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21.发明授权公开(公告)号：US11674068B2
公开(公告)日：2023-06-13
申请号：US17195642
申请日：2021-03-09
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Young Suk Jo , Yong Min Kim , Chang Won Yoon , Hyangsoo Jeong , Hyuntae Sohn , Seong Cheol Jang , Suk Woo Nam , Jonghee Han , Seongeun Moon , Yeonsu Kwak
CPC classification number: C09K5/048 , B01J19/087 , C01B3/24 , H05B1/0247 , H05B7/02
Abstract: According to one embodiment of the present invention, there is provided a hydrogen extraction reactor, comprising a chamber including an inner space; a reaction unit which is provided to pass through the inside of the chamber and where an endothermic reaction for hydrogen extraction occurs; a heating unit which is provided to be spaced apart from the reaction unit inside the chamber and transfers heat to the inside of the chamber; and a heat transfer material which is provided between the reaction unit and the heating unit in the chamber, wherein the heat transfer material undergoes a phase transition between a gas phase and a liquid phase according to the entry and exit of heat from the heating unit or the reaction unit.
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公开(公告)号：US11465114B2
公开(公告)日：2022-10-11
申请号：US16719991
申请日：2019-12-19
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Young Suk Jo , Chang Won Yoon , Hyuntae Sohn , Hyangsoo Jeong , Seong Cheol Jang , Yeong Cheon Kim , Jonghee Han , Suk Woo Nam
IPC: B01J8/02 , B01J19/24 , B01J23/46 , B01J23/10 , B01J29/08 , B01J23/648 , B01J35/04 , B01J35/00 , C01B3/04 , H01M8/0606
Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.
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23.发明授权公开(公告)号：US10818950B2
公开(公告)日：2020-10-27
申请号：US15885814
申请日：2018-02-01
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY , GLOBAL FRONTIER CENTER FOR MULTISCALE ENERGY SYSTEMS
Inventor： Jin Young Kim , Kyung-jin Lee , Kyungah Lee , Nayoung Kim , So Young Lee , Sung Jong Yoo , Jong Hyun Jang , Hyoung-Juhn Kim , Jonghee Han , Suk Woo Nam , Tae Hoon Lim
IPC: H01M8/10 , B01D69/10 , B01D69/02 , B01D71/36 , B01D67/00 , B01J35/00 , H01M8/1081 , H01M8/1023 , H01M8/1039 , H01M8/1053 , H01M8/1067 , H01M8/106 , H01M8/1018
Abstract: A composite polymer electrolyte membrane for a fuel cell may be manufactured by the following method: partially or totally filling the inside of a pore of a porous support with a hydrogen ion conductive polymer electrolyte solution by performing a solution impregnation process; and drying the hydrogen ion conductive polymer electrolyte solution while completely filling the inside of the pore with the hydrogen ion conductive polymer electrolyte solution by performing a spin dry process on the porous support of which the inside of the pore is partially or totally filled with the hydrogen ion conductive polymer electrolyte solution.
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公开(公告)号：US10777834B2
公开(公告)日：2020-09-15
申请号：US15675233
申请日：2017-08-11
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Sung Pil Yoon , Jonghee Han , Hyung Chul Ham , Chang Won Yoon , Sun-Hee Choi , Hyun Seo Park , Yeong Cheon Kim , Chang-Whan Lee , Hyoung-Juhn Kim , Tae Hoon Lim , Suk Woo Nam , Seong Cheol Jang
Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.
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公开(公告)号：US10483554B2
公开(公告)日：2019-11-19
申请号：US14979877
申请日：2015-12-28
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jin Young Kim , Sung Jong Yoo , Dirk Henkensmeier , Jong Hyun Jang , Hyoung-Juhn Kim , Yeon Hun Jeong , Nayoung Kim , Chang Won Yoon , Jonghee Han , Suk Woo Nam , Tae Hoon Lim
Abstract: Disclosed is a carbon support for a fuel cell catalyst that supports a metal. The carbon support includes a conductive carbon support and nitrogen atoms doped into the conductive carbon support. Also disclosed is a method for preparing the carbon support. Also disclosed is a catalyst including the carbon support. The catalyst has greatly improved degradation resistance compared to conventional catalysts for fuel cells. In addition, the catalyst is not substantially degraded even when applied to a single cell.
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Patent Agency Ranking
公开(公告)号：US20180258544A1
公开(公告)日：2018-09-13
申请号：US15910270
申请日：2018-03-02
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Sung Jong Yoo , Injoon Jang , So Young Lee , Jin Young Kim , Jong Hyun Jang , Hyoung-Juhn Kim , Jonghee Han , Hyun Seo Park
CPC classification number: C25B11/0447 , B01J35/0033 , C25B1/04 , Y02E60/366
Abstract: Provided are a cathode catalyst for water electrolysis devices and a method for preparing the same. More specifically, provided are a cathode catalyst for water electrolysis devices that exhibits both high activity and high electrical conductivity, compared to conventional transition metal phosphide catalysts, and a method for preparing the same.
