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公开(公告)号：US20200080212A1
公开(公告)日：2020-03-12
申请号：US16686369
申请日：2019-11-18
发明人： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Setsuro OGATA , Akihiro KATO , Awaludin ZAENAL , Koji MATSUOKA , Yasushi SATO
摘要： An organic hydride production apparatus includes: an electrolyte membrane having proton conductivity; a cathode, provided on one side of the electrolyte membrane, that contains a cathode catalyst used to hydrogenate a hydrogenation target substance using protons to produce an organic hydride; an anode, provided opposite to the one side of the electrolyte membrane, that contains an anode catalyst used to oxidize water to produce protons; and an anode support, provided opposite to the electrolyte membrane side of the anode, that supports the anode. The anode support is formed of an elastic porous body of which the Young's modulus is greater than 0.1 N/mm2 and less than 43 N/mm2.
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公开(公告)号：US20170321331A1
公开(公告)日：2017-11-09
申请号：US15525419
申请日：2015-11-19
CPC分类号： C25B3/04 , C01B3/0005 , C01B13/0207 , C01B13/0248 , C07C29/132 , C07C29/20 , C25B1/04 , C25B11/0415 , C25B11/0431 , C25B11/0473 , C25B11/0484 , Y02E60/324 , Y02E60/366
摘要： An anode for oxygen evolution that operates at a small overpotential and in a stable manner, and can be used favorably in an organic chemical hydride electrolytic synthesis apparatus.An anode 10 for oxygen evolution that evolves oxygen in a sulfuric acid aqueous solution containing a substance to be hydrogenated dissolved at a concentration higher than 1 mg/L, wherein an anode substrate 10a is composed of a valve metal, and an anode catalyst layer 10b containing at least one oxide, nitride or carbide of iridium, and at least one oxide, nitride or carbide of at least one metal selected from the group consisting of elements belonging to groups 4, 5 and 13 of the periodic table is formed on the surface of the anode substrate 10a.
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公开(公告)号：US20230109702A1
公开(公告)日：2023-04-13
申请号：US17905232
申请日：2021-03-08
申请人： DE NORA PERMELEC LTD , KAWASAKI JUKOGYO KABUSHIKI KAISHA , NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
发明人： Shigenori MITSUSHIMA , Yoshiyuki KURODA , Shohei TAKATSU , Ikuo NAGASHIMA , Tatsuya TANIGUCHI , Akihiko INOMATA , Ayaka NAGAI , Yoshinori NISHIKI , Akihiro KATO , Awaludin ZAENAL , Takaaki NAKAI
IPC分类号： C25B11/052 , C25B1/04 , C25B11/061 , C25B11/077 , C25B15/08 , C25B15/029
摘要： The present invention realizes industrially excellent effects such that when electric power having a large output fluctuation, such as renewable energy, is used as a power source, electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a longer period of time, and in addition, the present invention provides a technique that enables forming a catalyst layer of an oxygen generation anode, which gives such excellent effects, with a more versatile materials and by a simple electrolysis method. Provided are an alkaline water electrolysis method including supplying an electrolyte obtained by dispersing a catalyst containing a hybrid nickel-iron hydroxide nanosheet (NiFe-ns) being a composite of a metal hydroxide and an organic substance to an anode chamber and a cathode chamber, and using the electrolyte for electrolysis in each chamber in common, an alkaline water electrolysis method including supplying an electrolyte obtained by dispersing a catalyst containing the NiFe-ns to an anode chamber and a cathode chamber, and performing electrolytic deposition of the NiFe-ns in the electrolytic cell during operation to electrolytically deposit the NiFe-ns on a surface of an electrically conductive substrate having a catalyst layer formed on a surface of an oxygen generation anode, thereby recovering and improving electrolysis performance, and an alkaline water electrolysis anode.
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公开(公告)号：US20220333257A1
公开(公告)日：2022-10-20
申请号：US17858464
申请日：2022-07-06
发明人： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Setsuro OGATA , Akihiro KATO , Awaludin ZAENAL , Koji MATSUOKA , Yasushi SATO
IPC分类号： C25B11/03 , C25B3/25 , C25B11/055
摘要： An organic hydride production apparatus includes: an electrolyte membrane having proton conductivity; a cathode, provided on one side of the electrolyte membrane, that contains a cathode catalyst used to hydrogenate a hydrogenation target substance using protons to produce an organic hydride; an anode, provided opposite to the one side of the electrolyte membrane, that contains an anode catalyst used to oxidize water to produce protons; and an anode support, provided opposite to the electrolyte membrane side of the anode, that supports the anode. The anode support is formed of an elastic porous body of which the Young's modulus is greater than 0.1 N/mm2 and less than 43 N/mm2.
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公开(公告)号：US20190352786A1
公开(公告)日：2019-11-21
申请号：US16349768
申请日：2017-10-18
发明人： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Akihiro KATO , Setsuro OGATA , Awaludin ZAENAL , Akiyoshi MANABE , Koji MATSUOKA , Yasushi SATO
摘要： An organic hydride production apparatus includes: an electrolyte membrane having proton conductivity; a cathode that includes a cathode catalyst layer used to hydrogenate a hydrogenation target substance using protons to produce an organic hydride and also includes a cathode chamber; an anode that includes an anode catalyst layer used to oxidize water to produce protons and also includes an anode chamber; and a gas introduction unit that introduces, into the anolyte at a certain position, a certain gas used to remove at least one of the hydrogenation target substance and the organic hydride that have passed through the electrolyte membrane and been mixed into the anolyte.
