CN109378225A - Orderly carbon-based composite electrode material and preparation method thereof - Google Patents
Orderly carbon-based composite electrode material and preparation method thereof Download PDFInfo
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- CN109378225A CN109378225A CN201811283187.5A CN201811283187A CN109378225A CN 109378225 A CN109378225 A CN 109378225A CN 201811283187 A CN201811283187 A CN 201811283187A CN 109378225 A CN109378225 A CN 109378225A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The present invention relates to a kind of orderly carbon-based composite electrode material and preparation method thereof, the preparation method is the following steps are included: S1, offer orientation composite conducting nano fibrous membrane；S2, after the orientation composite conducting nano fibrous membrane is dried, it is warming up to 250~350 DEG C under the heating rate of 1~5 DEG C/min and is pre-oxidized；S3, it the tunica fibrosa after pre-oxidation is warming up at 1000~1200 DEG C under the heating rate of 1~5 DEG C/min is carbonized, obtain the orderly carbon-based composite electrode material.The preparation method is easy to operate, high-efficient, and the excellent orderly carbon-based composite electrode material of physical and chemical performance can be prepared with lower cost, meets industrial needs.
Description
Technical field
The present invention relates to a kind of orderly carbon-based composite electrode materials and preparation method thereof, belong to polymeric material field.
Background technique
Human health, the energy are given in destruction of the rapid growth and traditional fossil energy of global energy consumption to environment
Safety, global environment bring serious challenge.Therefore, green, the conversion of reproducible energy and storage equipment is developed to exist as pendulum
Important topic in face of the mankind.Supercapacitor has the high-energy-density and biography of battery concurrently as a kind of novel green energy storage device
Unite physical capacitor high-specific-power the advantages of, electric car, fuel combination automobile, exceptional load automobile, electric power, railway,
The various fields such as communication, national defence, consumer electrical product have huge application value and market potential, play battery and biography
System capacitor irreplaceable role, by countries in the world institute extensive concern.
Single-walled carbon nanotube (SWNTs) presents excellent mechanics, physics and chemical property, has superhigh intensity, firmly
Degree and the excellent properties such as excellent electric conductivity, therefore relatively broad apply in electronic device, communication and biomedicine etc.
Field, the concern by numerous scientific research scholars.Graphene (Gr) is a kind of single layer sp separated from graphite material2Hydridization
Carbon atom material, have conjugation stack pi-electron, be the two-dimensional structure of carbon, due to have many advantages, such as significant mechanics, electricity and
As the nanofiber reinforcing material welcome very much.Nano ferriferrous oxide (Fe3O4) it is used as a kind of multifunction magnetic material, tool
There are higher conductivity, cheap, superparamagnetism, is widely used in medicine, electrochemistry, microwave absorption and environment
Protection etc..Electrode material is the key that determine performance of the supercapacitor, however, in the prior art, preparing above-mentioned electrode material
The method of material is complicated, at high cost, low efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of orderly carbon-based composite electrode material and preparation method thereof, preparation method behaviour
Work is easy, high-efficient, and the excellent orderly carbon-based composite electrode material of physical and chemical performance can be prepared with lower cost,
Meet industrial needs.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of preparation of orderly carbon-based composite electrode material
Method, comprising the following steps:
S1, orientation composite conducting nano fibrous membrane is provided；
S2, it after the orientation composite conducting nano fibrous membrane is dried, is risen under the heating rate of 1~5 DEG C/min
Temperature is pre-oxidized to 250~350 DEG C；
S3, it the tunica fibrosa after pre-oxidation is warming up at 1000~1200 DEG C under the heating rate of 1~5 DEG C/min carries out
Carbonization, obtains the orderly carbon-based composite electrode material.
Further, in step S2, in the drying process, temperature is room temperature, and drying time is for 24 hours.
Further, in step S2, in the preoxidation process, heating rate is 2 DEG C/min.
Further, in step S2,280 DEG C is warming up to and carries out the pre-oxidation, and keeps the temperature 1h at 280 DEG C.
Further, the carbonisation carries out in protective atmosphere.
Further, the carbonisation specifically includes: in tube furnace, in the protective atmosphere, with 2 DEG C/min
Heating rate be warming up to 1100 DEG C and be carbonized, and keep the temperature 1h at 1100 DEG C.
Further, it is used to form any one of the gas of the protective atmosphere in nitrogen, argon gas or helium
Or it is a variety of.
