CN110028050A - A method of supercapacitor Carbon Materials are prepared using bio oil - Google Patents
A method of supercapacitor Carbon Materials are prepared using bio oil Download PDFInfo
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- CN110028050A CN110028050A CN201910311708.1A CN201910311708A CN110028050A CN 110028050 A CN110028050 A CN 110028050A CN 201910311708 A CN201910311708 A CN 201910311708A CN 110028050 A CN110028050 A CN 110028050A
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- 239000012075 bio-oil Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 49
- 239000011261 inert gas Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000005554 pickling Methods 0.000 claims abstract description 7
- 239000002028 Biomass Substances 0.000 claims abstract description 6
- 238000010000 carbonizing Methods 0.000 claims abstract description 6
- UPXYJUPSYMBDCO-UHFFFAOYSA-L magnesium;diacetate;hydrate Chemical compound O.[Mg+2].CC([O-])=O.CC([O-])=O UPXYJUPSYMBDCO-UHFFFAOYSA-L 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 8
- 238000000197 pyrolysis Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 239000005457 ice water Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 abstract description 29
- 238000009826 distribution Methods 0.000 abstract description 7
- 239000003792 electrolyte Substances 0.000 abstract description 5
- 230000004913 activation Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- MJOQJPYNENPSSS-XQHKEYJVSA-N [(3r,4s,5r,6s)-4,5,6-triacetyloxyoxan-3-yl] acetate Chemical compound CC(=O)O[C@@H]1CO[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O MJOQJPYNENPSSS-XQHKEYJVSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- -1 Filter Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- 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
-
- 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
-
- 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 invention discloses a kind of methods using bio oil preparation supercapacitor Carbon Materials to be made the mixture of bio oil and template the preparation method is as follows: four acetate hydrate magnesium are template first using bio oil as carbon matrix precursor；Then high temperature carbonization is carried out to mixture under inert gas atmosphere and obtains carbonizing production MgO/C, and pickling is carried out to it；Finally, being filtered, deionized water is washed, just obtains bio oil base porous charcoal after drying.Biomass-based porous charcoal is prepared compared to activation method, the present invention is easier to realize the control accurate to porous charcoal pattern, structure and pore-size distribution, product specific capacitance with higher and excellent high rate performance.Using 6M KOH as electrolyte, under 0.5A/g current density, specific capacitance is up to 344F/g.In 50A/g, specific capacitance remains 182F/g.
Description
Technical field
The present invention relates to the preparation method of electrochemistry and new energy materials, in particular to a kind of use bio oil prepares super
The method of capacitor Carbon Materials.
Background technique
Supercapacitor, with its high power density, fast charging and discharging, overlength cycle life, device is simple, stability is good etc.
Feature is widely used in the fields such as digital equipment, electric car, wearable device, is a kind of new type of energy storage device of environmental protection.
Porous carbon materials have the characteristics that specific surface area height, good conductivity, chemical stability are high, are widely used in super capacitor electrode
Pole material.
The preparation abundant raw material multiplicity of porous charcoal, in recent years, with rich reserves, low in cost, environmentally friendly, reproducible biology
Matter is that the research of raw material preparation porous charcoal causes the extensive concern of whole world scholar.Document [J.Han, J.H.Lee et al.,
J.Electrochem.Sci.Technol.2018,9,157-162] it reports using agricultural wastes straw as raw material and passes through chemistry
The method that activation method prepares porous charcoal, gained porous charcoal specific surface area are up to 2327m2/ g, specific capacitance 127F/g.However, logical
Usually there is high rate performance difference in the biomass-based porous charcoal of overactivation method preparation, this is because porous made from activation method
The problems such as usually there is pore-size distribution unevenness in charcoal, mesoporous and macroporous structure is undeveloped.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of using bio oil preparation even aperture distribution and has excellent electrification
The method for learning the bio oil base multi-stage porous charcoal of performance.
Technical solution: the present invention provides a kind of method using bio oil preparation supercapacitor Carbon Materials, including as follows
Step:
(1) preparation of bio oil: taking dry biomass material to be placed in fixed bed, carries out heat under inert gas atmosphere
Solution, the gas of generation obtains bio oil after condensing, spare；
(2) it the preparation of bio oil and template agent composition: takes the bio oil of step (1) to be dissolved in ethanol solution, is given birth to
Object oil alcohol mixed solution, then template is added into mixed liquor, it is integrally put into magnetic agitation in oil bath pan, is taken after the completion of stirring
Out, it is cooled to room temperature, obtains the mixture of bio oil and template, it is spare；
(3) preparation of bio oil preparation supercapacitor Carbon Materials: taking the mixture of step (2) to be put into quartz boat, will
Quartz boat is placed in tube furnace, is passed through inert gas, constant temperature, then cooled to room temperature are kept after heating, obtains carbonizing production；
(4) carbonizing production is taken out, ground, pickling, suction filtration, deionized water are washed to neutral, dry.
