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公开(公告)号：US11545690B2
公开(公告)日：2023-01-03
申请号：US16767747
申请日：2018-11-16
发明人： Takahiro Higashino , Yohei Noda , Chihiro Hiraiwa , Naho Mizuhara , Mitsuyasu Ogawa , Hiromasa Tawarayama , Masatoshi Majima , Tetsuya Uda , Donglin Han , Takayuki Onishi
摘要： A proton conductor contains a metal oxide that has a perovskite structure and that is represented by formula (1): AxB1-yMyO3-δ, where an element A is at least one element selected from the group consisting of Ba, Ca, and Sr, an element B is at least one element selected from the group consisting of Ce and Zr, an element M is at least one element selected from the group consisting of Y, Yb, Er, Ho, Tm, Gd, In, and Sc, δ indicates an oxygen deficiency amount, and 0.95≤x≤1 and 0
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公开(公告)号：US10734665B2
公开(公告)日：2020-08-04
申请号：US15752389
申请日：2016-08-05
发明人： Takahiro Higashino , Kazunari Miyamoto , Yohei Noda , Chihiro Hiraiwa , Naho Mizuhara , Hiromasa Tawarayama , Hisao Takeuchi , Masatoshi Majima , Tetsuya Uda , Donglin Han
IPC分类号： B32B18/00 , C04B35/488 , C04B35/50 , C04B35/505 , C04B35/626 , C04B35/634 , C04B35/636 , C04B35/638 , H01M8/1253 , H01M4/90 , H01M8/1213 , H01M8/0258 , H01M8/124
摘要： A method for producing a cell structure includes: a step of firing a laminated body of a layer containing an anode material and a layer containing a solid electrolyte material, to obtain a joined body of an anode and a solid electrolyte layer; a step of laminating a layer containing a cathode material on a surface of the solid electrolyte layer, and firing the obtained laminated body to obtain a cathode. The anode material contains a metal oxide Ma1 and a nickel compound. The metal oxide Ma1 is a metal oxide having a perovskite structure represented by A1x1B11-y1M1y1O3-δ (wherein: A1 is at least one of Ba, Ca, and Sr; B1 is at least one of Ce and Zr; M1 is at least one of Y, Yb, Er, Ho, Tm, Gd, In, and Sc; 0.85≤x1≤0.99; 0
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公开(公告)号：US12074349B2
公开(公告)日：2024-08-27
申请号：US16971786
申请日：2019-01-09
IPC分类号： H01M8/0232 , H01M8/0247 , H01M8/12 , B22F3/11
CPC分类号： H01M8/0232 , H01M8/0247 , H01M8/12 , B22F3/11 , B22F3/1103 , H01M2008/1293
摘要： A metal porous body having a frame of a three-dimensional network structure, the frame being formed of a plurality of bone members connected to each other, the plurality of bone members defining openings in a surface of the metal porous body, the plurality of bone members defining voids inside the metal porous body, the openings and the voids communicating with each other, a porosity being from 1 volume % to 55 volume %, a density being from 3 g/cm3 to 10 g/cm3.
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公开(公告)号：US10374243B2
公开(公告)日：2019-08-06
申请号：US15127797
申请日：2015-02-23
发明人： Takahiro Higashino , Masatoshi Majima , Hiromasa Tawarayama , Naho Mizuhara , Kazuki Okuno , Chihiro Hiraiwa , Yohei Noda , Masahiro Kato
IPC分类号： H01M8/0637 , H01M4/90 , H01M8/0232 , H01M8/0245 , H01M8/124
摘要： Provided is a porous current collector which is used for a fuel electrode and has a high gas reforming function and high durability. A porous current collector 9 is provided adjacent to a fuel electrode 4 of a fuel cell 101 that includes a solid electrolyte layer 2, the fuel electrode 4 disposed on one side of the solid electrolyte layer, and an air electrode 3 disposed on the other side. The porous current collector includes a porous metal body 1 and a first catalyst 20. The porous metal body has an alloy layer 12a at least on a surface thereof, the alloy layer containing nickel (Ni) and tin (Sn). The first catalyst, which is in the form of particles, is supported on a surface of the alloy layer, the surface facing pores of the porous metal body, and is capable of processing a carbon component contained in a fuel gas that flows inside the pores.
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公开(公告)号：US11938471B2
公开(公告)日：2024-03-26
申请号：US17265909
申请日：2019-06-21
发明人： Chihiro Hiraiwa , Naho Mizuhara , Mitsuyasu Ogawa , Takahiro Higashino , Hiromasa Tawarayama , Masatoshi Majima , Yoshitaka Ogasawara
CPC分类号： B01J37/0244 , B01J23/462 , B01J23/75 , B01J23/755 , B01J35/1066 , B01J35/1071 , B01J35/1076 , B01J37/0018 , C01B3/38 , C01B2203/0233 , C01P2006/16
摘要： A metal porous body has a skeleton of a three-dimensional network structure, an outer layer portion of the skeleton having a second pore smaller in size than a first pore formed by the skeleton, wherein the outer layer portion is a metal layer, and a water vapor reforming catalyst is supported in the outer layer portion.