Further, the orientation composite conducting nano fibrous membrane is aligned carbon nanotube/polyacrylonitrile composite guide susceptance
Rice tunica fibrosa, orientation porous graphene/polyacrylonitrile composite conducting nano fibrous membrane or orientation magnetic nano ferroferric oxide/
Graphene/polyacrylonitrile composite conducting nano fibrous membrane.
Further, the orientation composite conducting nano fibrous membrane is prepared by method of electrostatic spinning.
It is orderly obtained by the preparation method for the orderly carbon-based composite electrode material that the present invention also provides a kind of according to
Carbon-based composite electrode material.
Compared with prior art, the beneficial effects of the present invention are the systems of orderly carbon-based composite electrode material of the invention
Preparation Method has been prepared into orderly orientation carbon-based composite electrode material for composite nano-fiber membrane is orientated by carbonizatin method, and traditional
Coating process is compared, the preparation method of the orderly carbon-based composite electrode material is easy to operate, reaction controlling is easy, process flow is short and
It is high-efficient.Also, the order of fiber is also to influence a big important factor in order of conductive fiber electric conductivity, due to using tool
There is the composite nano-fiber membrane of orientation as raw material, preparation-obtained orderly carbon-based composite electrode material has more excellent
Physical and chemical performance, and the order of the Nano grade of the electricity grade material is that conventional application method institute is irrealizable.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the process step figure of the preparation method of orderly carbon-based composite electrode material of the invention；
Fig. 2 a to 2c is the electron microscope of C-Gr/PAN nanofiber after carbonization treatment shown in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of electrostatic spinning apparatus employed in the embodiment of the present invention one；
Fig. 4 a to 4c is the SEM electromicroscopic photograph of the porous Gr/PAN composite nano fiber of orientation in the embodiment of the present invention one；
Fig. 5 a to 5f is the TEM electromicroscopic photograph of the porous Gr/PAN composite nano fiber of orientation in the embodiment of the present invention one；
Fig. 6 a to 6c is C-Fe after carbonization treatment shown in the embodiment of the present invention two3O4The Electronic Speculum of/Gr/PAN nanofiber
Figure；
The structural schematic diagram of electrostatic spinning apparatus employed in Fig. 7 embodiment of the present invention two；
Fig. 8 is the orientation Fe in the embodiment of the present invention two3O4The SEM electromicroscopic photograph of/Gr/PAN composite conducting nanofiber；
Fig. 9 a to 9c is the Electronic Speculum of the C-SWNTs/PAN nanofiber after carbonization treatment shown in the embodiment of the present invention three
Figure；
Figure 10 is the cyclic voltammetry curve figure of carbonized fiber film in the embodiment of the present invention three.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
It should be understood that the terms such as "upper" of the invention, "lower", "left", "right", "inner", "outside" only refer to attached drawing
The present invention will be described, not as restriction term.
Referring to Figure 1, a kind of preparation method of orderly carbon-based composite electrode material, comprising the following steps:
S1, orientation composite conducting nano fibrous membrane is provided；
S2, the orientation composite conducting nano fibrous membrane is dried, drying time be for 24 hours, then 1~5 DEG C/
It is warming up to 250~350 DEG C under the heating rate of min to be pre-oxidized, it is preferred that be warming up under the heating rate of 2 DEG C/minn
280 DEG C are pre-oxidized, and keep the temperature 1h at 280 DEG C；
S3, by the tunica fibrosa after pre-oxidation in protective atmosphere, to be warming up under the heating rate of 1~5 DEG C/min
It is carbonized at 1000~1200 DEG C, obtains the orderly carbon-based composite electrode material, it is preferred that in high pure nitrogen atmosphere,
1100 DEG C are warming up to the heating rate of 2 DEG C/min to be carbonized, and keep the temperature 1h at 1100 DEG C.
In the preparation method, the orientation composite conducting nano fibrous membrane is aligned carbon nanotube/polyacrylonitrile
(SWNTs/PAN) composite conducting nano fibrous membrane, orientation porous graphene/polyacrylonitrile (Gr/PAN) composite conducting nanofiber
Film or orientation magnetic nano ferroferric oxide/graphene/polyacrylonitrile (Fe3O4/ Gr/PAN) composite conducting nano fibrous membrane,
And the orientation composite conducting nano fibrous membrane is prepared by method of electrostatic spinning.In step S2, the preoxidation process is in Muffle
It is carried out in furnace；In step S3, the carbonisation carries out in tube furnace.