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公开(公告)号：US20190264340A1
公开(公告)日：2019-08-29
申请号：US16412957
申请日：2019-05-15
发明人： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Akihiro KATO , Setsuro OGATA , Awaludin ZAENAL , Akiyoshi MANABE , Koji MATSUOKA , Yasushi SATO
摘要： An organic hydride production apparatus includes: an electrolyte membrane having proton conductivity; a cathode that includes a cathode catalyst layer used to hydrogenate a hydrogenation target substance using protons to produce an organic hydride and also includes a cathode chamber; an anode that includes an anode catalyst layer used to oxidize water to produce protons and also includes an anode chamber; and a gas introduction unit that introduces, into the anolyte at a certain position, a certain gas used to remove at least one of the hydrogenation target substance and the organic hydride that have passed through the electrolyte membrane and been mixed into the anolyte.
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7.发明申请公开(公告)号：US20190226102A1
公开(公告)日：2019-07-25
申请号：US16331049
申请日：2017-09-11
申请人： DE NORA PERMELEC LTD , NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY , KAWASAKI JUKOGYO KABUSHIKI KAISHA
发明人： Shigenori MITSUSHIMA , Sho FUJITA , Ikuo NAGASHIMA , Yoshinori NISHIKI , Akiyoshi MANABE , Akihiro KATO
摘要： Provided is a method capable of producing, in a simple and low-cost manner, an electrolysis electrode which can be used in alkaline water electrolysis and has superior durability against output variation. The method for producing an anode for alkaline water electrolysis includes: a step of dissolving lithium nitrate and a nickel carboxylate in water to prepare an aqueous solution containing lithium ions and nickel ions, a step of applying the aqueous solution to the surface of a conductive substrate having at least the surface composed of nickel or a nickel-based alloy, and a step of subjecting the conductive substrate to which the aqueous solution has been applied to a heat treatment at a temperature within a range from at least 450° C. to not more than 600° C., thereby forming a catalyst layer composed of a lithium-containing nickel oxide on the conductive substrate.
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8.发明申请公开(公告)号：US20170314145A1
公开(公告)日：2017-11-02
申请号：US15528438
申请日：2015-11-19
摘要： An organic hydride production apparatus that enables the reduction reaction at the cathode of an organic compound having an unsaturated bond to proceed at high current efficiency and at a low electric power consumption rate, and a method for producing an organic hydride that uses this production apparatus. The production apparatus includes a solid polymer electrolyte membrane having proton conductivity, a cathode which is provided on one surface of the solid polymer electrolyte membrane and generates a hydride by reducing a substance to be hydrogenated, a cathode chamber which houses the cathode and is supplied with the substance to be hydrogenated, an electrode catalyst-containing anode which is provided on the other surface of the solid polymer electrolyte membrane and generates protons by oxidizing water, and an anode chamber which houses the anode and is supplied with an electrolytic solution, wherein the substance to be hydrogenated is supplied from the lower end of the cathode chamber, the production apparatus has a hydride outlet through which the product and the like is discharged from the upper end of the cathode chamber, and at least one partition with a width of not less than 0.1 mm is formed inside the cathode camber.
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公开(公告)号：US20170292198A1
公开(公告)日：2017-10-12
申请号：US15514403
申请日：2015-09-18
CPC分类号： C25B9/10 , C25B3/04 , C25B11/02 , C25B11/0405 , C25B11/0442 , C25B11/0452 , C25B11/12
摘要： To provide an electrolysis cell for producing an organic chemical hydride capable of advancing a reduction reaction in a cathode of an organic compound having an unsaturated bond with high current efficiency and a small electric power consumption unit.An electrolysis cell 10 for producing an organic chemical hydride includes a solid polymer electrolyte film 11 which has proton conductivity; a cathode 12 which is provided on one surface of the solid polymer electrolyte film 11 and generates a hydride by reducing a substance to be hydrogenated; a cathode chamber 13 which accommodates the cathode 12 and to which the substance to be hydrogenated is supplied; an electrode catalyst-containing anode 14 which is provided on another surface of the solid polymer electrolyte film 11 and generates a proton by oxidizing water; and an anode chamber 15 which accommodates the anode 14 and to which an electrolytic solution is supplied, in which at least one of a surface of the cathode 12 side and a surface of the anode 14 side of the solid polymer electrolyte film 11 is hydrophilized.
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公开(公告)号：US20240287692A1
公开(公告)日：2024-08-29
申请号：US18569962
申请日：2022-03-29
申请人： DE NORA PERMELEC LTD
发明人： Takashi FURUSAWA , Akihiro KATO , Eri MIYAKAWA , Fabio TIMPANO , Alice CALDERARA
IPC分类号： C25B11/063 , C25B1/04 , C25B11/093
CPC分类号： C25B11/063 , C25B1/04 , C25B11/093
摘要： The object of the present invention is to provide an electrode having high durability and lower manufacturing costs and a method for manufacturing the same. An electrode comprising a coating that contains a mixed metal oxide on a valve metal substrate with an intermediate layer therebetween that contains an alloy that contains a titanium component and a tantalum component, wherein the molar ratio of metal elements in the mixed metal oxide is 35 to 48% for the total of an iridium element and a ruthenium element, 45 to 60% of a tin element, and 3 to 9% of a tantalum element, and the molar ratio of the iridium element to the total of the iridium element and the ruthenium element in the mixed metal oxide is 32 to 60% inclusive.
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