CN109659082A - A kind of graphene composite cable and preparation method thereof - Google Patents
A kind of graphene composite cable and preparation method thereof Download PDFInfo
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- CN109659082A CN109659082A CN201910041556.8A CN201910041556A CN109659082A CN 109659082 A CN109659082 A CN 109659082A CN 201910041556 A CN201910041556 A CN 201910041556A CN 109659082 A CN109659082 A CN 109659082A
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- Prior art keywords
- cable
- graphene
- cable metal
- graphene composite
- carbon atom
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
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- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
The present invention discloses a kind of graphene composite cable and preparation method thereof, wherein the graphene composite cable includes cable metal ontology and the graphene film for being coated on cable metal body surface.In the present invention, protective layer of the graphene film as cable metal ontology can separate the contact of other substances with cable metal ontology, play a protective role to cable metal ontology;And since graphene is made of carbon, carbon has very high stability, will not chemically react under normal circumstances with other substances, antiseptic property is preferable;In addition to this, since graphene has the electric conductivity of superelevation, so also will increase the payload of 10% or more cable metal ontology;Simultaneously because graphene film is transparent, so can intuitively check very much when cable breaks down.
Description
Technical field
The present invention relates to field of cables more particularly to a kind of graphene composite cable and preparation method thereof.
Background technique
In the prior art, cable is many kinds of, in order to adapt to different work posts, needs constantly to innovate, and needs more
Cable be born.Common cable, outer exposing to the weather out of office, exposed metal are easy to be corroded.Present most of cable
Be by outside metal coating plastic cable inside is protected, but since plastics or rubber are overweight, not only volume
The outer burden for increasing electric pole, and since the aging speed of plastics or rubber is generally all than very fast, it is eventually causing the result is that
The rubber of cable is perishable, finally results in cable and is oxidized.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of graphene composite cable and its preparations
Method, it is intended to solve existing cable using plastic overmold, not only result in cable itself and bear a heavy burden excessive and poor protecting effect ask
Topic.
Technical scheme is as follows:
A kind of graphene composite cable, wherein including cable metal ontology and be coated on the graphite of cable metal body surface
Alkene film.
The graphene composite cable, wherein the graphene film with a thickness of 10nm-1000nm.
A kind of preparation method of graphene composite cable, wherein comprising steps of
Cable metal ontology is placed in vacuum insulation cabinet, alkanes gas is passed through and is heated to 600-800 DEG C, is made described
Alkanes gas is cracked into carbon atom and hydrogen, temperature 20-60min is kept, so that the carbon atom penetrates into cable metal sheet
Internal portion;
The vacuum-insulated tank body temperature is gradually first cooled to 200-400 DEG C and keeps 3-10min, then in 10-30min
It is interior that the intracorporal temperature linearity of the vacuum-insulated tank is reduced to 20-40 DEG C, make the carbon atom from the cable metal ontology
Inside is precipitated and generates graphene film in cable metal body surface, and the graphene composite cable is made.
The preparation method of the graphene composite cable, wherein the alkanes gas is methane, acetylene, ethane, third
One of alkane, butane and propine are a variety of.
The preparation method of the graphene composite cable, wherein cable metal ontology is placed in vacuum insulation cabinet,
It is passed through alkanes gas and is heated to 700 DEG C, the alkanes gas is made to be cracked into carbon atom and hydrogen, keep temperature
30min, so that the carbon atom penetrates into cable metal body interior.
The preparation method of the graphene composite cable, wherein first the vacuum-insulated tank body temperature gradually cools down
To 300 DEG C and 5min is kept, the intracorporal temperature linearity of the vacuum-insulated tank is then reduced to 30 DEG C in 20min, makes institute
It states carbon atom to be precipitated from the cable metal body interior and generate graphene film in cable metal body surface, the stone is made
Black alkene composite cable.
The utility model has the advantages that graphene composite cable provided by the invention includes cable metal ontology and is coated on cable metal
The graphene film of body surface.In the present invention, protective layer of the graphene film as cable metal ontology can separate other
The contact of substance and cable metal ontology plays a protective role to cable metal ontology;And since graphene is by carbon
Composition, carbon have very high stability, will not chemically react under normal circumstances with other substances, antiseptic property is preferable;
In addition to this, since graphene has the electric conductivity of superelevation, so also will increase effective load of 10% or more cable metal ontology
Lotus;Simultaneously because graphene film is transparent, so can intuitively check very much when cable breaks down.
Detailed description of the invention
Fig. 1 is a kind of side structure schematic view of graphene composite cable preferred embodiment provided by the invention.
Fig. 2 is a kind of the schematic diagram of the section structure of graphene composite cable preferred embodiment provided by the invention.
Fig. 3 is a kind of flow chart of the preparation method preferred embodiment of graphene composite cable provided by the invention.
