CN108666044A - A kind of composite graphite alkene superconducting tape structure and preparation method thereof - Google Patents
A kind of composite graphite alkene superconducting tape structure and preparation method thereof Download PDFInfo
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- CN108666044A CN108666044A CN201710209379.0A CN201710209379A CN108666044A CN 108666044 A CN108666044 A CN 108666044A CN 201710209379 A CN201710209379 A CN 201710209379A CN 108666044 A CN108666044 A CN 108666044A
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- wire rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
- H01B12/06—Films or wires on bases or cores
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
A kind of composite graphite alkene superconducting tape structure of present invention offer and preparation method thereof, the composite graphite alkene superconducting tape structure, including：The band-like wire rod of superconductor；Metal band-shaped wire rod on the band-like wire rod of the superconductor；The band-like wire rod of graphene on the metal band-shaped wire rod.The composite graphite alkene superconducting tape structure of the present invention, have it is superpower it is anti-quench, tensile capacity.When transmission superconductor quenches, since graphene layer has the superior conductive and capacity of heat transmission, conveying can be connected in the high current on power main in time, and dissipate heat in time, make the fast quick-recovery superconductivity of superconductor, keep transmission line of electricity more safe and reliable.
Description
Technical field
The present invention relates to technical field of semiconductors, more particularly to a kind of composite graphite alkene superconducting tape structure and its preparation
Method.
Background technology
Currently, superconductor has been widely used in the every aspect of daily life.For example, they are NMR imaging instruments
Necessary component in device and magnetic suspension train；Can be additionally used in manufacture transmission and storage energy up to millions of years power circuit and
Device etc..
Traditional power transmission cable is since by Resistance Influence, current density only has 300-400A/cm2, and high-temperature superconductive cable
Current density can be more than 10000A/cm2, 5 times higher than traditional cable or so of transmission capacity, power attenuation just corresponds to the latter
40 percent, the efficiency of power grid, power transmission and distribution density, stability, reliability and safety can be greatlyd improve, improve electricity
It can quality.
But superconducting power transmission cable there are problems that quenching, and influence transmission of electricity safety.
Chinese Patent Application No. is that a patent document of 201410023199.X discloses one kind suitable for high-temperature superconductor
The high-temperature superconductor conductor structure of magnet technology, include hts band component, stablize Copper base material, stainless steel structure enhancement layer,
Liquid gas cooling hole, superconductive tape component fixed bed and conductor insulation structure.It can be to meet the above warm area high current of liquid helium steady
Under the premise of fixed transmission, the superposition coiling molding of multi-layer high-temperature superconductive tape is realized；Meanwhile high-temperature superconductor can be met and run
When sub-cooled, structural strength and quench safety unloading etc. requirements, special construction feature can ensure that high temperature conductor is losing
The safety relief of electric current under superfine fault condition may finally be used as assembly conductor to apply to high-temperature superconducting magnet.However, this
High-temperature superconductor conductor structure is sufficiently complex.
For current traditional superconducting power transmission cable exist it is anti-quench, tensile capacity is weaker the problems such as, it is really necessary to propose one
Kind new superconductor structure and technology are to solve the problems, such as or improve these.
Invention content
In view of prior art described above, the purpose of the present invention is to provide a kind of composite graphite alkene superconducting tape structure and
Preparation method, for solve traditional superconducting power transmission cable in the prior art exist it is anti-quench, tensile capacity is weaker the problems such as.
In order to achieve the above objects and other related objects, the present invention provides a kind of composite graphite alkene superconducting tape structure, packet
It includes：
The band-like wire rod of superconductor；
Metal band-shaped wire rod on the band-like wire rod of the superconductor；
And the band-like wire rod of graphene on the metal band-shaped wire rod.
Optionally, the material that the band-like wire rod of the superconductor uses is NbTi.
Optionally, the material that the metal band-shaped wire rod uses is copper or silver.
Optionally, the band-like wire rod of the graphene is single-layer or multi-layer graphene film.
In order to achieve the above objects and other related objects, the present invention also provides a kind of composite graphite alkene superconducting tape structures
Preparation method includes the following steps：
The band-like wire rod of superconductor that surface is covered with metal band-shaped wire rod is provided；
The band-like wire rod of graphene is formed on the metal band-shaped wire rod using the method for chemical vapor deposition.
Optionally, the material that the band-like wire rod of the superconductor uses is NbTi.
Optionally, the material that the metal band-shaped wire rod uses is copper or silver.
Optionally, the band-like wire rod of graphene is formed on the metal band-shaped wire rod using the method for chemical vapor deposition,
Include the following steps：
The metal band-shaped wire rod is heated to 800-1200 DEG C；
It is passed through hydrocarbon gas, single-layer or multi-layer graphene film is grown in the metal band-shaped wire surface, to be formed
The band-like wire rod of graphene.
Still optionally further, the hydrocarbon gas includes CH4、C2H4、C2H2In it is one or more.
Still optionally further, it is band-like that graphene is formed on the metal band-shaped wire rod using the method for chemical vapor deposition
When wire rod, it is passed through hydrogen.
