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    Single cell for a solid oxide fuel cell
    1.
    发明授权
    Single cell for a solid oxide fuel cell 失效
    用于固体氧化物燃料电池的单电池

    公开(公告)号：US07422822B2

    公开(公告)日：2008-09-09

    申请号：US11680185

    申请日：2007-02-28

    申请人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    发明人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    IPC分类号： H01M4/00

    CPC分类号： H01M4/9066 ,  H01M4/8621 ,  H01M4/9033 ,  H01M4/9058 ,  H01M8/1246 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

    摘要： A single cell for SOFC operating at low temperatures is provided, including a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa or more, a fuel electrode and bonded to one side of the first electrolyte, comprised of a cermet of a catalyst and a second solid electrolyte with a conductivity of 0.08 S/cm or more, and an air electrode bonded to the other side of the first electrolyte comprised of a compound of first perovskite type oxide with a third solid electrolyte. The electrodes are coated with fuel and air electrode contact layers, respectively.

    摘要翻译： 提供了在低温下操作的SOFC单电池，包括在800℃下具有0.015S / cm以上的氧化物离子传导性和600MPa以上的弯曲强度的第一固体电解质，燃料电极并结合到一侧 由电催化剂的金属陶瓷和导电率为0.08S / cm以上的第二固体电解质构成的第一电解质和与第一电解质的另一侧结合的空气电极，所述第一电解质由第一钙钛矿型氧化物 与第三固体电解质。 电极分别涂覆有燃料和空气电极接触层。

    Single cell for a solid oxide fuel cell
    2.
    发明授权
    Single cell for a solid oxide fuel cell 失效
    用于固体氧化物燃料电池的单电池

    公开(公告)号：US07235325B2

    公开(公告)日：2007-06-26

    申请号：US11008843

    申请日：2004-12-10

    申请人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    发明人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    IPC分类号： H01M4/86

    CPC分类号： H01M4/9066 ,  H01M4/8621 ,  H01M4/9033 ,  H01M4/9058 ,  H01M8/1246 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

    摘要： A single cell for SOFC operating at low temperatures, is provided, including a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa or more, a fuel electrode and bonded to one side of the first electrolyte, comprised of a cermet of a catalyst and a second solid electrolyte with a conductivity of 0.08 S/cm or more, and an air electrode bonded to the other side of the first electrolyte comprised of a compound of first perovskite type oxide with a third solid electrolyte. The electrodes are coated with fuel and air electrode contact layers, respectively.

    摘要翻译： 提供了在低温下操作的SOFC的单电池，包括在800℃下具有0.015S / cm以上的氧化物离子传导性和600MPa以上的弯曲强度的第一固体电解质，燃料电极并结合到一个 由电催化剂的金属陶瓷和导电率为0.08S / cm以上的第二固体电解质构成的第一电解质的侧面以及与第一电解质的另一侧的第一钙钛矿型化合物结合的空气电极 氧化物与第三固体电解质。 电极分别涂覆有燃料和空气电极接触层。

    Single cell for a solid oxide fuel cell
    3.
    发明申请
    Single cell for a solid oxide fuel cell 失效
    用于固体氧化物燃料电池的单电池

    公开(公告)号：US20050255355A1

    公开(公告)日：2005-11-17

    申请号：US11008843

    申请日：2004-12-10

    申请人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    发明人： Kenji Ukai ,  Kouji Hisada ,  Kazuo Hata ,  Norikazu Aikawa ,  Masatoshi Shimomura

    IPC分类号： H01M2/12 ,  H01M4/86 ,  H01M8/02 ,  H01M8/12 ,  H01M8/10

    CPC分类号： H01M4/9066 ,  H01M4/8621 ,  H01M4/9033 ,  H01M4/9058 ,  H01M8/1246 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

    摘要： A single cell for SOFC operating at low temperatures, excellent in generating performance and reliability even in a low-temperature region of the order of 600 to 900° C., and in adhesion to a separator with low current-collecting loss when used in SOFC. The cell has a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa or more, a fuel electrode comprised of a cermet of a catalyst and a second solid electrolyte with the conductivity of 0.08 S/cm or more, bonded to one side of the first electrolyte, and an air electrode comprised of a compound of first perovskite type oxide with a third solid electrolyte, bonded to the other side optionally via an intermediate layer comprised of a fourth solid electrolyte, and the electrodes are preferably coated with fuel and air electrode contact layers, respectively.

