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1. 发明授权

US08137866B2 Titanium material for fuel cell separator having low contact resistance 有权
标题翻译：用于燃料电池隔板的钛材料具有低接触电阻
公开(公告)号：US08137866B2
公开(公告)日：2012-03-20
申请号：US11995937
申请日：2006-07-26
申请人： Jun Suzuki , Toshiki Sato , Kasumi Yanagisawa , Takashi Yashiki , Masahito Fukuda
发明人： Jun Suzuki , Toshiki Sato , Kasumi Yanagisawa , Takashi Yashiki , Masahito Fukuda
IPC分类号： H01M4/66 , H01M4/64
CPC分类号： H01M8/0208 , C22C14/00 , C22C21/06 , C22C29/12 , C22C32/0021 , H01M8/0228
摘要： A separator for a fuel cell comprising a titanium alloy substrate containing at least one noble metal element selected from platinum group elements, Au and Ag; and a layer of a mixture formed on the titanium alloy substrate, said mixture comprising the noble metal element precipitated from the titanium alloy substrate and titanium oxide, and said layer having an average thickness of up to 200 nm; wherein the mixture layer on the surface and the titanium alloy substrate have a conductivity in terms of contact resistance as determined by the following method of up to 12 mΩ·cm2. The contact resistance is determined by placing a carbon cloth having an average thickness of 0.3 mm on opposite surfaces of the titanium alloy substrate having the mixture layer formed thereon; sandwiching the titanium alloy material with a pair of copper electrodes via the carbon cloth, the copper electrodes each having a contact area with the titanium alloy material of 1 cm2; measuring voltage drop between the carbon cloths by using a four terminal ohmmeter while pressing the copper electrodes against the titanium alloy material at a surface pressure of 5 kg/cm2 by using a hydraulic press and applying an electric current of 7.4 mA between the copper electrodes; and calculating the contact resistance from the measured value.
摘要翻译：一种用于燃料电池的隔板，包括含有至少一种选自铂族元素Au和Ag的贵金属元素的钛合金基底; 以及形成在钛合金基板上的混合物层，所述混合物包含从钛合金基板沉淀的贵金属元素和氧化钛，所述层的平均厚度高达200nm; 其中表面上的混合物层和钛合金基底具有通过以下方法测定的接触电阻方面的导电率，其高达12mΩ·cm 2·cm 2。通过将平均厚度为0.3mm的碳布放置在其上形成有混合层的钛合金基板的相对表面上来确定接触电阻; 通过碳布将钛合金材料与一对铜电极夹住，每个与钛合金材料的接触面积为1cm 2的铜电极; 使用四端欧姆计测量碳布之间的电压降，同时使用液压机在铜电极之间施加7.4mA的电流，将铜电极以5kg / cm2的表面压力压在钛合金材料上; 并根据测量值计算接触电阻。

