Patents by Inventor Bae Jung Kim
Bae Jung Kim 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: 20240128480Abstract: An exemplary embodiment of the present disclosure provides a separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA). The separator includes a plate body stacked on the reaction layer, a wave pattern provided on one surface of the plate body that faces the reaction layer, the wave pattern being configured to define a reaction channel disposed between the reaction layer and the plate body and provided in a first direction in which a reactant gas is supplied, so that the reactant gas flows along the reaction channel, and a land provided along a lateral end of the wave pattern and disposed to be in contact with the reaction layer, thereby obtaining an advantageous effect of improving performance and operational efficiency.Type: ApplicationFiled: December 20, 2022Publication date: April 18, 2024Applicant: HYUNDAI MOBIS Co., Ltd.Inventors: Sun Hwi KIM, Hyun Kyu CHOI, Bae Jung KIM, Chan Gi KIM, Hyun Jeong KIM, Ah Reum KIM
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Publication number: 20240014430Abstract: Disclosed is a cartridge assembly. The cartridge assembly includes a body part having an upper body opened upwards and downwards, and a lower body opened upwards and downwards, and coupled to the upper body to define an interior space, in which cells are stacked upwards and downwards, together with the upper body, and a cartridge including a cover part having an upper cover that covers an upper opening formed on an upper side of the upper body, and a lower cover that covers a lower opening formed on a lower side of the lower body, a plurality of cartridges are provided, and are stacked in an upward/downward direction, and each of the cartridges includes a connection part fixedly coupled to another cartridge disposed on an upper side or a lower side thereof to be adjacent thereto.Type: ApplicationFiled: October 21, 2022Publication date: January 11, 2024Applicant: HYUNDAI MOBIS Co., Ltd.Inventors: Chan Gi KIM, Hyun Kyu CHOI, Bae Jung KIM, Hyun Jeong KIM, Sun Hwi KIM
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Publication number: 20230327142Abstract: A separator for a fuel cell, which is stacked on a gas diffusion layer provided on a membrane electrode assembly (MEA), includes a plate body stacked on the gas diffusion layer and including a flow path part to define a reaction region to react with the membrane electrode assembly and manifold parts spaced apart from the flow path part; through-holes disposed in the plate body to guide target fluids that have passed through the manifold parts to the flow path part; and hole caps disposed on one surface of the plate body that faces the gas diffusion layer to at least partially cover the through-holes, the hole caps defining movement paths through which the target fluids move.Type: ApplicationFiled: July 20, 2022Publication date: October 12, 2023Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Bae Jung KIM, Hyun Jeong KIM, Ah Reum KIM, Young Chul PARK, Hyun Kyu CHOI, Chan Gi KIM, Sun Hwi KIM
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Publication number: 20230223564Abstract: A bipolar plate for a fuel cell capable of improving the cooling efficiency of a fluid passing through the bipolar plate, and a fuel cell including the same, includes a first plate, a second plate coupled to the first plate to form a channel in which a fluid flows, and a plurality of protrusions disposed apart from each other in the channel in a flow direction of the fluid.Type: ApplicationFiled: December 20, 2022Publication date: July 13, 2023Applicant: HYUNDAI MOBIS Co., Ltd.Inventors: Sun Hwi KIM, Hyun Jeong KIM, Ah Reum KIM, Bae Jung KIM, Hyun Kyu CHOI, Chan Gi KIM
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Publication number: 20220384831Abstract: Disclosed are fuel cells including a membrane electrode assembly (MEA), a separator stacked on a surface of the membrane electrode assembly, a beading portion protruding from a first surface of the separator that faces the membrane electrode assembly, and a sealing member disposed between the membrane electrode assembly and the beading portion and being configured to seal a portion between the membrane electrode assembly and the separator, thereby ensuring rigidity and improving safety and reliability of the fuel cell.Type: ApplicationFiled: October 7, 2021Publication date: December 1, 2022Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Hyun Kyu CHOI, Zuh Youn VAHC, Sun Hwi KIM, Chan Gi KIM
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Publication number: 20220344693Abstract: A fuel cell includes: a membrane electrode assembly (MEA); a first separator stacked on a first surface of the membrane electrode assembly; a second separator stacked on a second surface of the membrane electrode assembly; a first sealing member disposed on the first separator and configured to seal a space between the first separator and the membrane electrode assembly; a second sealing member disposed on the second separator and configured to seal a space between the second separator and the membrane electrode assembly; and a fastening part configured to fasten the first sealing member to the second sealing member.Type: ApplicationFiled: July 12, 2021Publication date: October 27, 2022Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Zuh Youn VAHC, Hyun Kyu CHOI, Sun Hwi KIM, Chan Gi KIM
