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公开(公告)号：US11316184B2
公开(公告)日：2022-04-26
申请号：US16426617
申请日：2019-05-30
Inventor： Satoru Tamura , Takao Hayashi , Marine Fayolle , Yosuke Kitazawa
IPC: H01M8/18 , H01M8/04014 , H01M8/0612 , H01M8/1018 , H01M8/10
Abstract: A fuel cell system includes: a fuel cell that includes a cathode and an anode and generates electricity by reducing a mediator at the cathode; a regenerator that oxidizes, with an oxidant, the mediator reduced by the cathode; an oxidant feed path that is connected to the regenerator, wherein through the oxidant feed path, the oxidant to be supplied to the regenerator flows; a reformer; a combustor that heats the reformer; and a first heat exchanger that exchanges heat between combustion exhaust discharged from the combustor and the oxidant to be supplied to the regenerator.
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公开(公告)号：US09926633B2
公开(公告)日：2018-03-27
申请号：US14676734
申请日：2015-04-01
Inventor： Ryosuke Kikuchi , Takaiki Nomura , Kazuhito Hato , Satoru Tamura , Takahiro Kurabuchi
CPC classification number: C25B1/04 , C01B3/042 , C25B1/003 , C25B11/04 , C25B11/0478 , H01G9/20 , Y02E60/364 , Y02E60/368 , Y02P20/135
Abstract: The present invention provides a method for generating hydrogen by water splitting at a higher hydrogen generation efficiency. In the present method, used is a photoelectrochemical cell comprising a container, a liquid stored in the container, a semiconductor electrode contained in the container, and a counter electrode contained in the container. The semiconductor electrode comprises a first semiconductor layer, a light-transmissive conductor layer; and a second semiconductor layer.
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公开(公告)号：US09644276B2
公开(公告)日：2017-05-09
申请号：US14509361
申请日：2014-10-08
Inventor： Satoru Tamura , Kazuhito Hato , Takaiki Nomura , Takahiro Suzuki , Yoshihiro Kozawa , Ryosuke Kikuchi
IPC: C25B1/04 , C25B9/00 , C25B11/04 , H01L31/0687 , C25B1/00 , H01M8/0656 , H01M8/04082
CPC classification number: C25B1/003 , C25B1/04 , C25B11/0452 , C25B11/0478 , H01M8/04201 , H01M8/0656 , Y02E60/368 , Y02P20/135
Abstract: Provided is a semiconductor photoelectrode comprising a first conductive layer; a first n-type semiconductor layer disposed on the first conductive layer; and a second conductive layer covering the first n-type semiconductor layer. The first n-type semiconductor layer has a first n-type surface region and a second n-type surface region. The first n-type surface region is in contact with the first conductive layer. The second n-type surface region is in contact with the second conductive layer. The first n-type semiconductor layer is formed of at least one selected from the group consisting of a nitride semiconductor and an oxynitride semiconductor. The second conductive layer is light-transmissive. The second conductive layer is formed of a p-type oxide conductor.
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公开(公告)号：US11296333B2
公开(公告)日：2022-04-05
申请号：US16423219
申请日：2019-05-28
Inventor： Satoru Tamura , Marine Fayolle
IPC: H01M8/18 , H01M8/04014 , H01M8/0612 , H01M8/10
Abstract: A fuel cell system includes: a fuel cell that has a cathode and an anode and generates electricity by reducing a mediator at the cathode; a regenerator that oxidizes, with an oxidant, the mediator reduced by the cathode; a reformer; a combustor that heats the reformer; and a heating medium path that heats the regenerator, wherein through the heating medium path, combustion exhaust discharged from the combustor or a heat medium heated through heat exchange with the combustion exhaust flows.
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Patent Agency Ranking
5.发明申请HYDROGEN PRODUCING DEVICE AND HYDROGEN PRODUCING UNIT AND ENERGY SYSTEM INCLUDING THE HYDROGEN PRODUCING DEVICE AND THE HYDROGEN PRODUCING UNIT 有权氢生产装置和氢生产单元和包括氢生产装置和氢生产单元的能源系统公开(公告)号：US20150072254A1
公开(公告)日：2015-03-12
申请号：US14391176
申请日：2013-12-24
Inventor： Takahiro Suzuki , Takaiki Nomura , Kazuhito Hato , Tatsuo Fujita , Satoru Tamura , Yoshihiro Kozawa
CPC classification number: H01M8/0656 , C25B1/003 , C25B1/04 , C25B9/18 , C25B15/08 , H01M8/04089 , H01M8/04201 , H01M8/10 , H01M2008/1095 , Y02E60/364 , Y02E60/366
Abstract: In a hydrogen producing device, an electrolyte flow path between a plurality of hydrogen producing cells is disposed in a hydrogen production side and in an oxygen production side, separately. Further, an electrolyte flow path is formed through which the electrolyte flows downward from the top between the plurality of hydrogen producing cells, and on the other hand the electrolyte flows upward from the bottom within each hydrogen producing cell. Moreover, a contact point with a produced gas or an atmosphere is provided in a pathway of the electrolyte flow path.
