CN107572496A - A kind of preparation method of high specific capacitance carbo lignius - Google Patents
A kind of preparation method of high specific capacitance carbo lignius Download PDFInfo
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- CN107572496A CN107572496A CN201710830597.6A CN201710830597A CN107572496A CN 107572496 A CN107572496 A CN 107572496A CN 201710830597 A CN201710830597 A CN 201710830597A CN 107572496 A CN107572496 A CN 107572496A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000003610 charcoal Substances 0.000 claims abstract description 11
- 241000219000 Populus Species 0.000 claims abstract description 8
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 241000218652 Larix Species 0.000 claims abstract description 5
- 235000005590 Larix decidua Nutrition 0.000 claims abstract description 5
- 238000002484 cyclic voltammetry Methods 0.000 claims abstract description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- 239000002023 wood Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 238000007873 sieving Methods 0.000 claims 1
- 239000002585 base Substances 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 239000002028 Biomass Substances 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000007833 carbon precursor Substances 0.000 abstract description 4
- 238000011017 operating method Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 4
- 239000004005 microsphere Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910000480 nickel oxide Inorganic materials 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000005486 organic electrolyte Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
A kind of preparation method of high specific capacitance carbo lignius, it is characterised in that：Using barks such as larch, poplars as raw material; nonmetal oxide is doped source; under thermal and hydric environment high temperature high pressure process for a period of time after; multiple centrifugal filtration obtains dark-brown carbon precursor; dry, be put into tube calciner after grinding; high temperature cabonization under inert gas shielding; obtain the wooden base charcoal with flourishing pore structure of nonmetal doping; it is made into working electrode; investigate the charging and discharging curve of the three-electrode system ultracapacitor of composition; the parameters such as cyclic voltammetry curve, analysis prepare the electrochemical properties such as the specific capacitance of wooden base Carbon Materials.This operating procedure is mainly characterized in that using biomass resource discarded object bark be raw material, environmentally friendly cheap and easy to get, hydro-thermal reaction low-temp low-pressure, the passivator such as acid-alkali salt need not be added, the Carbon Materials pore structure of preparation is adjustable, has excellent electrochemical properties, course of reaction is simple to operate, and cost is cheap.
Description
Art：
The present invention relates to field of nano material preparation, more particularly to a kind of preparation method of high specific capacitance carbo lignius
Background technology：
Electric chemical super capacitor is that a kind of have that use temperature range is wide, power density is high and the spies such as energy density is high
Point, new and effective between capacitor and battery can store up equipment, in the vehicles, communications service and science and techniques of defence etc.
Direction has a wide range of applications.Electrode material is the key factor for influenceing performance of the supercapacitor, by different materials through not Tongfang
Carbon Materials made from method are commonly used because of the features such as reference area is big, preparation method is ripe and stability is high as ultracapacitor
One of electrode material.In recent years, the graphene quilt of the CNT with homogeneous tubular porous structure and bigger serface
Electrode is attempted to act as, but preparation cost is high, complex process limits their extensive use.Research points out that some nonmetallic are mixed
Miscellaneous Carbon Materials show higher specific capacitance, therefore explore that cost is low, the simple nonmetal doping carbon materials of preparation technology
Material has definite meaning.
The biomass resource environment-friendly type renewable resource abundant as a kind of deposit, rich in carbon, using it as raw material system
Standby Carbon Materials have the excellent electric conductivity of conventional petroleum base, coal-based carbon material, and chemical property and flourishing pore structure are same
When often have abundant functional group, superpower adsorption capacity and high chemical stability concurrently, nonmetallic heteroatoms doping process
Middle active component interacts with biomass carbon, is generally entrained on carbon skeleton, and the activated centre stability of formation is higher,
It is used as the preferable carbon based material of electrode material.
A kind of super electricity than energy-specific power excellent performance of Publication No. CN101531358 Introduction To Cn Patent
The preparation method of container electrode Carbon Materials, the phenolic compounds such as resorcinol and formaldehyde there are into catalyst and certain proportion heat
Under conditions of labile polymer polyethylene glycol, it is placed in reactor and reacts, obtain kermesinus colloid, in tubular type after fully dries
Charing obtains target carbon material under nitrogen atmosphere in stove, and the quality specific capacitance in water-based and organic electrolyte is reachable respectively
170F/g120F/g, the method technique is simple, and product specific capacitance is high, but is related to the raw materials such as phenol and formaldehyde, limits actual answer
With.
Publication No. CN105355464A Introduction To Cn Patent is a kind of have high specific capacitance, it is high specific surface area and mesoporous-
The preparation method of micropore carbon microspheres, using styrene as monomer, SBA-15 is mesoporous template, and APP is multifunctional assistant system
Standby polystyrene microsphere, then by obtained polystyrene microsphere is crosslinked, charing, etching obtain having the poly- of high-specific surface area
Styryl is mesoporous-micropore carbon microspheres, the use that the method avoids soda acid activator can obtain flourishing pore structure and Fei Jin
Belong to the carbosphere of doping, using it as electrode material, the specific capacitance in aqueous electrolyte reaches 130~170F/g, but the material
It is not suitable for organic electrolyte system.
