公开(公告)号：US20160093910A1

公开(公告)日：2016-03-31

申请号：US14869772

申请日：2015-09-29

Applicant: TOTO LTD.

Inventor： Yasuo KAKINUMA ,  Osamu OKAMOTO ,  Shigeru ANDO ,  Hironobu MURAKAMI ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Naoki WATANABE ,  Shuhei TANAKA ,  Nobuo ISAKA ,  Takuya HOSHIKO ,  Masaki SATO

IPC: H01M8/24 ,  H01M8/10

CPC classification number: H01M8/241 ,  H01M8/0217 ,  H01M8/0226 ,  H01M8/1016 ,  H01M8/1246 ,  H01M8/2425 ,  H01M2008/1293 ,  H01M2300/0071 ,  Y02E60/525 ,  Y02P70/56

Abstract: There is provided a solid oxide fuel cell stack including a ceramic interconnector that has good electrical conductivity and oxide ion insulating property, that is, power generation efficiency. The solid oxide fuel cell stack includes at least: a plurality of power generation elements, each of which including a fuel electrode, a solid electrolyte, and an air electrode stacked in that order; and an interconnector that electrically connects the air electrode in one of adjacent power generation elements in the plurality of power generation elements to the fuel electrode in the other power generation element, the plurality of power generation elements being connected in series, wherein the interconnector is formed of formula (1): SraLabTi1-c-dNbcFedO3-δ  formula (1) wherein a, b, c, and d are a positive real number that satisfies 0.1≦a≦0.8, 0.1≦b≦0.8, 0.05≦c≦0.2, and 0.2≦d≦0.5.

Abstract translation: 提供了一种固体氧化物燃料电池堆，其包括陶瓷互连器，其具有良好的导电性和氧化物离子绝缘性，即发电效率。 固体氧化物型燃料电池堆至少包括：多个发电元件，其各自包括依次层叠的燃料电极，固体电解质和空气电极; 以及将多个发电元件中的相邻发电元件中的一个的空气电极电连接到另一个发电元件中的燃料电极的互连器，所述多个发电元件串联连接，其中形成所述互连器 式（1）表示的化合物：SraLabTi1-c-dNbcFedO3-δ式（1）其中a，b，c和d为满足0.1＆nlE的正实数; a＆nlE; 0.8,0.1＆nlE; b＆nlE; 0.8,0.05＆ c＆nlE; 0.2和0.2＆nlE; d＆nlE; 0.5。

公开(公告)号：US20160093909A1

公开(公告)日：2016-03-31

申请号：US14868928

申请日：2015-09-29

Applicant: TOTO LTD.

Inventor： Yasuo KAKINUMA ,  Osamu OKAMOTO ,  Shigeru ANDO ,  Hironobu MURAKAMI ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Naoki WATANABE ,  Shuhei TANAKA ,  Nobuo ISAKA ,  Takuya HOSHIKO ,  Masaki SATO

IPC: H01M8/12 ,  H01M8/02 ,  H01M8/24

CPC classification number: H01M8/1246 ,  H01M8/0202 ,  H01M8/0217 ,  H01M8/0228 ,  H01M8/24 ,  H01M8/2425 ,  H01M2008/1293 ,  H01M2300/0071 ,  Y02E60/525 ,  Y02P70/56

Abstract: There is provided a solid oxide fuel cell stack including an interconnector that has excellent electrical conductivity, gas sealing property, and adhesion to a solid electrolyte. The solid oxide fuel cell stack includes a plurality of power generation elements, each of which including at least a fuel electrode, a solid electrolyte, and an air electrode stacked in that order; and an interconnector that electrically connects the air electrode in one of adjacent power generation elements in the plurality of the power generation elements to the fuel electrode in the other power generation element, the plurality of power generation elements being connected in series to each other, wherein an intermediate layer having a porosity of not more than 1% and an electrical conductivity of not less than 0.05 S/cm is provided between the interconnector and the fuel electrode in the other power generation element.

Abstract translation: 提供了一种固体氧化物燃料电池堆，其包括具有优异的导电性，气密性和与固体电解质的粘附性的互连器。 固体氧化物型燃料电池堆包括多个发电元件，每个发电元件至少包括燃料电极，固体电解质和空气电极按顺序堆叠; 以及将多个发电元件中的相邻发电元件中的一个的空气电极电连接到另一发电元件中的燃料电极的互连器，所述多个发电元件彼此串联连接，其中 在另一发电元件中的互连器和燃料电极之间设置具有不大于1％的孔隙率和不小于0.05S / cm的电导率的中间层。

公开(公告)号：US20160133980A1

公开(公告)日：2016-05-12

申请号：US14937183

申请日：2015-11-10

Applicant: TOTO LTD.

