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    Stainless steel separator for fuel cells, method for making the same, and solid polymer fuel cell including the same
    1.
    发明授权
    Stainless steel separator for fuel cells, method for making the same, and solid polymer fuel cell including the same 有权
    用于燃料电池的不锈钢隔板，其制造方法以及包含该燃料电池的固体聚合物燃料电池

    公开(公告)号：US06835487B2

    公开(公告)日：2004-12-28

    申请号：US10078737

    申请日：2002-02-19

    申请人： Kenji Takao ,  Takeshi Yokota ,  Osamu Furukimi ,  Shin Ishikawa ,  Kazuhide Ishii ,  Shigeru Takano

    发明人： Kenji Takao ,  Takeshi Yokota ,  Osamu Furukimi ,  Shin Ishikawa ,  Kazuhide Ishii ,  Shigeru Takano

    IPC分类号： H01M802

    CPC分类号： C22C38/007 ,  C22C38/004 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  H01M8/021 ,  H01M8/0228 ,  H01M8/0254 ,  H01M8/026 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56 ,  Y10T428/12354

    摘要： A stainless steel separator having gas channels including grooves and projections for fuel cells. The separator has a composition including about 0.03 mass percent or less of carbon; about 0.03 mass percent or less of nitrogen, the total content of carbon and nitrogen being about 0.03 mass percent or less; about 16 mass percent to about 45 mass percent chromium; about 0.5 mass percent to about 3.0 mass percent molybdenum; and the balance being iron and incidental impurities. The separator has a contact resistance of about 100 m&OHgr;·cm2 or less. Preferably, the projections have an arithmetic average surface roughness Ra in the range of about 0.01 to about 1.0 &mgr;m and a maximum height Ry in the range of about 0.01 to about 20 &mgr;m. The stainless steel separator preferably further includes about 0.001 to about 0.1 mass percent silver. A fuel cell including this separator exhibits a stable output voltage for a long period of time.

    摘要翻译： 具有气体通道的不锈钢隔板，包括用于燃料电池的凹槽和凸起。 该隔膜具有碳的约0.03质量％以下的组成， 约0.03质量％以下的氮，碳和氮的总含量为约0.03质量％以下; 约16质量％至约45质量％的铬; 约0.5质量％至约3.0质量％的钼; 余量为铁和杂质。 隔膜的接触电阻约为100mΩ·cm 2以下。 优选地，突起的算术平均表面粗糙度Ra在约0.01至约1.0μm的范围内，最大高度Ry在约0.01至约20μm的范围内。 不锈钢隔板优选进一步包含约0.001至约0.1质量％的银。 包括该隔板的燃料电池在长时间内表现出稳定的输出电压。

    Stainless steel for solid polymer fuel cell separator and solid polymer typefuel cell using the stainless steel
    2.
    发明申请
    Stainless steel for solid polymer fuel cell separator and solid polymer typefuel cell using the stainless steel 有权
    不锈钢固体聚合物燃料电池分离器和固体聚合物型燃料电池使用不锈钢

    公开(公告)号：US20060105218A1

    公开(公告)日：2006-05-18

    申请号：US10533609

    申请日：2004-06-09

    申请人： Shin Ishikawa ,  Kunio Fukuda ,  Yasushi Kato ,  Osamu Furukimi ,  Kenji Takao

    发明人： Shin Ishikawa ,  Kunio Fukuda ,  Yasushi Kato ,  Osamu Furukimi ,  Kenji Takao

    IPC分类号： H01M8/02 ,  C22C38/22

    CPC分类号： C22C38/22 ,  C22C38/02 ,  C22C38/04 ,  C22C38/26 ,  H01M8/0204 ,  H01M8/021 ,  H01M8/0228 ,  H01M8/0254 ,  H01M8/1007 ,  Y02E60/521

    摘要： Provided are a stainless steel for a proton-exchange membrane fuel cell separator having high durability and a low contact resistance (i.e., high electrical conductivity) and a proton-exchange membrane fuel cell using the same. More specifically, a stainless steel for a proton-exchange membrane fuel cell separator has a composition comprising 0.03% mass % or less of C, 16-45 mass % of Cr, 0.03 mass % or less of N, 0.1-5.0 mass % of Mo, wherein a total of the C content and the N content satisfies 0.03 mass % or less; a balance portion is comprised of Fe and unavoidable impurities; an atomic ratio of Cr/Fe with respect to Al, Cr, and Fe contained in a passive film on a surface of the stainless steel is 1 or greater.

