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公开(公告)号：US10688474B2
公开(公告)日：2020-06-23
申请号：US15719692
申请日：2017-09-29
Inventor： Chang Won Yoon , Hyung Chul Ham , Suk Woo Nam , Tewodros Asefa , Katherine Koh , Jonghee Han , Sung Pil Yoon , Hyun Seo Park , Mina Jeon
IPC: C01B31/08 , B01J23/44 , C01B3/22 , C07C51/41 , B01J21/18 , B01J35/00 , B01J35/08 , B01J35/10 , B01J37/02 , B01J37/08 , C01B3/00 , C07C51/377 , C08K3/36 , B01J37/00
Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formate and a hydrogenation reaction of bicarbonate, the method including: adding a silica colloid to a polymerization step of polymerizing aniline and reacting the resulting mixture to form a poly(silica-aniline) composite; carbonizing the corresponding poly(silica-aniline) composite under an atmosphere of an inert gas; removing silica particles from the corresponding poly(silica-aniline) composite to form a polyaniline-based porous carbon support; and fixing palladium particles on the corresponding polyaniline-based porous carbon support to prepare the catalyst.
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公开(公告)号：US10458943B2
公开(公告)日：2019-10-29
申请号：US15861998
申请日：2018-01-04
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： So Young Lee , Hyoung-Juhn Kim , Young Seung Na , Jin Young Kim , Sung Jong Yoo , Jong Hyun Jang , Jonghee Han , Suk Woo Nam
IPC: G01N27/62 , G01K13/00 , G01R27/26 , H01M8/0247 , H01M8/0258 , H01M8/1067
Abstract: An ionic conductivity measurement device of an electrolytic membrane includes a humidification chamber configured to accommodate an ion-conductive electrolytic membrane and having concave grooves respectively formed at both sides thereof which face the electrolytic membrane to form a measurement space for measuring ionic conductivity of the electrolytic membrane; a plurality of channels formed at a bottom surface of each of the concave grooves; a gas distribution unit detachably coupled to each of the concave grooves with the electrolytic membrane being interposed therebetween; and a plurality of electrodes provided in contact with one side of the electrolytic membrane and supported by the gas distribution unit, the plurality of electrodes being disposed side by side to measure an impedance of the electrolytic membrane.
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公开(公告)号：US10276875B2
公开(公告)日：2019-04-30
申请号：US15374732
申请日：2016-12-09
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Hyung Chul Ham , Min-Jae Lee , Chang-Whan Lee , Seong Cheol Jang , Sun-Hee Choi , Hyun Seo Park , Chang Won Yoon , Sung Pil Yoon , Jonghee Han , Suk Woo Nam , Tae Hoon Lim , Jin Young Kim
Abstract: An anode for a molten carbonate fuel cell (MCFC) having improved creep property by adding CeO2 and/or Cr for imparting creep resistance to nickel-aluminum alloy and nickel as materials for an anode is provided. Improved sintering property, creep property and increased mechanical strength of a molten carbonate fuel cell may be obtained accordingly.
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公开(公告)号：US09954240B2
公开(公告)日：2018-04-24
申请号：US15132011
申请日：2016-04-18
Inventor： Dirk Henkensmeier , Jong Hyun Jang , Hyoung-Juhn Kim , Jin Young Kim , Sung Pil Yoon , Jonghee Han , Suk Woo Nam , Ngoc My Hanh Duong , Artur Michalak , Karol Dyduch , Mateusz Brela
IPC: H01M8/103 , H01M8/1004 , H01M8/12 , H01M8/1027 , C08G65/40 , C08G65/48 , C08G65/00 , H01M8/1018
CPC classification number: C08G65/40 , C08G65/007 , C08G65/4037 , C08G65/48 , H01M8/1004 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/12 , H01M2008/1095 , Y02P70/56
Abstract: Disclosed are a 5-(2,6-dioxyphenyl)tetrazole-containing polymer, a method for preparing the same, a membrane containing the same and an electrochemical device, particularly a high temperature polymer electrolyte membrane fuel cell, including the membrane. The membrane containing the 5-(2,6-dioxyphenyl)tetrazole-containing polymer is capable of providing high proton conductivity and exhibiting good mechanical properties, thereby capable of providing superior fuel cell performance. Accordingly, the membrane may be usefully used in an electrochemical device, particularly a fuel cell, more particularly a high temperature polymer electrolyte membrane fuel cell.
