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: 20240014412Abstract: Disclosed are a separator module for fuel cells which may reduce pressure loss and improve flow distribution in a separator, and a unit cell for fuel cells including the separator module. The separator module includes a separator main body including a pair of manifold parts formed at both ends of the separator main body and having a plurality of manifolds, a main body reaction part formed between the pair of manifold parts such that reaction gas flows in the main body reaction part, and a pair of main body diffusion parts formed between the main body reaction part and the pair of manifold parts such that the reaction gas is diffused in the main body diffusion parts, and a porous body disposed on one surface of the separator main body in a region corresponding to the main body reaction part and the pair of main body diffusion parts.Type: ApplicationFiled: November 9, 2022Publication date: January 11, 2024Inventors: Kyeong Cheol PARK, Sang Mun JIN, Jin Hyeok YOO
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Patent number: 11374233Abstract: 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: GrantFiled: July 25, 2016Date of Patent: June 28, 2022Assignee: Hyundai Motor CompanyInventors: Kook Il Han, Yoo Chang Yang, Sang Mun Jin
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Patent number: 11031609Abstract: 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: GrantFiled: July 22, 2019Date of Patent: June 8, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10763520Abstract: A separator for a fuel cell allows air to bypass a diffusion part, which is frequently exposed to air, and thus flow directly to a reaction surface, which can reduce deterioration of a polymer electrolyte membrane. The separator includes a separator main body having a diffusion part formed thereon that is configured to allow air to be diffused and supplied from an air inlet manifold to the reaction surface; and a gasket line formed on the separator main body and surrounding the air inlet manifold and the reaction surface to maintain airtightness. The separator main body or the gasket line includes a bypass flow path formed thereon so as to allow air supplied from the air inlet manifold to flow directly to the reaction surface without passing through the diffusion part.Type: GrantFiled: October 18, 2018Date of Patent: September 1, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Kyung Min Kim
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Patent number: 10665883Abstract: A separator for a fuel cell and a unit cell of a fuel cell are disclosed. The separator for the fuel cell includes a separation plate having a coupling protrusion that protrudes from an edge thereof, and a porous body having a coupling hole into which the coupling protrusion is fixedly inserted, so that the porous body is coupled to a plane of the separation plate. The porous body defining a path in which reactive gases flow.Type: GrantFiled: July 21, 2017Date of Patent: May 26, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Kyung Min Kim
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Patent number: 10559834Abstract: A separator for a fuel cell includes a plurality of channels formed in a reaction surface in the direction of gravity in order to permit reaction gas and generated water to flow therethrough. The fuel cell includes a membrane electrode assembly (MEA) and a gas diffusion layer (GDL). The channels have a wave shape in the reaction surface, and each of the channels includes curved portions and straight portions that are arranged alternately.Type: GrantFiled: July 12, 2017Date of Patent: February 11, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Kyung Min Kim, Sang Mun Jin
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Publication number: 20190348689Abstract: A separator for a fuel cell allows air to bypass a diffusion part, which is frequently exposed to air, and thus flow directly to a reaction surface, which can reduce deterioration of a polymer electrolyte membrane. The separator includes a separator main body having a diffusion part formed thereon that is configured to allow air to be diffused and supplied from an air inlet manifold to the reaction surface; and a gasket line formed on the separator main body and surrounding the air inlet manifold and the reaction surface to maintain airtightness. The separator main body or the gasket line includes a bypass flow path formed thereon so as to allow air supplied from the air inlet manifold to flow directly to the reaction surface without passing through the diffusion part.Type: ApplicationFiled: October 18, 2018Publication date: November 14, 2019Inventors: Sang Mun Jin, Kyung Min Kim
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Publication number: 20190348690Abstract: 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: July 22, 2019Publication date: November 14, 2019Inventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10403910Abstract: 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: GrantFiled: November 17, 2015Date of Patent: September 3, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10381675Abstract: 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: GrantFiled: July 11, 2016Date of Patent: August 13, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10355288Abstract: 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: GrantFiled: May 5, 2016Date of Patent: July 16, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: Kyung Min Kim, Yoo Chang Yang, Sang Mun Jin
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Patent number: 10320008Abstract: 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: GrantFiled: March 30, 2016Date of Patent: June 11, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Kook Il Han
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Patent number: 10305120Abstract: 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: GrantFiled: July 6, 2016Date of Patent: May 28, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10141584Abstract: A separator for a fuel cell includes a plurality of channels; and an inlet hole and an outlet hole formed in a first side and a second side of the plurality of channels, respectively, such that a reaction gas flows into and out from the separator to be exposed to a reaction surface including a membrane electrode assembly. The inlet hole is larger in size than the outlet hole.Type: GrantFiled: December 1, 2016Date of Patent: November 27, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Sang Mun Jin, Yoo Chang Yang
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Patent number: 10069156Abstract: A fuel cell that includes a membrane-electrode assembly and separation plates disposed on both sides of the membrane-electrode assembly is provided. The fuel cell includes barrier ribs formed in reaction surfaces of the separation plates corresponding to the membrane-electrode assembly and configured to partition the reaction surfaces into a plurality of reaction regions. A micropore body is installed between the separation plate and the membrane-electrode assembly. The micropore body includes porous units disposed in the reaction region, and a connection unit integrally coupled to the porous units and flatly contacts the barrier ribs.Type: GrantFiled: October 24, 2015Date of Patent: September 4, 2018Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20180175404Abstract: A separator for a fuel cell includes a plurality of channels formed in a reaction surface in the direction of gravity in order to permit reaction gas and generated water to flow therethrough. The fuel cell includes a membrane electrode assembly (MEA) and a gas diffusion layer (GDL). The channels have a wave shape in the reaction surface, and each of the channels includes curved portions and straight portions that are arranged alternately.Type: ApplicationFiled: July 12, 2017Publication date: June 21, 2018Inventors: Kyung Min KIM, Sang Mun JIN
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Publication number: 20180145365Abstract: A separator for a fuel cell and a unit cell of a fuel cell are disclosed. The separator for the fuel cell includes a separation plate having a coupling protrusion that protrudes from an edge thereof, and a porous body having a coupling hole into which the coupling protrusion is fixedly inserted, so that the porous body is coupled to a plane of the separation plate. The porous body defining a path in which reactive gases flow.Type: ApplicationFiled: July 21, 2017Publication date: May 24, 2018Inventors: Sang Mun Jin, Kyung Min Kim
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Patent number: 9960434Abstract: 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: GrantFiled: May 3, 2016Date of Patent: May 1, 2018Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sang Mun Jin, Yoo Chang Yang
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Publication number: 20170358804Abstract: A separator for a fuel cell includes a plurality of channels; and an inlet hole and an outlet hole formed in a first side and a second side of the plurality of channels, respectively, such that a reaction gas flows into and out from the separator to be exposed to a reaction surface including a membrane electrode assembly. The inlet hole is larger in size than the outlet hole.Type: ApplicationFiled: December 1, 2016Publication date: December 14, 2017Inventors: Sang Mun JIN, Yoo Chang YANG
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Patent number: 9806352Abstract: 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: GrantFiled: November 20, 2014Date of Patent: October 31, 2017Assignee: Hyundai Motor CompanyInventors: Sang Mun Jin, Yoo Chang Yang