Below in conjunction with specific embodiment, the present invention will be described in further detail.
Embodiment one
By the orientation porous graphene got ready using electro-spinning/polyacrylonitrile (Gr/PAN) composite conducting nanofiber
Film is placed in Constant Temp. Oven drying under room temperature and for 24 hours, is removed and placed in the heating rate liter in Muffle furnace with 2 DEG C/min
It is pre-oxidized to 280 DEG C, and keeps the temperature 1h at 280 DEG C.Then it goes in tube furnace, under high pure nitrogen atmosphere, with 2 DEG C/min's
Heating rate is warming up to 1100 ° and is carbonized, and keeps the temperature 1h under 1100 °, obtains organized carbon nano fiber/composite carbon Nanowire
Tie up electrode material.Fig. 2 a to 2c is referred to, the nanofiber obtained after carbonization treatment is illustrated as, as seen from the figure, obtained C-
Gr/PAN nano-fiber electrode material has the higher degree of orientation.
Fig. 3 is referred to, the Gr/PAN composite conducting nano fibrous membrane of the present embodiment is filled using electrostatic spinning as shown in the figure
It sets comprising liquid feed device (not shown), syringe 1, at least two high voltage power supplies 2, jet vectoring device 3 and reception device
4, the syringe 1 is connect with liquid feed device, and the syringe 1 is equipped with 11, needle, and the syringe needle 11 and receiving device 4 are distinguished
The anode 22 and cathode 21 of one of them high voltage power supply 2 are connected, the reception device 4 is two conductive coppers being placed in parallel
Silk, the jet vectoring device 3 are arranged between the reception device 4 and syringe needle 11, and the jet vectoring device 3 at least
The anode 22 of one high voltage power supply 2 connects.In the present invention, the jet vectoring device 3 is conductive copper.
Detailed process are as follows: Gr is weighed before the experiments, by load weighted H2In the DMF that O is poured into.Then it is stirred using magnetic force
Device stirring at normal temperature 1h, then ultrasonic vibration 0.5h are mixed to prevent Gr from reuniting.The solution shaken is taken out, is added dry in electric heating constant temperature
The PAN powder of 2h is dried in case, is continued at the uniform velocity stirring 6h under room temperature and is placed in Static Spinning of the invention after solution stable homogeneous
Electrostatic spinning is carried out in silk device, wherein spinning voltage 18kV, adding annulus voltage is 5kV, and spinning receives distance and is
18cm, parallel pole spacing is 5cm, and during the electrostatic spinning, spinning environment requires room temperature to be maintained at 25 ± 2 DEG C, wet
Degree requires control in 50 ± 5% ranges.Fig. 4 a to 4c is referred to, Fig. 5 a to 5f passes through above-mentioned preparation side as seen from the figure
The degree of orientation with higher of nanofiber obtained by method, surface are in porous structure, and in fibrous inside graphene particles along fine
Tie up axial alignment.High-orientation can make the electric conductivity of fiber greatly improve, and the porous structure of fiber surface, then can make
The hydrophobic properties of the surface for obtaining fiber are strengthened.Then nanofiber obtained above is subjected to fiber film preparation.
The present embodiment has carried out square resistance and conductivity to the C-Gr/PAN nano-fiber electrode material being prepared
Test, the results are shown in Table 1:
Table 1
Embodiment two
By the orientation got ready using electro-spinning magnetic nano ferroferric oxide/graphene/polyacrylonitrile (Fe3O4/Gr/
PAN) composite conducting nano fibrous membrane, be placed in Constant Temp. Oven under room temperature it is dry for 24 hours, be removed and placed in Muffle furnace with
The heating rate of 2 DEG C/min rises to 280 DEG C of pre-oxidation, and keeps the temperature 1h at 280 DEG C.Then it goes in tube furnace, in High Purity Nitrogen
Under gas atmosphere, 1100 ° are warming up to the heating rate of 2 DEG C/min and is carbonized, and keeps the temperature 1h under 1100 °, obtains orderly carbon
Nanofiber/compound carbon nanofiber electrode material.Fig. 6 a to 6c is referred to, the Nanowire obtained after carbonization treatment is illustrated as
Dimension, as seen from the figure, obtained C-Fe3O4/ Gr/PAN nano-fiber electrode material has the higher degree of orientation.
