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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: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: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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4.
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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5.
公开(公告)号:US20180205105A1
公开(公告)日:2018-07-19
申请号:US15743289
申请日:2016-07-08
发明人: Hisao TAKEUCHI , Takashi MATSUURA , Naho MIZUHARA , Chihiro HIRAIWA , Tomoyuki AWAZU , Masatoshi MAJIMA
IPC分类号: H01M8/1253 , H01M8/126 , H01M4/86 , H01M4/88
CPC分类号: H01M8/1253 , H01M4/8668 , H01M4/8835 , H01M4/9033 , H01M8/126 , H01M2004/8684 , H01M2004/8689 , H01M2008/1293 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要: An electrolyte layer-anode composite member for a fuel cell includes a solid electrolyte layer containing an ionically conductive metal oxide M1, a first anode layer containing an ionically conductive metal oxide M2 and nickel oxide, and a second anode layer interposed between the solid electrolyte layer and the first anode layer and containing an ionically conductive metal oxide M3 and nickel oxide. A volume content Cn1 of the nickel oxide in the first anode layer and a volume content Cn2 of the nickel oxide in the second anode layer satisfy the relation Cn1
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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:US20210213430A1
公开(公告)日:2021-07-15
申请号:US17056018
申请日:2019-05-22
IPC分类号: B01J23/89 , B01J23/755 , B01J23/20 , C01B3/40 , H01M8/0612
摘要: A steam reforming catalyst that promotes production of hydrogen from a gas containing a hydrocarbon in the presence of steam includes a carrier and two or more catalyst metals supported on the carrier and including a first metal and a second metal. The first metal includes Ni, the second metal includes at least one of Co and Ru, and the carrier is represented by LaNbO4 or La1-xSrxNbO4 where x is in a range of 0
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公开(公告)号:US20210013534A1
公开(公告)日:2021-01-14
申请号:US16977235
申请日:2019-02-14
发明人: Chihiro HIRAIWA , Naho MIZUHARA , Mitsuyasu OGAWA , Hiromasa TAWARAYAMA , Takahiro HIGASHINO , Masatoshi MAJIMA
IPC分类号: H01M8/1213 , H01M4/90 , H01M8/1246 , C01G25/00
摘要: An electrolyte layer-anode composite member includes an anode including a first metal oxide having a perovskite crystal structure, and a solid electrolyte layer including a second metal oxide having a perovskite crystal structure, the anode including at least one of nickel and a nickel compound, the anode having a sheet-like shape, the solid electrolyte layer having a sheet-like shape, the solid electrolyte layer being stacked on the anode, the anode having a thickness Ta of 850 μm or more. The thickness Ta of the anode and a thickness Te of the solid electrolyte layer may satisfy a relation of 0.003≤Te/Ta≤0.036. The thickness Ta of the anode and a diameter Da of the anode may satisfy a relation of 55≤Ta/Da≤300.
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公开(公告)号:US20210005913A1
公开(公告)日:2021-01-07
申请号:US16977198
申请日:2019-02-15
IPC分类号: H01M8/1213 , H01M4/86 , H01M4/90 , H01M8/0258
摘要: Provided is an electrolyte layer-anode composite member for a fuel cell, the electrolyte layer-anode composite member including an anode and a solid electrolyte layer having ion conductivity, the anode being an aggregate of granules including a composite metal, the composite metal including a nickel element and an iron element, the granules including a plurality of pores, the composite metal accounting for 80% by mass or more of the anode, the anode having a bulk density of 75% or less of a real density of the composite metal. Also provided is a cell structure including the electrolyte layer-anode composite member for a fuel cell described above, and a cathode arranged on a side of the solid electrolyte layer.
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