-
公开(公告)号：US10744495B2
公开(公告)日：2020-08-18
申请号：US15745085
申请日：2016-07-29
申请人： TOTO LTD. , THE UNIVERSITY OF TOKYO , Japan Technological Research Association of Artificial Photosynthesis Chemical Process
发明人： Hiromasa Tokudome , Sayuri Okunaka , Kazunari Domen , Takashi Hisatomi , Qian Wang , Qingxin Jia
IPC分类号： B01J35/00 , B01J23/58 , B01J23/63 , B01J23/847 , B01J23/31 , B01J23/78 , B01J23/887 , B01J37/03 , B01J35/02 , B01J23/652 , B01J23/89 , B01J27/24 , C01B13/02 , B01J23/62 , B01J23/648 , B01J23/86 , C01B3/04
摘要： A photocatalytic member comprises a base and a photocatalytic layer fixed on the base. The photocatalytic layer comprises first photocatalyst particles being visible light responsive photocatalyst particles for hydrogen generation, second photocatalyst particles being visible light responsive photocatalyst particles for oxygen generation, and conductive particles which are provided between the first photocatalyst particle and the second photocatalyst particle, have Fermi level at a negative position relative to an electronic energy level at the upper end of the valence band of the first photocatalyst particle and at a positive position relative to an electronic energy level at the bottom end of the conduction band of the second photocatalyst particle, and are able to store an electron and a hole. In the photocatalytic layer, the conductive particles are located to be coupled to both the first photocatalyst particles and the second photocatalyst particles.
-
公开(公告)号：US11248304B2
公开(公告)日：2022-02-15
申请号：US16784678
申请日：2020-02-07
申请人： Mitsubishi Chemical Corporation , THE UNIVERSITY OF TOKYO , JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS , NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
发明人： Hiroshi Nishiyama , Tomohiro Higashi , Yutaka Sasaki , Taro Yamada , Kazunari Domen , Yohichi Suzuki , Seiji Akiyama
IPC分类号： C25B11/075 , C01B21/06 , C25B1/04 , C25B11/057 , B01J37/02
摘要： A method for producing a transparent electrode for oxygen production having a Ta nitride layer on a transparent substrate, including: a step of forming a Ta nitride precursor layer on the transparent substrate; and a step of nitriding the Ta nitride precursor layer with a mixed gas containing ammonia and a carrier gas.
-
公开(公告)号：US10337112B2
公开(公告)日：2019-07-02
申请号：US15692496
申请日：2017-08-31
申请人： FUJIFILM Corporation , THE UNIVERSITY OF TOKYO , Japan Technological Research Association of Artificial Photosynthetic Chemical Process
IPC分类号： C25B11/04 , B01J19/12 , C23C14/58 , C01B3/04 , C01B13/02 , C23C14/00 , C23C14/16 , C23C14/34 , C25B1/00 , B01J35/02 , B01J27/24 , B01J37/20 , B01J37/12 , C25B1/04
摘要： Provided is a method for producing a photocatalyst electrode for water decomposition that exhibits excellent detachability between the substrate and the photocatalyst layer and exhibits high photocurrent density. The method for producing a photocatalyst electrode for water decomposition of the invention includes: a metal layer forming step of forming a metal layer on one surface of a first substrate by a vapor phase film-forming method or a liquid phase film-forming method; a photocatalyst layer forming step of forming a photocatalyst layer by subjecting the metal layer to at least one treatment selected from an oxidation treatment, a nitriding treatment, a sulfurization treatment, or a selenization treatment; a current collecting layer forming step of forming a current collecting layer on a surface of the photocatalyst layer, the surface being on the opposite side of the first substrate; and a detachment step of detaching the first substrate from the photocatalyst layer.
-
公开(公告)号：US10332690B2
公开(公告)日：2019-06-25
申请号：US15476116
申请日：2017-03-31
申请人： MITSUBISHI CHEMICAL CORPORATION , The University of Tokyo , Japan Technological Research Association of Artificial Photosynthetic Chemical Process
发明人： Seiji Akiyama , Kazunari Domen
摘要： The present invention provides a method of producing a composite photocatalyst having a remarkable water splitting activity, which is capable of efficiently loading a co-catalyst having a small particle size in a highly dispersed manner on a surface of an optical semiconductor. According to the present invention, the method of producing a composite photocatalyst from a plurality types of optical semiconductors includes a step of heating a solid-liquid mixture containing a solvent, a co-catalyst or a co-catalyst source, and a plurality of types of optical semiconductors by irradiating the solid-liquid mixture with microwave.
-
公开(公告)号：US10406516B2
公开(公告)日：2019-09-10
申请号：US14479910
申请日：2014-09-08
发明人： Tsutomu Minegishi , Kazunari Domen , Jun Kubota
IPC分类号： C01B3/04 , C25B1/00 , C25B1/04 , B01J21/06 , B01J23/10 , B01J27/24 , B01J35/00 , B01J37/02 , B32B38/10 , C23C14/00 , C23C14/34
摘要： The present invention provides an electrode for water-splitting reaction that is capable of increasing conductive path between a photocatalyst layer and a current collecting layer without inhibiting light absorption by photocatalyst, which comprises: a photocatalyst layer 10; a current collecting layer 30; and a contact layer 20 that contains semiconductor or good conductor and is provided between the photocatalyst layer 10 and the current collecting layer 30, wherein the contact layer 20 is provided along the surface shape of the photocatalyst layer 10 at the current collecting layer 30 side of the photocatalyst layer 10.
