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公开(公告)号:US20220380916A1
公开(公告)日:2022-12-01
申请号:US17881114
申请日:2022-08-04
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Ryota KITAGAWA , Asahi MOTOSHIGE , Yoshitsune SUGANO , Masakazu YAMAGIWA , Jun TAMURA , Yuki KUDO , Akihiko ONO , Satoshi MIKOSHIBA
Abstract: An electrochemical reaction device in an embodiment includes: a reaction unit including a first accommodation part to accommodate carbon dioxide and a second accommodation part to accommodate an electrolytic solution containing water; a reduction electrode to reduce the carbon dioxide; an oxidation electrode to oxidize the water; a power supply to pass current between the reduction electrode and the oxidation electrode; a pressure regulator to regulate a pressure in the first accommodation part; a reaction product detector to detect at least one of an amount and a kind of a substance produced at the reduction electrode; and a controller to control the pressure regulator based on a detection signal of the reaction product detector.
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公开(公告)号:US20200002821A1
公开(公告)日:2020-01-02
申请号:US16559905
申请日:2019-09-04
Applicant: Kabushiki Kaisha Toshiba
Inventor: Akihiko ONO , Yuki KUDO , Ryota KITAGAWA , Masakazu YAMAGIWA , Jun TAMURA , Satoshi MIKOSHIBA , Yoshitsune SUGANO , Asahi MOTOSHIGE , Takayuki TSUKAGOSHI
Abstract: A carbon dioxide electrolytic device comprises: an electrolysis cell including a first electrode having a first catalyst to reduce carbon dioxide, a second electrode having a second catalyst to oxidize water or hydroxide ions, a first electrode flow path facing the first electrode, a second electrode flow path facing the second electrode, and a separator separating the first and second electrodes; a power controller; a first flow path through which the carbon dioxide flows; a second flow path through which the carbon compound flows; a third flow path through which an electrolytic solution containing the water flows; a fourth flow path through which the oxygen flows; a first valve to connect the first electrode flow path and the first flow path; a second valve to connect the first electrode flow path and the second flow path; a tank connected to the first electrode flow path and configured to store a rinse solution; and a controller programmed to control opening and closing of the first and second valves in accordance with performance requirements of the electrolysis cell.
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公开(公告)号:US20180274114A1
公开(公告)日:2018-09-27
申请号:US15694332
申请日:2017-09-01
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Akihiko ONO , Satoshi MIKOSHIBA , Yuki KUDO , Masakazu YAMAGIWA , Jun TAMURA , Yoshitsune SUGANO , Ryota KITAGAWA , Eishi TSUTSUMI , Asahi MOTOSHIGE , Takayuki TSUKAGOSHI
CPC classification number: C25B15/08 , C25B1/00 , C25B1/003 , C25B1/10 , C25B3/04 , C25B9/00 , C25B9/10 , C25B11/035 , Y02E60/366
Abstract: An electrochemical reaction device comprises: an anode to oxidize water; an electrolytic solution flow path facing on the anode and through which an electrolytic solution containing the water flows; a cathode including: a porous conductive layer having first and second surfaces; and a reduction catalyst layer having a third surface disposed on the first surface and containing a reduction catalyst to reduce carbon dioxide; a separator between the anode and the cathode; a power supply connected to the anode and the cathode; and a flow path plate including: a fourth surface on the second surface; and a flow path facing on the second surface and through which the carbon dioxide flows. A ratio of an area of an overlap of the second surface and the flow path to an area of the second surface is 0.5 or more and 0.85 or less.
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公开(公告)号:US20180265994A1
公开(公告)日:2018-09-20
申请号:US15694199
申请日:2017-09-01
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Masakazu YAMAGIWA , Yuki KUDO , Akihiko ONO , Satoshi MIKOSHIBA , Jun TAMURA , Ryota KITAGAWA , Yoshitsune GANO , Eishi TSUTSUMI , Asahi MOTOSHIGE , Takayuki TSUKAGOSHI
CPC classification number: C25B11/035 , C25B1/00 , C25B1/10 , C25B3/04 , C25B9/10 , C25B15/08 , Y02E60/366
Abstract: A cathode part of an electrochemical reaction device comprises a conductor, a porous body, a reduction catalyst, an electrolytic solution flow path, a first flow path, and a second flow path. The conductor has a conductive surface. The porous body includes a first surface, a second surface, a first porous portion, and a second porous portion. The first surface is in contact with the conductive surface. A contact angle between an inner wall of the second porous portion and water is higher than a contact angle between an inner wall of the first porous portion and the water. The reduction catalyst is supported on the second surface to reduce carbon dioxide. The electrolytic solution flow path faces the reduction catalyst. The first flow path faces the first porous portion. The second flow path faces the second porous portion.