Abstract translation: 在氢制造装置中，分别在氢制造侧和氧制造侧配置多个制氢单元之间的电解液流路。 此外，形成电解质流动路径，电解质通过该电解质流动路径从多个氢产生单元之间的顶部向下流动，另一方面电解质在每个制氢单元内从底部向上流动。 此外，在电解质流路的路径中设置有产生气体或大气的接触点。
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公开(公告)号：US11211622B2
公开(公告)日：2021-12-28
申请号：US16426658
申请日：2019-05-30
Inventor： Marine Fayolle , Satoru Tamura , Yosuke Kitazawa , Takao Hayashi
IPC: H01M8/04701 , H01M8/04007 , H01M8/18
Abstract: A fuel cell system includes: a fuel cell that includes an anode and a cathode and generates electricity by reducing a mediator at the cathode; a regenerator that oxidizes the mediator reduced by the cathode; a first path that leads from the cathode to the regenerator and through which the mediator reduced by and discharged from the cathode is guided to the regenerator; a second path that leads from the regenerator to the cathode and through which the mediator oxidized at the regenerator is returned to the cathode; and a first heat exchanger that exchanges heat between a first fluid and a second fluid, the first fluid being a fluid flowing in the first path and containing the mediator reduced by cathode, and the second fluid being a fluid flowing in the second path and containing the mediator oxidized at the regenerator.
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公开(公告)号：US11165079B2
公开(公告)日：2021-11-02
申请号：US16426642
申请日：2019-05-30
Inventor： Marine Fayolle , Satoru Tamura , Yosuke Kitazawa , Takao Hayashi
IPC: H01M8/04 , H01M8/04701 , H01M8/04007 , H01M8/18 , H01M8/0612 , H01M8/04014
Abstract: A fuel cell system includes a fuel cell, a regenerator, an oxidant feed path, a gas discharge path, and a heat exchanger. The fuel cell includes an anode and a cathode and reduces a mediator with the cathode. The regenerator oxidizes, with an oxidant, the mediator reduced by the cathode. Through the oxidant feed path, the oxidant is guided to the regenerator. Through the gas discharge path, the gas present inside the regenerator is guided out of the regenerator. The heat exchanger heats the oxidant by exchanging heat between the oxidant flowing in the oxidant feed path and the gas flowing in the gas discharge path.
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公开(公告)号：US10047444B2
公开(公告)日：2018-08-14
申请号：US14810201
申请日：2015-07-27
Inventor： Satoru Tamura , Kazuhito Hato , Takaiki Nomura , Takahiro Kurabuchi , Yoshihiro Kozawa , Ryousuke Kikuchi
Abstract: Provided is a method for generating hydrogen. The method comprising (a) preparing a hydrogen generation device comprising a container, a photo-semiconductor electrode comprising a substrate, a light-blocking first conductive layer, and a first semiconductor photocatalyst layer, a counter electrode, a conductive wire for electrically connecting the first conductive layer to the counter electrode, and a liquid stored in the container, and (b) irradiating the first semiconductor photocatalyst layer with light to generate hydrogen on the counter electrode. The first conductive layer is interposed between the substrate and the first semiconductor photocatalyst layer. At least a part of the first semiconductor photocatalyst layer is in contact with the liquid. At least a part of the counter electrode is in contact with the liquid. The liquid is selected from the group consisting of an electrolyte aqueous solution and water. The substrate is formed of a resin.
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公开(公告)号：US09774052B2
公开(公告)日：2017-09-26
申请号：US14391176
申请日：2013-12-24
Inventor： Takahiro Suzuki , Takaiki Nomura , Kazuhito Hato , Tatsuo Fujita , Satoru Tamura , Yoshihiro Kozawa
IPC: C25B1/04 , C25B15/08 , H01M8/0656 , H01M8/10 , C25B9/18 , H01M8/04089 , C25B1/00 , H01M8/06 , H01M8/04082 , H01M8/1018
CPC classification number: H01M8/0656 , C25B1/003 , C25B1/04 , C25B9/18 , C25B15/08 , H01M8/04089 , H01M8/04201 , H01M8/10 , H01M2008/1095 , Y02E60/364 , Y02E60/366
Abstract: In a hydrogen producing device, an electrolyte flow path between a plurality of hydrogen producing cells is disposed in a hydrogen production side and in an oxygen production side, separately. Further, an electrolyte flow path is formed through which the electrolyte flows downward from the top between the plurality of hydrogen producing cells, and on the other hand the electrolyte flows upward from the bottom within each hydrogen producing cell. Moreover, a contact point with a produced gas or an atmosphere is provided in a pathway of the electrolyte flow path.
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