Inventor： Seiki FURUYA ,  Shigeru ANDO ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Osamu OKAMOTO ,  Naoki WATANABE ,  Nobuo ISAKA ,  Masaki SATO ,  Yasuo KAKINUMA ,  Shuhei TANAKA ,  Hironobu MURAKAMI ,  Takuya HOSHIKO ,  Masaru KUBOTA ,  Shinji SHINOHARA

IPC: H01M8/12 ,  B05C11/00 ,  B05C5/02

CPC classification number: H01M8/1286 ,  B05C5/02 ,  B05C11/00 ,  H01M4/8828 ,  H01M4/8885 ,  H01M4/9033 ,  H01M8/004 ,  H01M8/0215 ,  H01M8/1246 ,  H01M8/2428 ,  H01M8/243 ,  H01M2008/1293 ,  H01M2250/405 ,  H01M2300/0074 ,  Y02B90/16 ,  Y02E60/525 ,  Y02P70/56

Abstract: To provide a method of manufacturing a solid oxide fuel cell, capable of obtaining a uniform film thickness. The present invention is a method of manufacturing fuel cells (16), including a support body-forming step (S1) for forming a porous support body (97), a film deposition step for laminating functional layers constituting electricity generating elements on a support body; and a sintering step (S14, S16) for sintering the support body on which functional layers are formed; whereby the film deposition step includes surface deposition steps (S5, S11), in which a masking layer is formed in parts not requiring film deposition, and electricity generating elements first functional layers are simultaneously formed, and a dot deposition step (S15), in which slurry dots are formed by placing a slurry into a liquid droplet state and jetting it, and a second functional layer is formed by the agglomeration of these dots.

Abstract translation: 提供一种制造固体氧化物燃料电池的方法，能够获得均匀的膜厚度。 本发明是一种制造燃料电池（16）的方法，包括：形成多孔支撑体（97）的支撑体形成工序（S1）;将沉积发电元件的功能层层叠在支承体上的成膜工序 ; 和烧结步骤（S14，S16），用于烧结形成功能层的支撑体; 由此膜沉积步骤包括在不需要成膜的部分中形成掩模层的同时形成发电元件第一功能层的表面沉积步骤（S5，S11），以及点沉积步骤（S15）， 通过将浆料置于液滴状态并喷射而形成浆料点，并且通过这些点的聚集形成第二功能层。

公开(公告)号：US20160133977A1

公开(公告)日：2016-05-12

申请号：US14937098

申请日：2015-11-10

Applicant: TOTO LTD.

Inventor： Seiki FURUYA ,  Shigeru ANDO ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Osamu OKAMOTO ,  Naoki WATANABE ,  Nobuo ISAKA ,  Masaki SATO ,  Yasuo KAKINUMA ,  Shuhei TANAKA ,  Hironobu MURAKAMI ,  Takuya HOSHIKO

IPC: H01M8/10 ,  H01M8/02 ,  H01M8/12

CPC classification number: H01M8/1004 ,  H01M4/8621 ,  H01M4/886 ,  H01M4/9025 ,  H01M8/0202 ,  H01M8/1213 ,  H01M8/1246 ,  H01M2008/1293 ,  H01M2300/0074 ,  Y02E60/525 ,  Y02P70/56

Abstract: To provide a solid oxide fuel cell with improved durability while obtaining sufficient electricity generating performance. The present invention is a method for manufacturing solid oxide fuel cells (16) in which electricity generating elements (16a) are connected by an interconnector (102), including: a support body forming step (S1); surface deposition steps (S4, S9) for forming in sequence a first and second functional layer on a porous support body; an outermost layer deposition step (S13) for forming an outermost functional layer (101) in which slurry in liquid droplet form is continuously jetted to form dots, and an outermost functional layer is formed by the agglomeration of dots to be thicker than a first functional layer (98); and a sintering step (S14) for sintering functional layers; wherein in the outermost functional layer, traces of agglomerated dots remain and ring-shaped cracks surrounding each dot trace are formed by the sintering process.

