Patent application number | Description | Published |
20100320640 | Method of Fabricating Slag Fiber Friction Material - Slag fiber is used to fabricate a friction material. Friction factor and abrasion loss of the friction material are controlled. The friction material can be used to make linings. Thus, slag fiber can be used as a replace of natural material to make a friction material, and waste is thus recycled. | 12-23-2010 |
20110311432 | METHOD FOR MANUFACTURING GRAPHENE - A method for manufacturing graphene is disclosed, which comprises the following steps: putting graphite material and an organic solvent, a surfactant, or a combination thereof in a reaction tank and introducing a supercritical fluid in the reaction tank to allow the organic solvent, the surfactant, or the combination thereof to dissolve in the supercritical fluid and to permeate into the graphite material; and removing the supercritical fluid by depressurization to form graphene. The method of the present invention has simple steps and reduced consumption of manufacturing time, and also can promote the quality of the resultant graphene in large-scale manufacturing. | 12-22-2011 |
20150015166 | FIELD EMISSION CATHODE AND FIELD EMISSION LIGHT USING THE SAME - A field emission cathode comprises at least one electron emitting parcel, and at least one ion absorbing parcel each being electrically connected with each of the at least one electron emitting parcel. The electron emitting parcel includes a first substrate and a nano emission component disposed on the first substrate for emitting electrons in an electric field. The ion absorbing parcel is constituted by a second substrate, in which the electric conductivity of the first substrate is less than that of the second substrate. A field emission light comprises the said field emission cathode, a field emission anode and a power supply. Thus the positive ions in an electric field can be absorbed by ion absorbing parcels to suppress an ion bombardment in the electric field. The efficiency of the electric field of the field emission is then maintained, and the lifetime of the field emission light is enhanced. | 01-15-2015 |
Patent application number | Description | Published |
20090309481 | Field emission device and method for fabricating cathode emitter and zinc oxide anode - The present invention relates to methods for fabricating a cathode emitter and a zinc oxide anode for a field emission device to improve the adhesion between emitters and a substrate and enhance the luminous efficiency of a zinc oxide thin film so that the disclosed methods can be applied in displays and lamps. In comparison to a conventional method for fabricating a field emission device, the method according to the present invention can reduce the cost and time for manufacture and is suitable for fabricating big-sized products. In addition, the present invention further discloses a field emission device comprising a zinc oxide/nano carbon material cathode, a zinc oxide anode and a spacer. | 12-17-2009 |
20100075063 | Method for preparing surface modification coating of metal bipolar plates - A method for preparing a surface modification coating of metal bipolar plates is disclosed, which comprises the following steps: providing a substrate; pre-treating the substrate by processing the substrate, depositing a Ni-layer on the substrate, or a combination thereof, to form an activated layer on the surface of the substrate; packing the substrate in a powder mixture containing a permeated master metal, an activator, and filler powder; and heat-treating the packing to allow the permeated master metal to diffuse into the activated layer and then to form a surface modification coating. The permeation rate of the permeated master metal can be increased due to the activated layer having a high defect concentration. Hence, it is possible to prepare a surface modification coating at a low temperature. The surface modification coating of the present invention can also decrease the interface contact resistance between the bipolar plates and gas diffusion layers. | 03-25-2010 |
20100323101 | Method for preparing surface modification coating of metal bipolar plates - A method for preparing a surface modification coating of metal bipolar plates is disclosed, which comprises the following steps: providing a metal substrate; pre-treating the metal substrate by substrate processing, depositing a Ni-based alloy layer on the metal substrate, or the combination thereof to form an activated layer on the surface of the metal substrate; packing the metal substrate in a powder mixture comprising permeated master metal, an activator, and filler powders; heat-treating the metal substrate in the powder mixture to allow the permeated master metal to diffuse into the activated layer and then to form a surface modification coating. The permeation rate of the permeated master metal can be increased due to high defect concentration of the activated layer. Hence, a corrosion-resistant surface modification coating is prepared at a low temperature, and it can decrease the interface contact resistance between the metal bipolar plates and gas diffusion layers. | 12-23-2010 |
Patent application number | Description | Published |
20080248430 | Process for preparing a nano-carbon material field emission cathode plate - A nano-carbon material field emission cathode plate is prepared by an oxidation-reduction reaction, which includes immersing a substrate having a first metal layer thereon in a solution of a second metal salt with a nano-carbon material dispersed therein. A difference between the two standard redox potentials of the first metal and the second metal is so great that ions of the second metal in the solution are reduced to elemental metal while the first metal is oxidized, and thus a layer of the second metal is formed on the first metal layer with the nano-carbon material partially embedded in the second metal layer. | 10-09-2008 |
