CN107331525A - A kind of porous charcoal nanometer sheet electrode material of polyatom codope and its preparation method and application - Google Patents
A kind of porous charcoal nanometer sheet electrode material of polyatom codope and its preparation method and application Download PDFInfo
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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
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
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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
- H01G11/38—Carbon pastes or blends; Binders or additives therein
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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
- H01G11/44—Raw materials therefor, e.g. resins or coal
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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 porous charcoal nanometer sheet electrode material of a kind of polyatom codope and its preparation method and application, using the Animal Bone rich in protein, skin, shell the like waste as presoma, extracted the drying of obtained mixed solution with aqueous slkali after wherein protein, carbonized again under 500 ~ 1200 °C, finally washing obtains the electrode material.The material has flaky nanometer structure, while the features such as having nitrogen, oxygen, sulphur codope；During as electrode material for super capacitor, high volumetric capacitance and quality specific capacitance, good high rate performance and stable circulation performance are had concurrently.
Description
Technical field
The invention belongs to electrode material field, and in particular to a kind of porous charcoal nanometer plate electrode material of polyatom codope
Material and preparation method thereof and its application in ultracapacitor.
Background technology
Gone from bad to worse with the exhaustion and environmental pollution of fossil energy, a kind of green sustainable new type of energy storage device of exploitation
In the urgent need to, as the ultracapacitor of one of energy storage device due to good conductivity, cost is low, have extended cycle life, power density
High advantage and receive much concern, but its volume energy density and power density still need to further raising.
Carbon Materials are widely used in electrode material for super capacitor, be because its aboundresources, it is cheap and easily-available, and tool
There is excellent performance, such as good conductivity, specific surface area are big, and chemical property is stable etc..The carbon electrode material master of current business application
If activated carbon, but because the defect of its pore structure causes power density to be restricted, so as to limit its application.Two dimension knot
Big area-the volume ratio of Carbon Materials of structure and open pore structure, can produce more avtive spots, while shortening ion biography
Defeated distance, thus with higher power density and energy density.
Animal Bone, skin rich in protein, shell the like waste are a kind of Carbon Materials for being especially suitable for preparing Heteroatom doping
Biomass presoma, it contains abundant protein, and C, O, N containing high level in protein, and a small amount of S contain
Amount, acts not only as carbon source, can also realize heteroatomic doping in situ.In addition, these Animal Bones, skin, shell the like waste
Annual output is up to dozens or even hundreds of ten thousand tons, and most of be all dropped causes the wasting of resources and environmental pollution, therefore, with this
A little biological materials prepare Carbon Materials as presoma, both economize on resources, and reduce cost, and the pollution of environment is reduced again.At present, make
The common method of standby biomass carbon material is, by high-temperature activation after biomass presoma and alkali physical mixed, to obtain random pattern
Porous block structure, and content of heteroatoms is low so that mass transport process is slower, and high rate performance is poor and capacity is relatively low；In addition,
The bulk density of obtained porous carbon electrode material is often relatively low so that volumetric capacitance is relatively low.Thus seek a kind of step letter
Single, method with low cost is of great significance to prepare high performance porous carbon electrode material tool.
The content of the invention
It is an aspect of the present invention to provide a kind of preparation method of the porous charcoal nanometer sheet electrode material of polyatom codope, should
Method is with low cost, simple to operate, and the porous charcoal nanometer sheet content of heteroatoms prepared is more, and specific surface area is higher, heap
Product density is higher；On the other hand, the nitrogen that is prepared with this method, oxygen, sulphur codope porous charcoal nanometer sheet electrode material can
Electrode material as ultracapacitor, with high volumetric capacitance and good high rate performance and cyclical stability.
The present invention adopts the following technical scheme that, the porous charcoal nanometer sheet electrode material of a kind of polyatom codope, with many
Hole flaky nanometer structure, lamellar spacing is about 2 ~ 10 nm, and specific surface area is 500 ~ 3000 m2 g-1, pore volume is 0.2 ~ 1.6 cm3
g-1, bulk density is 0.48 ~ 1.4 cm3 g-1, and nitrogen, 12 ~ 18 % oxygen, 0.2 ~ 1.5 % sulphur doped with 1.0 ~ 7 %.With
When making electrode material for super capacitor, with higher volumetric capacitance and good high rate performance and cyclical stability.