2. 发明申请

US20100119882A1 TITANIUM ELECTRODE MATERIAL 有权
标题翻译：钛电极材料
公开(公告)号：US20100119882A1
公开(公告)日：2010-05-13
申请号：US11995937
申请日：2006-07-26
申请人： Jun Suzuki , Toshiki Sato , Kasumi Yanagisawa , Takashi Yashiki , Masahito Fukuda
发明人： Jun Suzuki , Toshiki Sato , Kasumi Yanagisawa , Takashi Yashiki , Masahito Fukuda
IPC分类号： H01M2/16
CPC分类号： H01M8/0208 , C22C14/00 , C22C21/06 , C22C29/12 , C22C32/0021 , H01M8/0228
摘要： A titanium material for an electrode comprising a titanium alloy substrate containing at least one noble metal element selected from platinum group elements, Au and Ag; and a layer of a mixture formed on the titanium alloy substrate, said mixture comprising the noble metal element precipitated from the titanium alloy substrate and titanium oxide, and said layer having an average thickness of up to 200 nm; wherein the mixture layer on the surface and the titanium alloy substrate have a conductivity in terms of contact resistance as determined by the following method of up to 12 mΩ·cm2. The contact resistance is determined by placing a carbon cloth having an average thickness of 0.3 mm on opposite surfaces of the titanium alloy substrate having the mixture layer formed thereon; sandwiching the titanium alloy material with a pair of copper electrodes via the carbon cloth, the copper electrodes each having a contact area with the titanium alloy material of 1 cm2; measuring voltage drop between the carbon cloths by using a four terminal ohmmeter while pressing the copper electrodes against the titanium alloy material at a surface pressure of 5 kg/cm2 by using a hydraulic press and applying an electric current of 7.4 mA between the copper electrodes; and calculating the contact resistance from the measured value.
摘要翻译：一种用于电极的钛材料，包括含有至少一种选自铂族元素Au和Ag的贵金属元素的钛合金基底; 以及形成在钛合金基板上的混合物层，所述混合物包含从钛合金基板沉淀的贵金属元素和氧化钛，所述层的平均厚度高达200nm; 其中表面上的混合物层和钛合金基底具有通过以下方法测定的接触电阻方面的导电率，其高达12mΩ·cm 2·cm 2。通过将平均厚度为0.3mm的碳布放置在其上形成有混合层的钛合金基板的相对表面上来确定接触电阻; 通过碳布将钛合金材料与一对铜电极夹住，每个与钛合金材料的接触面积为1cm 2的铜电极; 使用四端欧姆计测量碳布之间的电压降，同时使用液压机在铜电极之间施加7.4mA的电流，将铜电极以5kg / cm2的表面压力压在钛合金材料上; 并根据测量值计算接触电阻。

3. 发明申请

US20100151358A1 METHOD FOR MANUFACTURING FUEL CELL SEPARATOR, FUEL CELL SEPARATOR AND FUEL CELL 审中-公开
标题翻译：燃料电池分离器，燃料电池分离器和燃料电池的制造方法
公开(公告)号：US20100151358A1
公开(公告)日：2010-06-17
申请号：US12441722
申请日：2007-09-25
申请人： Toshiki Sato , Jun Suzuki , Takashi Yashiki , Masahito Fukuda , Yasuko Fukuda
发明人： Toshiki Sato , Jun Suzuki , Takashi Yashiki , Masahito Fukuda , Yasuko Fukuda
IPC分类号： H01M8/02 , C23C14/34
CPC分类号： H01M8/0208 , C23C14/16 , C23C14/34 , C23C14/5806 , C23C14/5853 , H01M8/0206 , H01M8/0228 , H01M2008/1095 , Y02P70/56
摘要： A method for manufacturing a fuel cell separator, including: forming by a PVD method a precious metal layer on a surface of a substrate, as a fuel cell separator, made of Ti or a Ti alloy, wherein the precious metal layer includes at least one precious metal selected from Ru, Rh, Pd, Os, Ir, Pt and Au and has a thickness of 2 nm or more, and a heat treatment wherein the substrate on which the precious metal layer was formed in the precious metal layer forming is subjected to a heat treatment at a predetermined heat treatment temperature and under a predetermined oxygen partial pressure. According to the method, a fuel cell separator made of Ti or a Ti alloy having excellent corrosion resistance, good adhesion of a precious metal layer, low contact resistance, and further excellent productivity can be produced.
摘要翻译：一种制造燃料电池隔板的方法，包括：通过PVD法在由Ti或Ti合金制成的基板的表面上形成贵金属层作为燃料电池隔板，其中所述贵金属层包括至少一个选自Ru，Rh，Pd，Os，Ir，Pt和Au的贵金属，并且具有2nm以上的厚度，并且进行在形成贵金属层中形成贵金属层的基板的热处理在预定的热处理温度和预定的氧分压下进行热处理。根据该方法，可以制造具有优异的耐腐蚀性，贵金属层的良好的附着力，低接触电阻和更优异的生产率的由Ti或Ti合金制成的燃料电池隔板。