20090041941 | Method for forming a metal pattern on a substrate - A method for forming a metal pattern on a substrate via printing and electroless plating is disclosed, which includes printing a pattern on the substrate with an ink composition, drying the printed pattern, and contacting the dried pattern with an electroless plating solution. The ink composition either contains components (i), (ii) and (iii), components (i) and (iv), or components (i) and (v), which are dissolved or dispersed in a solvent, wherein (i) is a binder; (ii) is a sulfate terminated polymer of an ethylenically unsaturated monomer; (iii) is a catalytic metal precursor; (iv) is a polymer of an ethylenically unsaturated monomer deposited with particles of catalytic metal; and (v) is a copolymer of an ethylenically unsaturated monomer and a hydrophilic monomer deposited with particles of catalytic metal. The binder (i) is a water swellable resin. The catalytic metal may be Au, Ag, Pd, Pt or Ru. | 02-12-2009 |
20100015338 | PROCESS FOR PREPARING A METAL STYRENE POLYMER COMPOSITE HAVING NANO METALLIC PARTICLES DEPOSITED THEREON - A process for preparing a metal styrene polymer composite having nano metallic particles deposited thereon is disclosed, which includes a) undergoing free radical polymerization of styrene and an optional co-monomer in the presence of a persulfate initiator and a chain transfer agent; and b) contacting the resulting styrene oligomer or copolymer of styrene and the co-monomer from step a) with an aqueous solution containing a noble metal ion dissolved therein, so that the noble metal ion is reduced to element form particles and deposit on the styrene oligomer or copolymer of styrene and the co-monomer by sulfates on the oligomer or copolymer in the absence of a reducing agent. | 01-21-2010 |
20100075026 | Metallization on a surface and in through-holes of a substrate and a catalyst used therein - A copolymer deposited with particles of catalytic metal is disclosed in the present invention, which is formed from an ethylenically unsaturated monomer and a hydrophilic monomer, and the catalytic metal is Au, Ag, Pd, Pt or Ru. The copolymer is hydrophilic when the temperature is lower than a specific temperature, and will become hydrophobic when the temperature is greater than the specific temperature. The present invention also discloses a method for forming a metal layer on a substrate via electroless plating, which includes contacting the substrate with an ink composition, drying the ink composition on the substrate, and contacting the dried ink composition with an electroless plating solution, wherein the ink composition contains the copolymer of the present invention in an aqueous phase. The present invention further discloses a method for forming metal conductors in through holes of a substrate. | 03-25-2010 |
20110315934 | Method for fabrication of functionalized graphene reinforced composite conducting plate - A graphite-vinyl ester resin composite conducting plate is prepared in the present invention. The conducting plate can be used as a bipolar plate for a fuel cell, counter electrode for dye-sensitized solar cell and electrode of vanadium redox battery. The conducting plate is prepared as follows: a) compounding vinyl ester resin and graphite powder to form a bulk molding compound (BMC) material, the graphite powder content ranging from 70 wt % to 95 wt % based on the total weight of the graphite powder and vinyl ester, wherein 0.01-15 wt % functionalized graphene, based on the weight of the vinyl ester resin, are added during the compounding; b) molding the BMC material from step a) to form a conducting plate having a desired shaped at 80-250° C. and 500-4000 psi. | 12-29-2011 |
Patent application number | Description | Published |
20120094035 | METHOD FOR PREPARING PLASTIC PARTICLES COATED WITH METAL - The present invention relates to a method for preparing plastic particles coated with metal, which comprises the following steps. First, mix a plurality of plastic particles with a tin/palladium solution to form a first mixed liquid. Alternatively, first mix the plurality of plastic particles with a stannous chloride/hydrochloric acid solution. Then mix the plurality of plastic particles adsorbing the plurality of stannous ions with a palladium chloride/hydrochloric acid solution and form the first mixed liquid. Next, microwave the first mixed liquid so that the tin/palladium colloidal particles coat the plastic particles and thus forming first metal particles. Afterwards, mix the first metal particles with an electroless nickel solution and form a second mixed liquid. Metal nickel then coats the first metal particles and forming a plurality of second metal particles. Use microwave to activate the plurality of tin/palladium colloidal particles adsorbed on the surfaces of the plastic particles, and hence increasing adsorption of the plated metal layer on the surfaces of the plastic particle. Thereby, roughness and peeling-off of the plated metal layer can be reduced. | 04-19-2012 |
20120114870 | MANUFACTURING METHOD OF NOBLE METAL PLATING LAYER - The invention discloses a manufacturing method of a noble metal plating layer comprising the following steps: preparing a base material which is an alloy including a nickel base and at least one element with high oxidation valence on an object to be plated; soaking the object to be plated in a plating solution including pre-plating noble metal ions to make the element in the base material to be dissolved in the plating solution to obtain at least one ion with high oxidation valence; performing a chemical displacement reaction among the base material, the at least one ion having high oxidation valence, and the pre-plating noble metal ion in the plating solution to precipitate the pre-plating noble metal ion onto a surface of the object to be plated to form a noble metal plating layer. | 05-10-2012 |
20130066030 | Method for Making Absorbent for Metal - Disclosed is a method for making absorbent for metal. In the method, at first, solution of first monomer and solution of second monomer are provided. Then, the solution of the second monomer is introduced into the solution of the first monomer. Finally, a microwave reaction is executed to provide micro-alls of absorbent for metal. | 03-14-2013 |