Further, template and bio oil mass ratio are 1: 1~3: 1 in the step (2).
Further, the template of the step (2) is four acetate hydrate magnesium.
Further, the inert gas is nitrogen.
Further, the condition of the step (1) pyrolysis are as follows: temperature is 450 DEG C~650 DEG C, heating rate is 15 DEG C/
Min~50 DEG C/min, soaking time are 1h~2h, and inert gas flow velocity is 100mL/min~600mL/min.The step (1)
Condensing mode are as follows: use 0 DEG C of ice water condensation.Overwhelming majority pyrolysis condensible gas can be made to be condensed into bio oil, realize bio oil
Effectively collect.Different pyrolysis temperature, heating rate, inert gas flow velocity and soaking times is to influence bio-oil components and yield
Important factor in order, the present invention choose temperature range be 450 DEG C~650 DEG C, heating rate section be 15 DEG C/min~50 DEG C/
Min, soaking time section are 1h~2h, can make biological oil yield higher (about 40%~60%) and have preferably quality.
Further, the flow velocity that inert gas is passed through in the step (3) is 50mL/min~400mL/min.The step
Suddenly the heating rate of (3) is 5 DEG C/min~20 DEG C/min, is warming up to 800 DEG C~1000 DEG C.The step (3) keeps constant temperature 2h
~3h.Different temperature, heating rate, soaking time and inert gas flow velocities is to influence bio oil base porous charcoal pore structure ginseng
Several important factor in order, the present invention select above parameter range, and porous charcoal can be made to have excellent parameter of pore structure.
Further, the pickling of the step (4) uses HCl solution pickling.It can guarantee sufficiently removal MgO, to be formed
Pore structure abundant.
In above-mentioned technical proposal, bio oil is prepared into Carbon Materials in conjunction with template, compared to activation method, the present invention more holds
Easily realize the control accurate to multi-stage porous charcoal pattern, structure and pore-size distribution.Bio oil contains as the product of biomass pyrolytic
There are a large amount of aromatic compound and a cyclic compound, when heat treatment, the reaction such as polymerization, dehydrogenation deoxidation easily occurs for these ingredients
And carbon is generated, it is very suitable for the carbon source as template.
It uses four acetate hydrate magnesium for template, MgO, CO can be thermally decomposed to generate at 275 DEG C2And H2O discharges in situ
CO2And H2O is alternatively arranged as physically activated dose of collaborative template method and plays pore-creating effect.
The utility model has the advantages that the present invention can prepare the multi-stage porous charcoal of even aperture distribution, realize to porous charcoal pore structure, aperture
The control accurate of distribution has innovated bio oil higher value application mode, realizes biomass material to high-performance multi-stage porous charcoal
Efficient Conversion；As electrode material for super capacitor, bio oil base porous charcoal of the present invention shows excellent chemical property, with
6M KOH is electrolyte, and under 0.5A/g current density, the specific capacitance of bio oil base porous charcoal is up to 344F/g.It is close in high current
It spends under the conditions of 50A/g, specific capacitance is still up to 182F/g, it is shown that excellent high rate performance.
Detailed description of the invention
Fig. 1 is the N of bio oil base porous charcoal prepared by the embodiment of the present invention 1,2,32Adsorption and desorption isotherms figure；
Fig. 2 is the graph of pore diameter distribution of bio oil base porous charcoal prepared by the embodiment of the present invention 1,2,3；
Fig. 3 is bio oil base porous charcoal BHPC prepared by the embodiment of the present invention 22∶1Scanning electron microscope (SEM) photograph.
