Titanium electrode material and surface treatment method of titanium electrode material
    1.
    发明授权
    Titanium electrode material and surface treatment method of titanium electrode material 失效
    钛电极材料和钛电极材料的表面处理方法

    公开(公告)号:US08349519B2

    公开(公告)日:2013-01-08

    申请号:US12709935

    申请日:2010-02-22

    IPC分类号: H01M8/00

    摘要: It is an object of the present invention to provide a titanium electrode material which is low in cost and is excellent in electric conductivity, corrosion resistance and hydrogen absorption resistance, and a surface treatment method of a titanium electrode material. A titanium electrode material includes: on the surface of a titanium material including pure titanium or a titanium alloy, a titanium oxide layer having a thickness of 3 nm or more and 75 nm or less, and having an atomic concentration ratio of oxygen and titanium (O/Ti) at a site having the maximum oxygen concentration in the layer of 0.3 or more and 1.7 or less; and an alloy layer including at least one noble metal selected from Au, Pt, and Pd, and at least one non-noble metal selected from Zr, Nb, Ta, and Hf, having a content ratio of the noble metal and the non-noble metal of 35:65 to 95:5 by atomic ratio, and having a thickness of 2 nm or more, on the titanium oxide layer. The surface treatment method of a titanium electrode material includes a titanium oxide layer formation step, an alloy layer formation step, and a heat treatment step.

    摘要翻译: 本发明的目的是提供一种成本低且导电性,耐腐蚀性和耐氢吸收性优异的钛电极材料以及钛电极材料的表面处理方法。 钛电极材料包括:在包括纯钛或钛合金的钛材料的表面上,具有3nm以上且75nm以下的氧化钛层,并且具有氧和钛的原子浓度比( O / Ti)在层中的最大氧浓度为0.3以上且1.7以下的部位; 以及包含选自Au,Pt和Pd中的至少一种贵金属和选自Zr,Nb,Ta和Hf中的至少一种非贵金属的合金层,其具有贵金属和非金属的含量比, 在氧化钛层上的原子比为35:65〜95:5的贵金属,厚度为2nm以上。 钛电极材料的表面处理方法包括氧化钛层形成步骤,合金层形成步骤和热处理步骤。

    Metal separator for fuel cell and manufacturing method thereof
    2.
    发明授权
    Metal separator for fuel cell and manufacturing method thereof 有权
    燃料电池用金属隔板及其制造方法

    公开(公告)号:US08298723B2

    公开(公告)日:2012-10-30

    申请号:US12594825

    申请日:2008-03-05

    IPC分类号: H01M8/04

    摘要: A metal separator 1 for a fuel cell according to the invention is a metal separator for a fuel cell manufactured by using a metal substrate 2 with a flat surface, or with concave gas flow paths formed on at least a part of the surface. The metal separator 1 includes an acid-resistant metal film 3 formed over the surface of the metal substrate 2, and containing one or more kinds of non-noble metals selected from the group comprised of Zr, Nb, and Ta, and a conductive alloy film 4 formed over the acid-resistant metal film 3, and containing one or more kinds of noble metals selected from the group comprised of Au and Pt, and one or more kinds of non-noble metals selected from the group comprised of Zr, Nb, and Ta. A method for manufacturing the metal separator for a fuel cell according to the invention includes a step S1 of depositing an acid-resistant metal film, and a step S2 of depositing a conductive alloy film. With this structure, the invention provides the metal separator for a fuel cell with an excellent acid resistance and a low contact resistance, and a manufacturing method thereof.

    摘要翻译: 根据本发明的用于燃料电池的金属隔板1是通过使用具有平坦表面的金属基板2或者形成在表面的至少一部分上的凹入气体流路而制造的用于燃料电池的金属隔板。 金属隔板1包括在金属基板2的表面上形成的耐酸金属膜3,并且含有选自Zr,Nb,Ta中的一种以上的非贵金属和导电性合金 在耐酸金属膜3上形成的含有选自Au和Pt的一种或多种贵金属的一种或多种选自Zr,Nb ,和Ta。 根据本发明的燃料电池用金属隔板的制造方法包括沉积耐酸金属膜的工序S1和沉积导电性合金膜的工序S2。 利用该结构,本发明提供了具有优异的耐酸性和低接触电阻的燃料电池用金属隔板及其制造方法。

    TITANIUM ELECTRODE MATERIAL AND SURFACE TREATMENT METHOD OF TITANIUM ELECTRODE MATERIAL
    3.
    发明申请
    TITANIUM ELECTRODE MATERIAL AND SURFACE TREATMENT METHOD OF TITANIUM ELECTRODE MATERIAL 失效
    钛电极材料的钛电极材料与表面处理方法