4. 发明申请

US20060003174A1 Titanium material and method for manufacturing the same 审中-公开
标题翻译：钛材料及其制造方法
公开(公告)号：US20060003174A1
公开(公告)日：2006-01-05
申请号：US11149206
申请日：2005-06-10
申请人： Takashi Yashiki , Shinji Sakashita , Toshiki Sato , Masahito Fukuda
发明人： Takashi Yashiki , Shinji Sakashita , Toshiki Sato , Masahito Fukuda
IPC分类号： B32B15/04 , B05D1/18
CPC分类号： H01M8/0208 , H01M8/0228 , Y02P70/56 , Y10T428/1259 , Y10T428/12806
摘要： A titanium material of the present invention includes a base material composed of a titanium alloy containing at least one alloying element selected from the group consisting of gold, silver, and platinum group elements; and a concentrated layer integrally disposed as a layer on the surface of the base material. In the concentrated layer, the alloying elements are concentrated by elution of Ti from the surface of the base material. The average thickness of the concentrated layer is 2.5 nm or more. The total alloying element concentration in the concentrated layer is 40 to 100 atomic percent. The total content of the alloying element in the base material is 0.01 to 1.0 percent by mass. Electrodes composed of the titanium material of the present invention are suitable for use in separators of fuel cells, and can readily be produced, so that the cost can be reduced.
摘要翻译：本发明的钛材料包括由含有选自金，银和铂族元素组成的组中的至少一种合金元素的钛合金构成的基材; 以及在基材的表面上整体地设置为层的浓缩层。在浓缩层中，通过从基材表面洗脱Ti来浓缩合金元素。浓缩层的平均厚度为2.5nm以上。浓缩层中的合金元素的总浓度为40〜100原子％。基材中的合金元素的总含量为0.01〜1.0质量％。由本发明的钛材料构成的电极适用于燃料电池用隔板，能容易地制造，能够降低成本。

5. 发明申请

US20090211667A1 SURFACE TREATMENT METHOD OF TITANIUM MATERIAL FOR ELECTRODES 审中-公开
标题翻译：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
申请人： Jun Suzuki , Toshiki Sato , Jun Hisamoto , Yoshinori Ito , Shinichi Tanifuji , Takashi Yashiki
发明人： Jun Suzuki , Toshiki Sato , Jun Hisamoto , Yoshinori Ito , Shinichi Tanifuji , Takashi Yashiki
IPC分类号： C23C8/10 , C21D9/00
CPC分类号： H01M8/0228 , H01M8/0206 , H01M8/0215
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。

6. 发明申请

US20090130300A1 TITANIUM SUBSTRATE FOR FORMING SEPARATOR FOR FUEL CELL AND METHOD OF MANUFACTURING THE SEPARATOR 审中-公开
标题翻译：用于形成用于燃料电池的分离器的钛基材和制造分离器的方法
公开(公告)号：US20090130300A1
公开(公告)日：2009-05-21
申请号：US12235073
申请日：2008-09-22
申请人： Jun Suzuki , Toshiki Sato , Takashi Yashiki , Yoshinori Ito , Shinichi Tanifuji
发明人： Jun Suzuki , Toshiki Sato , Takashi Yashiki , Yoshinori Ito , Shinichi Tanifuji
IPC分类号： B05D5/12 , B32B15/04
CPC分类号： H01M8/0206 , H01M8/0228 , H01M2008/1095 , Y02P70/56 , Y10T428/31678
摘要： A titanium substrate, for forming a separator for a fuel cell, is made of titanium or a titanium alloy and has surface layers containing carbon having binding energy in the range of to 284 eV as measured by x-ray photoelectron spectroscopy in a carbon content of 25% at. or below.
摘要翻译：用于形成用于燃料电池的隔板的钛基底由钛或钛合金制成，并且具有通过x射线光电子能谱测定的具有在284eV范围内的结合能的碳的表面层，其碳含量 25％在。或以下。