Specific embodiment
Embodiment 1
The bio oil of the present embodiment prepares supercapacitor Carbon Materials BHPC1∶1Preparation process it is as follows:
(1) it the preparation of bio oil: weighs the dry pine shaped granule of 300g and is placed in large-scale fixed bed, in N2It is hot under atmosphere
Pine is solved, the condensible gas of generation obtains bio oil after 0 DEG C of condensation water condensation, and mass yield is about 41.67%.Wherein,
Pyrolytical condition is as follows: heating rate is 16 DEG C/min, and pyrolysis temperature is 500 DEG C, soaking time 1h, N2Flow velocity is 400mL/
min。
(2) preparation of bio oil and template agent composition: bio oil obtained by 10g step (1) is weighed, it is molten to be dissolved in 20g ethyl alcohol
It in liquid, and weighs tetra- acetate hydrate magnesium template of 10g and is mixed with bio oil ethanol solution, magnetic force stirs in whole 105 DEG C of oil bath pans
It takes out, is cooled to room temperature after mixing 6h, obtain the mixture of bio oil and template.
(3) it the preparation of bio oil preparation supercapacitor Carbon Materials: weighs mixture obtained by 4g step (2) and is put into quartz boat
In, and quartz boat is placed in tube furnace, it is passed through 200mL/min nitrogen, is warming up to tube furnace with 10 DEG C/min heating rate
800 DEG C, cooled to room temperature after constant temperature 2h.Take out carbonizing production be placed in mortar be ground to it is powdered, with configured 2M
HCl solution is added to sample bottle together, and sample bottle is put into constant temperature oscillator constant temperature oscillation for 24 hours, after taking out mixed solution,
Filter, and carbon material be washed with deionized to neutrality, finally, be put into 105 DEG C of air dry ovens dry 12h can be obtained it is super
Grade capacitor bio oil base porous charcoal, is labeled as BHPC1∶1。
(4) bio oil base porous charcoal electrochemical property test: by porous charcoal BHPC1∶1It is pressed with polytetrafluoroethylene (PTFE), superconduction carbon black
The mixing of 80: 10: 10 mass ratioes, obtains super capacitor electrode slice after roll-in, slice, tabletting.In 6M KOH electrolyte, with three
Electrode system test b HPC1∶1The chemical property of electrode material.Under 0.5A/g current density, specific capacitance 217F/g,
Under 50A/g current density, specific capacitance 158F/g.
Embodiment 2
The bio oil of the present embodiment prepares supercapacitor Carbon Materials BHPC2∶1Specific preparation process it is as follows:
(1) preparation of bio oil: implement according to the same method of step (1) in embodiment 1.
(2) preparation of bio oil and template agent composition: implement according to the same method of step (2) in embodiment 1.
The difference is that four acetate hydrate magnesium template dosages are 20g, gained bio oil base porous charcoal is labeled as BHPC2∶1。
(3) preparation of bio oil preparation supercapacitor Carbon Materials: according to same square with the step (3) in embodiment 1
Method is implemented.
(4) bio oil base porous charcoal electrochemical property test: according to real with the same method of step (4) in embodiment 1
It applies.Gained BHPC2∶1Electrode material is in 6M KOH electrolyte, under 0.5A/g current density, specific capacitance 344F/g,
Under 50A/g current density, specific capacitance 168F/g.
Embodiment 3
The bio oil of the present embodiment prepares supercapacitor Carbon Materials BHPC3∶1Specific preparation process it is as follows:
(1) preparation of bio oil: implement according to the same method of step (1) in embodiment 1.
(2) preparation of bio oil and template agent composition: implement according to the same method of step (2) in embodiment 1.
The difference is that four acetate hydrate magnesium template dosages are 30g, gained bio oil base porous charcoal is labeled as BHPC3∶1。
(3) preparation of bio oil preparation supercapacitor Carbon Materials: according to same square with the step (3) in embodiment 1
Method is implemented.
(4) bio oil base porous charcoal electrochemical property test: according to real with the same method of step (4) in embodiment 1
It applies.Gained BHPC3∶1Electrode material is in 6M KOH electrolyte, under 0.5A/g current density, specific capacitance 207F/g,
Under 50A/g current density, specific capacitance 182F/g.
Table 1 is the parameter of pore structure of supercapacitor bio oil base porous charcoal
Embodiment 4
The preparation method of the bio oil preparation supercapacitor Carbon Materials of the present embodiment, the difference with embodiment 1 is biology
Matter raw material is using dry rice straw.
Embodiment 5
The preparation method of the bio oil preparation supercapacitor Carbon Materials of the present embodiment, the difference with embodiment 1 is biology
Matter raw material is using dry corncob.