Specific embodiment
The present invention provides a kind of graphene composite cables and preparation method thereof, to make the purpose of the present invention, technical solution
And effect is clearer, clear, the present invention is described in more detail below.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
Fig. 1-Fig. 2 is please referred to, the present invention provides a kind of graphene composite cables and preparation method thereof, as shown, institute
Stating graphene composite cable includes cable metal ontology 10 and the graphene film for being coated on 10 surface of cable metal ontology
20。
In the present invention, protective layer of the graphene film as cable metal ontology can separate other substances and electricity
The contact of cable metal body plays a protective role to cable metal ontology;And since graphene is made of carbon, carbon tool
There is very high stability, will not be chemically reacted under normal circumstances with other substances, antiseptic property is preferable;In addition to this,
Since graphene has the electric conductivity of superelevation, so also will increase the payload of 10% or more cable metal ontology;While by
It is transparent in graphene film, so can intuitively be checked very much when cable breaks down.
In a preferred embodiment, the graphene film with a thickness of 10-1000nm.The graphene film be
Cable metal body surface directly grow formed, the graphene film in conjunction with cable metal ontology closely, graphene
High rigidity performance can effective protection cable metal ontology, prevent cable metal ontology to be corroded.
Further, the present invention also provides a kind of preparation methods of graphene composite cable, as shown in Figure 3 comprising with
Lower step:
S10, cable metal ontology is placed in vacuum insulation cabinet, is passed through alkanes gas and is heated to 600-800 DEG C, made
The alkanes gas is cracked into carbon atom and hydrogen, keeps temperature 20-60min, so that the carbon atom penetrates into cable gold
Belong to body interior;
S20, the vacuum-insulated tank body temperature is gradually first cooled to 200-400 DEG C and keeps 3-10min, then in 10-
The intracorporal temperature linearity of the vacuum-insulated tank is reduced to 20-40 DEG C in 30min, makes the carbon atom from the cable metal
Body interior is precipitated and generates graphene film in cable metal body surface, and the graphene composite cable is made.
Specifically, the cable metal ontology is put into vacuum insulation cabinet, and led into the vacuum-insulated tank body
Enter alkanes gas, the intracorporal temperature of the vacuum-insulated tank is heated to 600-800 DEG C, the alkanes gas may make to split
Solution keeps temperature 20-60min at carbon atom and hydrogen, and the carbon atom after may make cracking is fully penetrated to cable metal ontology
It is internal.Then, the vacuum-insulated tank body temperature is gradually cooled to 200-400 DEG C and keeps 3-10min, then in 10-
The intracorporal temperature linearity of the vacuum-insulated tank is reduced to 20-40 DEG C in 30min, makes the carbon atom from the cable metal
Body interior is precipitated and assembles again in cable metal body surface the graphene film for generating hexagon, the graphene film and electricity
Cable metal body combines closely, and the graphene composite cable is made.
The preparation method of graphene composite cable provided by the invention is by directly generating stone on cable metal ontology
Black alkene film, compared with the existing technology graphene coated resinae mixture, graphene film of the invention on cable metal ontology
It is closer in conjunction with cable metal ontology, and do not include other impurity, the graphene between graphene and cable metal ontology
Film can effectively improve the electric conductivity and payload of cable metal ontology.
In some embodiments, the alkanes gas is one in methane, acetylene, ethane, propane, butane and propine
Kind is a variety of, but not limited to this.
In some embodiments, cable metal ontology is placed in vacuum insulation cabinet, is passed through alkanes gas simultaneously
700 DEG C are heated to, the alkanes gas is made to be cracked into carbon atom and hydrogen, keeps temperature 30min, so that the carbon atom seeps
Cable metal body interior is arrived thoroughly.In the present embodiment, by controlling heating time, controllable carbon atom enters cable metal sheet
The amount in internal portion, to prepare the graphene film of different-thickness in cable metal body surface.
In some embodiments, the preparation method of the graphene composite cable, wherein first by the vacuum-insulated tank
Body temperature is gradually cooled to 300 DEG C and keeps 5min, then by the intracorporal temperature linearity of the vacuum-insulated tank in 20min
30 DEG C are reduced to, the carbon atom is precipitated from the cable metal body interior and generates graphite in cable metal body surface
The graphene composite cable is made in alkene film.Since carbon atom may penetrate into metal inside at high temperature, and after temperature decline
It can be precipitated from metal inside, and be combined into the graphene-structured of hexagon again on surface.The present embodiment passes through control cooling ladder
Degree and temperature fall time can prepare the graphene film of different-thickness in cable metal body surface, to meet cable production requirement.
In the graphene composite cable prepared by the method for the invention, the graphene film is as the anti-of cable metal ontology
Sheath can separate the contact of other substances with cable metal ontology, play a protective role to cable metal ontology;And due to
Graphene is made of carbon, and carbon has very high stability, and it is anti-chemistry will not to occur with other substances under normal circumstances
It answers, antiseptic property is preferable;In addition to this, since graphene has the electric conductivity of superelevation, so also will increase cable metal sheet
The payload of 10% or more body;Simultaneously because graphene film is transparent, so when cable breaks down, it can be very straight
The inspection of sight.
