公开(公告)号：EP2475035A4

公开(公告)日：2017-02-15

申请号：EP10806464

申请日：2010-07-28

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TANAKA KOKI ,  TAKAHASHI KAZUHIRO ,  KIHIRA HIROSHI ,  TOKUNO KIYONORI

IPC分类号： H01M8/02 ,  H01M2/16 ,  H01M2/18 ,  H01M8/10

CPC分类号： H01M8/0206 ,  H01M2/16 ,  H01M2/164 ,  H01M2/1646 ,  H01M2/18 ,  H01M8/0228 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02P70/56 ,  Y10T428/256 ,  Y10T428/265

摘要： The present invention provides titanium material for a separator for solid polymer fuel cell use comprised of titanium which has a surface layer part where conductive compound particles are affixed, which is excellent in contact resistance between the separator surface and carbon paper and in durability, and which is low in cost and superior in recyclability and a method of production of the same. This titanium material for separator use has on the surface of the titanium base material a film comprised of the titanium compound particles made of titanium carbide, titanium nitride, or titanium carbonitride and titanium oxide. The film has a thickness of 0.1 to 1 µm, the coverage rate is an area percentage of 20% or more, and the contents of carbon and nitrogen in the film total 5 to 40 at%. The titanium material for a separator is produced by annealing or shot blasting and pickling.

摘要翻译： 本发明提供了一种用于固体高分子型燃料电池用隔板的钛材料，其特征在于，钛具有表面层部分，导电性化合物颗粒被固定，隔板表面和碳纸之间的接触电阻优良，耐久性好， 成本低，可回收利用性优异，生产方法也不错。 用于分离器用钛材料在钛基材的表面上具有由碳化钛，氮化钛或碳氮化钛和氧化钛制成的钛化合物颗粒的膜。 膜的厚度为0.1〜1μm，覆盖率为20％以上的面积率，膜中的碳和氮的含量为5〜40原子％。 用于隔板的钛材料通过退火或喷丸和酸洗生产。

公开(公告)号：EP3082185A4

公开(公告)日：2017-05-24

申请号：EP15772963

申请日：2015-04-02

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： KAGAWA TAKU ,  TAKAHASHI KAZUHIRO ,  IIJIMA TAKASHI ,  KIMOTO MASANARI ,  IMAMURA JUNKO ,  TOKUNO KIYONORI ,  KURODA ATSUHIKO

IPC分类号： H01M8/0206 ,  C22F1/18 ,  C23C8/02 ,  C23C8/12 ,  C23C8/80 ,  C23G1/10 ,  C25D9/08 ,  H01M8/0208 ,  H01M8/0215 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0228 ,  H01M8/1018

CPC分类号： H01M8/0228 ,  C22F1/183 ,  C23C8/02 ,  C23C8/12 ,  C23C8/80 ,  C23G1/106 ,  C25D9/12 ,  C25D11/00 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0215 ,  H01M8/0221 ,  H01M8/0226 ,  H01M2008/1095

摘要： A composite metal foil in which the surface of a titanium foil or a titanium alloy foil is coated with an electrically conductive layer; in the composite metal foil, an electrically conductive film in which TiO is dispersed in an oxide film and the TiO composition ratio [I TiO /(I Ti +I TiO )] found from the maximum intensity of the diffraction peaks of TiO (I TiO ) and the maximum intensity of the diffraction peaks of metal titanium (I Ti ) out of the X-ray diffraction peaks of the surface of the titanium foil or the titanium alloy foil is 0.5% or more is formed on the surface of the titanium foil or the titanium alloy foil, and the electrically conductive layer consists of, in mass%, silver particles with an average particle size of not less than 10 nm and not more than 500 nm: 20% to 90%, a dispersant: 0.2% to 1.0%, and the balance: an acrylic resin or an epoxy resin, and has a thickness of 5 to 50 µm.