Publication No. CN102311113A Chinese patent provides a kind of preparation method of tobacco rod base porous carbon material, with
Tobacco rod solid waste is carbon precursor raw material, uses the carbonate containing certain alkali metal ion concentration molten after being dehydrated, crushing
Liquid impregnates, and successively undergoes pickling after carbonization-activation processing, hot deionized water is washed, obtains porous charcoal after dry and vacuum heat
Material.Carbon Materials specific surface area is up to 1500~2200m made from the method2/ g, there is high power capacity, Gao Gong for capacitor material
Rate, however during pickling and washing after product it is unfriendly to environment, it is necessary to after-treatment, the process for adding technique.
Publication No. CN104916542A Chinese patent provide a kind of capacitor wood activated charcoal composite and
Its preparation method, by wood substance grain charing process under nitrogen atmosphere, after being washed respectively with hydrochloric acid and nitric acid with nickel nitrate solution
It is mixed with dipping, secondary clacining reduction-oxidation nickel after drying, and it is activated with vapor, air is passed through in last calcining furnace
Elemental nickel is again converted into nickel oxide, obtains being loaded with the active carbon with high specific surface area of nickel oxide, while utilize the catalytic of nickel
Faraday's capacity effect of matter and nickel oxide, but reactions steps are tediously long, are related to high-temperature activation three times, limit to a certain extent
The scope of application.
In summary, traditional capacitor for preparing uses the method with high specific capacitance Carbon Materials to include direct high temperature cabonization,
Template etches, and acid-base solution impregnating, course of reaction is often cumbersome tediously long, and raw material is related to phenol, aldehyde, carbonate, although production
Physical performance is excellent, and specific capacitance is high, and still environment is unfriendly while limits practical application.This patent is proposed with agriculture and forestry organic waste material tree
Skin is raw material, and nonmetal oxide is doped source, is reacted using water as solvent, hydro-thermal reaction low-temp low-pressure, the Carbon Materials hole of preparation
Structure is adjustable, has higher specific capacitance.
The content of the invention：
It is an object of the invention to provide a kind of preparation method of high specific capacitance carbo lignius.
In order to achieve the above object, the technical solution adopted by the present invention includes：A kind of preparation side of high specific capacitance carbo lignius
Method, it is characterised in that：Using barks such as larch, poplars as raw material, nonmetal oxide is doped source, the high temperature under thermal and hydric environment
HIGH PRESSURE TREATMENT for a period of time after, multiple centrifugal filtration obtains dark-brown carbon precursor, and tube calciner, indifferent gas are put into after drying
The lower high temperature cabonization of body protection, obtains the wooden base charcoal with flourishing pore structure of nonmetal doping, is made into working electrode,
The parameter such as charging and discharging curve, cyclic voltammetry curve of the three-electrode system ultracapacitor of composition is investigated, analysis prepares wooden base
The electrochemical properties such as the specific capacitance of Carbon Materials.This operating procedure is mainly characterized in that using biomass resource discarded object bark be original
Material, environmentally friendly cheap and easy to get, hydro-thermal reaction low-temp low-pressure, without adding the passivator such as acid-alkali salt, the Carbon Materials pore structure of preparation can
Adjust, there are excellent electrochemical properties, course of reaction is simple to operate, and cost is cheap.
It is an advantage of the invention that：
1st, using forest tree castoff larch and poplar bark as reaction raw materials, rich in carbon source, natural biomass is made full use of,
Carbonization degree is higher after hydrothermal treatment.
2nd, instant invention overcomes deficiency of the prior art, traditional production technology is changed, using hydro-thermal reaction, with water
For solvent, raw material is not required to pre-process, and course of reaction is simple to operate, and production cost is low, and yield is high；
3rd, the wooden base charcoal specific surface area prepared in present invention reaction is flourishing, and nonmetallic active sites are stable, have
Higher specific capacitance.
Brief description of the drawings：
Fig. 1 is the cyclic voltammetry curve that the carbo lignius that the embodiment of the present invention 1 is prepared measures under different scanning rates；
The charging and discharging curve that the carbo lignius that Fig. 2 embodiment of the present invention 1 is prepared measures under different current densities.
Embodiment：
Present invention implementation is described in further detail below：
A kind of preparation method of high specific capacitance carbo lignius, it is characterised in that：It is non-using barks such as larch, poplars as raw material
Metal oxide is doped source, under thermal and hydric environment high temperature high pressure process for a period of time after, multiple centrifugal filtration obtains dark-brown
Carbon precursor, tube calciner is put into after drying, high temperature cabonization under inert gas shielding, obtain nonmetal doping has prosperity
The wooden base charcoal of pore structure, is made into working electrode, and the discharge and recharge for investigating the three-electrode system ultracapacitor of composition is bent
The parameters such as line, cyclic voltammetry curve, analysis prepare the electrochemical properties such as the specific capacitance of wooden base Carbon Materials.
