Patents by Inventor Sang Mun Jin
Sang Mun Jin 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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Publication number: 20170194659Abstract: A porous panel for a separator of a fuel cell includes a plate-shaped material and uneven lines repeatedly arranged on the porous panel in a direction crossing a gas flow direction. The porous panel is bent at the uneven lines such that upward and downward uneven portions are repeated, and through holes permitting passage of gas formed on opposite sides of each of the uneven lines have an uneven shape.Type: ApplicationFiled: July 6, 2016Publication date: July 6, 2017Inventors: Sang Mun JIN, Yoo Chang YANG
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Publication number: 20170194658Abstract: A fuel cell includes a separator plate including manifold holes formed in opposite sides thereof, a plurality of flow-path lands protruding between the manifold holes, a plurality of flow-path channels between the flow-path lands, and a plurality of communication holes formed between ends of the flow-path channels and the manifold holes, and a gasket coupled to the separator plate, and a plurality of separating portions protruding from the blocking portion into gaps between the neighboring communication holes so as to separate the communication holes from one another, wherein ends of the flow-path lands that do not face the separating portions extend toward the communication holes farther than do ends of the flow-path lands that face the separating portions.Type: ApplicationFiled: May 3, 2016Publication date: July 6, 2017Inventors: Sang Mun JIN, Yoo Chang YANG
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Publication number: 20170170491Abstract: A fuel cell includes a reaction layer including: a membrane electrode assembly (MEA); and gas diffusion layers (GDLs) each of which is disposed at both side surfaces of the MEA. A porous separation layer has one surface adhered to one surface of the reaction layer and supplied with reaction gas, and a cathode bipolar plate has a panel shape and adhered to another surface of the porous separation layer. A front end part of the cathode bipolar plate having a manifold that is supplied with the reaction gas and having a plurality of diffusion channels through which the reaction gas directs from the manifold toward the porous separation layer. The cathode bipolar plate has a partition wall channel which separates the porous separation layer, which extends in a direction in which the reaction gas flows, and which extends from the manifold in a diagonal direction.Type: ApplicationFiled: May 5, 2016Publication date: June 15, 2017Inventors: Kyung Min KIM, Yoo Chang YANG, Sang Mun JIN
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Patent number: 9680165Abstract: A separator for a fuel cell is provided. The separator is disposed at both sides of a membrane-electrode assembly and is configured to supply a reaction gas to the membrane-electrode assembly. In addition, the separator includes a conductive microporous body that is formed on a reaction surface corresponding to the membrane-electrode assembly and a channel unit that is connected to an inlet manifold and an outlet manifold through which the reaction gas flows and is configured to guide the reaction gas to the reaction surface.Type: GrantFiled: April 15, 2015Date of Patent: June 13, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20170162880Abstract: An apparatus for manufacturing a gas diffusion layer for fuel cells includes: a conveyer transferring a base sheet for a macroporous layer of the gas diffusion layer in one direction before water repellent coating; a nozzle disposed around the conveyer to coat the transferring base sheet with a water repellent in a fiber type or desired pattern; and a nozzle transfer unit combined with an upper end of the nozzle to transfer the nozzle along a desired trajectory.Type: ApplicationFiled: July 25, 2016Publication date: June 8, 2017Inventors: Kook Il HAN, Yoo Chang YANG, Sang Mun JIN
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Publication number: 20170084932Abstract: A fuel cell stack includes a first separator and a second separator that are adhered to face each other between adjacent membrane electrode assemblies (MEAs) and each have a plurality of manifolds, a reacting region, and a guide region disposed between the plurality of manifolds and the reacting region. In the fuel cell stack, a first cooling medium guide channel guiding flow of a cooling medium between the plurality of manifolds and the reacting region is formed in the guide region of the first separator; a second cooling medium guide channel guiding flow of the cooling medium between the plurality of manifolds and the reacting region is formed in the guide region of the second separator; and at least portions of the first cooling medium guide channel and the second cooling medium guide channel overlap to communicate with each other.Type: ApplicationFiled: July 11, 2016Publication date: March 23, 2017Inventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 9590256Abstract: Disclosed is a gasket structure for a fuel cell separator with an improved air tight seal/sealability. The gasket structure includes first and second main lines and a plurality of sub lines. The first and second main lines are disposed in a horizontal direction in the separator on different lines of a reaction surface and a cooling surface of the separator, respectively. The plurality of sub lines are disposed in a vertical direction of the separator on both surfaces at a uniform