Still optionally further, it is band-like that graphene is formed on the metal band-shaped wire rod using the method for chemical vapor deposition
When wire rod, in reaction cavity, the band-like wire rod of superconductor for making surface be covered with metal band-shaped wire rod by mobile device is continuous
It at the uniform velocity moves, to form the band-like wire rod of graphene.
As described above, the composite graphite alkene superconducting tape structure and preparation method thereof of the present invention, has the advantages that：
The composite graphite alkene superconducting tape structure of the present invention, have it is superpower it is anti-quench, tensile capacity.
It, can be by power transmission line since graphene layer has the superior conductive and capacity of heat transmission when transmission superconductor quenches
Conveying is connected in high current on line in time, and dissipates heat in time, makes the fast quick-recovery superconductivity of superconductor, makes power transmission line
Road is more safe and reliable.The structure ensure that the safety relief of superconductor electric current in the case where the fault conditions such as quenching, and may finally make
Apply to superconducting magnet and superconducting power transmission cable device for assembly conductor.
Description of the drawings
Fig. 1 is shown as the schematic diagram of composite graphite alkene superconducting tape structure provided in an embodiment of the present invention.
Fig. 2 is shown as the preparation method flow chart of composite graphite alkene superconducting tape structure provided in an embodiment of the present invention.
Fig. 3 is shown as the preparation process schematic diagram of composite graphite alkene superconducting tape structure provided in an embodiment of the present invention.
Component label instructions
The band-like wire rod of 101 superconductors
102 metal band-shaped wire rods
The band-like wire rod of 103 graphenes
S1-S2 steps
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that the diagram provided in following embodiment only illustrates the basic structure of the present invention in a schematic way
Think, component count, shape and size when only display is with related component in the present invention rather than according to actual implementation in schema then
Draw, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
Graphene has many amazing properties.Such as：Although graphene is so thin, due to perfect crystal
Structure and superpower interatomic key, it is also harder than diamond；Since only there are one the thickness of atom, one gram of stones for it
Black alkene can cover entire football pitch；At room temperature, its conductive speed many faster than other substances, such as than silicon
Fast 250 times；Its thermal conductivity is than 10 times of copper billet；If thickness is equivalent to the graphite of ten a ten thousandth of human tau hair diameter
It is thick like that alkene builds up preservative film, needs elephant station generated pressure on a pencil that can just puncture it.
In order to solve traditional superconducting power transmission cable in the prior art exist it is anti-quench, tensile capacity is weaker the problems such as, this
Embodiment will provide a kind of composite graphite alkene superconducting tape structure, have it is superpower it is anti-quench, tensile capacity.
Referring to Fig. 1, the present embodiment provides a kind of composite graphite alkene superconducting tape structures, including：
The band-like wire rod of superconductor 101；
Metal band-shaped wire rod 102 on the band-like wire rod of the superconductor；
The band-like wire rod of graphene on the metal band-shaped wire rod 103.
In the present embodiment, the material that the band-like wire rod of the superconductor 101 uses can be NbTi or other suitable superconductions
Material.
In the present embodiment, the material that the metal band-shaped wire rod 102 uses can be copper or silver or other suitable metals
Base material.
In the present embodiment, the material that the band-like wire rod of the graphene 103 uses is single-layer or multi-layer graphene film.
Referring to Fig. 2, the present embodiment also provides a kind of preparation method of above-mentioned composite graphite alkene superconducting tape structure, including
Following steps：
S1 provides the band-like wire rod of superconductor 101 that surface is covered with metal band-shaped wire rod 102；
S2 forms the band-like wire rod of graphene 103 using the method for chemical vapor deposition on the metal band-shaped wire rod 102.
In step sl, NbTi may be used in the band-like wire rod of superconductor 101；Metal band-shaped wire rod 102 may be used copper or
Silver.The manufacture craft of the band-like wire rod of this copper or silver/superconductor has been that those skilled in the art are known, therefore do not do herein superfluous
It states.
In step s 2, graphene ribbon is formed on the metal band-shaped wire rod 102 using the method for chemical vapor deposition
Shape wire rod 103 specifically may comprise steps of：
The metal band-shaped wire rod 102 is heated to 800-1200 DEG C by S21；
S22 is passed through hydrocarbon gas, grows single-layer or multi-layer graphene film on 102 surface of metal band-shaped wire rod, from
And form the band-like wire rod of graphene 103.
Wherein, the hydrocarbon gas may include CH4、C2H4、C2H2In it is one or more.
The present embodiment forms graphene strip line using the method for chemical vapor deposition on the metal band-shaped wire rod 102
The preparation process of material 103, as shown in Figure 3.
For example, surface can be covered with to the superconducting tape of metal band-shaped wire rod 102 by heating chassis or similar device
Shape wire rod 101, the substrate as deposition graphene are heated；Then methane CH4Or C2H4Or C2H2It is passed into hydrogen
In reaction cavity；At high temperature, the carbon atom that methane decomposition generates, which can be adsorbed on copper-based surfaces finally, can obtain continuously, only
The single-layer or multi-layer graphene film of atomic thickness.