The present invention also protects the preparation method of the porous charcoal nanometer sheet electrode material of above-mentioned polyatom codope, with rich in egg
Animal Bone, skin, the shell the like waste of white matter are presoma, are extracted obtained mixed solution using aqueous slkali after wherein protein
Carbonized after drying under 500 ~ 1200 °C, finally washing obtains the electrode material.
In further preferred embodiment of the present invention, the preparation method comprises the following steps：
(1) Animal Bone, skin, shell the like waste presoma that will be enriched in protein are put into the aqueous slkali that concentration is 0.1 ~ 6 M,
Wherein the mass ratio of presoma and alkali is 1:10~10:1, solution is put into container, 1 ~ 48h is incubated under 40 ~ 100 °C, is removed
Resulting solution is dried after precipitation, then dried sample is put into retort, under an inert atmosphere with 1 ~ 20 °C/min
Heating rate be gradually heated to 500 ~ 1200 °C of carbonization temperature and be incubated 0.5 ~ 3 h；
(2) carbonizing production for obtaining step (1) is washed to neutrality, and drying 6 ~ 24 h in the case where temperature is 40 ~ 120 °C obtains
Nitrogen, oxygen, the porous charcoal nanometer sheet electrode material of the polyatom codope of sulphur codope.
In further preferred embodiment of the present invention, before the described Animal Bone rich in protein, skin, shell the like waste
Drive one or more of the body in the animal shell such as the Animal Bone such as ox, sheep, pig, chicken, duck, fish skin and fish scale, shrimp shell, crab shell.
In further preferred embodiment of the present invention, described alkali in water miscible KOH, NaOH, LiOH one
Plant or several；Alkali concn is 0.1 ~ 2 M；The mass ratio of presoma and alkali is 4:1~1:4.
In further preferred embodiment of the present invention, described alkali Extracting temperature is 60 ~ 80 °C, and soaking time is 6 ~ 24
h。
In further preferred embodiment of the present invention, described solution drying means is freeze-drying or heated drying.
In further preferred embodiment of the present invention, carbonization temperature used is 500 ~ 900 °C and 1 ~ 2 h of insulation.
In further preferred embodiment of the present invention, described heating rate is 2.5 ~ 10 °C/min.
The present invention also protects a kind of electrode material for super capacitor, is prepared via a method which to obtain：Will be obtained above
Porous charcoal nanometer sheet electrode material, acetylene black, the binding agent of polyatom codope press 7: (2.5~1.5) :The matter of (0.5 ~ 1.5)
Amount adds solvent and is fully ground and be modulated into even application after homogeneous paste and in nickel foam, be subsequently placed in true than well mixed
Taken out after drying 4 h at 80 °C in empty baking oven, in 6 ~ 10 MPa pressure lower sheetings, then in 120 °C of dry 20 ~ 24h.
In further preferred embodiment of the present invention, described binding agent is one kind or several in PVDF, PVA or PTFE
Kind.
In further preferred embodiment of the present invention, the solvent is 1-METHYLPYRROLIDONE.
In further preferred embodiment of the present invention, the electrode material, acetylene black, the mass ratio of binding agent are 7:
2.5:0.5。
The present invention also application of the protection using the above-mentioned electrode material for super capacitor prepared in ultracapacitor.
Compared with prior art, the invention has the advantages that：With the Animal Bone rich in protein, skin, shell the like waste
Carbon Materials are prepared Deng for presoma, protein therein contains abundant N, O, S hetero atom, heteroatomic original position can be achieved and mixes
It is miscellaneous；Protein in material is extracted using aqueous slkali, and it is formed laminated structure under alkali effect, by a step charring,
Obtain the porous charcoal nanometer sheet material of nitrogen, oxygen, sulphur codope.This method step is simple, with low cost.Due to obtained Carbon Materials
With porous nano sheet structure, lamellar spacing is about 2 ~ 10 nm, while having higher specific surface area (500 ~ 3000 m2
g-1), relatively low pore volume (0.2 ~ 1.6cm3g-1), higher bulk density (0.48 ~ 1.4 cm3g-1), and doped with a certain amount of
Nitrogen (1.0 ~ 7 %), oxygen (12 ~ 18 %), sulphur (0.2 ~ 1.5 %) so that when the material is as electrode material for super capacitor,
Test is carried out under three-electrode system has higher volumetric capacitance and good high rate performance and cyclical stability, wherein,
Electrolyte is the 6 M KOH aqueous solution, is Pt to electrode, reference electrode is Hg/HgO.0.1,1,10,100,200A g-1Rank
Under terraced current density, volumetric capacitance can respectively reach 370,200,160,150,140 Fcm-3More than, in 5 A g-1Electric current is close
Specific capacitance still keeps 94.2% after being circulated 10000 times under degree.Abundant raw materials of the present invention, cost are low, preparation method is simple
Single, the porous charcoal nanometer sheet material for preparing polyatom codope and its application in ultracapacitor provide new think of
Road.