摘要翻译： 一种复合金属箔，其中钛箔或钛合金箔的表面涂有导电层; 在复合金属箔中，根据TiO（I TiO）的衍射峰的最大强度求出TiO 2在氧化膜中分散的导电膜，并且TiO组成比[I TiO /（I Ti + I TiO） ），并且钛箔或钛合金箔的表面的X射线衍射峰中的金属钛的衍射峰（I Ti）的最大强度为0.5％以上时，在钛箔 或钛合金箔，导电层以质量％计含有平均粒径为10nm以上500nm以下的银粒子，20％〜90％，分散剂：0.2％〜 1.0％，其余为丙烯酸树脂或环氧树脂，厚度为5〜50μm。

公开(公告)号：EP2913875A4

公开(公告)日：2016-06-01

申请号：EP14745462

申请日：2014-01-31

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TAKAHASHI KAZUHIRO ,  KAGAWA TAKU ,  KIHIRA HIROSHI ,  TOKUNO KIYONORI ,  NISHIMOTO TAKUMI ,  TANAKA KOKI

IPC分类号： C22C14/00 ,  H01M8/0206 ,  H01M8/0247 ,  H01M8/1018

CPC分类号： H01M8/0208 ,  C22C14/00 ,  C23C8/10 ,  H01M8/0206 ,  H01M8/0247 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02P70/56 ,  Y02T90/32

摘要： [Object] To increase contact conductivity with carbon and durability of a titanium or titanium alloy material for a fuel cell separator so as to increase the lifetime of a fuel cell. [Solution] Provided is a titanium or titanium alloy material for a fuel cell separator having a surface shape in which a plurality of projections are distributed, and a titanium oxide film on a surface of the projections. Fine projections are assumed to increase the contact conductivity remarkably. The present invention has high usability in the cell manufacturing industry.

公开(公告)号：EP3098885A4

公开(公告)日：2017-05-31

申请号：EP15740971

申请日：2015-01-22

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TAKAHASHI KAZUHIRO ,  KAGAWA TAKU ,  KIMOTO MASANARI ,  IMAMURA JUNKO ,  TOKUNO KIYONORI ,  KURODA ATSUHIKO

IPC分类号： H01M8/0206 ,  C22C14/00 ,  C22F1/00 ,  C22F1/18 ,  C23C14/08 ,  C23C14/34 ,  C23C22/06 ,  C23C22/83 ,  C25D9/08 ,  H01M8/0215 ,  H01M8/0245 ,  H01M8/1018

CPC分类号： H01M8/0228 ,  C22C14/00 ,  C22F1/18 ,  C22F1/183 ,  C23C14/083 ,  C23C14/34 ,  C23C22/54 ,  C23C22/83 ,  C23G1/106 ,  C25D9/08 ,  C25D9/12 ,  C25D11/00 ,  H01M8/0206 ,  H01M8/0215 ,  H01M8/0245 ,  H01M8/1018 ,  H01M2008/1095 ,  H01M2300/0065

摘要： The composition ratio of a titanium hydride [I Ti-H /(I Ti + I Ti-H )] × 100 found from the maximum intensity of metal titanium (I Ti ) and the maximum intensity of the titanium hydride (I Ti-H ) of the X-ray diffraction peaks measured at a surface of a titanium or a titanium alloy at an incident angle to the surface of 0.3° is 55% or more, a titanium oxide film is formed on an outermost surface of the titanium or the titanium alloy, and C is at 10 atomic% or less, N is at 1 atomic% or less, and B is at 1 atomic% or less in a position where the surface has been subjected to sputtering of 5 nm with argon. The titanium oxide film is formed by performing stabilization treatment after performing passivation treatment in prescribed aqueous solutions, and has a thickness of 3 to 10 nm.

