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45results about How to "Keep long" patented technology

Preparation method of nano silver-loaded fluorinated graphene composite

The invention discloses a preparation method of a nano silver-loaded fluorinated graphene composite. The preparation method comprises the steps of 1) placing a graphene film in a PECVD reaction chamber, setting the pressure at 5*10<-4> to 10<-3> Pa, setting the temperature at 200 to 600 DEG C, setting plasma generation microwave power at 300 to 500 W, introducing fluorine gas through adopting argon as a carrier, and reacting for 1 to 20 h to obtain a fluorinated graphene film; 2) transferring the obtain fluorinated graphene film into an atom deposition chamber, degassing for 20 min to 30 min through adopting an inert gas, regulating the vacuum degree of an ultravacuum reaction chamber to 10<-6> to 10<-7> Pa, and regulating the temperature to 400 DEG C to 700 DEG C; and 3) adopting silver as a target material, forming a silver reaction gas source through electron beam bombardment evaporation, introducing the silver reaction gas source into the deposition chamber for 20 to 100 ns, introducing an inert carrier gas for 50 to 200 ns, repeating the steps for 5 to 20 min, alternatively introducing the silver reaction gas source and the inert carrier gas, and forming nano silver on the fluorinated graphene film, so as to obtain the nano silver-loaded fluorinated graphene composite. The obtained composite has excellent performance.
Owner:厦门烯成石墨烯科技有限公司

Heat storage apparatus for vehicle

When performing heat storage in a heat storage container accommodating a plurality of kinds of heat storage materials with different melting points, heat storage in the heat storage materials is performed such that a higher melting point heat storage material is in a latent heat storage state as much as possible. In other words, heat storage in the heat storage materials is performed in such a manner that the heat storage materials are in the latent heat storage state in which heat can be stored most effectively. In addition, when performing heat release from the heat storage container to heat coolant water in a circulation circuit, heat release is performed from the heat storage material in the sensible heat storage state as a priority, out of the heat storage materials. Accordingly, heat release from the heat storage container in the heat storage state is performed in such a manner that the heat storage materials are maintained in latent heat storage state for as a long period of time as possible. When heat release from the heat storage container is performed in this manner, the heat storage materials can be kept in the latent heat storage state for as a long period of time as possible. As in the foregoing, the heat storage container can be kept in the heat storage state for a long period of time.
Owner:TOYOTA JIDOSHA KK

Method for rapidly growing metal single atoms on carbon-based carrier by using microwave to induce metal to discharge and application of metal monatomic carbon-based material prepared by method

The invention provides a method for rapidly growing metal single atoms on a carbon-based carrier by using microwave to induce metal to discharge and application of a metal monatomic carbon-based material prepared by the method. Firstly, the surface of an electric discharge carrying container is coated with a carrier coating containing a carbon-based material, and then metal wires to grow the metalsingle atoms are placed into the electric discharge carrying container; the electric discharge carrying container is placed in a microwave generation system and is subjected to microwave treatment inan inert gas such as argon for 10-120 seconds; in the process, the microwave induces the metal wires to discharge to emit electrons, the inert gas medium is stimulated to generate high-energy plasmato act on the surfaces of the metal wires, and the metal single atoms grow and deposit on the surface of the carrier coating after the metal single atoms are induced from the metal wires and sputter out; and finally, the carrier coating is scraped out, cleaned and dried to obtain the carbon-based material loaded with the metal atoms. According to the method for rapidly growing the metal single atoms on the carbon-based carrier by using the microwave to induce the metal to discharge and the application of the metal monatomic carbon-based material prepared by the method, the method is simple, rapid and low in cost, the loading capacity of the metal single atoms is high, the metal single atoms are not prone to agglomeration, and the prepared metal monatomic carbon-based material has perfect electro-catalytic property.
Owner:WUHAN TEXTILE UNIV
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