公开(公告)号：US20150255805A1

公开(公告)日：2015-09-10

申请号：US14641085

申请日：2015-03-06

Applicant: TOTO LTD.

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

IPC: H01M8/02 ,  H01M8/12

CPC classification number: H01M8/0247 ,  H01M4/64 ,  H01M4/70 ,  H01M8/0206 ,  H01M8/0232 ,  H01M8/0256 ,  H01M8/0271 ,  H01M8/0286 ,  H01M8/0297 ,  H01M8/12 ,  H01M8/124 ,  H01M8/2404 ,  H01M8/2425 ,  H01M8/243 ,  H01M8/2457 ,  H01M2008/1293 ,  H01M2300/0074 ,  Y02P70/56

Abstract: To provide SOFC and method for manufacturing same, capable of preventing breakage of fuel cell electrodes, and of securing an electrical connection between fuel cells and a current collector. SOFC 1 comprising a cell array composed of fuel cells 16, and current collector 82 connected to electrodes formed on fuel cells 16, wherein current collector 82 is a metal plate on which attaching holes 84 are formed; elastic pieces 84a are provided on each attaching hole 84; current collector 82 is attached to the cell array using elastic pieces 84a, by the insertion of fuel cell 16 into attaching holes 84; and elastic pieces 84a are affixed to fuel cells 16 by electrode protective layer 152 so that the positions of elastic pieces 84a are not displaced relative to the electrodes on fuel cells 16.

Abstract translation: 提供用于制造其的SOFC及其制造方法，能够防止燃料电池电极的断裂，并且确保燃料电池与集电体之间的电连接。 包括由燃料电池16构成的电池阵列的SOFC 1和与燃料电池16上形成的电极连接的集电体82，其中集电器82是形成有连接孔84的金属板; 弹性件84a设置在每个安装孔84上; 通过将燃料电池16插入到安装孔84中，使用弹性片84a将集电器82附接到电池阵列; 并且弹性片84a通过电极保护层152固定到燃料电池16，使得弹性片84a的位置不相对于燃料电池16上的电极移位。

公开(公告)号：US20150004520A1

公开(公告)日：2015-01-01

申请号：US14311929

申请日：2014-06-23

Applicant: TOTO LTD.

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

IPC: H01M8/02

CPC classification number: H01M8/2404 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/0273 ,  H01M8/0276 ,  H01M8/0282 ,  H01M8/2425 ,  H01M8/243 ,  H01M8/2457 ,  H01M8/2475 ,  H01M8/2485 ,  H01M2008/1293 ,  Y02P70/56

Abstract: The present invention is a manufacturing method for a solid oxide fuel cell apparatus in which multiple fuel cells are adhered and affixed to a first affixing member attached within a fuel cell module, the method includes steps of: inserting one end portion of each fuel cell into respective insertion holes provided in a first affixing member; respectively positioning one end portion of each fuel cell inserted into each insertion hole relative to a fuel cell module; respectively positioning the other end portion of each fuel cell at a predetermined position relative to the fuel cell module; applying ceramic adhesive onto the first affixing member into which each of the fuel cells is inserted; and hardening the applied ceramic adhesive and affixing each of the fuel cells to the first affixing member.

Abstract translation: 本发明是一种固体氧化物燃料电池装置的制造方法，其中多个燃料电池被附着并固定在附着在燃料电池组件内的第一固定件上，该方法包括以下步骤：将每个燃料电池的一个端部插入 相应的插入孔设置在第一固定构件中; 分别相对于燃料电池模块定位插入每个插入孔中的每个燃料电池的一个端部; 分别将每个燃料电池的另一端部相对于燃料电池模块定位在预定位置; 将陶瓷粘合剂施加到每个燃料电池插入其中的第一固定构件上; 并使应用的陶瓷粘合剂硬化并将每个燃料电池固定到第一固定构件。

公开(公告)号：US20130183594A1

公开(公告)日：2013-07-18

申请号：US13728021

申请日：2012-12-27

Applicant: Toto Ltd.