Refer to Fig. 7, the Fe of the present embodiment3O4/ Gr/PAN composite conducting nano fibrous membrane uses Static Spinning as shown in the figure
Silk device comprising liquid feed device (not shown), syringe 1, at least two high voltage power supplies 2, jet vectoring device 3 and reception
Device 4, the syringe 1 are connect with liquid feed device, and the syringe 1 is equipped with syringe needle 11, and the reception device 4 includes aluminium foil
41 and two blocks of magnet 42 being placed in parallel on the aluminium foil 41, the syringe needle 11 and aluminium foil 41 be separately connected described in one of them
The anode 22 and cathode 21 of high voltage power supply 2, the jet vectoring device 3 are arranged between the reception device 4 and syringe needle 11, and
The jet vectoring device 3 is connect with the anode 22 of high voltage power supply 2 described at least one.What the syringe 1 was ejected penetrates
Because having positive electricity and magnetism, the nanofiber of formation can be adsorbed on the magnet 42 being placed in parallel stream.In the present invention, institute
Stating jet vectoring device 3 is conductive copper.
Detailed process are as follows: weighing a certain amount of PAN, to be put into Constant Temp. Oven dry 2h spare, weighs a certain amount of
DMF is as solvent, by Gr and Fe3O4It is incorporated in load weighted DMF, after mixing evenly ultrasonic vibration 4h at room temperature.Then it will do
Dry good PAN powder pours into the solution after ultrasound, and magnetic agitation for 24 hours, after spinning solution stable homogeneous, is placed in this at room temperature
Electrostatic spinning is carried out in the electrostatic spinning apparatus of invention, wherein flow set 0.3ml/h, spinning voltage 18kV add annulus
Voltage 5kV, spinning receive distance 18cm, parallel pole spacing 5cm, and during the electrostatic spinning, ambient temperature-stable is
25 ± 2 DEG C, relative humidity is 50 ± 5%.Fig. 8 is referred to, Fig. 8 show the preparation-obtained orientation Fe of the present embodiment3O4/Gr/
The SEM electromicroscopic photograph of PAN composite conducting nanofiber.Then nanofiber obtained above is subjected to fiber film preparation.
The present embodiment is to the C-Fe being prepared3O4/ Gr/PAN nano-fiber electrode material has carried out square resistance and conductance
The test of rate, the results are shown in Table 2:
Table 2
Embodiment three
Aligned carbon nanotube/polyacrylonitrile (SWNTs/PAN) the composite conducting nanofiber that will be got ready using electro-spinning
Film is placed in Constant Temp. Oven drying under room temperature and for 24 hours, is removed and placed in the heating rate liter in Muffle furnace with 2 DEG C/min
It is pre-oxidized to 280 DEG C, and keeps the temperature 1h at 280 DEG C.Then it goes in tube furnace, under high pure nitrogen atmosphere, with 2 DEG C/min's
Heating rate is warming up to 1100 ° and is carbonized, and keeps the temperature 1h under 1100 °, obtains organized carbon nano fiber/composite carbon Nanowire
Tie up electrode material.Fig. 9 a to 9c is referred to, the nanofiber obtained after carbonization treatment is illustrated as, as seen from the figure, obtained C-
SWNTs/PAN nano-fiber electrode material has the higher degree of orientation.Referring to Figure 10, it as shown is following for carbonized fiber film
Ring volt-ampere curve, by it is found that the material peak integral area is larger, such as there is good chemical property.
The present embodiment has carried out square resistance and conductivity to the C-SWNTs/PAN nano-fiber electrode material being prepared
Test, the results are shown in Table 3:
Table 3
In summary: the preparation method of orderly carbon-based composite electrode material of the invention will be orientated compound receive by carbonizatin method
Rice tunica fibrosa has been prepared into orderly orientation carbon-based composite electrode material, compared with traditional coating process, the orderly carbon-based compound electric
The preparation method of pole material is easy to operate, reaction controlling is easy, process flow is short and high-efficient.Also, the order of fiber
It is the big important factor in order for influencing conductive fiber electric conductivity, due to using the composite nano-fiber membrane conduct with orientation
Raw material, preparation-obtained orderly carbon-based composite electrode material have more excellent physical and chemical performance, and the electricity grade material
The order of the Nano grade of material is that conventional application method institute is irrealizable.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of preparation method of orderly carbon-based composite electrode material, which comprises the following steps:
S1, orientation composite conducting nano fibrous membrane is provided；
S2, it after the orientation composite conducting nano fibrous membrane is dried, is warming up under the heating rate of 1~5 DEG C/min
250~350 DEG C are pre-oxidized；
S3, it the tunica fibrosa after pre-oxidation is warming up at 1000~1200 DEG C under the heating rate of 1~5 DEG C/min carries out carbon
Change, obtains the orderly carbon-based composite electrode material.