    公开(公告)号:US20100233587A1

    公开(公告)日:2010-09-16

    申请号:US12709935

    申请日:2010-02-22

    IPC分类号: H01M8/00

    摘要: It is an object of the present invention to provide a titanium electrode material which is low in cost and is excellent in electric conductivity, corrosion resistance and hydrogen absorption resistance, and a surface treatment method of a titanium electrode material. A titanium electrode material includes: on the surface of a titanium material including pure titanium or a titanium alloy, a titanium oxide layer having a thickness of 3 nm or more and 75 nm or less, and having an atomic concentration ratio of oxygen and titanium (O/Ti) at a site having the maximum oxygen concentration in the layer of 0.3 or more and 1.7 or less; and an alloy layer including at least one noble metal selected from Au, Pt, and Pd, and at least one non-noble metal selected from Zr, Nb, Ta, and Hf, having a content ratio of the noble metal and the non-noble metal of 35:65 to 95:5 by atomic ratio, and having a thickness of 2 nm or more, on the titanium oxide layer. The surface treatment method of a titanium electrode material includes a titanium oxide layer formation step, an alloy layer formation step, and a heat treatment step.

    摘要翻译: 本发明的目的是提供一种成本低且导电性,耐腐蚀性和耐氢吸收性优异的钛电极材料以及钛电极材料的表面处理方法。 钛电极材料包括:在包括纯钛或钛合金的钛材料的表面上,具有3nm以上且75nm以下的氧化钛层,并且具有氧和钛的原子浓度比( O / Ti)在层中的最大氧浓度为0.3以上且1.7以下的部位; 以及包含选自Au,Pt和Pd中的至少一种贵金属和选自Zr,Nb,Ta和Hf中的至少一种非贵金属的合金层,其具有贵金属和非金属的含量比, 在氧化钛层上的原子比为35:65〜95:5的贵金属,厚度为2nm以上。 钛电极材料的表面处理方法包括氧化钛层形成步骤,合金层形成步骤和热处理步骤。

    SURFACE TREATMENT METHOD OF TITANIUM MATERIAL FOR ELECTRODES
    4.
    发明申请
    SURFACE TREATMENT METHOD OF TITANIUM MATERIAL FOR ELECTRODES 审中-公开
    电极材料表面处理方法

    公开(公告)号:US20090211667A1

    公开(公告)日:2009-08-27

    申请号:US12325478

    申请日:2008-12-01

    IPC分类号: C23C8/10 C21D9/00

    摘要: Disclosed herein is a surface treatment method of a titanium material for electrodes characterized by including: a titanium oxide layer formation step S1 of forming a titanium oxide layer with a thickness of 10 nm or more and 80 nm or less on the surface of a titanium material including pure titanium or a titanium alloy; a noble metal layer formation step S2 of forming a noble metal layer with a thickness of 2 nm or more including at least one noble metal selected from Au, Pt, and Pd on the titanium oxide layer by a PVD method; and a heat treatment step S3 of heat treating the titanium material having the noble metal layer formed thereon at a temperature of 300° C. or more and 800° C. or less.

    摘要翻译: 本发明公开了一种用于电极的钛材料的表面处理方法,其特征在于包括:在钛材料的表面上形成厚度为10nm以上且80nm以下的氧化钛层的氧化钛层形成工序S1 包括纯钛或钛合金; 通过PVD法在氧化钛层上形成厚度为2nm以上的含有选自Au,Pt,Pd中的至少一种贵金属的贵金属层的贵金属层形成工序S2; 以及在300℃以上且800℃以下的温度下对形成有贵金属层的钛材进行热处理的热处理工序S3。

    METAL SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD THEREOF
    5.
    发明申请
    METAL SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD THEREOF 有权
    用于燃料电池的金属分离器及其制造方法

    公开(公告)号:US20100119913A1

    公开(公告)日:2010-05-13

    申请号:US12594825

    申请日:2008-03-05

    摘要: A metal separator 1 for a fuel cell according to the invention is a metal separator for a fuel cell manufactured by using a metal substrate 2 with a flat surface, or with concave gas flow paths formed on at least a part of the surface. The metal separator 1 includes an acid-resistant metal film 3 formed over the surface of the metal substrate 2, and containing one or more kinds of non-noble metals selected from the group comprised of Zr, Nb, and Ta, and a conductive alloy film 4 formed over the acid-resistant metal film 3, and containing one or more kinds of noble metals selected from the group comprised of Au and Pt, and one or more kinds of non-noble metals selected from the group comprised of Zr, Nb, and Ta. A method for manufacturing the metal separator for a fuel cell according to the invention includes a step S1 of depositing an acid-resistant metal film, and a step S2 of depositing a conductive alloy film. With this structure, the invention provides the metal separator for a fuel cell with an excellent acid resistance and a low contact resistance, and a manufacturing method thereof.