Embodiment 6
The preparation method of the bio oil preparation supercapacitor Carbon Materials of the present embodiment, the difference with embodiment 1 are (1) heat
Solution condition is as follows: heating rate is 15 DEG C/min, and pyrolysis temperature is 450 DEG C, soaking time 1h, N2Flow velocity is 100mL/min；
(2) tetra- acetate hydrate magnesium template of 30g and 10g bio oil are weighed；(3) it is passed through the N that flow velocity is 50mL/min2, with 5 DEG C/min's
Tube furnace is warming up to 800 DEG C by heating rate, constant temperature 2h.
Embodiment 7
The preparation method of the bio oil preparation supercapacitor Carbon Materials of the present embodiment, the difference with embodiment 1 are (1) heat
Solution condition is as follows: heating rate is 50 DEG C/min, and pyrolysis temperature is 650 DEG C, soaking time 1h, N2Flow velocity is 600mL/min；
(2) tetra- acetate hydrate magnesium template of 30g and 10g bio oil are weighed；(3) it is passed through the N that flow velocity is 400mL/min2, with 20 DEG C/min
Heating rate tube furnace is warming up to 1000 DEG C, constant temperature 3h.
Claims (10)
1. a kind of method using bio oil preparation supercapacitor Carbon Materials, characterized by the following steps:
(1) preparation of bio oil: taking dry biomass material to be placed in fixed bed, be pyrolyzed under inert gas atmosphere,
The gas of generation obtains bio oil after condensing, spare；
(2) it the preparation of bio oil and template agent composition: takes the bio oil of step (1) to be dissolved in ethanol solution, obtains bio oil
Alcohol mixed solution, then template is added into mixed liquor, it is integrally put into magnetic agitation in oil bath pan, is taken out after the completion of stirring,
It is cooled to room temperature, obtains the mixture of bio oil and template, it is spare；
(3) preparation of bio oil preparation supercapacitor Carbon Materials: taking the mixture of step (2) to be put into quartz boat, will be quartzy
Boat is placed in tube furnace, is passed through inert gas, constant temperature, then cooled to room temperature are kept after heating, obtains carbonizing production；
(4) carbonizing production is taken out, ground, pickling, suction filtration, deionized water are washed to neutral, dry.
2. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
Template and bio oil mass ratio are 1: 1~3: 1 in step (2).
3. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
The template of step (2) is four acetate hydrate magnesium.
4. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
Inert gas is nitrogen.
5. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
The condition of step (1) pyrolysis are as follows: temperature is 450 DEG C~650 DEG C, and heating rate is 15 DEG C/min~50 DEG C/min, soaking time
For 1h~2h, inert gas flow velocity is 100mL/min~600mL/min.
6. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
Step (1) condensing mode are as follows: use 0 DEG C of ice water condensation.
7. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
The flow velocity that inert gas is passed through in step (3) is 50mL/min~400mL/min.
8. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
The heating rate of step (3) is 5 DEG C/min~20 DEG C/min, is warming up to 800 DEG C~1000 DEG C.
9. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: described
Step (3) keeps constant temperature 2h~3h.
10. the method according to claim 1 using bio oil preparation supercapacitor Carbon Materials, it is characterised in that: institute
The pickling for stating step (4) uses HCl solution pickling.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924825A (en) * | 2020-09-08 | 2020-11-13 | 中国石油化工股份有限公司 | Porous carbon material and method for preparing porous carbon material by using catalytic cracking diesel oil |
| CN112694088A (en) * | 2021-01-21 | 2021-04-23 | 东南大学 | Device and method for preparing hydrogen storage carbon material by adopting biomass pyrolysis gas |
| WO2022262154A1 (en) * | 2021-06-16 | 2022-12-22 | 东南大学 | Nitrogen-rich bio-oil-based porous carbon, and preparation method therefor and application thereof |
| CN116286053A (en) * | 2023-03-20 | 2023-06-23 | 上海市农业科学院 | Intelligent control system based on biochar preparation |
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| CN112694088B (en) * | 2021-01-21 | 2023-08-04 | 东南大学 | Device and method for preparing hydrogen storage carbon material by adopting biomass pyrolysis gas |
| WO2022262154A1 (en) * | 2021-06-16 | 2022-12-22 | 东南大学 | Nitrogen-rich bio-oil-based porous carbon, and preparation method therefor and application thereof |
| CN116286053A (en) * | 2023-03-20 | 2023-06-23 | 上海市农业科学院 | Intelligent control system based on biochar preparation |
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