摘要翻译： 根据金属钛的最大强度（I Ti）和氢化钛的最大强度（I Ti-H）求出氢化钛的组成比[I Ti -H /（I Ti + I Ti -H）]×100 ）在与钛表面的入射角为0.3°时在钛或钛合金表面测定的X射线衍射峰为55％以上，在钛的最外表面形成氧化钛膜或 钛合金，并且在表面经氩气溅射5nm的位置，C为10原子％以下，N为1原子％以下，B为1原子％以下。 氧化钛膜通过在规定的水溶液中进行钝化处理后进行稳定化处理而形成，其厚度为3〜10nm。

公开(公告)号：EP2882019A4

公开(公告)日：2016-03-30

申请号：EP13826045

申请日：2013-07-30

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： KIHIRA HIROSHI ,  YOSIDA YUUICHI ,  KAGAWA TAKU ,  NISHIMOTO TAKUMI ,  TANAKA KOKI ,  KIMURA MASAO ,  TOKUNO KIYONORI ,  TAKAHASHI KAZUHIRO ,  DOMOTO TAKASHI

IPC分类号： H01M8/02 ,  C23C22/24 ,  C23C26/00 ,  C23C28/04 ,  C25D11/26 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0228 ,  H01M8/10

CPC分类号： H01M8/0228 ,  C23C14/34 ,  C23C22/24 ,  C23C22/54 ,  C23C28/042 ,  C23C28/322 ,  C23C28/324 ,  C23C28/3455 ,  C25D11/00 ,  C25D11/26 ,  H01M8/0206 ,  H01M8/0208 ,  Y02P70/56

摘要： [Object] To provide a titanium or titanium alloy material for a separator of a polymer electrolyte fuel cell having high contact conductivity with carbon and high durability. [Solution] The titanium or titanium alloy material includes an oxide film formed on a titanium or titanium alloy substrate by stabilization treatment performed after passivation treatment, and one or more kinds of conductive materials selected from carbide, nitride, carbonitride, and boride of tantalum, titanium, vanadium, zirconium, and chromium, the conductive materials being dispersed in the oxide film and having a major axis diameter from 1 nm to 100 nm. A contact resistance value with a carbon paper is 20 m©·cm 2 or less at a surface pressure of 10 kgf/cm 2 before and after an accelerated deterioration test in which the titanium or titanium alloy material is immersed in a sulfuric acid aqueous solution having an adjusted pH of 4 at 80 °C for four days.

公开(公告)号：EP2337135A4

公开(公告)日：2014-03-05

申请号：EP09817581

申请日：2009-07-30

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TAKAHASHI KAZUHIRO ,  TOKUNO KIYONORI ,  KIHIRA HIROSHI ,  TANAKA KOKI ,  KANEKO MICHIO

IPC分类号： H01M8/02 ,  C23C8/42 ,  H01M8/10

CPC分类号： H01M8/0206 ,  C23C8/42 ,  H01M8/0226 ,  H01M8/0228 ,  H01M2008/1095 ,  Y02P70/56

公开(公告)号：EP2913876A4

公开(公告)日：2016-06-29

申请号：EP14746712

申请日：2014-01-31

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： NISHIMOTO TAKUMI ,  KIHIRA HIROSHI ,  TOKUNO KIYONORI ,  KAGAWA TAKU ,  TANAKA KOKI ,  TAKAHASHI KAZUHIRO

IPC分类号： H01M8/0206 ,  C22C14/00 ,  H01M8/0247 ,  H01M8/1018

CPC分类号： C22C14/00 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0247 ,  H01M8/10 ,  H01M2008/1095 ,  Y02P70/56

公开(公告)号：EP2438990A4

公开(公告)日：2013-05-01

申请号：EP10783482

申请日：2010-06-01

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： KANEKO MICHIO ,  TOKUNO KIYONORI ,  SHIMIZU HIROSHI ,  YAMAGISHI KAZUO ,  SHIMOMURA ASAMI ,  HASEGAWA MITUYUKI ,  YOKOYAMA RURIKO

