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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
Inventor： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Setsuro OGATA , Akihiro KATO , Awaludin ZAENAL , Koji MATSUOKA , Yasushi SATO
IPC: C25B11/03 , C25B3/25 , C25B11/055
Abstract: 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
Inventor： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Akihiro KATO , Setsuro OGATA , Awaludin ZAENAL , Akiyoshi MANABE , Koji MATSUOKA , Yasushi SATO
Abstract: 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
Inventor： Shigenori MITSUSHIMA , Kensaku NAGASAWA , Yoshinori NISHIKI , Akihiro KATO , Setsuro OGATA , Awaludin ZAENAL , Akiyoshi MANABE , Koji MATSUOKA , Yasushi SATO
Abstract: 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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Patent Agency Ranking
14.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
Applicant: DE NORA PERMELEC LTD , NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY , KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Shigenori MITSUSHIMA , Sho FUJITA , Ikuo NAGASHIMA , Yoshinori NISHIKI , Akiyoshi MANABE , Akihiro KATO
Abstract: 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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15.发明申请公开(公告)号：US20190078220A1
公开(公告)日：2019-03-14
申请号：US16084851
申请日：2017-04-05
Applicant: DE NORA PERMELEC LTD , KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Akihiro KATO , Fumiya TSUJII , Yuji KAMEI , Ikuo SHIMOMURA , Ikuo NAGASHIMA
Abstract: Provided are an anode for alkaline water electrolysis that can achieve a low overpotential at low cost, and a method for producing the anode for alkaline water electrolysis.An anode for alkaline water electrolysis having electrode catalyst layers 2, 3 composed of a first catalyst component having either a nickel-cobalt spinel oxide or a lanthanide-nickel-cobalt perovskite oxide and a second catalyst component having at least one of iridium oxide and ruthenium oxide formed on the surface of a conductive substrate 1 composed of nickel or a nickel-based alloy, and a method for producing the anode for alkaline water electrolysis.
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16.发明申请公开(公告)号：US20180175425A1
公开(公告)日：2018-06-21
申请号：US15580200
申请日：2016-06-16
Applicant: DE NORA PERMELEC LTD
Inventor： Akiyoshi MANABE , Fumiya TSUJII , Akihiro KATO
IPC: H01M8/18 , H01M8/0662 , H01M4/90 , C02F1/461
CPC classification number: H01M8/186 , C02F1/46114 , C02F2001/46133 , C25B1/10 , C25B9/10 , C25B11/0447 , C25B11/0473 , C25B11/0494 , C25B15/02 , C25B15/08 , G21F9/06 , H01M4/9016 , H01M4/9041 , H01M4/926 , H01M8/0656 , H01M8/0681 , H01M8/083 , Y02E60/366 , Y02E60/528
Abstract: Electric power energy required in an alkaline water electrolytic device and an alkaline fuel cell for continuing an electrolytic treatment, a hydrogen gas and an oxygen gas serving as raw materials for the electric power energy, an amount of water corresponding to raw water lost through the electrolytic treatment, and an electrolytic solution are efficiently circulated and used in a water treatment system to considerably reduce electric power consumption. Provided is a water treatment system using an alkaline water electrolytic device and an alkaline fuel cell in which an alkaline water electrolytic device and an alkaline fuel cell are connected to each other, the volume of raw water is reduced, an oxygen gas and a hydrogen gas that are generated from the alkaline water electrolytic device are fed to the alkaline fuel cell, the oxygen gas and hydrogen gas are used to generate electric power by the alkaline fuel cell, electric energy and water are collected, and the collected electric energy is fed to the alkaline water electrolytic device as an electric power source thereof.
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17.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
Inventor： Shigenori MITSUSHIMA , Yasutomo TAKAKUWA , Yoshinori NISHIKI , Akihiro KATO , Akiyoshi MANABE
Abstract: 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
Inventor： Shigenori MITSUSHIMA , Yasutomo TAKAKUWA , Yoshinori NISHIKI , Akihiro KATO , Akiyoshi MANABE
CPC classification number: C25B9/10 , C25B3/04 , C25B11/02 , C25B11/0405 , C25B11/0442 , C25B11/0452 , C25B11/12
Abstract: 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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