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

IPC: B01J23/745 ,  C01C1/04 ,  C25B1/00 ,  C25B11/12 ,  B01J27/02 ,  B01J23/72 ,  B01J21/18

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：US10305131B2

公开(公告)日：2019-05-28

申请号：US15200060

申请日：2016-07-01

Applicant: YOULCHON CHEMICAL CO., LTD. ,  KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyoung-Juhn Kim ,  Jong Hyun Jang ,  So Young Lee ,  Bohyun Kim ,  Sun-Hee Choi ,  Jonghee Han ,  Jin Ho Kim ,  Jong Hyub Park

IPC: H01M8/1027 ,  H01M8/1044 ,  H01M8/1081 ,  C08J5/22 ,  H01M8/1004 ,  H01M8/1018

Abstract: Disclosed is an electrolyte membrane for a fuel cell including a polymer blend of a sulfonated polyethersulfone copolymer, hydroxyl group-containing polyethersulfone copolymer and a hydroxyl group-containing sulfonated polyethersulfone copolymer.

公开(公告)号：US20180202970A1

公开(公告)日：2018-07-19

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 ,  G01R27/26 ,  G01K13/00

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.

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：US09751078B2

公开(公告)日：2017-09-05

申请号：US14921567

申请日：2015-10-23

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung Jong Yoo ,  Jaeyune Ryu ,  Jong Hyun Jang ,  Jin Young Kim ,  Hyoung-Juhn Kim ,  Sung Pil Yoon ,  Jonghee Han ,  Suk Woo Nam ,  Tae Hoon Lim

IPC: B01J27/185 ,  B01J35/06 ,  C25B11/03 ,  C25B11/04 ,  C25B1/02 ,  B82Y30/00

CPC classification number: B01J27/1853 ,  B01J23/75 ,  B01J35/06 ,  B82Y30/00 ,  C25B1/02 ,  C25B11/035 ,  C25B11/0405 ,  C25B11/0415 ,  C25B11/0447

Abstract: Disclosed is a non-precious metal based water electrolysis catalyst represented by CoX/C (X is at least one selected from the group consisting of P, O, B, S and N) for evolution of hydrogen and oxygen at a cathode and anode, respectively, at the same time, the catalyst including a cobalt-containing compound fixed to a carbon carrier.

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

IPC: B22F9/00 ,  H01M4/90

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）。