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公开(公告)号:US20180073154A1
公开(公告)日:2018-03-15
申请号:US15445646
申请日:2017-02-28
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Arisa YAMADA , Satoshi MIKOSHIBA , Akihiko ONO , Yuki KUDO , Jun TAMURA , Ryota KITAGAWA , Eishi TSUTSUMI , Masakazu YAMAGIWA , Yoshitsune SUGANO , Asahi MOTOSHIGE , Tomohito IDE
CPC classification number: C25B11/0489 , B01J23/06 , B01J23/08 , B01J23/14 , B01J23/18 , B01J23/42 , B01J23/44 , B01J23/52 , B01J23/72 , B01J23/745 , B01J23/755 , B01J35/0013 , B01J35/0033 , B01J35/004 , B01J35/006 , B01J37/0219 , B01J37/0244 , C25B1/003 , C25B3/04 , C25B9/08
Abstract: The present embodiments provide: a reduction catalyst having high reaction efficiency, a reduction reactor including the same and a reduction method using the same. This catalyst includes a conductor and an organic layer comprises organic modifying groups capable of binding to the surface of the conductor, wherein the organic modifying groups contain a nitrogen-containing heterocycle.
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公开(公告)号:US20170268115A1
公开(公告)日:2017-09-21
申请号:US15616579
申请日:2017-06-07
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Akihiko ONO , Satoshi MIKOSHIBA , Ryota KITAGAWA , Jun TAMURA , Yuki KUDO , Chingchun HUANG
IPC: C25B1/00 , C25B1/10 , C25B3/04 , C25B11/04 , H01G9/20 , H01L31/0687 , H01L31/076 , C25B9/00 , C25B11/03
CPC classification number: C25B1/003 , C25B1/10 , C25B3/04 , C25B9/00 , C25B11/03 , C25B11/0405 , H01G9/20 , H01L31/0687 , H01L31/076 , Y02E10/544 , Y02E10/548 , Y02E60/366
Abstract: According to one embodiment, a photochemical reaction device comprises a laminated body and an ion transfer pathway. A laminated body comprises an oxidation catalyst layer for producing oxygen and protons by oxidizing water a reduction catalyst layer for producing carbon compounds by reducing carbon dioxide and a semiconductor layer formed between the oxidation catalyst layer and the reduction catalyst layer and developing charge separation with light energy. An ion transfer pathway moves ions between the oxidation catalyst layer side and the reduction catalyst layer side.
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公开(公告)号:US20170073827A1
公开(公告)日:2017-03-16
申请号:US15261030
申请日:2016-09-09
Applicant: Kabushiki Kaisha Toshiba
Inventor: Jun TAMURA , Satoshi MIKOSHIBA , Yuki KUDO , Akihiko ONO , Ryota KITAGAWA , Masakazu YAMAGIWA , Yoshitsune SUGANO
CPC classification number: C25B15/08 , B01D3/009 , B01D3/143 , B01D11/0488 , B01D11/0492 , C25B1/04 , C25B3/04 , C25B9/06 , Y02E60/366 , Y02P20/127
Abstract: A producing system of reduction product of carbon dioxide includes a chemical reaction apparatus including an oxidation reaction electrolytic bath and a reduction reaction electrolytic bath, the chemical reaction apparatus configured to generate a reduction product by reducing carbon dioxide, an electrolytic solution supply unit supplying an electrolytic solution to the reduction reaction electrolytic bath, a carbon dioxide supply unit configured to dissolve carbon dioxide into the electrolytic solution, the carbon dioxide supply unit serving to sustain a reduction reaction in the reduction reaction electrolytic bath, and a separation unit configured to separate the reduction product from the electrolytic solution.