    摘要翻译： 提供一种用于具有高耐久性和低接触电阻（即高导电性）的质子交换膜燃料电池隔板的不锈钢和使用该不锈钢的质子交换膜燃料电池。 更具体地说，用于质子交换膜燃料电池隔板的不锈钢具有C：0.03质量％以下，Cr：16〜45质量％，N：0.03质量％以下，N：0.1〜5.0质量％ Mo，其中C含量和N含量的总和满足0.03质量％以下; 余量部分由Fe和不可避免的杂质构成; Cr / Fe相对于不锈钢表面的钝化膜中的Al，Cr，Fe的原子比为1以上。

    Fuel cell produced using a metallic material and its method of making
    3.
    发明授权
    Fuel cell produced using a metallic material and its method of making 有权
    使用金属材料制造的燃料电池及其制造方法

    公开(公告)号：US07531053B2

    公开(公告)日：2009-05-12

    申请号：US10509469

    申请日：2003-08-07

    申请人： Shinsuki Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

    发明人： Shinsuki Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

    IPC分类号： C22C38/22 ,  C22C38/26 ,  C21D8/00

    CPC分类号： C21D8/0205 ,  C21D2211/004 ,  C22C38/004 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28

    摘要： An inexpensive metallic material for interconnects of solid-oxide fuel cells, a fuel cell using the metallic material, and a method for producing the metallic material having excellent oxidation resistance and spalling resistance of an oxide layer, high electrical conductivity, and a small difference in thermal expansion from an electrolyte. Specifically, 0.20 percent by mass or less of C, 0.02 to 1.0 percent by mass of Si, 2.0 percent by mass or less of Mn, 10 to 40 percent by mass of Cr, 0.03 to 5.0 percent by mass of Mo, 0.1 to 3.0 percent by mass of Nb, and at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Zr, and Hf in a total of 1.0 percent by mass or less are added so as to satisfy 0.1≦Mo/Nb≦30, for decreasing the growth rate of the oxide layer and improving the spalling resistance.

    摘要翻译： 用于固体氧化物燃料电池的互连的廉价的金属材料，使用金属材料的燃料电池以及氧化物层具有优异的耐氧化性和耐剥离性的金属材料的制造方法，高导电性和小的差异 电解液的热膨胀。 具体地，将0.20质量％以下的C，0.02〜1.0质量％的Si，2.0质量％以下的Mn，10〜40质量％的Cr，0.03〜5.0质量％的Mo，0.1〜3.0 添加Nb的质量百分比，以及选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Zr和Hf中的至少一种元素总计为1.0质量％以下。 为了满足0.1 <= Mo / Nb <= 30，为了降低氧化物层的生长速度和提高耐剥离性。

    Metal material for fuel cell, fuel cell using the same and method for producing the material
    5.
    发明申请
    Metal material for fuel cell, fuel cell using the same and method for producing the material 有权
    燃料电池用金属材料，使用其的燃料电池及其制造方法

    公开(公告)号：US20050076976A1

    公开(公告)日：2005-04-14

    申请号：US10509469

    申请日：2003-08-07

    申请人： Shinsuke Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

    发明人： Shinsuke Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

    IPC分类号： C22C38/00 ,  C22C38/02 ,  C22C38/12 ,  H01M8/00 ,  C22C38/26

    CPC分类号： C21D8/0205 ,  C21D2211/004 ,  C22C38/004 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28

    摘要： The present invention provides an inexpensive metallic material for interconnects of solid-oxide fuel cells, a fuel cell using the metallic material, and a method for producing the metallic material having excellent oxidation resistance and spalling resistance of an oxide layer, high electrical conductivity, and a small difference in thermal expansion from an electrolyte. Specifically, 0.20 percent by mass or less of C, 0.02 to 1.0 percent by mass of Si, 2.0 percent by mass or less of Mn, 10 to 40 percent by mass of Cr, 0.03 to 5.0 percent by mass of Mo, 0.1 to 3.0 percent by mass of Nb, and at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Zr, and Hf in a total of 1.0 percent by mass or less are added so as to satisfy 0.1≦Mo/Nb≦30, for decreasing the growth rate of the oxide layer and improving the spalling resistance.

