公开(公告)号：US20170130346A1

公开(公告)日：2017-05-11

申请号：US15413717

申请日：2017-01-24

申请人： FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process ,  THE UNIVERSITY OF TOKYO

发明人： Naotoshi SATO ,  Kazunari DOMEN

IPC分类号： C25B11/04 ,  C25B1/00 ,  H01G9/20 ,  C25B9/06

CPC分类号： C25B11/0405 ,  C01B3/04 ,  C25B1/003 ,  C25B9/06 ,  C25B11/02 ,  C25B11/0478 ,  C25B11/0484 ,  H01G9/2045 ,  Y02E60/368

摘要： A hydrogen generation electrode is used for an artificial photosynthesis module that decomposes an electrolytic aqueous solution into hydrogen and oxygen with light. The hydrogen generation electrode has a conductive layer, an inorganic semiconductor layer that is provided on the conductive layer and has a pn junction, and a functional layer that covers an inorganic semiconductor layer. The steam permeability of the functional layer is 5 g/(m2·day) or less.

公开(公告)号：US20180195187A1

公开(公告)日：2018-07-12

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

IPC分类号： C25B11/04 ,  C25B1/04

CPC分类号： C25B11/0405 ,  C25B1/003 ,  C25B1/04 ,  C25B9/06 ,  C25B11/0452 ,  Y02E60/366

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：US20160281244A1

公开(公告)日：2016-09-29

申请号：US15178641

申请日：2016-06-10

申请人： FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process ,  THE UNIVERSITY OF TOKYO

发明人： Naotoshi SATO ,  Kazunari DOMEN ,  Jiro TSUKAHARA

IPC分类号： C25B1/10 ,  C25B9/08 ,  H01L31/0749 ,  C25B15/08 ,  H01L31/042 ,  H01L31/032 ,  C25B1/00 ,  C25B11/04

CPC分类号： C25B1/10 ,  C25B1/003 ,  C25B1/04 ,  C25B9/08 ,  C25B11/0473 ,  C25B15/00 ,  C25B15/08 ,  H01L31/0322 ,  H01L31/0326 ,  H01L31/042 ,  H01L31/0749 ,  Y02E10/541 ,  Y02E60/368 ,  Y02P70/521

摘要： Provided is an artificial-photosynthesis array configured of artificial-photosynthesis modules which have been arranged in one or more rows and which receive light and decompose a supplied aqueous electrolyte solution to thereby obtain hydrogen gas and oxygen gas. The artificial-photosynthesis modules each includes an electrolytic chamber for hydrogen where hydrogen gas is generated and an electrolytic chamber for oxygen where oxygen gas is generated, the chambers being isolated from each other. The electrolytic chambers for hydrogen and electrolytic chambers for oxygen of the artificial-photosynthesis modules are alternately connected so that the electrolytic chamber for hydrogen of each artificial-photosynthesis module is connected to the electrolytic chamber for oxygen of another module and the electrolytic chamber for oxygen of each artificial-photosynthesis module is connected to the electrolytic chamber for hydrogen of another module.

摘要翻译： 本发明提供一种由人工光合作用模块构成的人造光合作用阵列，它们被布置成一列或多行，并且接收光并分解供给的电解质水溶液从而获得氢气和氧气。 人造光合作用模块包括产生氢气的氢气电解室和产生氧气的氧气用电解室，所述室彼此隔离。 用于人造光合作用模块的用于氢气和氧气的电解室的电解室交替地连接，使得每个人造光合作用模块的氢气电解室连接到另一个模块的氧气的电解室和氧气的电解室 每个人造光合作用模块连接到另一模块的氢气的电解室。

公开(公告)号：US20160281241A1

公开(公告)日：2016-09-29

申请号：US15178769

申请日：2016-06-10

申请人： FUJIFILM Corporation ,  JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS ,  THE UNIVERSITY OF TOKYO

发明人： Kohei HIGASHI ,  Kazunari DOMEN ,  Jiro TSUKAHARA

IPC分类号： C25B1/00 ,  H01G9/20 ,  C25B1/04 ,  H01L31/032 ,  H01L31/05

CPC分类号： C25B1/003 ,  C25B1/04 ,  C25B9/08 ,  C25B15/02 ,  H01G9/20 ,  H01L31/0322 ,  H01L31/0326 ,  H01L31/0463 ,  H01L31/0504 ,  H01L31/0749 ,  Y02E10/541 ,  Y02E60/368 ,  Y02P70/521

