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公开(公告)号：US20160222525A1
公开(公告)日：2016-08-04
申请号：US14997427
申请日：2016-01-15
Inventor： Keiichi Noda , Satoshi Yotsuhashi , Masahiro Deguchi , Hiroshi Hashiba , Takeyuki Sekimoto , Yuka Yamada
CPC classification number: C25B1/10 , C25B1/003 , C25B11/041 , C25B11/0478 , Y02E60/364 , Y02E60/366
Abstract: The present invention provides a method for splitting water. In the present method, first, prepared is a water splitting device comprising: cathode and anode containers in which first and second electrolyte solutions are stored respectively; a proton exchange membrane disposed therebetween; a cathode electrode in contact with the first electrolyte solution and comprises a metal or metal compound; and an anode electrode in contact with the second electrolyte solution and comprises a nitride semiconductor layer. Then, the anode electrode is irradiated with light to split water contained in the first electrolyte solution. The anode electrode comprises a cobalt oxide layer formed of Co3O4 as a main component on a surface of the nitride semiconductor layer; the surface of the nitride semiconductor layer being in contact with the second electrolyte solution. The cathode electrode is electrically connected to the anode electrode without an external power supply.
Abstract translation: 本发明提供一种水分离方法。 在本方法中，首先制备了一种水分解装置，包括：分别存储第一和第二电解质溶液的阴极和阳极容器; 置于其间的质子交换膜; 与第一电解质溶液接触并包含金属或金属化合物的阴极; 以及与第二电解质溶液接触的阳极电极，并且包括氮化物半导体层。 然后，用阳光电极照射第一电解质溶液中包含的水。 所述阳极电极包括在所述氮化物半导体层的表面上作为主要成分的Co 3 O 4形成的氧化钴层; 所述氮化物半导体层的表面与所述第二电解质溶液接触。 阴极电极与阳极电连接，无需外部电源。
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公开(公告)号：US09598779B2
公开(公告)日：2017-03-21
申请号：US14935370
申请日：2015-11-06
Inventor： Hiroshi Hashiba , Masahiro Deguchi , Satoshi Yotsuhashi , Yuka Yamada
CPC classification number: C25B1/003 , C01B31/18 , C01B32/40 , C07C51/00 , C25B3/04 , C25B9/08 , C25B11/0442 , C25B11/0447 , C07C53/02
Abstract: In a carbon dioxide reduction method according to the present disclose, used is a carbon dioxide reduction device comprising a cathode container in which a first electrolyte containing carbon dioxide is stored, an anode container in which a second electrolyte is stored, a solid electrolyte membrane, a condenser, a cathode electrode having a metal or a metal compound on the surface thereof, and anode electrode having a region formed of a nitride semiconductor layer in which a GaN layer and an AlxGa1-xN layer are stacked. The anode electrode is irradiated with light condensed by the condenser and having a wavelength of not more than 360 nanometers to reduce the carbon dioxide contained in the first electrolyte on the cathode electrode.
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公开(公告)号：US09920439B2
公开(公告)日：2018-03-20
申请号：US14997427
申请日：2016-01-15
Inventor： Keiichi Noda , Satoshi Yotsuhashi , Masahiro Deguchi , Hiroshi Hashiba , Takeyuki Sekimoto , Yuka Yamada
CPC classification number: C25B1/10 , C25B1/003 , C25B11/041 , C25B11/0478 , Y02E60/364 , Y02E60/366
Abstract: The present invention provides a method for splitting water. In the present method, first, prepared is a water splitting device comprising: cathode and anode containers in which first and second electrolyte solutions are stored respectively; a proton exchange membrane disposed therebetween; a cathode electrode in contact with the first electrolyte solution and comprises a metal or metal compound; and an anode electrode in contact with the second electrolyte solution and comprises a nitride semiconductor layer. Then, the anode electrode is irradiated with light to split water contained in the first electrolyte solution. The anode electrode comprises a cobalt oxide layer formed of Co3O4 as a main component on a surface of the nitride semiconductor layer; the surface of the nitride semiconductor layer being in contact with the second electrolyte solution. The cathode electrode is electrically connected to the anode electrode without an external power supply.
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公开(公告)号：US10087533B2
公开(公告)日：2018-10-02
申请号：US14795572
申请日：2015-07-09
Inventor： Takeyuki Sekimoto , Masahiro Deguchi , Satoshi Yotsuhashi , Hiroshi Hashiba , Yuka Yamada , Shuichi Shinagawa
Abstract: A method for reducing carbon dioxide is provided. In the present method, used is an anode electrode comprises a stacked structure of a photoelectric conversion layer, a metal layer, and an InxGa1-xN layer (where 0
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