    摘要翻译： 用于SOFC的单电池在低温下工作，即使在600至900℃的低温区域中也能产生性能和可靠性优异，并且在用于SOFC时与具有低集电损耗的隔膜的粘合性 。 电池具有在800℃下的氧化物离子传导率为0.015S / cm以上，弯曲强度为600MPa以上的第一固体电解质，由催化剂的金属陶瓷和具有导电性的第二固体电解质构成的燃料电极 粘合到第一电解质的一侧的0.08S / cm以上的空气电极和由第一钙钛矿型氧化物与第三固体电解质的化合物组成的空气电极，任选地经由第四固体电解质的中间层 固体电解质，并且电极分别优选地涂覆有燃料和空气电极接触层。

    Single cell for a solid oxide fuel cell
    5.
    发明授权
    Single cell for a solid oxide fuel cell 有权
    用于固体氧化物燃料电池的单电池

    公开(公告)号：US07108938B2

    公开(公告)日：2006-09-19

    申请号：US10619315

    申请日：2003-07-14

    申请人： Kenji Ukai ,  Kouji Hisada

    发明人： Kenji Ukai ,  Kouji Hisada

    IPC分类号： H01M4/86

    CPC分类号： H01M8/1213 ,  H01M2300/0068 ,  Y02P70/56

    摘要： A single cell for a solid oxide fuel cell and a solid oxide fuel cell using the same practicable and excellent in generation performance and durability, wherein a fuel electrode including a cermet of a catalyst and a second solid electrolyte with oxide ion conductivity at 1000° C. of 0.20 S/cm or more is bonded to one side of a solid electrolyte plate with the conductivity of 0.07 S/cm or more and bending strength of 700 MPa or more, and an air electrode including a compound of perovskite type transition metal oxide with a third solid electrolyte is bonded to the other side. A surface of the fuel electrode is coated with a layer, and an air electrode surface is coated with a layer, and an aqueous solution where a noble metal compound is dissolved in water is impregnated into the air electrode.

    摘要翻译： 用于固体氧化物燃料电池的单电池和固体氧化物燃料电池，其具有可行且优异的发电性能和耐久性的固体氧化物燃料电池，其中包括催化剂金属陶瓷的燃料电极和在1000℃下具有氧化物离子传导性的第二固体电解质 0.20S / cm以上的导电率粘合到固体电解质板的一侧，导电率为0.07S / cm以上，弯曲强度为700MPa以上，空气电极包含钙钛矿型过渡金属氧化物 第三固体电解质结合到另一侧。 燃料电极的表面涂覆有层，空气电极表面涂覆有层，并且将含有贵金属化合物的水溶液浸渍在空气电极中。

    Fuel electrode material, a fuel electrode, and a solid oxide fuel cell
    7.
    发明申请
    Fuel electrode material, a fuel electrode, and a solid oxide fuel cell 有权
    燃料电极材料，燃料电极和固体氧化物燃料电池

    公开(公告)号：US20060110633A1

    公开(公告)日：2006-05-25

    申请号：US11283492

    申请日：2005-11-18

    申请人： Kenji Ukai ,  Yasunobu Mizutani ,  Kouji Hisada ,  Misuzu Yokoyama ,  Shoji Futaki ,  Hiroyuki Toya

    发明人： Kenji Ukai ,  Yasunobu Mizutani ,  Kouji Hisada ,  Misuzu Yokoyama ,  Shoji Futaki ,  Hiroyuki Toya

    IPC分类号： H01M8/00 ,  H01M4/86 ,  H01M4/02

    CPC分类号： H01M4/8885 ,  H01M4/9025 ,  H01M8/1253 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

    摘要： A material for a fuel electrode of a solid oxide fuel cell with which volume change of the fuel electrode can be reduced as compared to the conventional one even if the fuel electrode is exposed to an oxidation-reduction cycle, a fuel electrode for a solid oxide fuel cell prepared by sintering the fuel electrode material, and a solid oxide fuel cell capable of stably maintaining power generation even if a fuel electrode thereof is exposed to an oxidation-reduction cycle. The fuel electrode material includes a material powder containing at least one of nickel and nickel oxide, wherein the material powder further contains at least one of titanium oxide (IV) and a titanium source capable of changing into titanium oxide (IV) by heat treatment in air. The fuel electrode material is sintered to prepare the fuel electrode, which is provided for the solid oxide fuel cell.

    摘要翻译： 固体氧化物燃料电池的燃料电极的材料，即使燃料电极暴露于氧化还原循环，燃料电极的体积变化与常规燃料电极相比可以减小，燃料电极用于固体氧化物 通过烧结燃料电极材料制备的燃料电池，以及即使其燃料电极暴露于氧化还原循环也能够稳定地保持发电的固体氧化物燃料电池。 燃料电极材料包括含有镍和氧化镍中的至少一种的材料粉末，其中该材料粉末还含有氧化钛（IV）和能够通过热处理而变成氧化钛（IV）的钛源中的至少一种 空气。 燃料电极材料被烧结以制备为固体氧化物燃料电池提供的燃料电极。