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25.发明申请公开(公告)号：US20180085738A1
公开(公告)日：2018-03-29
申请号：US15719692
申请日：2017-09-29
Inventor： Chang Won Yoon , Hyung Chul Ham , Suk Woo Nam , Tewodros Asefa , Katherine Koh , Jonghee Han , Sung Pil Yoon , Hyun Seo Park , Mina Jeon
IPC: B01J23/44 , C01B3/00 , B01J21/18 , B01J35/00 , B01J35/08 , B01J35/10 , B01J37/00 , B01J37/08 , B01J37/02 , C08K3/36 , C07C51/377
CPC classification number: B01J23/44 , B01J21/18 , B01J35/0006 , B01J35/08 , B01J35/1023 , B01J35/1028 , B01J37/0018 , B01J37/0221 , B01J37/084 , C01B3/0015 , C01B3/22 , C01B2203/1041 , C01B2203/1211 , C07C51/377 , C07C51/41 , C08K3/36 , Y02E60/328 , C07C53/06
Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formate and a hydrogenation reaction of bicarbonate, the method including: adding a silica colloid to a polymerization step of polymerizing aniline and reacting the resulting mixture to form a poly(silica-aniline) composite; carbonizing the corresponding poly(silica-aniline) composite under an atmosphere of an inert gas; removing silica particles from the corresponding poly(silica-aniline) composite to form a polyaniline-based porous carbon support; and fixing palladium particles on the corresponding polyaniline-based porous carbon support to prepare the catalyst.
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Patent Agency Ranking
公开(公告)号：US09799904B2
公开(公告)日：2017-10-24
申请号：US14016687
申请日：2013-09-03
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Hyun Jang , Hee-young Park , Hyoung-Juhn Kim , Dirk Henkensmeier , Sung Pil Yoon , Suk Woo Nam , Hyung Chul Ham , Tae-Hoon Lim , Jonghee Han , Sung Jong Yoo , Eun Ae Cho
IPC: H01M8/10 , H01M8/1004 , H01M4/92
CPC classification number: H01M8/1004 , H01M4/921 , H01M4/923 , H01M4/926 , Y02P70/56
Abstract: A polymer electrolyte membrane fuel cell is provided. The polymer electrolyte membrane fuel cell includes a phosphoric acid-doped polyimidazole electrolyte membrane and a complex catalyst. In the complex catalyst, an alloy or mixture of a metal and a chalcogen element is supported on a carbon carrier. The polymer electrolyte membrane fuel cell exhibits further improved long-term operation, power generation efficiency, and operational stability at high temperature. The complex catalyst can be produced by a simple method.
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公开(公告)号：US09431664B2
公开(公告)日：2016-08-30
申请号：US14043263
申请日：2013-10-01
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Hyung Chul Ham , Shin Ae Song , Seong Cheol Jang , Yong Min Kim , Jonghee Han , Hyoung-Juhn Kim , Tae Hoon Lim , Suk Woo Nam , Sung Pil Yoon , Chang Won Yoon , Yeong Cheon Kim
CPC classification number: H01M4/905 , B22F5/006 , B22F9/20 , B22F2999/00 , C22C1/0433 , H01M4/8621 , H01M4/8803 , B22F2201/20
Abstract: Provided is a method for preparing nickel-aluminum alloy powder at low temperature, which is simple and economical and is capable of solving the reactor corrosion problem. The method for preparing nickel-aluminum alloy powder at low temperature includes: preparing a powder mixture by mixing nickel powder and aluminum powder in a reactor and adding aluminum chloride into the reactor (S1); vacuumizing the inside of the reactor and sealing the reactor (S2); and preparing nickel-aluminum alloy powder by heat-treating the powder mixture in the sealed reactor at low temperature (S3).
