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公开(公告)号:US20190006692A1
公开(公告)日:2019-01-03
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: H01M8/1253 , H01M8/0258 , H01M4/90 , H01M8/1213
CPC分类号: H01M8/1253 , B32B18/00 , C04B35/488 , C04B35/50 , C04B35/505 , C04B35/6262 , C04B35/63416 , C04B35/6365 , C04B35/638 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3279 , C04B2235/656 , C04B2235/768 , C04B2235/80 , C04B2237/34 , H01M4/9033 , H01M8/0258 , H01M8/1213 , H01M2008/1293 , H01M2300/0077 , Y02P70/56
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:US20210005916A1
公开(公告)日:2021-01-07
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
IPC分类号: H01M8/1246 , H01M4/88 , H01B1/08 , C25B1/04 , H01B1/12
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:US20180375114A1
公开(公告)日:2018-12-27
申请号:US16061888
申请日:2016-12-16
发明人: Takahiro HIGASHINO , Yohei NODA , Kazunari MIYAMOTO , Chihiro HIRAIWA , Naho MIZUHARA , Hiromasa TAWARAYAMA , Hisao TAKEUCHI , Masatoshi MAJIMA , Tetsuya UDA , Donglin HAN , Takayuki ONISHI , Yuki OTANI
IPC分类号: H01M8/0232 , H01M8/0217 , H01M8/0245 , H01M8/10 , H01M4/90 , H01M4/88 , C01G25/00 , H01B1/02 , H01B1/08
摘要: A proton conductor contains a metal oxide having a perovskite structure and represented by AaBbMcO3-δ (wherein: A is at least one of Ba, Ca, and Sr; B is at least one of Ce and Zr; M is at least one of Y, Yb, Er, Ho, Tm, Gd, and Sc; 0.85≤a≤1; 0.5≤b
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公开(公告)号:US20180022655A1
公开(公告)日:2018-01-25
申请号:US15546304
申请日:2015-12-24
发明人: Masatoshi MAJIMA , Hiromasa TAWARAYAMA , Chihiro HIRAIWA , Takahiro HIGASHINO , Yohei NODA , Naho MIZUHARA , Tetsuya UDA , Donglin HAN
CPC分类号: C04B41/0072 , C04B41/009 , C04B41/80 , C25B1/10 , C25B9/00 , C25B13/04 , F04B37/18 , H01G4/1227 , H01G4/1236 , H01G4/30 , H01M8/02 , H01M8/12 , H01M8/1253 , H01M2008/1293 , Y02E60/366
摘要: A method for manufacturing a ceramic material includes a step of performing heat treatment in a reducing atmosphere on a ceramic material in which a metallic oxide is diffused in crystal grains, thereby to reduce the metallic oxide to deposit a metallic element at grain boundaries of the ceramic material.
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公开(公告)号:US20210066728A1
公开(公告)日:2021-03-04
申请号:US16977156
申请日:2019-02-15
发明人: Chihiro HIRAIWA , Mitsuyasu OGAWA , Naho MIZUHARA , Hiromasa TAWARAYAMA , Takahiro HIGASHINO , Masatoshi MAJIMA
IPC分类号: H01M4/90 , H01M8/126 , H01M8/1253 , C01G51/00
摘要: A cell structure includes a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode, the cathode being in the form of a sheet, the anode being in the form of a sheet, the solid electrolyte layer being in the form of a sheet, the solid electrolyte layer being disposed on the anode, the cathode being disposed on the solid electrolyte layer, the cathode having a resistance Rc, the anode and the solid electrolyte layer having a resistance Ra, the resistance Rc and the resistance Ra satisfying a relationship of Rc/Ra≥0.3, the cathode including a first metal oxide having a perovskite crystal structure, the cathode having a thickness larger than 15 μm and equal to or less than 30 μm.
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公开(公告)号:US20170133699A1
公开(公告)日:2017-05-11
申请号:US15322537
申请日:2015-06-23
发明人: Chihiro HIRAIWA , Masatoshi MAJIMA , Hiromasa TAWARAYAMA , Takahiro HIGASHINO , Yohei NODA , Naho MIZUHARA , Tatsumi ISHIHARA
IPC分类号: H01M8/1213 , H01M4/86
CPC分类号: H01M8/1213 , H01M4/86 , H01M4/8605 , H01M4/8621 , H01M4/8657 , H01M4/88 , H01M4/905 , H01M4/9075 , H01M8/02 , H01M8/0232 , H01M8/0234 , H01M8/0245 , H01M8/0297 , H01M8/12 , H01M8/2432 , H01M2004/8684 , Y02P70/56
摘要: Provided are a membrane electrode assembly, including a solid electrolyte layer, an anode layer provided on one side of the solid electrolyte layer, and a cathode layer provided on the other side of the solid electrolyte layer, the anode layer being stacked on the solid electrolyte layer to be pressed thereagainst, the anode layer including a porous anode member having electrical conductivity; and a method for manufacturing the same.
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公开(公告)号:US20200266451A1
公开(公告)日:2020-08-20
申请号:US16869536
申请日:2020-05-07
发明人: Chihiro HIRAIWA , Takahiro HIGASHINO , Hiromasa TAWARAYAMA , Masatoshi MAJIMA , Toshihiro YOSHIDA , Kazunari MIYAMOTO
IPC分类号: H01M4/88 , H01M8/0247 , H01M8/2483 , H01M8/2425 , H01M8/1246 , H01M8/1213 , H01M4/86 , H01M8/0258
摘要: A solid-oxide-electrolysis-cell-type hydrogen production apparatus 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:US20180205096A1
公开(公告)日:2018-07-19
申请号:US15743851
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: H01M8/0232 , H01M8/1213
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 arranged to oppose at least one of the cathode and the anode; and an interconnector arranged to oppose the first porous metal body and having a gas supply port and a gas discharge port formed therein. The first porous metal body includes a porous metal body S that opposes the gas supply port and has a three-dimensional mesh-like skeleton, and a porous metal body H that has a three-dimensional mesh-like skeleton and is other than the porous metal body S. A porosity Ps of the porous metal body S and a porosity Ph of the porous metal body H satisfy a relationship: Ps
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公开(公告)号:US20170098841A1
公开(公告)日:2017-04-06
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 , H01M8/0245 , H01M8/0232
CPC分类号: H01M8/0637 , H01M4/9058 , H01M8/0232 , H01M8/0245 , H01M2008/1293 , Y02E60/566
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:US20210119229A1
公开(公告)日:2021-04-22
申请号:US17251889
申请日:2020-04-06
发明人: Koma NUMATA , Masatoshi MAJIMA , Mitsuyasu OGAWA , Takahiro HIGASHINO , Kazuki OKUNO , Hiromasa TAWARAYAMA
摘要: A metal porous sheet includes a metal porous body having a skeleton with a three-dimensional network structure, and has a main surface in which a trench is formed. A depth of the trench is more than or equal to 10 percent of a thickness of the metal porous sheet. An area of the trench is more than or equal to 10 percent of an area of the main surface in a plan view.
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