Brief description of the drawings
Fig. 1 is the scanning electricity of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1
Mirror figure；
Fig. 2 is the high-resolution transmission of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1
Electron microscope；
Fig. 3 is that the atom of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1 is tried hard to；
Fig. 4 is the nitrogen adsorption desorption of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1
Curve；
Fig. 5 is the graph of pore diameter distribution of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1；
Fig. 6 is the Elemental redistribution face of the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1
Scanning figure；
Fig. 7 is the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1 as super capacitor
Device electrode material is in 1,2,5,10,20,50,100,200 A g-1Specific capacitance figure under current density；
Fig. 8 is the porous charcoal nanometer sheet electrode material of the polyatom codope prepared by the embodiment of the present invention 1 as super capacitor
Device electrode material is in 5 A g-1Circulation volume figure under current density.
Embodiment
Embodiment 1
In the water heating kettle inner bag that 2 g fish scales are put into the polytetrafluoroethylene (PTFE) material for filling the 0.6 M KOH aqueous solution, put after shell
It is put into 80 °C of baking ovens to react and is taken out after 24 h, is cooled to absorption yellow transparent solution after room temperature and is put into freezing in freeze dryer
Taken out after drying three days, the solid after freezing, which is put into after corundum porcelain boat, to be placed in high temperature process furnances, under an inert atmosphere, with
2.5 °C min-1Heating rate be heated to 600 °C, be incubated 1 h；Taken out after tube furnace is down to room temperature in corundum porcelain boat
Product, is then washed with deionized water to neutrality and is dried in 80 °C of baking ovens, that is, obtains the porous charcoal nanometer of polyatom codope
Plate electrode material (such as Fig. 1).Its specific surface area is 962 m2 g-1, pore volume be 0.41 cm3 g-1, oxygen content is 14.64 %, nitrogen
Content is that 5.05 %, sulfur content are 0.92 %, the nm of lamellar spacing about 5.
The porous charcoal nanometer sheet electrode material of polyatom codope obtained above, acetylene black, binding agent PVDF are pressed 7:
2.5:0.5 mass ratio is well mixed, and is fully ground with 1-METHYLPYRROLIDONE and is modulated into even application after homogeneous paste and exists
On a diameter of 14 mm circular shaped foam nickel, then take out, entered with 8 MPa pressure after 80 °C of 4 h of drying in vacuum drying oven
120 °C of 20 h of drying in vacuum drying oven are returned to after row tabletting.Electrode slice is prepared into the work of ultracapacitor three-electrode system
Make electrode, wherein being Pt to electrode, reference electrode is Hg/HgO.
In order to investigate the volume and capacity ratio and high rate performance of material, perseverance is carried out in 6 M KOH electrolyte to electrode material
Charge-discharge test and long circulating test analysis are flowed, constant current charge-discharge test condition is：The V of voltage range -1 ~ 0, current density is successively
For：0.1、0.2、0.5、1、2、5、10、20、50、100、200 A g-1；Long circulating test condition is：It is -1 ~ 0 in voltage range
V, current density is 5 A g-1Lower progress constant current charge-discharge long circulating test, cycle-index is 10000 times.Surveyed through constant current charge-discharge
Examination calculates obtained quality specific capacitance：492、376、311、309、286、269、262、254、251、242、238 F g-1；Volume and capacity ratio is respectively：539、412、340、338、313、294、286、278、274、265、260 F cm-3, in electric current
Density is from 1 A g-1Increase to 200 A g-1, capability retention is 76.9 %（Fig. 7）.In order to investigate the cyclical stability of material,
Long circulating test is carried out to material, in 5 A g-1Specific capacitance still keeps 94.2% after being circulated 10000 times under current density.
