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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：US11996589B2
公开(公告)日：2024-05-28
申请号：US17270656
申请日：2019-07-25
IPC分类号： H01M8/0232 , H01M8/0241 , H01M8/0247 , H01M8/12
CPC分类号： H01M8/0232 , H01M8/0241 , H01M8/0247 , H01M8/12
摘要： A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.
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公开(公告)号：US11984627B2
公开(公告)日：2024-05-14
申请号：US17270600
申请日：2019-07-25
IPC分类号： H01M8/0662 , B01J20/04 , B01J20/28 , B01J20/32 , H01M8/0232 , H01M8/0245 , H01M8/0258 , H01M8/12
CPC分类号： H01M8/0662 , B01J20/041 , B01J20/28042 , B01J20/28054 , B01J20/28085 , B01J20/3204 , B01J20/3236 , H01M8/0232 , H01M8/0245 , H01M8/0258 , H01M8/12 , H01M2008/1293
摘要： Provided is a chromium adsorption material including: a porous body made of a metal material; and a chromium adsorbent carried inside pores of the porous body, wherein the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group consisting of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.
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公开(公告)号：US09853295B2
公开(公告)日：2017-12-26
申请号：US14912467
申请日：2014-08-05
IPC分类号： H01M4/90 , H01M4/86 , H01M4/88 , H01M8/1016 , H01M8/126 , H01M8/1213 , H01M8/1253
CPC分类号： H01M4/9041 , H01M4/8652 , H01M4/8657 , H01M4/8875 , H01M4/8885 , H01M4/8889 , H01M4/9066 , H01M8/1016 , H01M8/1213 , H01M8/1253 , H01M8/126 , H01M2300/0074 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： The present invention inexpensively provides an electrode material for a fuel electrode, the electrode material having CO2 resistance and being capable of forming a fuel cell having high electricity generation performance. An electrode material for a fuel electrode, the electrode material constituting a fuel electrode of a fuel cell including a proton-conductive solid electrolyte layer, includes a perovskite-type solid electrolyte component and a nickel (Ni) catalyst component, in which the solid electrolyte component includes a barium component, a zirconium component, a cerium component, and a yttrium component, and the mixture ratio of the zirconium component to the cerium component in the solid electrolyte component is set to be 1:7 to 7:1 in terms of molar ratio.
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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：US10811696B2
公开(公告)日：2020-10-20
申请号：US15750650
申请日：2016-07-28
摘要： A porous metal body including a skeleton having a three-dimensional mesh-like structure, the porous metal body having a plate-like overall shape. The skeleton has a hollow structure and includes a primary metal layer and at least one of a first microporous layer and a second microporous layer. The primary metal layer is composed of nickel or a nickel alloy. The first microporous layer contains nickel and chromium and is disposed on the outer peripheral surface of the primary metal layer. The second microporous layer contains nickel and chromium and is disposed on the inner peripheral surface of the primary metal layer, the inner peripheral surface facing the hollow space of the skeleton.
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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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