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    • 1. 发明专利
    • Seal structure of solid oxide fuel cell and sealing method
    • 固体氧化物燃料电池密封结构及密封方法
    • JP2004349069A
    • 2004-12-09
    • JP2003143513
    • 2003-05-21
    • Hitachi Metals LtdTokyo Gas Co Ltd日立金属株式会社東京瓦斯株式会社
    • OGASAWARA KEIMATSUZAKI YOSHIOSAKURAI TERUHIROKOJO KATSUHIKOKAWADA TSUNEHIROOKAMOTO MASAYUKI
    • H01M4/86H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To solve a problem of bonding and sealing between a unit cell and cell support foil in a low temperature operating type solid oxide fuel cell. SOLUTION: Cell support foil is disposed on the top surface of the fringe of a unit cell formed by laminating an electrolyte membrane and an air pole one by one on a fuel electrode comprising a ceramic material containing a metal to form this seal structure of the low temperature operation type solid oxide fuel cell. The electrolyte membrane is formed on the top surface of the fuel electrode so that the top surface of the fringe of the fuel cell is exposed, and the exposed surface is brazed to the lower surface of the cell support foil by a brazing filler metal in this seal structure and the sealing method of the low temperature operating type solid oxide fuel cell. COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:为了解决在低温运行型固体氧化物燃料电池中的单电池和电池支撑箔之间的接合和密封的问题。 解决方案:电池支撑箔设置在通过在包含含有金属的陶瓷材料的燃料电极上逐个层叠电解质膜和空气极而形成的单元电池的边缘的顶表面上,以形成该密封结构 的低温操作型固体氧化物燃料电池。 电解质膜形成在燃料电极的顶面上,使得燃料电池的边缘的上表面露出,并且暴露的表面通过钎焊金属钎焊到电池支撑箔的下表面 密封结构和低温操作型固体氧化物燃料电池的密封方法。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Operation control method of solid oxide fuel cell
    • 固体氧化物燃料电池的操作控制方法
    • JP2008004294A
    • 2008-01-10
    • JP2006170245
    • 2006-06-20
    • Kyocera CorpTokyo Gas Co Ltd京セラ株式会社東京瓦斯株式会社
    • YAKABE HISATAKASAKURAI TERUHIROFUJITA KENJIROMATSUZAKI YOSHIOSHIGEHISA TAKASHIKOI MAKOTO
    • H01M8/04H01M8/12
    • Y02E60/525
    • PROBLEM TO BE SOLVED: To provide the stable operation control method preventing the fuel deficiency in a local cell in a solid oxide fuel cell stack or a local cell stack in lateral stripe type solid oxide fuel cell bundle and enhancing to a maximum the efficiency of the stack and the bundle.
      SOLUTION: The operation control method of the solid oxide fuel cell stack having two or more cells (a) utilizes the local cell having the highest probability of fuel deficiency out of cells constituting the stack and measures oxygen partial pressure based on electromotive forces and temperatures on the fuel supply side and the fuel outlet side, (b) estimates the fuel utilization factor of the local cell by measuring the current amount generated in the local cell and the steam amount introduced to reform raw fuel, and (c) suppresses the fuel supply amount to the whole solid oxide fuel cell stack so as to prevent the fuel deficiency in the local cell.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供稳定的操作控制方法,能够防止固体氧化物型燃料电池堆中的局部电池或横向条状固体氧化物型燃料电池束中的局部电池堆的燃料不足, 堆叠和捆绑的效率。 解决方案:具有两个或更多个电池(a)的固体氧化物燃料电池堆的操作控制方法利用构成堆叠的电池的燃料不足概率最高的局部电池,并且基于电动势测量氧分压 燃料供应侧和燃料出口侧的温度,(b)通过测量局部电池中产生的电流量和改变原燃料引入的蒸汽量来估计局部电池的燃料利用系数,(c)抑制 为整个固体氧化物燃料电池堆提供的燃料供给量,以防止本地电池中的燃料不足。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Operation control method of solid oxide fuel cell, and system
    • 固体氧化物燃料电池和系统的操作控制方法
    • JP2006244882A
    • 2006-09-14
    • JP2005059759
    • 2005-03-03
    • Tokyo Gas Co Ltd東京瓦斯株式会社
    • YAKABE HISATAKASAKURAI TERUHIRO
    • H01M8/04H01M8/12
    • Y02E60/525