In addition, surface can be made to cover by mobile device in reaction cavity for the ease of obtaining continuous band-like wire rod
It is stamped band-like 101 continuously and smoothly of the wire rod movement of superconductor of metal band-shaped wire rod 102, successive sedimentation processing is realized, to be formed
The band-like wire rod of graphene 103.
The composite graphite alkene superconducting tape structure of the present invention, since surface layer uses graphene, have it is superpower it is anti-quench,
Tensile capacity.
It, can will be on power main since graphene layer is superior conductive and the capacity of heat transmission when sending superconductor and quenching
High current conveying is connected in time, and dissipate heat in time, make the fast quick-recovery superconductivity of superconductor, make transmission line of electricity more
Add safe and reliable.Its special construction feature can ensure the safety relief of superconductor electric current in the case where the fault conditions such as quenching, finally
Assembly conductor can be used as to apply to superconducting magnet and superconducting power transmission cable device.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (11)
1. a kind of composite graphite alkene superconducting tape structure, which is characterized in that including：
The band-like wire rod of superconductor；
Metal band-shaped wire rod on the band-like wire rod of the superconductor；
And the band-like wire rod of graphene on the metal band-shaped wire rod.
2. composite graphite alkene superconducting tape structure according to claim 1, it is characterised in that：The band-like wire rod of superconductor
The material used is NbTi.
3. composite graphite alkene superconducting tape structure according to claim 1, it is characterised in that：The metal band-shaped wire rod is adopted
Material is copper or silver.
4. composite graphite alkene superconducting tape structure according to claim 1, it is characterised in that：The band-like wire rod of graphene
For single-layer or multi-layer graphene film.
5. a kind of preparation method of composite graphite alkene superconducting tape structure, which is characterized in that the described method comprises the following steps：
The band-like wire rod of superconductor that surface is covered with metal band-shaped wire rod is provided；
The band-like wire rod of graphene is formed on the metal band-shaped wire rod using the method for chemical vapor deposition.
6. the preparation method of composite graphite alkene superconducting tape structure according to claim 5, it is characterised in that：The superconduction
The material that the band-like wire rod of body uses is NbTi.
7. the preparation method of composite graphite alkene superconducting tape structure according to claim 5, it is characterised in that：The metal
The material that band-like wire rod uses is copper or silver.
8. the preparation method of composite graphite alkene superconducting tape structure according to claim 5, which is characterized in that using chemistry
The method of vapor deposition forms the band-like wire rod of graphene on the metal band-shaped wire rod, includes the following steps：
The metal band-shaped wire rod is heated to 800-1200 DEG C；
It is passed through hydrocarbon gas, single-layer or multi-layer graphene film is grown in the metal band-shaped wire surface, to form graphite
The band-like wire rod of alkene.
9. the preparation method of composite graphite alkene superconducting tape structure according to claim 8, it is characterised in that：The hydro carbons
Gas includes CH4、C2H4、C2H2In it is one or more.
10. the preparation method of composite graphite alkene superconducting tape structure according to claim 8, it is characterised in that：Using change
The method of vapor deposition is learned in the band-like wire rod of formation graphene on the metal band-shaped wire rod, is passed through hydrogen.
11. the preparation method of composite graphite alkene superconducting tape structure according to claim 5, it is characterised in that：Using change
The method of vapor deposition is learned in the band-like wire rod of formation graphene on the metal band-shaped wire rod, in reaction cavity, passes through shifting
The band-like wire rod continuously and smoothly of superconductor that dynamic device makes surface be covered with metal band-shaped wire rod moves, band-like to form graphene
Wire rod.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218814A (en) * | 2018-11-26 | 2020-06-02 | 南开大学 | Graphene-metal wire composite fiber and preparation method thereof |
| CN113223773A (en) * | 2021-05-06 | 2021-08-06 | 上海超导科技股份有限公司 | Second-generation high-temperature superconducting tape and preparation method thereof |
| US11894508B2 (en) | 2021-05-06 | 2024-02-06 | Shanghai Superconductor Technology Co., Ltd. | Second-generation HTS strip and preparation method thereof |
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| JP2012033947A (en) * | 2011-09-27 | 2012-02-16 | Toshiba Corp | High-temperature superconductive coil and manufacturing method thereof |
| CN102976317A (en) * | 2012-12-21 | 2013-03-20 | 重庆绿色智能技术研究院 | Large-scale graphene preparation process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218814A (en) * | 2018-11-26 | 2020-06-02 | 南开大学 | Graphene-metal wire composite fiber and preparation method thereof |
| CN113223773A (en) * | 2021-05-06 | 2021-08-06 | 上海超导科技股份有限公司 | Second-generation high-temperature superconducting tape and preparation method thereof |
| CN113223773B (en) * | 2021-05-06 | 2022-07-01 | 上海超导科技股份有限公司 | Second-generation high-temperature superconducting tape and preparation method thereof |
| US11894508B2 (en) | 2021-05-06 | 2024-02-06 | Shanghai Superconductor Technology Co., Ltd. | Second-generation HTS strip and preparation method thereof |
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