公开(公告)号：US10109866B2

公开(公告)日：2018-10-23

申请号：US15309242

申请日：2015-05-15

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Naho Mizuhara ,  Takahiro Higashino ,  Yohei Noda

IPC: H01M8/02 ,  H01M8/00 ,  B01D53/94 ,  H01M8/12 ,  B01D53/92 ,  H01M8/0245 ,  H01M8/0232 ,  B01D53/32

Abstract: 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.

公开(公告)号：US11545690B2

公开(公告)日：2023-01-03

申请号：US16767747

申请日：2018-11-16

Applicant: Kyoto University ,  SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Takahiro Higashino ,  Yohei Noda ,  Chihiro Hiraiwa ,  Naho Mizuhara ,  Mitsuyasu Ogawa ,  Hiromasa Tawarayama ,  Masatoshi Majima ,  Tetsuya Uda ,  Donglin Han ,  Takayuki Onishi

IPC: H01M4/02 ,  H01M8/1246 ,  C25B1/04 ,  H01B1/08 ,  H01B1/12 ,  H01M4/88

Abstract: 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

公开(公告)号：US10734665B2

公开(公告)日：2020-08-04

申请号：US15752389

申请日：2016-08-05

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD. ,  KYOTO UNIVERSITY

Inventor： Takahiro Higashino ,  Kazunari Miyamoto ,  Yohei Noda ,  Chihiro Hiraiwa ,  Naho Mizuhara ,  Hiromasa Tawarayama ,  Hisao Takeuchi ,  Masatoshi Majima ,  Tetsuya Uda ,  Donglin Han

IPC: 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

Abstract: 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

公开(公告)号：US10374243B2

公开(公告)日：2019-08-06

申请号：US15127797

申请日：2015-02-23

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Takahiro Higashino ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Naho Mizuhara ,  Kazuki Okuno ,  Chihiro Hiraiwa ,  Yohei Noda ,  Masahiro Kato

IPC: H01M8/0637 ,  H01M4/90 ,  H01M8/0232 ,  H01M8/0245 ,  H01M8/124

Abstract: 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.

公开(公告)号：US10050295B2

公开(公告)日：2018-08-14

申请号：US14387635

申请日：2013-03-26

Applicant: Sumitomo Electric Industries, Ltd. ,  Kyoto University

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Atsushi Yamaguchi ,  Naho Mizuhara ,  Tetsuya Uda ,  Yohei Noda

IPC: H01M8/12 ,  H01M8/1253 ,  C04B35/48 ,  H01M4/90 ,  H01B1/12 ,  C04B35/486 ,  C04B35/626 ,  H01M4/88 ,  H01M8/124

Abstract: Provided is a solid electrolyte laminate comprising a solid electrolyte layer having proton conductivity and a cathode electrode layer laminated on one side of the solid electrolyte layer and made of lanthanum strontium cobalt oxide (LSC). Also provided is a method for manufacturing the solid electrolyte. This solid electrolyte laminate can further comprise an anode electrode layer made of nickel-yttrium doped barium zirconate (Ni—BZY). This solid electrolyte laminate is suitable for a fuel cell operating in an intermediate temperature range less than or equal to 600° C.

公开(公告)号：US20150044596A1

公开(公告)日：2015-02-12

申请号：US14387635

申请日：2013-03-26

Applicant: Sumitomo Electric Industries, Ltd. ,  Kyoto University

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Atsushi Yamaguchi ,  Naho Mizuhara ,  Tetsuya Uda ,  Yohei Noda

IPC: H01M8/12 ,  H01M4/90

CPC classification number: H01M8/1253 ,  C04B35/48 ,  C04B35/486 ,  C04B35/6261 ,  C04B2235/3215 ,  C04B2235/3225 ,  C04B2235/761 ,  C04B2235/786 ,  C04B2235/9607 ,  H01B1/122 ,  H01M4/881 ,  H01M4/8882 ,  H01M4/8889 ,  H01M4/9025 ,  H01M4/9033 ,  H01M8/12 ,  H01M2008/1293 ,  H01M2300/0071 ,  Y02E60/525 ,  Y02P70/56

