region, and a fuse between the side plate and the first current collecting piece.Type: ApplicationFiled: January 5, 2012Publication date: April 4, 2013Inventors: Min-Yeol HAN, Sang-Won Byun, Hae-Kwon Yoon
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Patent number: 8313873Abstract: A polymer electrolyte membrane for a fuel cell, a method of preparing the same, and a fuel cell system comprising the same. The polymer electrolyte membrane includes a metal-bound inorganic ion-conductive salt and an ion-conductive cation exchange resin.Type: GrantFiled: July 14, 2009Date of Patent: November 20, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Min-Kyu Song, Hae-Kwon Yoon, Young-Mi Park
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Publication number: 20120141845Abstract: A rechargeable battery having an improved penetration characteristic of an external short-circuit current in an electrode assembly by reducing an external short-circuit current. A rechargeable battery including 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; a cap plate covering an opening of the case; an electrode terminal protruding outside the case and electrically connected to the second electrode; and a resistance member between and electrically connecting the electrode terminal and the cap plate.Type: ApplicationFiled: March 31, 2011Publication date: June 7, 2012Inventors: Sang-Won BYUN, Hae-Kwon Yoon, Min-Yeol Han
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Patent number: 7998638Abstract: The electrode for a fuel cell of the present invention includes a catalyst layer and an electrode substrate supporting the catalyst layer, where the electrode substrate includes a hydrophilic region and a hydrophobic region separated from each other. The hydrophilic region and the hydrophobic region that are separated from each other can easily release water produced at the cathode, and thereby prevent clogging of pores of the membrane by water, and smoothly diffuse the reactants resulting in obtaining a high current density.Type: GrantFiled: November 2, 2005Date of Patent: August 16, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Hee-Tak Kim, Jong-Ki Lee, Jan-Dee Kim, Hae-Kwon Yoon, Ho-Jin Kweon, Young-Mi Park