Embodiment 2
Operating condition such as be the same as Example 1, difference is that carbonization temperature is 700 °C.Obtained polyatom codope it is porous
Charcoal nanometer sheet electrode material.Its specific surface area is 1637 m2 g-1, pore volume be 0.72 cm3 g-1, oxygen content is 13.05 %, nitrogen
Content is that 3.41 %, sulfur content are 0.68 %, the nm of lamellar spacing about 5.
Electro-chemical test is carried out using method same as Example 1, as a result shows, is calculated through constant current charge-discharge test
To quality specific capacitance be respectively：554、337、323、296、277、266、255、248、241、235、224 F g-1, volume ratio
Electric capacity is respectively：456、277、266、244、228、219、210、204、198、193、184 F cm-3.In current density from 1 A
g-1Increase to 200 A g-1, capability retention is 75.7 %.In 5 A g-1Under current density circulate 10000 times after specific capacitance still
Keep 93.7%.
Embodiment 3
Operating condition such as be the same as Example 1, difference is that carbonization heating rate is 10 °C/min.Obtained polyatom is co-doped with
Miscellaneous porous charcoal nanometer sheet electrode material.Its specific surface area is 1224 m2 g-1, pore volume be 0.52 cm3 g-1, oxygen content is
13.45%th, nitrogen content is that 4.14%, sulfur content is 0.81%, the nm of lamellar spacing about 4.
Electro-chemical test is carried out using method same as Example 1, as a result shows, is calculated through constant current charge-discharge test
To quality specific capacitance be respectively：511、367、295、289、272、263、255、241、236、230、224F g-1；Volume specific volume
Amount is respectively：501、360、283、275、267、258、250、236、231、225、220 F cm-3, in current density from 1 A g-1Increase to 200 A g-1, capability retention is 77.4 %.In 5 A g-1Specific capacitance is still protected after being circulated 10000 times under current density
Hold 94.2%.
Embodiment 4
Operating condition such as be the same as Example 1, difference is that carbonization time is 2 h.The porous charcoal of obtained polyatom codope
Nanometer sheet electrode material.Its specific surface area is 1824 m2 g-1, pore volume be 0.86 cm3 g-1, oxygen content is 14.17 %, nitrogen contains
Amount is that 4.85 %, sulfur content are 0.83 %, the nm of lamellar spacing about 4.
Electro-chemical test is carried out using method same as Example 1, as a result shows, is calculated through constant current charge-discharge test
To quality specific capacitance be respectively：536、389、348、331、312、294、286、274、262、257、249F g-1；Volume specific volume
Amount is respectively：394、386、256、243、229、216、210、201、193、189、183 F cm-3, in current density from 1 A g-1Increase to 200 A g-1, capability retention is 75.2 %.In 5 A g-1Specific capacitance is still protected after being circulated 10000 times under current density
Hold 94.6%.
Embodiment 5
Operating condition such as be the same as Example 1, difference is to carbonize the preceding moisture removed by the way of drying in solution, obtained
Polyatom codope porous charcoal nanometer sheet carbon electrode material.Its specific surface area is 1140 m2 g-1, pore volume be 0.48 cm3
g-1, oxygen content is that 14.52 %, nitrogen content are that 4.97 %, sulfur content are 0.86 %, the nm of lamellar spacing about 6.
Electro-chemical test is carried out using method same as Example 1, as a result shows, is calculated through constant current charge-discharge test
To quality specific capacitance be respectively：487、370、305、301、284、266、258、251、246、235、229F g-1；Volume specific volume
Amount is respectively：497、377、311、307、290、271、263、256、251、240、234 F cm-3, in current density from 1 A g-1Increase to 200 A g-1, capability retention is 76.1 %.In 5 A g-1Specific capacitance is still protected after being circulated 10000 times under current density
Hold 93.5%.