    • PROBLEM TO BE SOLVED: To provide a stable operation control method, preventing fuel deficiency in a local cell of a solid oxide fuel cell stack or a solid oxide fuel cell bundle, and enhancing their efficiency to maximum, and to provide a system for the method. SOLUTION: In this operation control method of the solid oxide fuel cell containing a plurality of cells, in at least one cell of the cell stack, (a) an oxygen sensor is installed in a fuel supply part to an anode; and in a fuel outlet part of the anode and oxygen partial pressure is measured, (b) the power generation current amount in the cell and (c) the water vapor amount are measured; based on measured data, the utilization factor of fuel is estimated; and the fuel supply amount to the whole of the solid oxide fuel cell stack is controlled to prevent the fuel deficiency in the cell. The operation control method of the solid oxide fuel cell stack, and the system for conducting it are provided. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供稳定的操作控制方法,防止固体氧化物燃料电池堆或固体氧化物燃料电池束的局部电池中的燃料不足,并提高其最大效率,并且提供一种系统 为方法。 解决方案:在包含多个电池的固体氧化物燃料电池的操作控制方法中,在电池组的至少一个电池中,(a)氧传感器安装在阳极的燃料供给部中; 并且在阳极的燃料出口部分和氧气分压中测量,(b)测量电池中的发电电流量和(c)水蒸气量; 根据测量数据,估算燃料的利用率; 并且控制到整个固体氧化物燃料电池堆的燃料供应量以防止电池中的燃料不足。 提供了固体氧化物型燃料电池堆的动作控制方法及其导电系统。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Horizontal-striped solid oxide type fuel cell bundle and unit
    • 水平条状固体氧化物型燃料电池组件和单元
    • JP2006172944A
    • 2006-06-29
    • JP2004364903
    • 2004-12-16
    • Gastar CorpKyocera CorpRinnai CorpTokyo Gas Co Ltdリンナイ株式会社京セラ株式会社東京瓦斯株式会社株式会社ガスター
    • SAKURAI TERUHIROMATSUZAKI YOSHIOYAKABE HISATAKAYOSHIDA HIDEKIFUJITA KENJIROOSHIMA HITOHIDESOFUE TSUTOMUWATARAI TATSUKIHASE KOJI
    • H01M8/24H01M8/12
    • Y02E60/525
    • PROBLEM TO BE SOLVED: To provide a horizontal-striped solid oxide type fuel cell bundle capable of improving power generation efficiency by reducing the temperature gradient in the bundle by setting off-gas combustion areas on both end faces in the horizontal-striped solid oxide type fuel cell bundle and capable of preventing damage of components of cells, a cell stack and the bundle. SOLUTION: This horizontal-striped solid oxide type fuel cell bundle is characterized by that a pair of solid oxide type fuel cell bundles each composed by arranging, side by side and in a form with surfaces arranged in parallel with one another, a plurality of solid oxide type fuel cell stacks each composed by arranging, in a horizontal-striped shape, a plurality of cells on the outside surface of a porous insulating support base body having a fuel passage from one end to the other end are arranged by centering the side of a fuel introduction hole of each fuel passage and by setting used fuel discharge ends on two surfaces on the fuel discharge hole side of the one-side horizontal-striped solid oxide type fuel cell bundle and on the fuel discharge hole side of the other-side horizontal-striped solid oxide type fuel cell bundle. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种水平条状固体氧化物型燃料电池束,其能够通过在水平条纹状的两端面上设置废气燃烧区域来降低束的温度梯度来提高发电效率 固体氧化物型燃料电池束,能够防止细胞成分,电池堆和束的损伤。 解决方案:这种水平条状固体氧化物型燃料电池束的特征在于,一对固体氧化物型燃料电池束,其通过彼此并排布置成彼此平行布置的形式而构成, 多个固体氧化物型燃料电池堆,其以水平条状形状设置在从一端到另一端的具有燃料通道的多孔绝缘支撑体的外表面上的多个电池,通过定心 每个燃料通道的燃料导入孔的一侧,并且通过在单侧水平条状固体氧化物型燃料电池束的燃料排放孔侧的两个表面上和在一侧的水平条状固体氧化物型燃料电池束的燃料排出孔侧上的两个表面上设置用过的燃料排放端 另一侧水平条状固体氧化物型燃料电池束。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Solid electrolyte fuel cell cell stack, bundle, fuel cell, and manufacturing method of fuel cell cell stack
    • 固体电解质燃料电池单元,燃料电池和燃料电池的制造方法
    • JP2005346991A
    • 2005-12-15
    • JP2004162589
    • 2004-05-31