Inventor： Hiroshi NIIMI ,  Akira KAWAKAMI ,  Shigeru ANDO ,  Masayoshi YUZURIHARA ,  Ryoichi NISHIMIZU

IPC: H01M4/86 ,  H01M12/06

CPC classification number: H01M4/8657 ,  H01M4/8889 ,  H01M4/9033 ,  H01M4/9058 ,  H01M4/9066 ,  H01M8/0232 ,  H01M8/0236 ,  H01M8/0243 ,  H01M12/06 ,  H01M2008/1293

Abstract: Disclosed is a solid oxide fuel battery cell having a high initial power generation performance and a good power generation durability while ensuring adhesion between an air electrode and a current collector. The solid oxide fuel battery cell includes a solid electrolyte, a fuel electrode, an air electrode, and a current collector provided on the surface of the air electrode, wherein the air electrode is formed of lanthanum ferrite perovskite oxides, lanthanum cobalt perovskite oxides, or samarium cobalt perovskite oxides, and the current collector is porous including silver, palladium, and an oxide and has an average porosity of 20% to 70% in a portion other than a portion near a boundary between the current collector and the air electrode and, in the near-boundary portion, an average porosity of not less than 50% of the average porosity of the portion other than the near-boundary portion.

Abstract translation: 公开了一种固体氧化物燃料电池，其具有高的初始发电性能和良好的发电耐久性，同时确保空气电极和集电器之间的粘附。 固体氧化物燃料电池单元包括设置在空气电极表面上的固体电解质，燃料电极，空气电极和集电器，其中空气电极由铁酸镧钙钛矿氧化物，镧钴钙钛矿氧化物或 钐钴钙钛矿氧化物，并且集电体是多孔的，包括银，钯和氧化物，并且在除了集电器和空气电极之间的边界附近的部分之外的平均孔隙率为20％至70％，并且， 在近边界部分中，平均孔隙率不小于近边界部分以外的部分的平均孔隙率的50％。

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：US20140093809A1

公开(公告)日：2014-04-03

申请号：US14026401

申请日：2013-09-13

Applicant: TOTO LTD.

Inventor： Shigeru ANDO ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Osamu OKAMOTO ,  Naoki WATANABE ,  Nobuo ISAKA ,  Masaki SATO

IPC: H01M8/12

CPC classification number: H01M8/1286 ,  H01M8/004 ,  H01M8/0206 ,  H01M8/0236 ,  H01M8/0245 ,  H01M8/0258 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/0297 ,  H01M8/1226 ,  H01M8/243 ,  H01M8/2483 ,  H01M2008/1293 ,  Y02E60/521 ,  Y02E60/525

Abstract: An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and has a Mg/Si molar ratio of 1.90 to 2.2 both inclusive, and an A-to-B ratio (A/B) of 0.0% to 9.0% both inclusive, where A denotes a maximum peak height which appears at a diffraction angle 2θ=26.5° to 27.0° and B denotes a maximum peak height which appears at 36.5° to 37.0° in a powder X-ray diffraction pattern obtained by using Cu—Kα radiation.

Abstract translation: 本发明的目的在于提供一种防止含有Ca等元素的扩散层的形成的燃料电池，并且通过烧结来防止电解液的晶体结构的破坏，在低温下具有优异的发电性能。 公开了一种固体氧化物燃料电池，其包括内电极，固体电解质和外电极，各自依次层压在多孔载体的表面上。 多孔载体含有镁橄榄石，Mg / Si摩尔比为1.90〜2.2，A-B比（A / B）为0.0〜9.0％，其中A表示最大峰高 其出现在衍射角2θ= 26.5°至27.0°，B表示在通过使用Cu-Kα辐射获得的粉末X射线衍射图中在36.5°至37.0°处出现的最大峰高。

公开(公告)号：US20140080034A1

公开(公告)日：2014-03-20

申请号：US14026454

申请日：2013-09-13

Applicant: TOTO LTD.

Inventor： Shigeru ANDO ,  Seiki FURUYA ,  Yutaka MOMIYAMA ,  Kiyoshi HAYAMA ,  Osamu OKAMOTO ,  Naoki WATANABE ,  Nobuo ISAKA ,  Masaki SATO

IPC: H01M8/02

CPC classification number: H01M8/023 ,  H01M8/004 ,  H01M8/1226 ,  H01M8/1246 ,  H01M8/243 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

Abstract: An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and further has a calcium element (Ca) content of more than 0.2 mass % but not more than 2 mass % in terms of CaO.