2. the preparation method of orderly carbon-based composite electrode material as described in claim 1, which is characterized in that in step S2,
In the drying process, temperature is room temperature, and drying time is for 24 hours.
3. the preparation method of orderly carbon-based composite electrode material as described in claim 1, which is characterized in that in step S2,
In the preoxidation process, heating rate is 2 DEG C/min.
4. the preparation method of orderly carbon-based composite electrode material as claimed in claim 3, which is characterized in that in step S2, rise
Temperature carries out the pre-oxidation to 280 DEG C, and keeps the temperature 1h at 280 DEG C.
5. the preparation method of orderly carbon-based composite electrode material as described in claim 1, which is characterized in that the carbonisation
It is carried out in protective atmosphere.
6. the preparation method of orderly carbon-based composite electrode material as claimed in claim 5, which is characterized in that the carbonisation
It specifically includes: in tube furnace, in the protective atmosphere, 1100 DEG C of progress carbon being warming up to the heating rate of 2 DEG C/min
Change, and keeps the temperature 1h at 1100 DEG C.
7. such as the preparation method of orderly carbon-based composite electrode material described in claim 5 or 6, which is characterized in that be used to form
Any one or more of the gas of the protective atmosphere in nitrogen, argon gas or helium.
8. the preparation method of orderly carbon-based composite electrode material as described in claim 1, which is characterized in that the orientation is compound
Conductive-nano-fibers film is aligned carbon nanotube/polyacrylonitrile composite conducting nano fibrous membrane, orientation porous graphene/polypropylene
Nitrile composite conducting nano fibrous membrane or orientation magnetic nano ferroferric oxide/graphene/polyacrylonitrile composite conducting Nanowire
Tie up film.
9. the preparation method of orderly carbon-based composite electrode material as claimed in claim 1 or 8, which is characterized in that the orientation
Composite conducting nano fibrous membrane is prepared by method of electrostatic spinning.
10. obtained by a kind of preparation method of orderly carbon-based composite electrode material according to any one of claim 1 to 9
Orderly carbon-based composite electrode material.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0449145A2 (en) * | 1990-03-29 | 1991-10-02 | Matsushita Electric Industrial Co., Ltd. | Electric double layer capacitor and method for producing the same |
| CN106854779A (en) * | 2016-12-15 | 2017-06-16 | 华南理工大学 | A kind of carbon nano-tube oriented enhanced carbon fibre composite and preparation method thereof |
| CN107675363A (en) * | 2017-11-03 | 2018-02-09 | 陕西品达石化有限公司 | A kind of preparation method of carbon nanofiber membrane |
| CN108315834A (en) * | 2018-01-26 | 2018-07-24 | 渤海大学 | A kind of preparation method of array magnetizing reduction graphene oxide-carbon nanofibers |
| CN108335917A (en) * | 2018-01-26 | 2018-07-27 | 渤海大学 | A kind of preparation method of carbon nanofibers load ordered arrangement redox graphene electrode material |
-
2018
- 2018-10-31 CN CN201811283187.5A patent/CN109378225A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0449145A2 (en) * | 1990-03-29 | 1991-10-02 | Matsushita Electric Industrial Co., Ltd. | Electric double layer capacitor and method for producing the same |
| CN106854779A (en) * | 2016-12-15 | 2017-06-16 | 华南理工大学 | A kind of carbon nano-tube oriented enhanced carbon fibre composite and preparation method thereof |
| CN107675363A (en) * | 2017-11-03 | 2018-02-09 | 陕西品达石化有限公司 | A kind of preparation method of carbon nanofiber membrane |
| CN108315834A (en) * | 2018-01-26 | 2018-07-24 | 渤海大学 | A kind of preparation method of array magnetizing reduction graphene oxide-carbon nanofibers |
| CN108335917A (en) * | 2018-01-26 | 2018-07-27 | 渤海大学 | A kind of preparation method of carbon nanofibers load ordered arrangement redox graphene electrode material |
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