    • Kyocera CorpTokyo Gas Co Ltd京セラ株式会社東京瓦斯株式会社
    • YAMASHITA SHOJINISHIHARA MASAHITOSAKURAI TERUHIROMATSUZAKI YOSHIOFUJITA KENJIRO
    • H01M4/86H01M4/90H01M8/02H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a solid electrolyte fuel cell cell stack decreasing the difference between the coefficient of thermal expansion of a support supporting a power generation element part and that of a fuel electrode and enhancing durability and reliability in the fuel cell cell stack in which a plurality of power generation element parts are installed in the axial length direction of the cell stack and connected in series. SOLUTION: A fuel electrode is formed in two layers of an activated fuel electrode 3b on a solid electrolyte 4 side and a current collecting fuel electrode 3a on the support 2 side, the activated fuel electrode 3b is a mixture of Ni or a Ni oxide with ZrO 2 in which a rare earth element is present in the form of solid solution, the current collecting fuel electrode 3a on the support side is a mixture of Ni or a Ni oxide on the support side. Since the difference in thermal expansion between the support 2 and the collector fuel electrode 3a is made small, breakage or peeling off of the fuel electrode can be suppressed. Thickness of the collector fuel electrode 3a can be increased, and current can flow at low resistance in the axial length direction of the cell stack. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供固体电解质燃料电池单元堆,减少了支撑发电元件部分的支撑件的热膨胀系数与燃料电极的热膨胀系数之间的差异,并提高了燃料电池的耐久性和可靠性 电池组,其中多个发电元件部件沿电池组的轴向长度方向安装并串联连接。 解决方案:燃料电极形成在固体电解质4侧上的活性燃料电极3b和支撑体2侧的集电燃料电极3a的两层中,活性燃料电极3b是Ni或 具有稀土元素以固溶体形式存在的具有ZrO 2 SBS的Ni氧化物,载体侧的集电燃料电极3a是Ni或Ni氧化物在载体侧上的混合物 。 由于支撑体2和集电极燃料电极3a之间的热膨胀差小,所以可以抑制燃料电极的断裂或剥离。 集电极燃料电极3a的厚度可以增加,并且电流可以在电池堆的轴向长度方向上以低电阻流动。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Supporting film type solid oxide fuel cell stack, and manufacturing method of the same
    • 支持薄膜型固体氧化物燃料电池堆及其制造方法
    • JP2005317291A
    • 2005-11-10
    • JP2004132121
    • 2004-04-27
    • Tokyo Gas Co Ltd東京瓦斯株式会社
    • OGASAWARA KEIBABA YOSHITAKASAKURAI TERUHIROYAKABE HISATAKA
    • H01M8/24H01M8/02H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a supporting film type SOFC stack capable solving the problem of minor warping, distortion, and variations of the thickness of cells, and the problem of accumulation of displacement caused by increasing the number of lamination, arisen when laminating and stacking the sub-assembly, and to provide a manufacturing method of the same. SOLUTION: The supporting film type solid oxide fuel cell stack is formed by laminating a plurality of sub-assemblies formed by wrapping the whole of unit cells of the supporting film type solid oxide fuel cell by an alloy foil provided with an opening for cathode, a gas lead-in hole, and a gas lead-out hole, through an interconnector and an insulation spacer having a wave-shaped part for gas-flow and electric connection. A flat separation plate having a gas flow passage is arranged after laminating a certain number of sub-assemblies, and one or a plurality of sub-assemblies are arranged and laminated again on the separation plate. The manufacturing method of the supporting film type solid oxide fuel cell stack is provided. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种能够解决细小的翘曲,变形和变化的问题的支撑膜型SOFC堆叠,并且由于层叠数量的增加而引起的位移积累的问题产生 当层压和堆叠子组件时,并提供其制造方法。

      解决方案:支撑膜型固体氧化物燃料电池堆叠通过层叠通过将支撑膜型固体氧化物燃料电池的整个单体电池包裹而形成的多个子组件通过设置有用于 阴极,气体导入孔和气体导出孔,通过互连器和具有用于气流和电连接的波形部分的绝缘垫片。 在层叠了一定数量的子组件之后,布置有具有气体流路的平板分离板,并且在分离板上再次布置并层叠一个或多个子组件。 提供了支撑膜型固体氧化物燃料电池堆的制造方法。 版权所有(C)2006,JPO&NCIPI