7. 发明授权

US07951466B2 Titanium alloys excellent in hydrogen absorption-resistance 有权
标题翻译：耐氢吸收性优异的钛合金
公开(公告)号：US07951466B2
公开(公告)日：2011-05-31
申请号：US10522779
申请日：2003-02-06
申请人： Shinji Sakashita , Takashi Yashiki , Katsuhiro Matsukado , Takenori Nakayama
发明人： Shinji Sakashita , Takashi Yashiki , Katsuhiro Matsukado , Takenori Nakayama
IPC分类号： C25D11/02 , C22C14/00
CPC分类号： C22F1/183 , C22C14/00 , C23C8/10 , C23C26/00 , C23C28/321 , C23C28/345 , Y10T428/1259
摘要： A titanium alloy material includes a Ti—Al alloy and an oxide film on the Ti—Al alloy. The Ti—Al alloy contains 0.50-3.0 mass % Al and a balance of Ti and unavoidable impurities. The titanium alloy material has excellent hydrogen absorption resistance and can be used as a basic structural material in hydrogen absorption environments.
摘要翻译：钛合金材料包括Ti-Al合金和Ti-Al合金上的氧化物膜。 Ti-Al合金含有0.50-3.0质量％Al，余量为Ti和不可避免的杂质。钛合金材料具有优异的耐氢吸收性，可用作氢吸收环境中的基本结构材料。

8. 发明申请

US20100173171A1 TITANIUM ALLOY AND ENGINE EXHAUST PIPES 有权
标题翻译：钛合金和发动机排气管
公开(公告)号：US20100173171A1
公开(公告)日：2010-07-08
申请号：US12294619
申请日：2007-03-29
申请人： Takashi Yashiki , Kenji Yamamoto , Eiichiro Yoshikawa
发明人： Takashi Yashiki , Kenji Yamamoto , Eiichiro Yoshikawa
IPC分类号： B32B1/08 , B22D25/06 , C22C14/00 , B32B15/04 , B32B5/14 , C21D7/06
CPC分类号： C23C24/04 , C22C14/00 , C22F1/00 , C22F1/18 , C22F1/183 , F01N13/08 , F01N13/16 , F01N2530/02 , Y10T428/12292 , Y10T428/12458 , Y10T428/31678
摘要： The present invention provides a titanium material having high-temperature oxidation resistance at high temperatures above 800° C. and an exhaust pipe made of this titanium material for an engine. A titanium alloy contains 0.15 to 2% by mass Si, has an Al content below 0.30% by mass, and has equiaxial structure having a mean grain size of 15 μm or above. The high-temperature oxidation resistance of the titanium alloy at high temperatures above 800° C., such as 850° C., is improved by means including adding Nb, Mo and Cr in combination with Si to the titanium alloy, forming equiaxial structure of coarse grains, creating acicular structure, Si-enrichment of a surface layer of the titanium alloy, and reducing impurities including copper, oxygen and carbon contained in the titanium alloy.
摘要翻译：本发明提供一种在高于800℃的高温下具有高温抗氧化性的钛材料和由该用于发动机的钛材料制成的排气管。钛合金含有0.15〜2质量％的Si，Al含量低于0.30质量％，具有平均粒径为15μm以上的等轴结构。通过将Nb，Mo和Cr与Si组合添加到钛合金中的方式，钛合金在高于800℃（例如850℃）的高温下的高温抗氧化性得到改善，形成等轴结构产生针状结构，钛合金表层的Si富集，以及还原包含在钛合金中的铜，氧和碳的杂质。

