-
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）。
-
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.
-
公开(公告)号：US20240076182A1
公开(公告)日：2024-03-07
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
CPC classification number: C01B3/065 , B01J19/0013 , H01M8/04216 , H01M8/065 , B01J2219/00051 , B01J2219/00162 , C01B2203/085 , C01B2203/0872
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.
-
公开(公告)号：US11594744B2
公开(公告)日：2023-02-28
申请号：US17348578
申请日：2021-06-15
Inventor： Jihui Seo , Jin Woo Choung , Pyung Soon Kim , Suk Woo Nam , Hyangsoo Jeong , Yongmin Kim , Jaewon Kirk , Chang Won Yoon
IPC: H01M8/0612 , B01J19/24 , H01M8/065 , C01B3/00 , C01B3/06
Abstract: A hybrid dehydrogenation reaction system includes: an acid aqueous solution tank having an acid aqueous solution; an exothermic dehydrogenation reactor including a chemical hydride of a solid state and receiving the acid aqueous solution from the acid aqueous solution tank for an exothermic dehydrogenation reaction of the chemical hydride and the acid aqueous solution to generate hydrogen; an LOHC tank including a liquid organic hydrogen carrier (LOHC); and an endothermic dehydrogenation reactor receiving the liquid organic hydrogen carrier from the LOHC tank and generating hydrogen through an endothermic dehydrogenation reaction of the liquid organic hydrogen carrier by using heat generated from the exothermic dehydrogenation reactor.
-
Patent Agency Ranking
公开(公告)号：US20220250903A1
公开(公告)日：2022-08-11
申请号：US17348539
申请日：2021-06-15
Inventor： Pyung Soon Kim , Jin Woo Choung , Jihui Seo , Hyuntae Sohn , Yu-Jin Lee , Hyangsoo Jeong , Yoondo Kim , Chang Won Yoon , Yongmin Kim
Abstract: A hydrogen generating method includes generating hydrogen by dehydrogenation-reacting a chemical hydride of a solid state with an acid aqueous solution. The dehydrogenation-reaction is performed by reacting 1 mol of hydrogen atoms of the chemical hydride with an acid and water at a molar ratio of 0.5 to 2.
-
公开(公告)号：US20200086302A1
公开(公告)日：2020-03-19
申请号：US16216287
申请日：2018-12-11
Applicant: Korea Institute of Science and Technology
Inventor： Hyun Seo Park , Kahyun Hur , Min-Soek Kim , Jimin Kong , Jong Hyun Jang , Chang Won Yoon , Hyung Chul Ham , Suk Woo Nam , Jonghee Han , Ara Jo
Abstract: The present disclosure relates to a catalyst for electrochemical ammonia synthesis and a method for producing the same. The catalyst has an ammonia synthesis activity up to several times to several tens of times of the activity of the existing single metal or metal oxide catalysts. Thus, when using the catalyst, it is possible to provide a method for electrochemical ammonia synthesis having an improved ammonia production yield and rate.
-
公开(公告)号：US10435296B2
公开(公告)日：2019-10-08
申请号：US15713698
申请日：2017-09-25
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Chang Won Yoon , Dajung Han , Yeong Cheon Kim , Hyun Seo Park , Hyung Chul Ham , Sung Pil Yoon , Jonghee Han , Tae Hoon Lim , Suk Woo Nam
IPC: C01B3/00 , C01B3/54 , C07C15/16 , B01J23/44 , B01J23/46 , C07C15/14 , C07C5/42 , B01J35/00 , B01J21/04 , B01J27/26 , C01B3/22
Abstract: Provided is a liquid hydrogen storage material including 1,1′-biphenyl and 1,1′-methylenedibenzene, the liquid hydrogen storage material including the corresponding 1,1′-biphenyl and 1,1′-methylenedibenzene at a weight ratio of 1:1 to 1:2.5. The corresponding liquid hydrogen storage material has excellent hydrogen storage capacity value by including materials having high hydrogen storage capacity, and is supplied in a liquid state, and as a result, it is possible to minimize initial investment costs and the like required when the corresponding liquid hydrogen storage material is used as a hydrogen storage material in a variety of industries.
-
公开(公告)号：US09993806B2
公开(公告)日：2018-06-12
申请号：US15708132
申请日：2017-09-19
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Chang Won Yoon , Yeong Cheon Kim , Hyun Seo Park , Hyung Chul Ham , Sung Pil Yoon , Jonghee Han , Suk Woo Nam , Seong Cheol Jang
IPC: B01J21/18 , B01J23/44 , B01J23/755 , B01J23/89 , B01J27/24 , B01J35/00 , B01J37/02 , B01J37/08 , C01B3/22
CPC classification number: B01J23/892 , B01J27/24 , B01J35/0006 , B01J35/0013 , B01J37/0215 , B01J37/084 , B01J37/088 , C01B3/22 , C01B2203/0277 , C01B2203/1064 , C01B2203/1082
Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formic acid, the method including: preparing a nitrogen-doped carbon support; forming a mixed solution including a first aqueous metal precursor solution which includes palladium (Pd) and a second aqueous metal precursor solution which includes nickel (Ni); and forming a catalyst for a dehydrogenation reaction of formic acid by stirring the nitrogen-doped carbon support with the mixed solution, and then immobilizing alloy particles of Pd and Ni on the nitrogen-doped carbon support.
-
公开(公告)号：US20140335442A1
公开(公告)日：2014-11-13
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）。
-
-
-
-
-
-
-
-
Search Results
29
records
(took 0.02 seconds)