Embodiment 6
Operating condition such as be the same as Example 1, difference is that Animal Skin used is fish-skin.Fish-skin is 1 with KOH mass ratioes:1.5,
Alkali concn is 0.9M, the porous charcoal nanometer sheet of obtained polyatom codope.Its specific surface area is 1054 m2 g-1, pore volume be
0.46 cm3 g-1, oxygen content is that 13.52 %, nitrogen content are that 4.85 %, sulfur content are 0.83 %, the nm of lamellar spacing about 9.
Electro-chemical test is carried out using method same as Example 1, as a result shows, is calculated through constant current charge-discharge test
To quality specific capacitance be respectively：484、372、313、298、281、267、252、247、243、237、225F g-1；Volume specific volume
Amount is respectively：503、387、326、310、292、278、262、257、253、246、234 F cm-3, in current density from 1 A g-1Increase to 200 A g-1, capability retention is 75.5 %.In 5 A g-1Specific capacitance is still protected after being circulated 10000 times under current density
Hold 93.1%.
Presently preferred embodiments of the present invention is illustrated above, but the present invention is not limited to the embodiment,
Those skilled in the art can also make a variety of equivalent modifications or replacement on the premise of without prejudice to spirit of the invention,
These equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. the porous charcoal nanometer sheet electrode material of a kind of polyatom codope, it is characterised in that with porous nano sheet structure,
Lamellar spacing is about 2 ~ 10 nm, and specific surface area is 500 ~ 3000 m2 g-1, pore volume is 0.2 ~ 1.6cm3g-1, bulk density is
0.48~1.4 cm3g-1, and nitrogen, 12 ~ 18 % oxygen, 0.2 ~ 1.5 % sulphur doped with 1.0 ~ 7 %.
2. the preparation method of the porous charcoal nanometer sheet electrode material of the polyatom codope described in claim 1, it is characterised in that
Using the Animal Bone rich in protein, skin, shell the like waste as presoma, being extracted using aqueous slkali will obtain wherein after protein
Mixed solution is carbonized after drying under 500 ~ 1200 °C, and finally washing obtains the electrode material.
3. preparation method according to claim 2, it is characterised in that comprise the following steps：
(1) Animal Bone, skin, shell the like waste presoma that will be enriched in protein are put into the aqueous slkali that concentration is 0.1 ~ 6 M,
Wherein the mass ratio of presoma and alkali is 1:10~10:1, solution is put into container, 1 ~ 48h is incubated under 40 ~ 100 °C, is removed
Resulting solution is dried after precipitation, then dried sample is put into retort, under an inert atmosphere with 1 ~ 20 °C/min
Heating rate be gradually heated to 500 ~ 1200 °C of carbonization temperature and be incubated 0.5 ~ 3 h；
(2) carbonizing production for obtaining step (1) is washed to neutrality, and drying 6 ~ 24 h in the case where temperature is 40 ~ 120 °C obtains
Nitrogen, oxygen, the porous charcoal nanometer sheet electrode material of sulphur codope.
4. preparation method according to claim 3, it is characterised in that the described Animal Bone rich in protein, skin, shell etc.
One kind in the animal shell such as the Animal Bone such as ox, sheep, pig, chicken, duck, fish skin and fish scale, shrimp shell, crab shell of discarded object presoma or
It is several；One or more of the described alkali in water miscible KOH, NaOH, LiOH；Alkali concn is 0.1 ~ 2 M；Presoma with
The mass ratio of alkali is 4:1~1:4.
5. preparation method according to claim 3, it is characterised in that described alkali Extracting temperature is 60 ~ 80 °C, during insulation
Between be 6 ~ 24 h.
6. preparation method according to claim 3, it is characterised in that described solution drying means is freeze-drying or heat
Dry.
7. preparation method according to claim 3, it is characterised in that described heating rate is 2.5 ~ 10 °C/min；Institute
Carbonization temperature is 500 ~ 900 °C and 1 ~ 2 h of insulation.
8. a kind of electrode material for super capacitor, it is characterised in that be prepared via a method which to obtain：By described in claim 1
The porous charcoal nanometer sheet electrode material of polyatom codope, acetylene black, binding agent press 7: (2.5~1.5) :(0.5 ~ 1.5)
Mass ratio is well mixed, and is added solvent and is fully ground and is modulated into even application after homogeneous paste and in nickel foam, is subsequently placed in
Taken out after drying 4 h at 80 °C in vacuum drying oven, in 6 ~ 10 MPa pressure lower sheetings, then in 120 °C of dry 20 ~ 24h.
