Patent application number | Description | Published |
20090130300 | TITANIUM SUBSTRATE FOR FORMING SEPARATOR FOR FUEL CELL AND METHOD OF MANUFACTURING THE SEPARATOR - 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. | 05-21-2009 |
20090211667 | SURFACE TREATMENT METHOD OF TITANIUM MATERIAL FOR ELECTRODES - Disclosed herein is a surface treatment method of a titanium material for electrodes characterized by including: a titanium oxide layer formation step S | 08-27-2009 |
20090297951 | ANODE FOR LITHIUM ION SECONDARY BATTERY, PRODUCTION METHOD THEREOF, AND LITHIUM ION SECONDARY BATTERY USING THE SAME - Disclosed is anode for use in a lithium ion secondary battery. The anode includes an anode current collector and an anode active material arranged thereon, in which the anode active material contains amorphous carbon and at least one metal dispersed in the amorphous carbon, and the at least one metal is selected from: 30 to 70 atomic percent of Si; and 1 to 40 atomic percent of Sn. The anode gives a lithium ion secondary battery that has a high charge/discharge capacity and is resistant to deterioration of its anode active material even after repetitive charge/discharge cycles. | 12-03-2009 |
20100203424 | CORROSION RESISTANT FILM FOR FUEL CELL SEPARATOR AND FUEL CELL SEPARATOR - The present invention provides: a corrosion resistant film that yields the effect of keeping a low contact resistance for an extended period of time by covering the surface of a fuel cell separator and is excellent in productivity at a low cost; and a separator using the corrosion resistant film. A separator according to the present invention has a corrosion resistant film formed by laminating a corrosion resistant layer and a conductive layer comprising one or more kinds of noble metal elements selected from the group of Au and Pt on the surface of a substrate comprising a metallic material such as Ti, Al, or SUS. The corrosion resistant layer: comprises an alloy of one or more kinds of noble metal elements selected from the group of Au and Pt and one or more kinds of normoble metal elements selected from the group of Nb, Ta, Zr, and Hf; and contains the normoble metal elements by 50 to 90 atomic %. An amorphous alloy is thereby formed, pinholes hardly appear even when the film is formed by an ordinary sputtering method or the like, and the substrate is not exposed. By forming such a corrosion resistant layer as the foundation layer, the separator can reduce the thickness of the conductive layer on the surface and the cost. | 08-12-2010 |
20100209786 | SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD THEREFOR - Disclosed are a separator for a fuel cell realizing both the high electrical conductivity and the corrosion resistance and enabling using stably for a long period of time in the fuel cell and a manufacturing method for it. The separator for a fuel cell | 08-19-2010 |
20100233587 | TITANIUM ELECTRODE MATERIAL AND SURFACE TREATMENT METHOD OF TITANIUM ELECTRODE MATERIAL - 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. | 09-16-2010 |
20110189474 | REFLECTIVE FILM LAMINATE - A reflective film laminate is provided with high productivity and at low cost in which a protective film with minimized pinholes is provided to improve the alkali resistance and warm water resistance of the reflective film laminate including a pure Al film or an Al-based alloy film so that a reflectivity reduction resulting from the elution or oxidization of the Al film in an alkaline or warm water environment is less likely to occur. The reflective film laminate of the present invention includes, over a substrate, a pure Al film or an Al-based alloy film as a first layer, and an oxide film of a metal containing one or more elements selected from the group consisting of Zr, Cr, Y, Nb, Hf, Ta, W, Ti, Si, and Mo as a second layer over the first layer. The thickness of the second layer is 0.1 to 10 nm. | 08-04-2011 |
20120287659 | REFLECTIVE FILM LAMINATE - Disclosed is a reflective film laminate, which has a pure Ag film or an Ag-based alloy film as a first layer on a base body, and an oxide film of a metal of one or more kinds selected from among Zr, Cr, Nb, Hf, Ta, V, Ni, Mo, W, Al and Si, as a second layer on the first layer. The thickness of the second layer is 0.1 to 10 nm, and deterioration of the reflection ratio of reflective film laminate is 30% or less by having the second layer provided therein. The reflective film laminate is provided with a protection film, which has a high initial reflection ratio, excellent sulfuration resistance and heat resistance, and an extremely small number of pin holes. As a result, the reflection ratio of the reflective film laminate is not easily deteriorated due to aggregation of Ag atoms of the Ag film. | 11-15-2012 |
20130130153 | TITANIUM FUEL CELL SEPARATOR - Disclosed is a titanium fuel cell separator having excellent conductivity and durability. In the disclosed titanium fuel cell separator ( | 05-23-2013 |
20130164654 | TITANIUM FUEL CELL SEPARATOR - Disclosed is a titanium fuel cell separator having excellent conductivity and durability. In the disclosed titanium fuel cell separator ( | 06-27-2013 |
20130252136 | FUEL CELL SEPARATOR MATERIAL, FUEL CELL, AND METHOD FOR MANUFACTURING FUEL CELL SEPARATOR MATERIAL - It is an object to provide a fuel cell separator material excellent in electroconductivity and corrosion resistance and capable of excellently adhering to a gasket material by stipulating a novel separator material, a fuel cell, and a method for manufacturing the fuel cell separator material. | 09-26-2013 |
20130302719 | FUEL CELL SEPARATOR - Provided is a fuel cell separator that can maintain a low contact resistance for a long period of time while being used for a fuel cell, by using a carbon film that can be formed with high productivity. The fuel cell separator | 11-14-2013 |
20140099544 | ELECTRODE MATERIAL AND MANUFACTURING METHOD THEREOF - Provided is an electrode material with excellent tab weldability and realizing decreased contact resistance with an active material layer. A collector (electrode material) ( | 04-10-2014 |