    摘要翻译: 根据本发明的用于燃料电池的金属隔板1是通过使用具有平坦表面的金属基板2或者形成在表面的至少一部分上的凹入气体流路而制造的用于燃料电池的金属隔板。 金属隔板1包括在金属基板2的表面上形成的耐酸金属膜3,并且含有选自Zr,Nb,Ta中的一种以上的非贵金属和导电性合金 在耐酸金属膜3上形成的含有选自Au和Pt的一种或多种贵金属的一种或多种选自Zr,Nb ,和Ta。 根据本发明的燃料电池用金属隔板的制造方法包括沉积耐酸金属膜的工序S1和沉积导电性合金膜的工序S2。 利用该结构,本发明提供了具有优异的耐酸性和低接触电阻的燃料电池用金属隔板及其制造方法。

    REGENERATION METHOD OF SEPARATOR FOR FUEL CELL, REGENERATED SEPARATOR FOR FUEL CELL AND FUEL CELL
    6.
    发明申请
    REGENERATION METHOD OF SEPARATOR FOR FUEL CELL, REGENERATED SEPARATOR FOR FUEL CELL AND FUEL CELL 审中-公开
    燃料电池分离器再生方法,燃料电池和燃料电池再生分离器

    公开(公告)号:US20090181283A1

    公开(公告)日:2009-07-16

    申请号:US12341116

    申请日:2008-12-22

    摘要: Disclosed herein is a method for regenerating a separator for a fuel cell in which the separator is composed of a substrate of Ti or Ti alloy and a conductive film formed thereon. The method includes a step of removing the conductive film from the separator for a fuel cell and also removing part of the surface of the substrate, thereby giving a regenerated substrate, and a step of forming a regenerated conductive film on the regenerated substrate. The conductive film and the regenerated conductive film are at least one species of noble metal or alloy thereof selected from the group of noble metals consisting of Au, Pt, and Pd, or an alloy composed of at least one species selected from the group of noble metals and one species selected from the group of metals consisting of Ti, Zr, Hf, Nb, Ta, and Si.

    摘要翻译: 本发明公开了一种燃料电池用隔膜的再生方法,其中隔板由Ti或Ti合金的基板和形成在其上的导电膜构成。 该方法包括从燃料电池用隔板除去导电膜的步骤,还除去基板表面的一部分,从而得到再生基板,以及在再生基板上形成再生导电膜的工序。 导电膜和再生导电膜是选自由Au,Pt和Pd组成的贵金属组的贵金属或其合金中的至少一种,或由至少一种选自贵金属 金属和选自由Ti,Zr,Hf,Nb,Ta和Si组成的金属组中的一种。

    Method for forming anodic oxide film, and aluminum alloy member using the same
    9.
    发明授权
    Method for forming anodic oxide film, and aluminum alloy member using the same 有权
    用于形成阳极氧化膜的方法和使用其的铝合金构件

    公开(公告)号:US09005765B2

    公开(公告)日:2015-04-14

    申请号:US13120600

    申请日:2009-09-16

    CPC分类号: C25D11/06 C25D11/024

    摘要: Provided is an anodic oxide processing method in which the generation of cracks is suppressed in an anodic oxide film formed on an aluminum alloy substrate surface, such as an inner wall of a vacuum chamber of a plasma processing device, and an anodic oxide film having low heat reflectivity and a high withstand voltage is formed with high efficiency. The method for forming an anodic oxide film involves forming the anodic oxide film on the surface of a JIS 6061 aluminum alloy substrate in a sulfuric acid solution or a mixed acid solution of sulfuric acid and oxalic acid.

    摘要翻译: 提供了一种阳极氧化处理方法,其中在诸如等离子体处理装置的真空室的内壁的铝合金基板表面上形成的阳极氧化膜和具有低等离子体处理装置的阳极氧化膜中抑制了裂纹的产生 以高效率形成热反射率和高耐受电压。 形成阳极氧化膜的方法包括在硫酸溶液或硫酸和草酸的混合酸溶液中在JIS 6061铝合金基材的表面上形成阳极氧化膜。

    AL alloy member having excellent corrosion resistance
    10.
    发明授权
    AL alloy member having excellent corrosion resistance 有权
    AL合金构件具有优异的耐腐蚀性

    公开(公告)号:US06686053B2

    公开(公告)日:2004-02-03

    申请号:US10196198

    申请日:2002-07-17

    IPC分类号: B32B1504

    摘要: An Al alloy member having excellent corrosion resistance comprises an Al or Al alloy substrate having an anodic oxide film including a porous layer and a pore-free barrier layer. At least a part of a structure of the barrier layer is altered into boehmite and/or pseudo-boehmite, a dissolution rate of the film is at 100 mg/dm2/15 minutes or below when determined by an immersion test in phosphoric acid/chromic acid (JIS H 8683-2), and a corroded area percent is at 10% or below after allowing the film to stand in an atmosphere of 5% Cl2—Ar gas at 400° C. for 4 hours.

    摘要翻译: 具有优异耐腐蚀性的Al合金构件包括具有包括多孔层和无孔阻隔层的阳极氧化膜的Al或Al合金基底。 阻挡层的结构的至少一部分被改变为勃姆石和/或假勃姆石,当通过磷酸浸渍试验测定时,膜的溶解速率为100mg / dm 2/15分钟或更低 酸/铬酸(JIS H 8683-2),腐蚀面积百分数在使膜在5%Cl 2 -Ar气氛中在400℃下放置4小时后为10%以下。