摘要:
The present invention provides a method of production of a separator for a solid polymer type fuel cell characterized by shaping a substrate comprised of stainless steel, titanium, or a titanium alloy and then spraying the substrate surface with superhard core particles comprised of conductive compound particles of an average particle size of 0.01 to 20 μm mixed with a coating material and coated on their surfaces under conditions of a spray pressure of 0.4 MPa or less and a spray amount per cm2 of the substrate of 10 to 100 g in blast treatment. The ratio of the conductive compound to the mass of the core particles is 0.5 to 15 mass %.
摘要:
The present invention provides a separator for a solid polymer type fuel cell superior in low contact resistance of the fuel cell separator surface with carbon paper and flatness and a method of production of the same, that is, a separator for a solid polymer type fuel cell comprising a substrate of stainless steel or titanium or a titanium alloy having a surface layer part on which conductive compound particles are fixed, wherein said conductive compound particles are comprised of one or more types of metal borides, metal carbides, and metal nitrides with an average particle size of 0.01 to 20 μm, said conductive compound particles are present in a region from said substrate surface to a depth of 10 μm, and a distribution of concentration of the metal element forming the conductive compound in said region satisfies relations between a concentration C of the metal element forming the conductive compound and a depth x from the substrate surface shown by equation (C=A·exp(−x/t)+B) and equation (10≦A≦90, −4.0≦B≦1.0, 0.5≦t≦4.0).
摘要翻译:本发明提供了一种固体聚合物型燃料电池用隔膜,其特征在于,具有碳纸和平坦度的燃料电池隔板表面的低接触电阻优良的固体聚合物型燃料电池及其制造方法,即固体聚合物型燃料电池用隔板 包括不锈钢或钛的基板或具有固定有导电化合物颗粒的表面层部分的钛合金,其中所述导电化合物颗粒由一种或多种金属硼化物,金属碳化物和金属氮化物组成,平均 所述导电化合物颗粒存在于从所述衬底表面到10μm的深度的区域中,并且在所述区域中形成导电化合物的金属元素的浓度分布满足浓度C 的形成导电化合物的金属元素和由等式1(C = A.exp(-x / t)+ B)所示的衬底表面的深度x) 和等式<2>(10 <= A <= 90,-4.0 <= B <= 1.0,0.5 <= t <= 4.0)。
摘要:
The present invention provides a method of production of a separator for a solid polymer type fuel cell characterized by shaping a substrate comprised of stainless steel, titanium, or a titanium alloy and then spraying the substrate surface with superhard core particles comprised of conductive compound particles of an average particle size of 0.01 to 20 μm mixed with a coating material and coated on their surfaces under conditions of a spray pressure of 0.4 MPa or less and a spray amount per cm2 of the substrate of 10 to 100 g in blast treatment. The ratio of the conductive compound to the mass of the core particles is 0.5 to 15 mass %.
摘要:
The present invention provides a separator for a solid polymer type fuel cell superior in low contact resistance of the fuel cell separator surface with carbon paper and flatness and a method of production of the same, that is, a separator for a solid polymer type fuel cell comprising a substrate of stainless steel or titanium or a titanium alloy having a surface layer part on which conductive compound particles are fixed, wherein said conductive compound particles are comprised of one or more types of metal borides, metal carbides, and metal nitrides with an average particle size of 0.01 to 20 μm, said conductive compound particles are present in a region from said substrate surface to a depth of 10 μm, and a distribution of concentration of the metal element forming the conductive compound in said region satisfies relations between a concentration C of the metal element forming the conductive compound and a depth x from the substrate surface shown by equation (C=A·exp(−x/t)+B) and equation (10≦A≦90, −4.0≦B≦1.0, 0.5≦t≦4.0).
摘要:
A video signal processing circuit capable of converting digital color difference signals directly into a carrier chrominance signal is described. The processing circuit includes a first flip-flop for latching the first sampling clock signal of the first and second color difference signals with a second sampling clock signal having a frequency which is an integer multiple of a subcarrier frequency of the carrier chrominance signal to be produced, second and third flip-flops for respectively latching the first and second color difference signals with a third sampling clock signal obtained from the first flip-flop, and carrier chrominance signal generating circuit for generating the carrier chrominance signal from the first and second color difference signals outputted from the second and third flip-flops.