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公开(公告)号：US20230002917A1
公开(公告)日：2023-01-05
申请号：US17640457
申请日：2020-09-04
摘要： An ammonia production method is a method of producing ammonia from nitrogen molecule using electron supplied from a power supply in the presence of a complex and a proton source. The complex used is, for example, a molybdenum complex (1) that is carried on Merrifield resin. The proton source used is an electrolyte membrane, a solution used in a cathode tank, or both the electrolyte membrane and the solution used in the cathode tank:
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公开(公告)号：US20240328014A1
公开(公告)日：2024-10-03
申请号：US18285352
申请日：2022-03-30
发明人： Yoshiaki NISHIBAYASHI , Kazuya ARASHIBA , Yuya ASHIDA , Shoichi KONDO , Takamasa KIKUCHI , Norihito SHIGA
IPC分类号： C25B11/095 , C07F11/00 , C25B1/27 , C25B9/23 , C25B11/032 , C25B11/052
CPC分类号： C25B11/095 , C07F11/005 , C25B1/27 , C25B9/23 , C25B11/032 , C25B11/052
摘要： An ammonia production method is a method that produces ammonia from nitrogen molecules by donating electrons from a power supply, protons from a proton source, and the nitrogen molecules from means for supplying a nitrogen gas in presence of a complex, a solid catalyst, and a reaction field forming material in a cathode by a production apparatus for performing electrolysis. In the complex, the solid catalyst, and the reaction field forming material, for example, a molybdenum complex expressed by Formula (A1-1) is used as the complex.
A platinum catalyst is used as the solid catalyst, and a rare earth metal-carbon-based binder is used as the reaction field forming material.-
公开(公告)号：US20230295818A1
公开(公告)日：2023-09-21
申请号：US18021336
申请日：2021-08-16
IPC分类号： C25B11/095 , C01C1/04 , C25B1/27 , C25B9/23 , C25B11/032
CPC分类号： C25B11/095 , C01C1/0494 , C25B1/27 , C25B9/23 , C25B11/032
摘要： A method for producing ammonia involves producing ammonia from molecular nitrogen in a production apparatus for performing electrolysis by supplying electrons from a power source, protons from a proton source and molecular nitrogen from a device for supplying a nitrogen gas while in the presence of a solid catalyst and a complex in a cathode. For example, a molybdenum complex represented by formula (A1) or formula (B2) as the complex, and a platinum catalyst or a platinum catalyst/gold catalyst combination as the solid catalyst are used.
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公开(公告)号：US20240110293A1
公开(公告)日：2024-04-04
申请号：US18184881
申请日：2023-03-16
发明人： Jun TAMURA , Ryota KITAGAWA , Koji MIZUGUCHI , Yoshitsune SUGANO , Yoshiaki NISHIBAYASHI , Kazuya ARASHIBA
CPC分类号： C25B1/27 , B01J23/28 , B01J31/18 , C01C1/0458 , C25B1/50 , C25B9/19 , C25B9/70 , C25B11/031 , B01J2231/62 , B01J2531/64
摘要： An ammonia manufacturing apparatus of an embodiment includes: an electrochemical reaction cell including: a first reaction tank in which a reduction electrode is arranged and gaseous nitrogen is supplied; a second reaction tank in which an oxidation electrode is arranged and an electrolytic solution containing water or water vapor is supplied; and a diaphragm provided between the first reaction tank and the second reaction tank. In the ammonia manufacturing apparatus of the embodiment, the reduction electrode includes a reduction catalyst that reduces nitrogen to produce ammonia, a porous carbon material that supports the reduction catalyst, and an organic polymer material that binds the porous carbon material. The porous carbon material has pores with a BET average pore size of 1 nm or more and 15 nm or less.
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