    Solid oxide fuel cell
    8.
    发明授权
    Solid oxide fuel cell 有权
    固体氧化物燃料电池

    公开(公告)号：US06787261B2

    公开(公告)日：2004-09-07

    申请号：US09982971

    申请日：2001-10-22

    申请人： Kenji Ukai ,  Yasunobu Mizutani

    发明人： Kenji Ukai ,  Yasunobu Mizutani

    IPC分类号： H01M812

    CPC分类号： C04B35/486 ,  H01M8/0625 ,  H01M8/1231 ,  H01M8/124 ,  H01M2300/0094 ,  Y02P70/56

    摘要： A solid oxide fuel cell in which the catalytic activity of a fuel electrode is high and in which no poisoning by carbon occurs even when internal reforming is performed under a condition of a low S/C ratio and further in which the time course degradation of the fuel electrode is less when internal reforming is performed. In a solid oxide fuel cell having an oxide ion conductive solid electrolyte, and a fuel electrode and an air electrode connected to both faces thereof, a cermet of a catalyst and of the second solid electrolyte whose oxide ion conductivity is more than or equal to 0.2 S/cm at 1000 ° C. is used as the fuel electrode. More specifically, it is desirable that the second solid electrolyte is scandia-stabilized zirconia (ScSZ) containing 9 to 12 mol % of scandia. In addition, the second solid electrolyte may further be ScSZ containing yttria or ceria less than or equal to 2 mol %. Furthermore, the second solid electrolyte may be a composite material of ScSZ and alumina less than or equal to 2 wt %.

    摘要翻译： 即使在S / C比低的条件下进行内部重整，也不会发生燃料电极的催化活性高且即使不发生中毒的固体氧化物型燃料电池， 当进行内部重整时，燃料电极较少。 在具有氧化物离子传导性固体电解质的固体氧化物型燃料电池和与其两面连接的燃料电极和空气电极中，氧化物离子传导率为0.2以上的催化剂和第二固态电解质的金属陶瓷 在1000℃下使用S / cm作为燃料电极。 更具体地说，第二固体电解质优选为含有9〜12摩尔％的钪的氧化钪稳定的氧化锆（ScSZ）。 此外，第二固体电解质还可以是含有少于或等于2摩尔％的氧化钇或二氧化铈的ScSZ。 此外，第二固体电解质可以是ScSZ和氧化铝的复合材料小于或等于2重量％。

    Solid oxide fuel cell having a supported electrolyte film
    9.
    发明授权
    Solid oxide fuel cell having a supported electrolyte film 有权
    具有负极电解质膜的固体氧化物燃料电池

    公开(公告)号：US06835485B2

    公开(公告)日：2004-12-28

    申请号：US09983056

    申请日：2001-10-23

    申请人： Kenji Ukai ,  Yasunobu Mizutani

    发明人： Kenji Ukai ,  Yasunobu Mizutani

    IPC分类号： H01M490

    CPC分类号： C04B35/486 ,  H01M8/1231 ,  H01M8/1246 ,  H01M2300/0094 ,  Y02E60/525 ,  Y02P70/56

    摘要： The present invention intends to provide a solid oxide fuel cell having a supported electrolyte film, which shows sufficiently high reliability, yields a high output, and exhibits high output power density per unit volume. The present invention is characterized by use of a first cermet comprising catalyst and a second solid electrolyte, which has a bending strength of more than 500 MPa and exhibits oxide ion conductivity, for a fuel electrode substrate in an SOFC having a supported electrolyte film equipped with an electrolyte-electrode assembly that is made by bonding the fuel electrode substrate and an air electrode on both sides of an electrolyte film consisting of the first solid electrolyte capable of exhibiting oxide ion conductivity. As a preferred embodiment, stabilized zirconia containing 2 to 4 mol % yttria or 3 to 6 mol % scandia is preferred for the second solid electrolyte. More particularly, an interlayer comprising the second catalyst and the third solid electrolyte, which shows oxide ion conductivity of more than 0.1 S/cm at 800° C., is preferably interposed between the electrolyte film and the fuel electrode substrate.

    摘要翻译： 本发明提供一种具有负极电解质膜的固体氧化物型燃料电池，其显示出足够高的可靠性，产生高的输出，并表现出高的每单位体积的输出功率密度。 本发明的特征在于，在具有负载电解质膜的SOFC中，使用包含催化剂和第二固体电解质的第一金属陶瓷，所述第一金属陶瓷具有大于500MPa的弯曲强度并具有氧化物离子传导性， 电解质电极组件，其通过将燃料电极基板和由能够显示氧化物离子传导性的第一固体电解质构成的电解质膜的两侧的空气电极接合而制成。 作为优选实施方案，对于第二固体电解质，优选含有2至4mol％氧化钇或3至6mol％Scandia的稳定的氧化锆。 更具体地说，包含第二催化剂和第三固体电解质的中间层优选介于电解质膜和燃料电极基板之间，其在800℃下显示大于0.1S / cm的氧离子电导率。