摘要： A water electrolysis system decomposes an aqueous electrolyte solution into hydrogen and oxygen using light. The water electrolysis system includes a plurality of photoelectric conversion units that have at least one photoelectric conversion element and receive light to generate electrical energy, and a plurality of electrolyte cells in which hydrogen gas and oxygen gas are generated by electrolyzing the aqueous electrolyte solution using the electrical energy obtained by the photoelectric conversion units. The photoelectric conversion units and the electrolyte cells are electrically connected in series. The electrolyte cells are arranged between the photoelectric conversion units, and the photoelectric conversion units or the electrolyte cells located at respective ends in an arrangement state are electrically connected together.

摘要翻译： 水电解系统使用光将电解质水溶液分解成氢和氧。 水电解系统包括具有至少一个光电转换元件并接收光以产生电能的多个光电转换单元，以及多个电解质电池，其中通过使用该电解质电解电解含水电解质溶液而产生氢气和氧气 由光电转换单元获得的电能。 光电转换单元和电解质电池串联电连接。 电解质电池被布置在光电转换单元之间，位于各端的光电转换单元或电解质单元电连接在一起。

公开(公告)号：US20190323134A1

公开(公告)日：2019-10-24

申请号：US16438008

申请日：2019-06-11

申请人： FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process ,  THE UNIVERSITY OF TOKYO

发明人： Yusuke ASAKURA ,  Kazunari DOMEN ,  Taro YAMADA ,  Hiroyuki KOBAYASHI ,  Hiroshi NISHIYAMA

IPC分类号： C25B11/04 ,  C25B1/04 ,  B01J27/24 ,  B01J35/00 ,  C23C16/30

摘要： The present invention has an object to provide a photocatalyst electrode for oxygen generation having excellent photocurrent density, a production method for a photocatalyst electrode for oxygen generation and a module, and the photocatalyst electrode for oxygen generation of the present invention includes a current collector layer and a photocatalyst layer containing Ta3N5, wherein the photocatalyst electrode for oxygen generation has a charge separation promotion layer between the current collector layer and the photocatalyst layer.

公开(公告)号：US20170362721A1

公开(公告)日：2017-12-21

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

发明人： Kazunari DOMEN ,  Takashi HISATOMI ,  Tsutomu MINEGISHI ,  Chizhong WANG ,  Chisato KATAYAMA

IPC分类号： C25B11/04 ,  C25B1/00 ,  C23C14/58 ,  C23C14/16 ,  B01J19/12 ,  C23C14/00 ,  C01B13/02 ,  C01B3/04 ,  C25B1/04 ,  C23C14/34

CPC分类号： C25B11/0405 ,  B01J19/123 ,  B01J19/127 ,  B01J19/128 ,  B01J23/8476 ,  B01J27/24 ,  B01J35/002 ,  B01J35/004 ,  B01J37/0211 ,  B01J37/0244 ,  B01J37/06 ,  B01J37/12 ,  B01J37/20 ,  B01J37/347 ,  B01J2219/0877 ,  B01J2219/0892 ,  B01J2219/1203 ,  B01J2523/00 ,  C01B3/042 ,  C01B13/0207 ,  C23C14/0005 ,  C23C14/165 ,  C23C14/3464 ,  C23C14/5853 ,  C23C14/586 ,  C25B1/003 ,  C25B1/04 ,  C25B11/0478 ,  Y02E60/364 ,  Y02E60/366 ,  B01J2523/41 ,  B01J2523/57 ,  B01J2523/845

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：US20170183787A1

公开(公告)日：2017-06-29

申请号：US15455983

申请日：2017-03-10

申请人： FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process ,  THE UNIVERSITY OF TOKYO ,  TOKYO UNIVERSITY OF SCIENCE FOUNDATION

发明人： Chisato KATAYAMA ,  Kazunari DOMEN ,  Akihiko KUDO ,  Ryo NIISHIRO ,  Yongbo KUANG ,  Masaharu YAMAGUCHI ,  Koichiro UEDA