Abstract translation: 本发明的目的在于提供一种防止含有Ca等元素的扩散层的形成的燃料电池，并且通过烧结来防止电解液的晶体结构的破坏，在低温下具有优异的发电性能。 公开了一种固体氧化物燃料电池，其包括燃料电极，固体电解质和空气电极，其各自依次层压在多孔载体的表面上。 多孔质载体含有镁橄榄石，并且还具有以CaO计为0.2质量％以上2质量％以下的钙元素（Ca）含量。

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：US20150004517A1

公开(公告)日：2015-01-01

申请号：US14311837

申请日：2014-06-23

Applicant: TOTO LTD.

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

IPC: H01M8/24

CPC classification number: H01M8/249 ,  H01M8/0276 ,  H01M8/0286 ,  H01M8/2425 ,  H01M8/243 ,  H01M8/2485

Abstract: To provide a solid oxide fuel cell system in which fuel cells within a fuel cell module are connected in an airtight manner using ceramic adhesive. the invention is a solid oxide fuel cell system for generating electricity by reacting fuel and oxidant gas, including: a fuel cell module containing multiple fuel cells, and a fuel gas dispersion chamber for distributing and supplying fuel to each of the fuel cells, whereby each of the fuel cells is affixed in an airtight manner using ceramic adhesive to an affixing member forming the fuel gas dispersion chamber, and a gas leak suppression portion for suppressing the occurrence of cracks caused by shrinkage when a ceramic adhesive hardens is formed by the ceramic adhesive layer around the fuel cells.

Abstract translation: 提供一种固体氧化物燃料电池系统，其中燃料电池模块内的燃料电池使用陶瓷粘合剂以气密的方式连接。 本发明是一种用于通过燃料和氧化剂气体反应发电的固体氧化物燃料电池系统，其包括：包含多个燃料电池的燃料电池模块和用于向每个燃料电池分配和供应燃料的燃料气体分散室， 的燃料电池单元使用陶瓷粘合剂固定到形成燃料气体分散室的固定构件上，以及气体泄漏抑制部分，用于抑制由陶瓷粘合剂形成陶瓷粘合剂硬化时由收缩引起的裂纹的发生 燃料电池周围。

公开(公告)号：US20140162149A1

公开(公告)日：2014-06-12

申请号：US14100101

申请日：2013-12-09

Applicant: TOTO LTD.

Inventor： Hiroshi NIIMI ,  Akira ISHIGURO ,  Shigeru ANDO ,  Akira KAWAKAMI ,  Megumi SHIMAZU ,  Yuya TAKAHASHI

IPC: H01M8/22

CPC classification number: H01M4/8885 ,  H01M4/8621 ,  H01M4/8652 ,  H01M4/8828 ,  H01M4/8889 ,  H01M4/9033 ,  H01M8/1213 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/521 ,  Y02E60/525 ,  Y02P70/56

Abstract: Disclosed is a durable solid oxide fuel cell that is less likely to have a problem of a conventional solid oxide fuel cell that an air electrode containing a peroviskite oxide, when exposed to a reducing atmosphere, is separated at the stop of operation, especially shutdown. The solid oxide fuel cell includes an air electrode that is obtained by firing a compact containing a perovskite oxide and sulfur element. The content of the sulfur element in the air electrode as fresh after firing or before the start of power generation is in the range of 50 ppm to 3,000 ppm. The separation of the air electrode is effectively suppressed at the shutdown operation.

Abstract translation: 公开了一种持久的固体氧化物燃料电池，其不太可能存在常规的固体氧化物燃料电池的问题，即在暴露于还原性气氛时，含有渗浮体氧化物的空气电极在操作停止时分离，特别是关闭。 固体氧化物型燃料电池包括通过烧结含有钙钛矿氧化物和硫元素的压块而获得的空气电极。 空气电极中的硫元素在烧制之后或发电开始之前的新鲜含量在50ppm至3,000ppm的范围内。 在关机操作时有效地抑制空气电极的分离。