9. 发明授权

US07166367B2 Titanium alloy having excellent high-temperature oxidation and corrosion resistance 有权
标题翻译：钛合金具有优异的高温氧化和耐腐蚀性能
公开(公告)号：US07166367B2
公开(公告)日：2007-01-23
申请号：US11067763
申请日：2005-03-01
申请人： Takashi Yashiki , Kenji Yamamoto , Wataru Urushihara
发明人： Takashi Yashiki , Kenji Yamamoto , Wataru Urushihara
IPC分类号： F01N7/16 , B32B15/01 , C22C14/00
CPC分类号： C22C14/00 , B32B15/017 , Y10T428/12743 , Y10T428/12806
摘要： A titanium alloy having excellent high-temperature oxidation and corrosion resistance is disclosed which comprises, by mass, Al: 0.30–1.50%, and Si: 0.10–1.0%. Preferably, amass ratio Si/Al is not less than 1/3. More preferably, the titanium alloy further comprises Nb: 0.1–0.5% by mass. The titanium alloy is useful as an exhaust system material for a vehicle or a motorbike, which enhances corrosion and high-temperature oxidation resistance, while utilizing inherent lightness and corrosion resistance of an original titanium alloy without impairing economy and workability.
摘要翻译：公开了具有优异的耐高温氧化和耐腐蚀性的钛合金，其中Al：0.30-1.50％，Si：0.10-1.0％。优选地，积分比Si / Al不小于1/3。更优选地，钛合金还包含Nb：0.1-0.5质量％。钛合金可用作车辆或摩托车的排气系统材料，其可以在不损害经济性和可加工性的同时利用原始钛合金的固有亮度和耐腐蚀性而提高耐腐蚀性和耐高温抗氧化性。

10. 发明授权

US5437835A Corrosion resistant Ti alloy containing Cu, Si, and a platinum group metal 失效
标题翻译：含有Cu，Si和铂族金属的耐腐蚀Ti合金
公开(公告)号：US5437835A
公开(公告)日：1995-08-01
申请号：US186547
申请日：1994-01-26
申请人： Yasuaki Sugizaki , Keiji Ueda , Hiroshi Satoh , Hidetoshi Nishimoto , Tatsuya Yasunaga , Takashi Yashiki
发明人： Yasuaki Sugizaki , Keiji Ueda , Hiroshi Satoh , Hidetoshi Nishimoto , Tatsuya Yasunaga , Takashi Yashiki
IPC分类号： C22C14/00
CPC分类号： C22C14/00
摘要： A corrosion resistant Ti based alloy comprising:Cr: 0.005-2.0 wt %, and further comprising one or more of elements selected from:Ni: 0.005-2.0 wt %, Pd: 0.005-2.0 wt %, Ru: 0.005-2.0 wt %, Pt: 0.005-2.0 wt %, Os: 0.005-2.0 wt %, Ir: 0.005-2.0 wt %, Rh: 0.005-2.0 wt %, andthe balance of Ti and inevitable impurities.Cr may be replaced with one or more of 0.005-1.5 wt % of Cu and 0.005-1.5 wt % of Si, or 0.005-2.0 wt % of Al. The corrosion resistant Ti based alloy has excellent corrosion resistance also in a non-oxidative atmosphere and also has an excellent crevice corrosion resistance.
摘要翻译：一种耐蚀Ti基合金，其特征在于：Cr：0.005〜2.0重量％，进一步含有选自Ni：0.005〜2.0重量％，Pd：0.005〜2.0重量％，Ru：0.005〜2.0重量％，Pt：0.005〜2.0重量％，Os：0.005〜2.0重量％，Ir：0.005〜2.0重量％，Rh：0.005〜2.0重量％，余量由Ti和不可避免的杂质构成。可以用0.005-1.5重量％的Cu和0.005-1.5重量％的Si或0.005-2.0重量％的Al中的一种或多种来代替Cr。耐腐蚀的Ti基合金在非氧化性气氛中也具有优良的耐腐蚀性，并且还具有良好的耐缝隙腐蚀性。

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