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公开(公告)号：US09926266B2
公开(公告)日：2018-03-27
申请号：US15292106
申请日：2016-10-12
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Hyoung-Juhn Kim , Eun Ki Kim , So Young Lee , Jong Hyun Jang , Jin Young Kim , Sung Jong Yoo , Dirk Henkensmeier , Dae Ki Choi , Jonghee Han , Suk Woo Nam
IPC: C07C303/44 , C07C303/32 , C07C309/24
CPC classification number: C07C303/44 , C07C303/32 , C07C309/24
Abstract: Disclosed are a method for preparing a pure isophthalaldehyde bisulfite adduct free from impurities through a specific purification process, and use thereof as a starting material for polymerizing polybenzimidazole under a mild condition. According to the present disclosure, it is possible to obtain a pure isophthalaldehyde bisulfite adduct free from impurities, such as unreacted materials or byproducts. In addition, it is possible to accomplish industrial mass production of a high-molecular weight polybenzimidazole by using the adduct as a starting material for polymerizing polybenzimidazole under a mild condition in an organic solvent.
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28.发明授权Ceria-based composition including bismuth oxide, ceria-based composite electrolyte powder including bismuth oxide, method for sintering the same and sintered body made thereof 有权包含氧化铋的二氧化铈基组合物，包括氧化铋的氧化铈复合电解质粉末，其烧结方法和由其制成的烧结体公开(公告)号：US09252448B2
公开(公告)日：2016-02-02
申请号：US13929954
申请日：2013-06-28
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Sung Pil Yoon , Jonghee Han , Shin Ae Song , Tae Hoon Lim , Hyoung-Juhn Kim , Jong Hyun Jang , Dirk Henkensmeier , Eun Ae Cho , Suk Woo Nam , Seong Ahn Hong , Thieu Cam-Anh
IPC: H01M8/12 , C04B35/50 , C04B35/626
CPC classification number: H01M8/126 , C04B35/50 , C04B35/62675 , C04B35/62685 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3244 , C04B2235/3298 , C04B2235/77 , C04B2235/85 , H01M8/1266 , H01M2300/0074 , H01M2300/0091 , Y02E60/521 , Y02E60/525 , Y02P70/56
Abstract: Provided are a ceria-based composition having an undoped or metal-doped ceria and an undoped or metal-doped bismuth oxide, wherein the undoped or metal-doped bismuth oxide is present in an amount equal to or more than about 10 wt % and less than about 50 wt % based on the total weight of the ceria-based composition, and at least one selected from the ceria and the bismuth oxide is metal-doped. The ceria-based composition may ensure high sintering density even at a temperature significantly lower than the known sintering temperature of about 1400° C., i.e., for example at a temperature of about 1000° C. or lower, and increase ion conductivity as well.
Abstract translation: 提供了一种具有未掺杂或金属掺杂的二氧化铈和未掺杂或金属掺杂的氧化铋的二氧化铈基组合物，其中未掺杂或金属掺杂的氧化铋以等于或大于约10重量％的量存在 相对于二氧化铈基组合物的总重量为约50重量％，并且选自二氧化铈和氧化铋中的至少一种是金属掺杂的。 即使在显着低于约1400℃的已知烧结温度的温度下，即例如在约1000℃或更低的温度下，二氧化铈基组合物也可确保高的烧结密度，并且还增加离子传导性 。
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公开(公告)号：US10669640B2
公开(公告)日：2020-06-02
申请号：US15241798
申请日：2016-08-19
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Hyun Jang , Soo-Kil Kim , Sang Hyun Ahn , Hyoung-Juhn Kim , Jin Young Kim , Sung Jong Yoo , Dirk Henkensmeier , Jonghee Han , Jaeyune Ryu
Abstract: Provided is an electrocatalyst for anion exchange membrane water electrolysis, including a carbonaceous material, and nickel electrodeposited on the carbonaceous material, wherein nickel is partially substituted with platinum and the substitution with platinum provides increased hydrogen evolution activity as compared to the same electrocatalyst before substitution with platinum. Also provided are a method for preparing the electrocatalyst and an anion exchange membrane water electrolyzer using the same. The nickel electrocatalyst coated with an ultralow loading amount of platinum for anion exchange membrane water electrolysis shows excellent hydrogen evolution activity and has a small thickness of catalyst, thereby providing high mass transfer and high catalyst availability. In addition, the electrocatalyst uses a particle-type electrode to facilitate emission of hydrogen bubbles generated during hydrogen evolution reaction and oxygen bubbles generated during oxygen evolution reaction, and requires low cost for preparation to provide high cost-efficiency.
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公开(公告)号：US10601052B2
公开(公告)日：2020-03-24
申请号：US15360034
申请日：2016-11-23
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Hyun Jang , Byungseok Lee , Hee-Young Park , Hyoung-Juhn Kim , Dirk Henkensmeier , Sung Jong Yoo , Jin Young Kim , So Young Lee , Jaeyune Ryu , Sung Pil Yoon , Jonghee Han , Suk Woo Nam
Abstract: Disclosed are a reversible fuel cell oxygen electrode in which IrO2 is electrodeposited and formed on a porous carbon material and platinum is applied thereon to form a porous platinum layer, a reversible fuel cell including the same, and a method for preparing the same. According to the corresponding reversible fuel cell oxygen electrode, as the loading amounts of IrO2 and platinum used in the reversible fuel cell oxygen electrode can be lowered, it is possible to exhibit excellent reversible fuel cell performances (excellent fuel cell performance and water electrolysis performance) by improving the mass transport of water and oxygen while being capable of reducing the loading amounts of IrO2 and platinum. Further, it is possible to exhibit a good activity of a catalyst when the present disclosure is applied to a reversible fuel cell oxygen electrode and to reduce corrosion of carbon.
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