    摘要翻译： 本发明提供一种用于固体氧化物燃料电池的互连的便宜的金属材料，使用该金属材料的燃料电池以及具有优异的氧化物层的耐氧化性和耐剥离性，高导电性的金属材料的制造方法和 与电解质的热膨胀差异很小。 具体地，将0.20质量％以下的C，0.02〜1.0质量％的Si，2.0质量％以下的Mn，10〜40质量％的Cr，0.03〜5.0质量％的Mo，0.1〜3.0 添加Nb的质量百分比，以及选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Zr和Hf中的至少一种元素总计为1.0质量％以下。 为了满足0.1 <= Mo / Nb <= 30，为了降低氧化物层的生长速度和提高耐剥离性。

    Ferritic stainless steel sheet having excellent corrosion resistance and method of manufacturing the same
    6.
    发明授权
    Ferritic stainless steel sheet having excellent corrosion resistance and method of manufacturing the same 有权
    具有优异耐腐蚀性的铁素体不锈钢板及其制造方法

    公开(公告)号：US08465604B2

    公开(公告)日：2013-06-18

    申请号：US11918375

    申请日：2006-07-31

    申请人： Kazuhide Ishii ,  Tomohiro Ishii ,  Osamu Furukimi

    发明人： Kazuhide Ishii ,  Tomohiro Ishii ,  Osamu Furukimi

    IPC分类号： C21D8/00 ,  C22C38/20

    CPC分类号： C21D9/46 ,  C21D6/002 ,  C21D8/0205 ,  C21D9/48 ,  C21D2211/005 ,  C22C38/20 ,  C22C38/28

    摘要： A ferritic stainless steel sheet having excellent corrosion resistance and a method of manufacturing the steel sheet are provided. Specifically, the ferritic stainless steel sheet of the invention contains C of 0.03% or less, Si of 1.0% or less, Mn of 0.5% or less, P of 0.04% or less, S of 0.02% or less, Al of 0.1% or less, Cr of 20.5% to 22.5%, Cu of 0.3% to 0.8%, Ni of 1.0% or less, Ti of 4×(C %+N %) to 0.35%, Nb of less than 0.01%, N of 0.03% or less, and C+N of 0.05% or less, and has the remainder including Fe and inevitable impurities, wherein 240+35×(Cr %−20.5)+280×{Ti %−4×(C %+N %)}≧280 is satisfied.

    摘要翻译： 提供具有优异的耐腐蚀性的铁素体不锈钢板和钢板的制造方法。 具体地说，本发明的铁素体系不锈钢板含有C为0.03％以下，Si为1.0％以下，Mn为0.5％以下，P为0.04％以下，S为0.02％以下，Al为0.1％ 以下的Cr为20.5〜22.5％，Cu为0.3〜0.8％，Ni为1.0％以下，Ti为4×（C％+ N％）〜0.35％，Nb小于0.01％ 0.03％以下，C + N为0.05％以下，其余为Fe和不可避免的杂质，其中240 + 35×（Cr％-20.5）+ 280×{Ti％-4×（C％+ N ％）}> = 280。

    Ferritic Stainless Steel Sheet Having Excellent Corrosion Resistance and Method of Manufacturing the Same
    7.
    发明申请
    Ferritic Stainless Steel Sheet Having Excellent Corrosion Resistance and Method of Manufacturing the Same 有权
    具有优异耐腐蚀性的铁素体不锈钢板及其制造方法