IPC分类号： C25B11/04 ,  C25B1/00 ,  C25B1/04 ,  B01J35/00

CPC分类号： C25B11/0405 ,  B01J21/063 ,  B01J23/002 ,  B01J23/007 ,  B01J23/10 ,  B01J23/14 ,  B01J23/20 ,  B01J23/22 ,  B01J23/8437 ,  B01J23/89 ,  B01J27/24 ,  B01J35/0033 ,  B01J35/004 ,  B01J35/023 ,  B01J37/0215 ,  B01J2523/00 ,  C25B1/003 ,  C25B1/04 ,  C25B9/06 ,  C25B11/0452 ,  Y02E60/364 ,  Y02E60/366 ,  B01J2523/47 ,  B01J2523/53 ,  B01J2523/822 ,  B01J2523/845 ,  B01J2523/24 ,  B01J2523/25 ,  B01J2523/56 ,  B01J2523/54 ,  B01J2523/55

摘要： The present invention is to provide a photocatalyst electrode for water decomposition exhibiting a high photocurrent density and having reduced dark current. The photocatalyst electrode for water decomposition of the present invention has a photocatalyst layer and a current collector layer that is formed by a vapor deposition method and is disposed on the photocatalyst layer.

公开(公告)号：US20160281242A1

公开(公告)日：2016-09-29

申请号：US15178962

申请日：2016-06-10

申请人： FUJIFILM Corporation ,  JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS ,  THE UNIVERSITY OF TOKYO

发明人： Naotoshi SATO ,  Kazunari DOMEN ,  Jiro TSUKAHARA

IPC分类号： C25B1/00 ,  C25B9/08 ,  C25B11/04 ,  H01L31/042 ,  H01L31/072 ,  H01L31/0749 ,  H01L31/032 ,  C25B1/10 ,  C25B15/08

CPC分类号： C25B1/003 ,  C25B1/04 ,  C25B1/10 ,  C25B9/08 ,  C25B11/0447 ,  C25B11/0452 ,  C25B15/02 ,  C25B15/08 ,  H01L31/0322 ,  H01L31/0326 ,  H01L31/042 ,  H01L31/0465 ,  H01L31/072 ,  H01L31/0749 ,  Y02E10/541 ,  Y02E60/368 ,  Y02P70/521

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.

摘要翻译： 提供了一种人造光合作用模块，其通过光将水性电解质溶液分解成氢和氧，包括接收光以产生电能的光电转换单元; 使用所述光电转换单元的电能分解所述水性电解液的氢气产生部，生成氢气; 以及使用光电转换单元的电能分解水性电解液的氧气发生部，生成氧气。 光电转换单元，氢气产生部分和氧气产生部分串联电连接，并且氢气产生部分和氧气产生部分被布置在供给电解质水溶液的电解室内。 氢气产生部件具有具有pn结的无机半导体膜。

公开(公告)号：US20160193596A1

公开(公告)日：2016-07-07

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

发明人： Takashi HISATOMI ,  Kazunari DOMEN ,  Chisato KATAYAMA

IPC分类号： B01J35/00 ,  C01B3/04 ,  B01J37/08 ,  B01J27/24 ,  B01J37/04

CPC分类号： B01J35/004 ,  B01J23/20 ,  B01J23/75 ,  B01J27/24 ,  B01J35/002 ,  B01J37/04 ,  B01J37/08 ,  C01B3/04 ,  C01B3/042 ,  C01B13/0207 ,  C23C8/24 ,  Y02E60/364

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.

摘要翻译： 本发明提供一种水分解用光催化剂，其包含氮氧化铌钡并且显示出优异的水分解性能及其制备方法和水分解光电极。 本发明的水分解用光催化剂是水分解用光催化剂，包括光学半导体和由光学半导体支持的促进剂，其中光学半导体包括氮化铌铌，并且该促进剂包括选自以下的至少一种物质： 由钴氧化物和金属钴组成的组。

公开(公告)号：US20220090278A1

公开(公告)日：2022-03-24

申请号：US17544166

申请日：2021-12-07

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 foe 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.