A kind of preparation method of graphene composite cable of the present invention is further explained below by specific embodiment
Illustrate:
Embodiment 1
1), cable metal ontology is placed in vacuum insulation cabinet, be passed through alkanes gas and is heated to 600 DEG C, is made described
Alkanes gas is cracked into carbon atom and hydrogen, temperature 25min is kept, so that the carbon atom penetrates into cable metal ontology
Portion;
2) the vacuum-insulated tank body temperature gradually first, is cooled to 250 DEG C and keeps 5min, then by institute in 10min
It states the intracorporal temperature linearity of vacuum-insulated tank and is reduced to 20 DEG C, the carbon atom is precipitated simultaneously from the cable metal body interior
Graphene film is generated in cable metal body surface, the graphene composite cable is made.
Embodiment 2
1), cable metal ontology is placed in vacuum insulation cabinet, be passed through alkanes gas and is heated to 700 DEG C, is made described
Alkanes gas is cracked into carbon atom and hydrogen, temperature 40min is kept, so that the carbon atom penetrates into cable metal ontology
Portion;
2) the vacuum-insulated tank body temperature gradually first, is cooled to 300 DEG C and keeps 8min, then by institute in 20min
It states the intracorporal temperature linearity of vacuum-insulated tank and is reduced to 30 DEG C, the carbon atom is precipitated simultaneously from the cable metal body interior
Graphene film is generated in cable metal body surface, the graphene composite cable is made.
Embodiment 3
1), cable metal ontology is placed in vacuum insulation cabinet, be passed through alkanes gas and is heated to 800 DEG C, is made described
Alkanes gas is cracked into carbon atom and hydrogen, temperature 60min is kept, so that the carbon atom penetrates into cable metal ontology
Portion;
2) the vacuum-insulated tank body temperature gradually first, is cooled to 400 DEG C and keeps 3-10min, it then will in 25min
The intracorporal temperature linearity of vacuum-insulated tank is reduced to 40 DEG C, and the carbon atom is precipitated from the cable metal body interior
And graphene film is generated in cable metal body surface, the graphene composite cable is made.
In conclusion graphene composite cable provided by the invention includes cable metal ontology and is coated on cable metal
The graphene film of body surface.In the present invention, protective layer of the graphene film as cable metal ontology can separate other
The contact of substance and cable metal ontology plays a protective role to cable metal ontology;And since graphene is by carbon
Composition, carbon have very high stability, will not chemically react under normal circumstances with other substances, antiseptic property is preferable;
In addition to this, since graphene has the electric conductivity of superelevation, so also will increase effective load of 10% or more cable metal ontology
Lotus;Simultaneously because graphene film is transparent, so can intuitively check very much when cable breaks down.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (6)
1. a kind of graphene composite cable, which is characterized in that including cable metal ontology and be coated on this body surface of cable metal
The graphene film in face.
2. graphene composite cable according to claim 1, which is characterized in that the graphene film with a thickness of 10nm-
1000nm。
3. a kind of preparation method of graphene composite cable, which is characterized in that comprising steps of
Cable metal ontology is placed in vacuum insulation cabinet, alkanes gas is passed through and is heated to 600-800 DEG C, is made described
Alkanes gas is cracked into carbon atom and hydrogen, temperature 20-60min is kept, so that the carbon atom penetrates into cable metal sheet
Internal portion;
The vacuum-insulated tank body temperature is gradually first cooled to 200-400 DEG C and keeps 3-10min, then in 10-30min
It is interior that the intracorporal temperature linearity of the vacuum-insulated tank is reduced to 20-40 DEG C, make the carbon atom from the cable metal ontology
Inside is precipitated and generates graphene film in cable metal body surface, and the graphene composite cable is made.
4. the preparation method of graphene composite cable according to claim 3, which is characterized in that the alkanes gas is first
One of alkane, acetylene, ethane, propane, butane and propine are a variety of.
5. the preparation method of graphene composite cable according to claim 3, which is characterized in that place cable metal ontology
In vacuum insulation cabinet, it is passed through alkanes gas and is heated to 700 DEG C, the alkanes gas is made to be cracked into carbon atom and hydrogen
Gas keeps temperature 30min, so that the carbon atom penetrates into cable metal body interior.
6. the preparation method of graphene composite cable according to claim 5, which is characterized in that first by the vacuum-insulated tank
Body temperature is gradually cooled to 300 DEG C and keeps 5min, then by the intracorporal temperature linearity of the vacuum-insulated tank in 20min
30 DEG C are reduced to, the carbon atom is precipitated from the cable metal body interior and generates graphite in cable metal body surface
The graphene composite cable is made in alkene film.
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Cited By (2)
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CN110111929A (en) * | 2019-05-30 | 2019-08-09 | 王奉瑾 | A kind of graphene conductive material |
CN114446674A (en) * | 2022-03-04 | 2022-05-06 | 柯良节 | Novel capacitance carbon polarity composite material, capacitance electrode, preparation method of capacitance electrode and capacitor |
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Application publication date: 20190419 |