Abstract translation: 提供具有改善的耐久性的固体氧化物燃料电池，同时获得足够的发电性能。 本发明是一种固体氧化物燃料电池（16）的制造方法，其中发电元件（16a）通过互连器（102）连接，包括：支撑体形成步骤（S1）; 表面沉积步骤（S4，S9），用于依次在多孔支撑体上形成第一和第二功能层; 用于形成最外层功能层（101）的最外层沉积步骤（S13），其中液滴形式的浆液被连续地喷射以形成点，最外层的功能层通过点集合而形成，比第一功能层 层（98）; 和烧结功能层的烧结步骤（S14） 其中在最外层的功能层中残留有痕迹的团聚点，并且通过烧结工艺形成围绕每个点迹的环状裂纹。

公开(公告)号：US20160093897A1

公开(公告)日：2016-03-31

申请号：US14869652

申请日：2015-09-29

Applicant: TOTO LTD.

Inventor： Yasuo KAKINUMA ,  Osamu OKAMOTO ,  Shigeru ANDO ,  Hironobu MURAKAMI ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Naoki WATANABE ,  Shuhei TANAKA ,  Nobuo ISAKA ,  Takuya HOSHIKO ,  Masaki SATO

IPC: H01M8/02 ,  H01M8/24 ,  H01M8/12

CPC classification number: H01M8/0202 ,  H01M4/9033 ,  H01M8/0217 ,  H01M8/1246 ,  H01M8/24 ,  H01M8/243 ,  H01M8/2465 ,  H01M2008/1293 ,  H01M2300/0071

Abstract: A solid oxide fuel cell stack includes a support, a plurality of power generation elements provided on a surface of the support, the plurality of power generation elements connected in series, each including at least a fuel electrode, a solid electrolyte, and an air electrode stacked in that order, and an interconnector that electrically connects an air electrode in one of adjacent power generation elements to a fuel electrode in the other power generation element. A solid electrolyte in adjacent one power generation element is provided between a fuel electrode in the adjacent one power generation element and the fuel electrode in the adjacent other power generation element, and an insulating member is provided at a position that is on the solid electrolyte in the adjacent one power generation element and between the air electrode in the adjacent one power generation element and the solid electrolyte therein.

Abstract translation: 固体氧化物燃料电池堆包括支撑体，设置在支撑体的表面上的多个发电元件，串联连接的多个发电元件，每个发电元件至少包括燃料电极，固体电解质和空气电极 以及将相邻发电元件中的一个的空气电极与另一发电元件中的燃料电极电连接的互连器。 相邻一个发电元件中的固体电解质设置在相邻的一个发电元件中的燃料电极和相邻的另一发电元件中的燃料电极之间，绝缘部件设置在固体电解质上的位置 相邻的一个发电元件之间和相邻一个发电元件中的空气电极和其中的固体电解质之间。

公开(公告)号：US20160093896A1

公开(公告)日：2016-03-31

申请号：US14869104

申请日：2015-09-29

Applicant: TOTO LTD.

Inventor： Yasuo KAKINUMA ,  Osamu OKAMOTO ,  Shigeru ANDO ,  Hironobu MURAKAMI ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Naoki WATANABE ,  Shuhei TANAKA ,  Nobuo ISAKA ,  Takuya HOSHIKO ,  Masaki SATO

IPC: H01M8/02 ,  H01M8/12 ,  H01M8/24

CPC classification number: H01M8/0202 ,  H01M8/12 ,  H01M8/1213 ,  H01M8/1246 ,  H01M8/24 ,  H01M2008/1293 ,  H01M2300/0071

Abstract: A solid oxide fuel cell stack includes a support, a plurality of power generation elements connected in series, each including a fuel electrode, a solid electrolyte, and an air electrode stacked in that order on the support, and an interconnector electrically connecting an air electrode in one of the two adjacent power generation elements to a fuel electrode in the other power generation element. A solid electrolyte for one of the power generation elements is provided on the downside of the interconnector provided on the downside of the air electrode in the one power generation element so that the solid electrolyte is joined to the interconnector, and a solid electrolyte for the other power generation element is provided on the upper side of the interconnector provided on the upper side of the fuel electrode for the other power generation element so that the solid electrolyte is joined to the interconnector.

Abstract translation: 一种固体氧化物燃料电池堆包括：支撑体，串联连接的多个发电元件，每个发电元件均包括依次层叠在支撑体上的燃料电极，固体电解质和空气电极;以及互连器，电连接空气极 在两个相邻的发电元件中的一个中的另一个发电元件中的燃料电极。 一个发电元件中的一个的固体电解质设置在设置在一个发电元件中的空气电极的下侧上的互连器的下侧，使得固体电解质连接到互连器，另一个固体电解质 发电元件设置在设置在用于另一发电元件的燃料电极的上侧的互连器的上侧，使得固体电解质连接到互连器。