9. electrode material for super capacitor according to claim 8, it is characterised in that described binding agent is PVDF, PVA
Or the one or more in PTFE；The solvent is 1-METHYLPYRROLIDONE；The electrode material, acetylene black, the matter of binding agent
Amount is than being 7:2.5:0.5.
10. application of the electrode material for super capacitor according to claim 8 or claim 9 in ultracapacitor.
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Cited By (8)
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| CN107758641A (en) * | 2017-11-13 | 2018-03-06 | 温州大学 | A kind of three-dimensional nitrogen sulphur codope porous carbon materials and preparation method and purposes |
| CN107963621A (en) * | 2017-11-27 | 2018-04-27 | 中南大学 | Three-dimensional porous carbon material, preparation thereof and application thereof in sodium-ion battery |
| CN108615899A (en) * | 2018-04-27 | 2018-10-02 | 中南大学 | A kind of Heteroatom doping porous carbon materials and preparation method thereof and the application in zinc and air cell |
| CN110277557A (en) * | 2018-03-17 | 2019-09-24 | 中国海洋大学 | The preparation method and storage sodium performance of the biological carbon material of multi-element doping, high-specific surface area, threadiness |
| CN111029168A (en) * | 2019-12-24 | 2020-04-17 | 东北电力大学 | Egg white derived biomass charcoal-loaded silver nanoparticle electrode material and preparation method thereof |
| CN111186838A (en) * | 2020-01-07 | 2020-05-22 | 西安理工大学 | Preparation method and application of biomass-based electrode material |
| CN114496584A (en) * | 2022-02-24 | 2022-05-13 | 武汉大学 | Tooth-based conductive material and preparation method and application thereof |
| CN114914098A (en) * | 2022-06-14 | 2022-08-16 | 湘潭大学 | Preparation method and application of nitrogen-oxygen-sulfur co-doped flexible carbon cloth derived from waste wet tissue |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107758641B (en) * | 2017-11-13 | 2020-07-03 | 温州大学 | Three-dimensional nitrogen and sulfur co-doped porous carbon material, and preparation method and application thereof |
| CN107758641A (en) * | 2017-11-13 | 2018-03-06 | 温州大学 | A kind of three-dimensional nitrogen sulphur codope porous carbon materials and preparation method and purposes |
| CN107963621A (en) * | 2017-11-27 | 2018-04-27 | 中南大学 | Three-dimensional porous carbon material, preparation thereof and application thereof in sodium-ion battery |
| CN107963621B (en) * | 2017-11-27 | 2021-01-29 | 中南大学 | Three-dimensional porous carbon material, preparation thereof and application thereof in sodium-ion battery |
| CN110277557A (en) * | 2018-03-17 | 2019-09-24 | 中国海洋大学 | The preparation method and storage sodium performance of the biological carbon material of multi-element doping, high-specific surface area, threadiness |
| CN108615899B (en) * | 2018-04-27 | 2020-11-20 | 中南大学 | Porous carbon material, preparation method thereof and application thereof in zinc-air battery |
| CN108615899A (en) * | 2018-04-27 | 2018-10-02 | 中南大学 | A kind of Heteroatom doping porous carbon materials and preparation method thereof and the application in zinc and air cell |
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| CN111186838A (en) * | 2020-01-07 | 2020-05-22 | 西安理工大学 | Preparation method and application of biomass-based electrode material |
| CN114496584A (en) * | 2022-02-24 | 2022-05-13 | 武汉大学 | Tooth-based conductive material and preparation method and application thereof |
| CN114496584B (en) * | 2022-02-24 | 2022-11-18 | 武汉大学 | Conductive material based on teeth and preparation method and application thereof |
| CN114914098A (en) * | 2022-06-14 | 2022-08-16 | 湘潭大学 | Preparation method and application of nitrogen-oxygen-sulfur co-doped flexible carbon cloth derived from waste wet tissue |
| CN114914098B (en) * | 2022-06-14 | 2023-05-12 | 湘潭大学 | Preparation method and application of waste wet towel derived nitrogen-oxygen-sulfur co-doped flexible carbon cloth |
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