-
公开(公告)号：US10392714B2
公开(公告)日：2019-08-27
申请号：US15178962
申请日：2016-06-10
申请人： FUJIFILM Corporation , JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICAL PHOTOSYNTHETIC CHEMICAL PROCESS , THE UNIVERSITY OF TOKYO
发明人： Naotoshi Sato , Kazunari Domen , Jiro Tsukahara
IPC分类号： C25B9/00 , C25B9/18 , C25B1/00 , H01L31/072 , H01L31/0749 , C25B15/02 , C25B1/04 , C25B9/08 , C25B1/10 , C25B11/04 , C25B15/08 , H01L31/032 , H01L31/042
摘要： Provided is an artificial-photosynthesis module, which decomposes an aqueous electrolyte solution into hydrogen and oxygen by means of light, including a photoelectric conversion unit that receives light to generate electrical energy; a hydrogen gas generating part that decomposes the aqueous electrolyte solution, using the electrical energy of the photoelectric conversion unit, and generates hydrogen gas; and an oxygen gas generating part that decomposes the aqueous electrolyte solution, using the electrical energy of the photoelectric conversion unit, and generates oxygen gas. The photoelectric conversion unit, the hydrogen gas generating part, and the oxygen gas generating part are electrically connected in series, and the hydrogen gas generating part and the oxygen gas generating part are arranged within an electrolytic chamber to which the aqueous electrolyte solution is supplied. The hydrogen gas generating part has an inorganic semiconductor film having a pn junction.
-
公开(公告)号：US10914013B2
公开(公告)日：2021-02-09
申请号：US15914731
申请日：2018-03-07
申请人： FUJIFILM Corporation , Japan Technological Research Association of Artificial Photosynthetic Chemical Process , THE UNIVERSITY OF TOKYO
发明人： Kazunari Domen , Tsutomu Minegishi , Atsushi Ohnishi , Koichiro Ueda , Chisato Katayama , Hiroyuki Kobayashi
摘要： Provided are a photocatalyst electrode for oxygen generation exhibiting a satisfactory onset potential, and a module including this photocatalyst electrode. The photocatalyst electrode for oxygen generation includes a current collector layer; a photocatalyst on the current collector layer; and a promoter supported on at least a portion of the photocatalyst, in which the promoter contains a first metal oxide having an oxygen generation overvoltage of 0.4 V or lower, and a second metal oxide having an oxygen generation overvoltage of higher than 0.4 V.
-
公开(公告)号：US10022713B2
公开(公告)日：2018-07-17
申请号：US15072923
申请日：2016-03-17
申请人： FUJIFILM Corporation , Japan Technological Research Association of Artificial Photosynthetic Chemical Process , THE UNIVERSITY OF TOKYO
IPC分类号： B01J35/00 , B01J27/24 , C01B3/04 , C23C8/24 , B01J23/20 , B01J23/75 , B01J37/04 , B01J37/08 , C01B13/02
摘要： The present invention provides a photocatalyst for water splitting which includes barium niobium oxynitride and exhibits excellent water splitting performance and a production method for the same, and a water splitting photoelectrode. The photocatalyst for water splitting of the present invention is a photocatalyst for water splitting including: an optical semiconductor and a promoter supported by the optical semiconductor, in which the optical semiconductor includes barium niobium oxynitride, and the promoter includes at least one substance selected from a group consisting of cobalt oxides and metallic cobalt.
-
公开(公告)号：US09975115B2
公开(公告)日：2018-05-22
申请号：US14640628
申请日：2015-03-06
IPC分类号： B01J19/12 , B01J35/00 , B01J23/66 , B01J27/057 , B01J35/02 , B01J23/08 , B01J23/68 , B01J37/02 , C01B3/04 , C25B1/00 , C25B11/04 , C25B1/04
CPC分类号： B01J35/02 , B01J19/123 , B01J23/08 , B01J23/66 , B01J23/686 , B01J27/0573 , B01J35/004 , B01J37/0238 , B01J37/0244 , B01J2219/1203 , C01B3/042 , C01B2203/0277 , C01B2203/1005 , C01B2203/1041 , C25B1/003 , C25B1/04 , C25B11/0478 , Y02E60/364 , Y02E60/368
摘要： Provided are a photocatalyst having higher activity for hydrogen production through water splitting and a photoelectrode comprising the photocatalyst. The photocatalyst for water splitting of the present invention comprises a Ga selenide, an Ag—Ga selenide, or both thereof.
-
公开(公告)号：US20170250031A1
公开(公告)日：2017-08-31
申请号：US15476116
申请日：2017-03-31
申请人： MITSUBISHI CHEMICAL CORPORATION , The University of Tokyo , Japan Technological Research Association of Artificial Photosynthetic Chemical Process
发明人： Seiji AKIYAMA , Kazunari Domen
CPC分类号： H01G9/2036 , B01J27/24 , B01J35/004 , B01J37/343 , C01B3/042 , C25B1/04 , Y02E60/364 , Y02E60/366
摘要： The present invention provides a method of producing a composite photocatalyst having a remarkable water splitting activity, which is capable of efficiently loading a co-catalyst having a small particle size in a highly dispersed manner on a surface of an optical semiconductor. According to the present invention, the method of producing a composite photocatalyst from a plurality types of optical semiconductors includes a step of heating a solid-liquid mixture containing a solvent, a co-catalyst or a co-catalyst source, and a plurality of types of optical semiconductors by irradiating the solid-liquid mixture with microwave.
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.033 秒)