Below, the present invention will be further detailed with embodiment, but it is not limited to any of these embodiments
Individual or similar example.
Embodiment 1：
Grind, sieve after the poplar bark of collection is dried, choose 40-60 mesh wood powder as raw material, melamine is to mix
Miscellaneous source, weighs wood powder 10g, and the doping of wood powder and melamine is compared for 12:1, volume 100ml polytetrafluoroethylene (PTFE) is put into after mixing
In liner reactor, ensure that liquor capacity and kettle volumetric ratio are 7:10, reactor is put into homogeneous reactor after well mixed,
Isothermal reaction 12h at a temperature of 230 DEG C, cooled and filtered, collection obtain dark brown solid product, and tubular type calcining is put into after drying
Stove, 900 DEG C, constant temperature 5h are warming up to 5 DEG C/min under nitrogen atmosphere protection, obtains the wooden base charcoal of N doping.Prepared by the method
Wooden base charcoal, the content of nitrogen is 8.2%, specific surface area 1098.3m2/g。
Working electrode will be made after the Carbon Materials tabletting of preparation, Pt pieces are that saturated calomel electrode is reference electrode to electrode,
The charging and discharging curve of three-electrode system capacitor is investigated, it is 312F/g to calculate its specific capacitance.
Embodiment 2：
Grind, sieve after the poplar wood skin of collection is dried, choose 80-100 mesh wood powder as raw material, thiocarbamide is doping
Source, weighs wood powder 10g, and the doping of wood powder and thiocarbamide is compared for 9:1, the polytetrafluoroethyllining lining that volume 100ml is put into after mixing is anti-
Answer in kettle, ensure that liquor capacity and kettle volumetric ratio are 6:10, reactor is put into homogeneous reactor after well mixed, 250 DEG C
At a temperature of isothermal reaction 14h, cooled and filtered, collection obtains dark brown solid product, tube calciner, nitrogen is put into after drying
950 DEG C, constant temperature 3h are warming up to 5 DEG C/min under atmosphere protection, obtains the wooden base charcoal of sulfur doping.Wooden base prepared by the method
Charcoal, the content of sulphur is 6.3%, specific surface area 869.4m2/g。
Working electrode will be made after the Carbon Materials tabletting of preparation, Pt pieces are that saturated calomel electrode is reference electrode to electrode,
The charging and discharging curve of three-electrode system capacitor is investigated, it is 299F/g to calculate its specific capacitance.
Claims (8)
- A kind of 1. preparation method of high specific capacitance carbo lignius, it is characterised in that：Using barks such as larch, poplars as raw material, non-gold Category oxide is doped source, under thermal and hydric environment high temperature high pressure process for a period of time after, multiple centrifugal filtration obtains dark-brown charcoal Presoma, dry, be put into tube calciner after grinding, high temperature cabonization under inert gas shielding, obtain nonmetal doping has The wooden base charcoal of flourishing pore structure, is made into working electrode, investigates the charge and discharge of the three-electrode system ultracapacitor of composition The parameters such as electric curve, cyclic voltammetry curve, analysis prepare the electrochemical properties such as the specific capacitance of wooden base Carbon Materials.
- 2. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Raw materials used fallen leaves The wood powder of 40-100 mesh is chosen after pine, the grinding sieving of poplar bark.
- 3. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：That chooses is nonmetallic Doped source can be nitrogen source, sulphur source, phosphorus source or boron source.
- 4. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Hydro-thermal reaction raw material Controlled with doped source mass ratio 5:1~20:1, solvent capacity is 3 with reactor Capacity Ratio:5~9:10.
- 5. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Hydrothermal temperature At 220~260 DEG C, 12~18h of reaction time.
- 6. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Described charing temperature Spend for 800~1000 DEG C, the time is 2~5h.
- 7. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Described is high than electricity The specific surface area for holding carbo lignius is 628~1376m2/g。
- 8. according to a kind of preparation method of high specific capacitance carbo lignius described in claim 1, it is characterised in that：Described carbo lignius Specific capacitance under test conditions is 257~369F/g.
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Cited By (5)
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| CN109250704A (en) * | 2018-12-07 | 2019-01-22 | 中国科学院新疆理化技术研究所 | A kind of preparation method and application of russianolive dried juice base porous carbon materials |
| CN109250704B (en) * | 2018-12-07 | 2021-08-17 | 中国科学院新疆理化技术研究所 | Preparation method and application of oleaster gum base porous carbon material |
| CN109626370A (en) * | 2019-01-21 | 2019-04-16 | 青岛科技大学 | The preparation and its application of biomass-based porous carbon materials based on sycamore seed |
| CN112062125A (en) * | 2020-09-09 | 2020-12-11 | 艾思尔信息科技(上海)有限公司 | Hierarchical pore doped carbon material and preparation method and application thereof |
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