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Publication number: 20220336826Abstract: A separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA) and a gas diffusion layer (GDL) stacked on the MEA includes: a plate body stacked on the GDL; stepped portions, on which a reactant gas flows in a first direction, disposed on a first surface of the plate body, the first surface facing the GDL, the stepped portions disposed in a second direction that intersects the first direction in which the reactant gas flows; lands disposed on the stepped portions so as to be spaced apart from one another in the second direction, the lands being in contact with the GDL; first channels defined between the GDL and the stepped portions so as to be disposed between adjacent lands, the first channels configured such that the reactant gas flows along the first channels; and second channels defined between the plate body and the GDL so as to communicate with the first channels, the second channels configured such that the reactant gas flows along the second channels.Type: ApplicationFiled: August 10, 2021Publication date: October 20, 2022Inventors: Ah Reum KIM, Hyun Kyu CHOI, Hyun Jeong KIM, Zuh Youn VAHC, Bae Jung KIM, Sun Hwi KIM, Chan Gi KIM
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Patent number: 10374227Abstract: The present invention provides a positive electrode active material prepared using a preparation method including mixing lithium complex metal oxide particles with a nanosol of a ceramic-based ion conductor and heat treating the resultant to form a coating layer including the ceramic-based ion conductor on the lithium complex metal oxide particles, thereby forming a coating layer including a ceramic-based ion conductor to a uniform thickness on a lithium complex metal oxide particle surface, and as a result, capable of minimizing capacity decline and enhancing a lifespan property when used in a secondary battery, a method for preparing the same, and a lithium secondary battery including the same.Type: GrantFiled: December 4, 2015Date of Patent: August 6, 2019Assignee: LG Chem, Ltd.Inventors: Dong Kwon Lee, Seung Beom Cho, Jun Seok Nho, Byung Hyun Min, Bae Jung Kim
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Patent number: 10340517Abstract: The present invention provides a positive electrode active material prepared using a preparation method including mixing a precursor of a metal for a positive electrode active material with a nanosol of a ceramic-based ion conductor to adsorb the nanosol of the ceramic-based ion conductor on the precursor surface, and mixing the nanosol of the ceramic-based ion conductor-adsorbed precursor with a lithium raw material, and heat treating the resultant to prepare a positive electrode active material, and thereby having greatly increased structural stability by the lithium complex metal oxide present on the surface as a metal element forming the ceramic-based ion conductor being uniformly doped, and as a result, capable of significantly enhancing capacity, a rate property and a cycle property of a battery, a method for preparing the same, and a lithium secondary battery including the same.Type: GrantFiled: December 4, 2015Date of Patent: July 2, 2019Assignee: LG Chem, Ltd.Inventors: Dong Kwon Lee, Seung Beom Cho, Jun Seok Nho, Byung Hyun Min, Bae Jung Kim
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Publication number: 20170324084Abstract: The present invention provides a positive electrode active material prepared using a preparation method including mixing lithium complex metal oxide particles with a nanosol of a ceramic-based ion conductor and heat treating the resultant to form a coating layer including the ceramic-based ion conductor on the lithium complex metal oxide particles, thereby forming a coating layer including a ceramic-based ion conductor to a uniform thickness on a lithium complex metal oxide particle surface, and as a result, capable of minimizing capacity decline and enhancing a lifespan property when used in a secondary battery, a method for preparing the same, and a lithium secondary battery including the same.Type: ApplicationFiled: December 4, 2015Publication date: November 9, 2017Applicant: LG Chem, Ltd.Inventors: Dong Kwon LEE, Seung Beom CHO, Jun Seok NHO, Byung Hyun MIN, Bae Jung KIM
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Publication number: 20170271656Abstract: The present invention provides a positive electrode active material prepared using a preparation method including mixing a precursor of a metal for a positive electrode active material with a nanosol of a ceramic-based ion conductor to adsorb the nanosol of the ceramic-based ion conductor on the precursor surface, and mixing the nanosol of the ceramic-based ion conductor-adsorbed precursor with a lithium raw material, and heat treating the resultant to prepare a positive electrode active material, and thereby having greatly increased structural stability by the lithium complex metal oxide present on the surface as a metal element forming the ceramic-based ion conductor being uniformly doped, and as a result, capable of significantly enhancing capacity, a rate property and a cycle property of a battery, a method for preparing the same, and a lithium secondary battery including the same.Type: ApplicationFiled: December 4, 2015Publication date: September 21, 2017Applicant: LG Chem, Ltd.Inventors: Dong Kwon Lee, Seung Beom Cho, Jun Seok Nho, Byung Hyun Min, Bae Jung Kim