IPC分类号： B01J35/02 ,  B01J37/08 ,  B01J37/12 ,  C23C8/28 ,  C25D11/26

CPC分类号： B01J21/063 ,  B01J27/22 ,  B01J27/24 ,  B01J35/004 ,  B01J35/065 ,  C25D11/26 ,  Y10T428/31678

摘要： The provision of beautiful colored titanium which is excellent in adhesion of the pure titanium or a titanium alloy with the base material, is excellent in photocatalytic activity, and further is excellent in design properties and a method of production of the same which is excellent in productivity and uses an anodic oxidation process is made the object. A titanium-based material having visible light response and excellent in photocatalytic activity characterized in that the material has pure titanium or titanium alloy as a base material, a thickness of a titanium oxide layer which is present on its surface is 0.1 µm to 5.0 µm in range, said titanium oxide layer contains anatase-type titanium dioxide and titanium bonded with hydroxy groups, and further said titanium oxide layer contains nitrogen and carbon respectively in 0.5 to 30 mass%.

公开(公告)号：EP3139431A4

公开(公告)日：2017-12-13

申请号：EP15810213

申请日：2015-06-01

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： IMAMURA JUNKO ,  TOKUNO KIYONORI ,  KAGAWA TAKU ,  KIMOTO MASANARI ,  MASAKI YASUHIRO

IPC分类号： C23C8/10 ,  C22C14/00 ,  H01M8/0206 ,  H01M8/0247 ,  H01M8/1018

CPC分类号： H01M8/0245 ,  C22C14/00 ,  H01M8/0206 ,  H01M8/0232 ,  H01M8/0247 ,  H01M8/1018 ,  H01M2008/1095 ,  H01M2250/20

摘要： A titanium material comprises: a plate-like matrix made of titanium or a titanium alloy and having a rough surface on which minute protrusions are formed; a surface oxide coating film formed along the rough surface and containing one or more titanium oxides; and a tip covering formed on the surface oxide coating film in an area comprising a tip of the minute protrusion and containing one or more noble metals. A composition ratio of TiO [I TiO /(I Ti + I TiO ) × 100] determined from maximum intensity I TiO of diffraction peaks of TiO and maximum intensity I Ti of diffraction peaks of metal Ti in an X-ray diffraction intensity curve of the surface oxide coating film is more than or equal to 0.5%.

公开(公告)号：EP3073558A4

公开(公告)日：2017-05-17

申请号：EP15740463

申请日：2015-01-22

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TAKAHASHI KAZUHIRO ,  KAGAWA TAKU ,  KIMOTO MASANARI ,  IMAMURA JUNKO ,  TOKUNO KIYONORI ,  KURODA ATSUHIKO

IPC分类号： H01M8/02 ,  C22C14/00 ,  C22F1/00 ,  C22F1/18 ,  C23C22/54 ,  C23C22/82 ,  C25D9/08 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0215 ,  H01M8/0228 ,  H01M8/10 ,  H01M8/1018

CPC分类号： H01M8/0228 ,  C22C14/00 ,  C22F1/183 ,  C23C8/02 ,  C23C8/12 ,  C23C8/80 ,  C23G1/106 ,  C25D9/08 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0215 ,  H01M2008/1095 ,  Y02P70/56

摘要： In a titanium material or a titanium alloy material, in an oxide film formed on a surface of a titanium or a titanium alloy, the composition ratio of TiO (I TiO /(I Ti + I TiO )) × 100 found from the maximum intensity of the X-ray diffraction peaks of TiO (I TiO ) and the maximum intensity of the X-ray diffraction peaks of metal titanium (I Ti ) in X-ray diffraction measured at an incident angle to the surface of 0.3° is 0.5% or more. A titanium material or a titanium alloy material, and a fuel cell separator and a polymer electrolyte fuel cell having good contact-to-carbon electrical conductivity and good durability can be provided.

摘要翻译： 在钛材料或钛合金材料中，在形成于钛或钛合金表面上的氧化物膜中，由最大强度求出的TiO（I TiO /（I Ti + I TiO））×100的组成比 的TiO（I TiO）的X射线衍射峰和相对于0.3°的表面入射角测定的X射线衍射中的金属钛的X射线衍射峰的最大强度（I Ti）为0.5％ 或者更多。 可以提供具有良好的接触碳导电性和良好的耐久性的钛材料或钛合金材料，以及燃料电池隔板和聚合物电解质燃料电池。