39results about How to "Conductivity controllable" patented technology

The invention discloses a hydrogen fuel cell automobile thermal management system. The hydrogen fuel cell automobile thermal management system comprises a first cooling loop (1) and a second cooling loop (2); the first cooling loop (1) cools a hydrogen fuel electric reactor (11); a first radiator (12), the hydrogen fuel electric reactor (11) and a circulating pump (13) are arranged on the first cooling loop (1); the first cooling loop (1) comprises a first branch (101) with a deionizater (14); the second cooling loop (2) cools a hydrogen fuel cell auxiliary system and an electric drive system;a second radiator (21), an electronic water pump (22), an air compressor driving motor (23), an air compressor controller (24), a DC/DC converter (25), a motor controller (26) and a vehicle driving motor (27) are arranged on the second cooling loop (2); and the first radiator (12) and the second radiator (21) are placed in the vehicle running direction in series. The hydrogen fuel cell automobilethermal management system has the characteristics of good heat radiation effect and controllable hydrogen fuel cell cooling liquid electrical conductivity.

The invention discloses carbon nano tube reinforced polyaniline nano-fiber and a preparing method thereof. The preparing method includes steps of: adding aniline monomers and carbon nano tubes into dilute acid for ultrasound treatment to obtain carbon nano tube and aniline monomer blend solution; dissolving initiators into ethanol to form initiator solution and dissolving oxidants in dilute acid to form oxidant solution; and adding the initiator solution into the carbon nano tube and aniline monomer blend solution, then adding the oxidant solution, severely swinging for a moment, performing centrifugation, washing, redispersion and the like after standing reaction is complete so as to finally obtain the carbon nano tube reinforced polyaniline nano-fiber. The preparing method is simple, efficient and high in controllability. The carbon nano tubes can be uniformly dispersed on a polyaniline matrix. The mean diameter of the obtained carbon nano tube reinforced polyaniline nano-fiber is 30-60 nm, the length is 1-2 mu m, and electric conductivity is 10(-8)-10(2) S/cm, and the carbon nano tube reinforced polyaniline nano-fiber can be used in the application fields such as sensors, actuating devices, ultra-capacitors, electrochromatic windows, functional coatings and ultrafiltration membranes.

The invention provides a preparation method of a graphene conductive fabric. The method comprises the following steps of fabric pretreatment, plasma treatment, graphene oxide adsorption and reductiontreatment. The preparation method has the advantages that a low-temperature plasma surface treatment technology is adopted for grafting ammonium radical ions or branch ammonia radical ions onto the surface of a fabric, the adhesion force and uniform adsorption effect of graphene oxide rich in carboxyl functional groups on the surface of the fabric are improved, and the conductivity, durability andwater washing resistance of the fabric are improved; the operation is simple, the consumed time is short, and the batch production is facilitated; by controlling the concentration of the graphene oxide, the light antistatic fabric to the dark black conductive fabric can be prepared, and the conductivity is controllable; the graphene conductive fabric has bacterial resistance, electromagnetic shielding and other characteristics.

The particle filter and regeneration system of diesel engine comprises power, electric and nonelectric heat spiral particle filter made of carbide ceramics installing together inside the housing of the purifier connected with the exhaust of the diesel engine. It is highly efficient in purification and controllable in conductivity, and fine durability. Apart from that, it is low in cost, simple in structure and easy for assembly.

The invention discloses a preparation method of a cellulose-based composite material with a high adsorption property. The method comprises the steps: firstly swelling straw cellulose powder, adding the straw cellulose powder to a lithium chloride/N,N-dimethylacetamide solution, dripping the straw cellulose solution into deionized water by using an injector under the stirring condition so the drops form cellulose microspheres with diameters of about 2mm, thus forming cellulose hydrogel microspheres; dispersing the cellulose hydrogel microspheres into a 1mol/L hydrochloric acid solution, adding a pyrrole monomer for stirring, wherein the temperature is 20-25 DEG C and the dispersing time is 2h which stirring at 50-100r/min; dripping the prepared ammonium persulfate water solution and continuously stirring; and washing surface ions by using the deionized water for multiple times to prepare the polypyrrole/cellulose-based composite microspheres. The obtained composite microspheres have excellent adsorption property on a negative dye congo red; and meanwhile, the method is simple in process, mild in reaction conditions and beneficial to massive production.

The invention discloses an aminocarbazole/aniline copolymer and a synthesis method thereof. The synthesis method comprises the following steps: dissolving 3-amino-9-ethylcarbazole and aniline in different mol ratios in a first solvent to form a comonomer solution; dissolving a certain amount of oxidant in a second solvent to form an oxidant solution; and after blending the oxidant solution and the comonomer solution, shaking intensely for some time, standing, and reacting completely to obtain the aminocarbazole/aniline copolymer. The invention has the advantages of simple synthesis steps, high efficiency and high controllability; and the obtained carbazole/aniline conducting polymer can be used in the fields of electrodes, electron screening, electrostatic prevention, electrochromic materials, fluoroscopic examination and the like.

The invention discloses a novel PCB/CCL waste regenerated resistance slurry and a preparation method thereof. The novel PCB waste regenerated resistance slurry includes a conductive phase, a bonding phase and an organic carrier, wherein the conductive phase includes graphite and ultrafine metal alloy powder Alloy, PP, substrate mixed dust, binder phase includes inorganic filler, phenolic resin and benzomelamine, organic carrier includes hydrogenated castor oil, etc. PCB/CCL enterprise side materials are processed and crushed to replace the raw materials in existing products and reuse resources, which is in line with the development direction of China's national policy for solid waste reduction, harmlessness and resource utilization.

The invention relates to the technical field of surface engineering, and provides a method for preparing a conductive coating on the surface of a composite material through plasma spraying. The method comprises the steps that a composite material base body is sequentially subjected to cleaning and sand blasting treatment, then the composite material base body is fixed to a workbench of plasma spraying equipment, and compressed air is adopted for cleaning the surface of the composite material base body; and the cleaned surface of the composite material base body is preheated, conductive metal powder is sprayed on the preheated surface of the composite material base body through a plasma spraying method, and the conductive coating is formed. The plasma spraying method is adopted for preparing the conductive coating on the surface of the composite material, the method is easy to operate, high in stability and controllability and suitable for spraying of large structural parts, and the prepared conductive coating is high in density, good in combination with the base body and controllable in conductivity.

The invention discloses a binding method of a display device, a display panel and the display device. The method is used for making the conduction condition of electric conduction particles of a peripherical electrode of a glass substrate. The binding method of the display device comprises the steps that an electric conduction protrusion is made on a wiring terminal of a first circuit board; the electric conduction protrusion is coated with a first glue layer; a wiring terminal of a second circuit board is aligned with the wiring terminal on the first circuit board, and the wiring terminal ofthe first circuit board and the wiring terminal of the second circuit board are conducted through the electric conduction protrusion and a hot press technology.