interval. Here, the first and second main lines and the plurality of sub lines integrally form a gate for reactance gases and cooling water, and a plurality of vacant spaces are formed to have a uniform size on the first and second main lines.Type: GrantFiled: June 25, 2012Date of Patent: March 7, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20160344044Abstract: A porous separator for a fuel cell is provided and features the shape of a passage aperture formed in a flow field plate. The modified shape of the passage aperture minimizes destruction of a gas diffusion layer or a membrane electrode assembly attributable to stress concentration. The porous separator has a flow field plate that includes a first contact portion that is in contact with a gas diffusion layer or a membrane electrode assembly; a second contact portion that is in contact with a coolant channel; and a connection portion that is connected between the first contact portion and the second contact portion. Additionally, a passage aperture is formed in the connection portion, wherein a portion of an inside surface of the passage aperture protrudes toward a center of the passage aperture.Type: ApplicationFiled: March 30, 2016Publication date: November 24, 2016Inventors: Sang Mun Jin, Kook Il Han
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Patent number: 9472815Abstract: A separator for a fuel cell and a method for manufacturing the same comprise two sheets of metal plates integrally formed to minimize contact resistance between an upper metal plate and a lower metal plate. The method for manufacturing the separator includes steps of preparing an upper metal plate and a lower metal plate, each plate having opposing main sides, and applying a coating liquid containing a polymer composite material on both sides of the upper and lower metal plates, to form first and second composite material layers on both sides of the upper plates and third and fourth composite material layers on both sides of the lower plates. The method further includes stacking the upper metal plate on the lower metal plate, before drying the respective composite material layers, and integrally bonding the second composite material layer and the third composite material layer to form a single intermediate composite material layer.Type: GrantFiled: September 27, 2013Date of Patent: October 18, 2016Assignees: HYUNDAI MOTOR COMPANY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Chi Seung Lee, Seong Il Heo, Suk Min Baeck, Jun Ho Jang, Sang Mun Jin, Yoo Chang Yang, Kyung Min Kim, Yang Bok Lee, Dae Soon Lim
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Patent number: 9437885Abstract: A fuel cell stack is provided that includes unit cells that include a manifold, an open end plate that is disposed at one side of the unit cells and that has a reaction gas inlet and outlet that are connected to the manifold, and a closed end plate that is disposed at the other side of the unit cells and that closes the manifold. In particular, the open end plate includes a first slanted surface that adjusts a flow of a reaction gas at a reaction gas inlet and a manifold interface. A first alignment protrusion forms the first slanted surface and that aligns the unit cells, and the closed end plate includes a second slanted surface that adjusts flow of a reaction gas at the manifold interface. Additionally, a second alignment protrusion forms the second slanted surface and aligns the unit cells accordingly.Type: GrantFiled: December 10, 2013Date of Patent: September 6, 2016Assignee: Hyundai Motor CompanyInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 9401516Abstract: A fuel cell that includes a membrane electrode assembly having an electrolyte, an anode catalyst, and a cathode catalyst; and a plurality of frame-gaskets is provided. Each of the frame-gaskets may be disposed between an anode-side separator and the membrane electrode assembly or between a cathode-side separator and the membrane electrode assembly. Additionally, the membrane electrode assembly is provided with an aperture which is used to combine the membrane electrode assembly with the frame-gasket assembly.Type: GrantFiled: May 28, 2014Date of Patent: July 26, 2016Assignee: Hyundai Motor CompanyInventors: Suk Min Baeck, Sang Mun Jin, Kyung Min Kim
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Patent number: 9385393Abstract: A device for measuring stack voltage includes a stack part and a connector. The stack part includes terminals of a bipolar plate extending outward from a side of the bipolar plate, a gasket combined with the bipolar plate, a sub-gasket combined with the gasket and having extensions laterally protruding corresponding to the terminals. The connector has insertion grooves in which the terminals are disposed at a front of the connector. A plurality of wires pass forward from behind through the connector. The connector has sensing units that are disposed in the insertion grooves, connected to front ends of the wires, and are in contact with the terminals of the bipolar plate when the connector is combined with the stack part.Type: GrantFiled: August 26, 2014Date of Patent: July 5, 2016Assignee: HYUNDAI MOTOR COMPANYInventor: Sang Mun Jin