Abstract translation: 二氧化碳还原产物的制造系统包括具有氧化反应电解槽和还原反应电解槽的化学反应装置,所述化学反应装置被配置为通过还原二氧化碳产生还原产物,提供电解质的电解液供给单元 还原反应电解槽的溶液,被配置为将二氧化碳溶解到电解液中的二氧化碳供给单元,用于维持还原反应电解槽中的还原反应的二氧化碳供给单元,以及分离单元, 产品来自电解液。
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公开(公告)号:US20170073822A1
公开(公告)日:2017-03-16
申请号:US15251767
申请日:2016-08-30
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Yuki KUDO , Satoshi MIKOSHIBA , Akihiko ONO , Jun TAMURA , Ryota KITAGAWA , Masakazu YAMAGIWA , Yoshitsune SUGANO
CPC classification number: C25B3/04 , C25B1/04 , C25B9/08 , C25B11/035 , Y02E60/366
Abstract: An electrolytic device of an embodiment has a solution or gas containing water and carbon dioxide, a first electrode oxidizing the water to produce oxygen, a second electrode and a third electrode reducing the carbon dioxide to produce a carbon compound, and a power supply applying current across the first electrode and the second and third electrodes. A composing material of the second electrode has an ionization tendency larger than a composing material of the third electrode. The third electrode mainly reduces the carbon dioxide to produce a first carbon compound, and the second electrode mainly reduces the first carbon compound to produce a second carbon compound.
Abstract translation: 实施方式的电解装置具有含有水和二氧化碳的溶液或气体,氧化水以产生氧的第一电极,第二电极和第三电极,还原二氧化碳以产生碳化合物,以及电源施加电流 跨越第一电极和第二和第三电极。 第二电极的构成材料具有大于第三电极的构成材料的电离倾向。 第三电极主要减少二氧化碳以产生第一碳化合物,第二电极主要还原第一碳化合物以产生第二碳化合物。
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公开(公告)号:US20160376717A1
公开(公告)日:2016-12-29
申请号:US15261446
申请日:2016-09-09
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor: Jun TAMURA , Satoshi MIKOSHIBA , Akihiko ONO , Yuki KUDO , Ryota KITAGAWA , Chingchun HUANG
CPC classification number: C25B11/0489 , C25B1/003 , C25B1/10 , C25B3/04 , C25B9/08 , Y02E60/366 , Y02P20/135
Abstract: According to one embodiment, an oxidation electrode includes: a collector; an oxidation catalyst formed on the collector; and a modified organic molecule which is bonded to the surface of the oxidation catalyst, and comprises a cationic functional group.
Abstract translation: 根据一个实施例,氧化电极包括:集电器; 形成在集电体上的氧化催化剂; 和与氧化催化剂的表面结合的改性有机分子,并且包含阳离子官能团。
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公开(公告)号:US20160108527A1
公开(公告)日:2016-04-21
申请号:US14978168
申请日:2015-12-22
Applicant: Kabushiki Kaisha Toshiba
Inventor: Yuki KUDO , Satoshi MIKOSHIBA , Akihiko ONO , Jun TAMURA , Ryota KITAGAWA , Chingchun HUANG
CPC classification number: C25B1/003 , C25B3/04 , C25B9/06 , C25B9/08 , C25B9/10 , C25B11/03 , Y02P20/135
Abstract: A photoelectrochemical reaction device of an embodiment includes a solution tank configured to contain a first solution, a stack accommodated in the solution tank, and including a first electrode, a second electrode formed below the first electrode, a photovoltaic layer formed between the first electrode and the second electrode and configured to perform charge separation by light energy from above, and a first insulating layer formed on an exposed surface of the second electrode, a tube accommodated in the solution tank, arranged above the first electrode, configured to contain a second solution, and including pores extending from an outer surface to an inner surface, and a wiring configured to electrically connect the second electrode and the tube.
Abstract translation: 一个实施方案的光电化学反应装置包括:溶液罐,其被配置为容纳第一溶液,容纳在溶液罐中的叠层,并且包括第一电极,形成在第一电极下面的第二电极,形成在第一电极和 所述第二电极被配置为通过来自上述的光能进行电荷分离,以及形成在所述第二电极的暴露表面上的第一绝缘层,设置在所述溶液罐中的管,被配置为容纳第二溶液 并且包括从外表面延伸到内表面的孔,以及被配置为电连接第二电极和管的配线。
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