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公开(公告)号：US11888185B2
公开(公告)日：2024-01-30
申请号：US17051826
申请日：2019-04-25
发明人： Chihiro Hiraiwa , Takahiro Higashino , Masatoshi Majima , Hiromasa Tawarayama , Mitsuyasu Ogawa
IPC分类号： H01M8/0232 , H01M8/0245 , H01M8/0637 , H01M8/12 , H01M8/0247
CPC分类号： H01M8/0232 , H01M8/0245 , H01M8/0247 , H01M8/0637 , H01M8/12 , H01M2008/1293
摘要： A fuel cell includes a cell structure, an oxidizing agent flow path, a fuel flow path, and an anode-side current collector. The cell structure includes a cathode, an anode, and a solid electrolyte layer disposed between the cathode and the anode. The oxidizing agent flow path is formed adjacent to the cathode and away from the solid electrolyte layer. The oxidizing agent flow path is a flow path for supplying a gas that contains an oxidizing agent to the cathode. The fuel flow path is formed adjacent to the anode and away from the solid electrolyte layer. The fuel flow path is a flow path for supplying a fuel gas that contains water vapor and a hydrocarbon to the anode. The anode-side current collector is disposed adjacent to the anode and away from the solid electrolyte layer. The anode-side current collector is in contact with the anode.
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公开(公告)号：US10693143B2
公开(公告)日：2020-06-23
申请号：US16073380
申请日：2017-01-23
发明人： Chihiro Hiraiwa , Takahiro Higashino , Hiromasa Tawarayama , Masatoshi Majima , Toshihiro Yoshida , Kazunari Miyamoto
IPC分类号： H01M4/88 , H01M8/1213 , H01M8/1246 , H01M8/0258 , H01M4/86 , H01M8/2425 , H01M8/2483 , H01M8/0247 , H01M8/124
摘要： A fuel cell includes a cell structure including a first electrode, a second electrode, and an electrolyte layer, a gas diffusion layer disposed adjacent to the first electrode, and a gas channel plate disposed adjacent to the gas diffusion layer, in which the gas diffusion layer is formed of a porous metal body having a three-dimensional mesh-like skeleton, the gas channel plate includes a first region including a first channel, a second region including a second channel, and a third region including a third channel, the first channel includes a slit extending from the center of the gas channel plate toward its outer edge at the boundary surface between the first region and the second region, letting the total area of the first channel at the boundary surface be a first opening area S1, letting the total area of the second channel at the boundary surface between the second region and the third region be a second opening area S2, and letting the total area of the third channel at the boundary surface between the third region and the gas diffusion layer be a third opening area S3, the relationship S2
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公开(公告)号：US10109866B2
公开(公告)日：2018-10-23
申请号：US15309242
申请日：2015-05-15
发明人： Chihiro Hiraiwa , Masatoshi Majima , Hiromasa Tawarayama , Naho Mizuhara , Takahiro Higashino , Yohei Noda
IPC分类号： H01M8/02 , H01M8/00 , B01D53/94 , H01M8/12 , B01D53/92 , H01M8/0245 , H01M8/0232 , B01D53/32
摘要： A gas decomposition device 100 includes one or two or more membrane electrode assemblies 5, each including a solid electrolyte layer 2, an anode layer 3 stacked on a first side of the solid electrolyte layer 2, and a cathode layer 4 stacked on a second side of the solid electrolyte layer; and porous current collectors 8a, 8b, and 8c including continuous pores 1b, the membrane electrode assemblies being stacked with the porous current collector, the solid electrolyte layer being composed of a proton-conducting solid electrolyte, the porous current collectors including porous metal bodies 1, each of the porous metal bodies 1 including an alloy layer 12a having corrosion resistance on at least a surface of the porous metal body 1 facing the continuous pores, and the porous metal bodies forming gas channels 9a, 9b, and 9c that supply gases to the anode layer and the cathode layer.
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公开(公告)号：US11466343B2
公开(公告)日：2022-10-11
申请号：US16970992
申请日：2018-12-06
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
发明人： Kazuki Okuno , Takahiro Higashino , Hiromasa Tawarayama , Masatoshi Majima , Haruki Masumura , Yoshiyuki Kuroda , Shigenori Mitsushima
摘要： A metal porous body having a three-dimensional network structure, includes: a framework forming the three-dimensional network structure; and a coating layer having fine pores and coating the framework, the three-dimensional network structure including a rib and a node connecting a plurality of ribs, the framework including an alkali-resistant first metal, the fine pores having an average fine pore diameter of 10 nm or more and 1 μm or less, the coating layer including an alkali-resistant second metal and optionally including an alkali-soluble metal, the alkali-soluble metal being contained at a proportion of 0% by mass or more and 30% by mass or less with reference to a total mass of the framework and the coating layer.
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公开(公告)号：US10573904B2
公开(公告)日：2020-02-25
申请号：US15743823
申请日：2016-07-08
发明人： Chihiro Hiraiwa , Masatoshi Majima , Hiromasa Tawarayama , Naho Mizuhara , Takahiro Higashino , Yohei Noda , Kazunari Miyamoto , Toshihiro Yoshida
IPC分类号： H01M8/02 , H01M8/12 , H01M8/0232 , C25B11/03 , C25B1/10 , C25B9/20 , H01M8/0245 , H01M8/0247 , H01M8/1246 , H01M8/124
摘要： A fuel cell includes a MEA that includes a cathode, an anode, and a solid electrolyte layer disposed between the cathode and the anode, the solid electrolyte layer containing an ion-conducting solid oxide; at least one first porous metal body adjacent to at least one of the cathode and the anode and having a three-dimensional mesh-like skeleton; a second porous metal body stacked to be adjacent to the first porous metal body and having a three-dimensional mesh-like skeleton; and an interconnector adjacent to the second porous metal body. The first porous metal body has a pore size smaller than a pore size of the second porous metal body.
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