    公开(公告)号：US20090056838A1

    公开(公告)日：2009-03-05

    申请号：US11918375

    申请日：2006-07-31

    申请人： Kazuhide Ishii ,  Tomohiro Ishii ,  Osamu Furukimi

    发明人： Kazuhide Ishii ,  Tomohiro Ishii ,  Osamu Furukimi

    IPC分类号： C21D8/00 ,  C22C38/18

    CPC分类号： C21D9/46 ,  C21D6/002 ,  C21D8/0205 ,  C21D9/48 ,  C21D2211/005 ,  C22C38/20 ,  C22C38/28

    摘要： A ferritic stainless steel sheet having excellent corrosion resistance and a method of manufacturing the steel sheet are provided. Specifically, the ferritic stainless steel sheet of the invention contains C of 0.03% or less, Si of 1.0% or less, Mn of 0.5% or less, P of 0.04% or less, S of 0.02% or less, Al of 0.1% or less, Cr of 20.5% to 22.5%, Cu of 0.3% to 0.8%, Ni of 1.0% or less, Ti of 4×(C %+N %) to 0.35%, Nb of less than 0.01%, N of 0.03% or less, and C+N of 0.05% or less, and has the remainder including Fe and inevitable impurities, wherein 240+35×(Cr %−20.5)+280×{Ti %−4×(C %+N %)}≧280 is satisfied.

    摘要翻译： 提供具有优异的耐腐蚀性的铁素体不锈钢板和钢板的制造方法。 具体地说，本发明的铁素体系不锈钢板含有C为0.03％以下，Si为1.0％以下，Mn为0.5％以下，P为0.04％以下，S为0.02％以下，Al为0.1％ 以下的Cr为20.5％〜22.5％，Cu为0.3〜0.8％，Ni为1.0％以下，Ti为4×（C％+ N％）〜0.35％，Nb小于0.01％，N为0.03 ％以下，C + N为0.05％以下，剩余部分为Fe和不可避免的杂质，其中240 + 35x（Cr％-20.5）+ 280×{Ti％-4x（C％+ N％）}> = 280。

    Metallic material for conductive member, separator for fuel cell using the same, and fuel cell using the separator
    8.
    发明授权
    Metallic material for conductive member, separator for fuel cell using the same, and fuel cell using the separator 有权
    用于导电构件的金属材料，使用该金属材料的燃料电池用隔板和使用隔板的燃料电池

    公开(公告)号：US08278009B2

    公开(公告)日：2012-10-02

    申请号：US10592857

    申请日：2005-03-17

    申请人： Shin Ishikawa ,  Yasushi Kato ,  Osamu Furukimi

    发明人： Shin Ishikawa ,  Yasushi Kato ,  Osamu Furukimi

    IPC分类号： H01M4/64 ,  H01M8/04 ,  H01M8/24

    CPC分类号： H01M8/0206 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  H01M8/021 ,  H01M8/0228 ,  H01M2008/1095

    摘要： A metallic material for a conductive member has good corrosion resistance and low contact resistance. The metallic material has 0.3 μm or less of mean spacing of local peaks of the surface roughness profile. A proton-exchange membrane fuel cell includes a proton-exchange membrane, an electrode, a gas diffusing layer, and a separator using the metallic material for a conductive member, where the metallic material for a conductive member includes a stainless steel and includes 0.03% or less C, 0.03% or less N, 16 to 45% Cr, 0.1 to 5.0% Mo, 0.03% or less (C+N), by mass, and balance of Fe and inevitable impurities, and where the metallic material for a conductive member has 0.3 μm or less of mean spacing of local peaks of the surface roughness profile.

    摘要翻译： 用于导电部件的金属材料具有良好的耐腐蚀性和低接触电阻。 金属材料的表面粗糙度轮廓的局部峰的平均间隔为0.3μm以下。 质子交换膜燃料电池包括质子交换膜，电极，气体扩散层和使用导电构件用金属材料的隔膜，导电性构件用金属材料包括不锈钢，0.0​​3％ 或更少的C，0.03％以下的N，16〜45％的Cr，0.1〜5.0％的Mo，0.03％以下（C + N），余量的Fe和不可避免的杂质， 导电构件的表面粗糙度轮廓的局部峰的平均间隔为0.3μm以下。