Abstract translation: 提供一种在低温下制备镍 - 铝合金粉末的方法，其简单经济且能够解决反应器腐蚀问题。 在低温下制备镍 - 铝合金粉末的方法包括：通过将镍粉和铝粉混合在反应器中并向反应器中加入氯化铝来制备粉末混合物（S1）; 抽真空反应器内部并密封反应器（S2）; 并通过在密封反应器中在低温下热处理粉末混合物来制备镍 - 铝合金粉末（S3）。
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28.发明授权公开(公告)号：US09413014B2
公开(公告)日：2016-08-09
申请号：US14171906
申请日：2014-02-04
Inventor： Sung Jong Yoo , Hee-young Park , Jong Hyun Jang , Hyoung-Juhn Kim , Tae-Hoon Lim , Sang Young Lee , Sang Hyun Ahn , Namgee Jung , Suk Woo Nam , Eun Ae Cho , Seok Keun Koh
CPC classification number: H01M4/9083 , H01M4/9041 , H01M4/921 , H01M4/926 , Y02E60/50
Abstract: The present disclosure relates to a method and an apparatus for preparing nanosized metal or alloy nanoparticles by depositing metal or alloy nanoparticles with superior size uniformity on the surface of a powder as a base material by vacuum deposition and then dissolving or melting the base material using a solvent or heat. The method solves the problems of the existing expensive multi-step synthesis method based on chemical reduction and allows effective synthesis of metal or alloy nanoparticles with very uniform size and metal or alloy catalyst nanoparticles supported on carbon at low cost.
Abstract translation: 本公开内容涉及一种通过在真空沉积作为基材的粉末表面上沉积具有优异尺寸均匀性的金属或合金纳米颗粒来制备纳米尺寸金属或合金纳米颗粒的方法和装置，然后使用 溶剂或热量。 该方法解决了基于化学还原的现有昂贵的多步合成方法的问题，并且能够有效合成具有非常均匀尺寸的金属或合金纳米颗粒，并以低成本负载在碳上的金属或合金催化剂纳米颗粒。
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公开(公告)号：US20250100878A1
公开(公告)日：2025-03-27
申请号：US18403314
申请日：2024-01-03
Inventor： Jihui Seo , Jaeyong Lee , Jihye Park , Ji-Hoon Jang , Pyung Soon Kim , Hanjin Kim , Hyangsoo Jeong , Hyuntae Sohn , Jaewon Kirk , Yoondo Kim , Yongmin Kim , Suk Woo Nam
IPC: C01B6/21
Abstract: A method of regenerating sodium borohydride includes: pretreating reactants including sodium tetraborate hydrate (Na2B4O7·xH2O, 0
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公开(公告)号：US12202726B2
公开(公告)日：2025-01-21
申请号：US18387793
申请日：2023-11-07
Inventor： Pyung Soon Kim , Jin Woo Choung , Jihui Seo , Suk Woo Nam , Young Suk Jo , Hyangsoo Jeong , Jaewon Kirk , Chang Won Yoon , Yongmin Kim
IPC: C01B3/06 , B01J19/00 , H01M8/04082 , H01M8/065
Abstract: An operating method is disclosed for a dehydrogenation reaction system. The method includes providing a system having: an acid aqueous solution tank including an acid aqueous solution; a dehydrogenation reactor including a chemical hydride of a solid state and receiving an acid aqueous solution from the acid aqueous solution tank to react the chemical hydride with the acid aqueous solution to generate hydrogen; and a fuel cell stack receiving hydrogen generated from the dehydrogenation reactor to be reacted with oxygen to generate water and simultaneously to generate electrical energy. The method also includes recycling the water generated from the fuel cell stack to one or all of the acid aqueous solution tank, the dehydrogenation reactor, and a separate water tank. The acid is formic acid and, in in the dehydrogenation reactor, the temperature is in a range of 10° C. to 400° C. and the pressure is in a range of 1 bar to 100 bar.
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