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Publication number: 20160181628Abstract: Disclosed herein is a fuel cell stack with improved manufacturing performance. The fuel cell stack includes: a separator that comprises a diffusion part, as being provided with a diffusion channel, configured to distribute reaction gas and cooling water and a reaction part, as being continuously formed from the diffusion part and provided with a reaction channel that has a height greater than that of the diffusion channel, configured to move reaction gas distributed from the diffusion part and generate electrons by a chemical reaction; and a gas diffusion layer configured to contact the separator at the diffusion part and the reaction part.Type: ApplicationFiled: November 17, 2015Publication date: June 23, 2016Inventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20160181625Abstract: A porous channel structure for a fuel cell includes a channel plate including a plurality of land parts contacting a gas diffusion layer (GDL) to form a waveform cross-section along a flow direction of gas and a plurality of channel parts contacting a flat plate to maintain water tightness, and having a channel hole through which reaction gas passes. The channel hole is punched to include a portion of at least one of a land part of the plurality of land parts and a channel part of the plurality of channel parts.Type: ApplicationFiled: April 29, 2015Publication date: June 23, 2016Inventors: Yoo Chang Yang, Sang Mun Jin
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Patent number: 9252437Abstract: An apparatus preventing over-cooling of a fuel cell is provided that includes a cooling fluid manifold which is mounted to a stack of the fuel cell and through which cooling fluid flows therethrough. End plates are arranged on both ends of the stack of a fuel cell, and at least one protrusion is provided on one surface of each of the end plates. The at least one protrusion is disposed inside a cooling fluid manifold to reduce the flow amount of the cooling fluid which flows in and out between the separating plates through the cooling fluid manifold.Type: GrantFiled: August 20, 2013Date of Patent: February 2, 2016Assignee: Hyundia Motor CompanyInventors: Yoo Chang Yang, Sang Mun Jin, Sung Ho Lee
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Publication number: 20150364775Abstract: A fuel cell separator and a fuel cell including the fuel cell separator are provided. The fuel cell separator includes a plurality of channels and inlets and outlets formed through first sides and second sides of the channels such that the reactant introduced into the channels flows perpendicularly to the channels. In particular, the inlets are positioned higher than the outlets.Type: ApplicationFiled: November 20, 2014Publication date: December 17, 2015Inventor: Sang Mun Jin
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Publication number: 20150364774Abstract: A fuel cell is provided which includes a catalyst layer to which hydrogen gas or air are introduced through both surfaces thereof a first separator disposed at a first side of the catalyst layer and including a plurality of first channels such that a first reactant among hydrogen gas or air flows; and a second separator disposed at the second side of the catalyst layer and including a plurality of second channels disposed in a direction perpendicular to the first channels. Particularly, each of the second channels includes a plurality of ventilation apertures such that a second reactant among the hydrogen and the air flows in a direction perpendicular to the second channels.Type: ApplicationFiled: November 20, 2014Publication date: December 17, 2015Inventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20150303492Abstract: A separator for a fuel cell is provided. The separator is disposed at both sides of a membrane-electrode assembly and is configured to supply a reaction gas to the membrane-electrode assembly. In addition, the separator includes a conductive microporous body that is formed on a reaction surface corresponding to the membrane-electrode assembly and a channel unit that is connected to an inlet manifold and an outlet manifold through which the reaction gas flows and is configured to guide the reaction gas to the reaction surface.Type: ApplicationFiled: April 15, 2015Publication date: October 22, 2015Inventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20150180077Abstract: A device for measuring stack voltage includes a stack part and a connector. The stack part includes terminals of a bipolar plate extending outward from a side of the bipolar plate, a gasket combined with the bipolar plate, a sub-gasket combined with the gasket and having extensions laterally protruding corresponding to the terminals. The connector has insertion grooves in which the terminals are disposed at a front of the connector. A plurality of wires pass forward from behind through the connector. The connector has sensing units that are disposed in the insertion grooves, connected to front ends of the wires, and are in contact with the terminals of the bipolar plate when the connector is combined with the stack part.Type: ApplicationFiled: August 26, 2014Publication date: June 25, 2015Inventor: Sang Mun JIN
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Publication number: 20150180054Abstract: A fuel cell that includes a membrane electrode assembly having an electrolyte, an anode catalyst, and a cathode catalyst; and a plurality of frame-gaskets is provided. Each of the frame-gaskets may be disposed between an anode-side separator and the membrane electrode assembly or between a cathode-side separator and the membrane electrode assembly. Additionally, the membrane electrode assembly is provided with an aperture which is used to combine the membrane electrode assembly with the frame-gasket assembly.Type: ApplicationFiled: May 28, 2014Publication date: June 25, 2015Applicant: HYUNDAI MOTOR COMPANYInventors: Suk Min Baeck, Sang Mun Jin, Kyung Min Kim