Abstract: Provided is a solid electrolyte laminate comprising a solid electrolyte layer having proton conductivity and a cathode electrode layer laminated on one side of the solid electrolyte layer and made of lanthanum strontium cobalt oxide (LSC). Also provided is a method for manufacturing the solid electrolyte. This solid electrolyte laminate can further comprise an anode electrode layer made of nickel-yttrium doped barium zirconate (Ni—BZY). This solid electrolyte laminate is suitable for a fuel cell operating in an intermediate temperature range less than or equal to 600° C.

Abstract translation: 本发明提供一种固体电解质层叠体，其包含具有质子传导性的固体电解质层和层叠在固体电解质层的一面上并由氧化镧锶钴氧化物（LSC）构成的阴极电极层。 还提供了制造固体电解质的方法。 该固体电解质层压体还可以包括由掺杂了镍 - 钇的锆酸钡（Ni-BZY）制成的阳极电极层。 该固体电解质层压板适用于在小于或等于600℃的中间温度范围内工作的燃料电池。

公开(公告)号：US10553880B2

公开(公告)日：2020-02-04

申请号：US15743851

申请日：2016-07-08

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Naho Mizuhara ,  Takahiro Higashino ,  Yohei Noda ,  Kazunari Miyamoto ,  Toshihiro Yoshida

IPC: H01M8/02 ,  H01M8/12 ,  H01M8/0232 ,  H01M8/1213 ,  C25B9/08 ,  H01M8/0241 ,  C25B11/03 ,  H01M8/0245 ,  C25B1/10 ,  H01M8/1231 ,  H01M8/124 ,  H01M4/90 ,  H01M8/1253

Abstract: 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

公开(公告)号：US10193161B2

公开(公告)日：2019-01-29

申请号：US15526831

申请日：2015-07-21

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yohei Noda ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Naho Mizuhara ,  Chihiro Hiraiwa ,  Takahiro Higashino

IPC: H01M4/88 ,  H01M8/12 ,  H01M4/86 ,  H01M8/02 ,  H01M4/90 ,  H01M8/124

Abstract: A method for producing an anode capable of increasing output of a solid oxide fuel cell is provided. The method for producing an anode for a solid oxide fuel cell includes a first step of shaping a mixture that contains a perovskite oxide having proton conductivity and a nickel compound and a second step of firing a shaped product, which has been obtained in the first step, in an atmosphere containing 50% by volume or more of oxygen at 1100° C. to 1350° C. so as to generate an anode.

公开(公告)号：US10573904B2

公开(公告)日：2020-02-25

申请号：US15743823

申请日：2016-07-08

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Naho Mizuhara ,  Takahiro Higashino ,  Yohei Noda ,  Kazunari Miyamoto ,  Toshihiro Yoshida

IPC: H01M8/02 ,  H01M8/12 ,  H01M8/0232 ,  C25B11/03 ,  C25B1/10 ,  C25B9/20 ,  H01M8/0245 ,  H01M8/0247 ,  H01M8/1246 ,  H01M8/124

Abstract: 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.

公开(公告)号：US10431840B2

公开(公告)日：2019-10-01

申请号：US15322537

申请日：2015-06-23

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Chihiro Hiraiwa ,  Masatoshi Majima ,  Hiromasa Tawarayama ,  Takahiro Higashino ,  Yohei Noda ,  Naho Mizuhara ,  Tatsumi Ishihara

IPC: H01M8/1213 ,  H01M4/86 ,  H01M8/12 ,  H01M4/88 ,  H01M8/02 ,  H01M4/90 ,  H01M8/0232 ,  H01M8/0245 ,  H01M8/0297 ,  H01M8/2432 ,  H01M8/0234

Abstract: 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.