CN110467182A - A kind of multi-stage porous carbon sill and its preparation method and application based on reaction template - Google Patents
A kind of multi-stage porous carbon sill and its preparation method and application based on reaction template Download PDFInfo
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- CN110467182A CN110467182A CN201910844778.3A CN201910844778A CN110467182A CN 110467182 A CN110467182 A CN 110467182A CN 201910844778 A CN201910844778 A CN 201910844778A CN 110467182 A CN110467182 A CN 110467182A
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- porous carbon
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- reaction template
- carbonate
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Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 62
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 16
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 239000002243 precursor Substances 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 28
- 239000003054 catalyst Substances 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 22
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 13
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 12
- 239000008103 glucose Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 229920001661 Chitosan Polymers 0.000 claims description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 4
- 239000001095 magnesium carbonate Substances 0.000 claims description 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 4
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 claims description 4
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical group [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 claims description 3
- RAQDACVRFCEPDA-UHFFFAOYSA-L ferrous carbonate Chemical compound [Fe+2].[O-]C([O-])=O RAQDACVRFCEPDA-UHFFFAOYSA-L 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- MKWYFZFMAMBPQK-UHFFFAOYSA-J sodium feredetate Chemical compound [Na+].[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O MKWYFZFMAMBPQK-UHFFFAOYSA-J 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 12
- 239000007772 electrode material Substances 0.000 abstract description 12
- 239000007790 solid phase Substances 0.000 abstract description 11
- 238000005087 graphitization Methods 0.000 abstract description 6
- 238000003763 carbonization Methods 0.000 abstract description 5
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 235000014653 Carica parviflora Nutrition 0.000 abstract description 3
- 241000243321 Cnidaria Species 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000001351 cycling effect Effects 0.000 abstract 1
- 230000002045 lasting effect Effects 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 45
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 36
- 229910000027 potassium carbonate Inorganic materials 0.000 description 18
- 239000012190 activator Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000001069 Raman spectroscopy Methods 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- XDIYNQZUNSSENW-UUBOPVPUSA-N (2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanal Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O XDIYNQZUNSSENW-UUBOPVPUSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000320 mechanical mixture Substances 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000005323 carbonate salts Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001548 drop coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium oxide Chemical class [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
-
- 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
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
-
- 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
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
-
- 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
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
-
- 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
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention belongs to porous carbon sill of sheet technical fields, and in particular to a kind of multi-stage porous carbon sill and its preparation method and application based on reaction template.The multi-stage porous carbon sill based on reaction template mainly contains C and O element, degree of graphitization with higher, coral reef shape pattern and three-dimensional open-framework, and pore-size distribution is in 0.5~4.1nm, 0.94~1.28cm of Kong Rongwei3g‑1, specific surface area is 900~2000m2g‑1;The multi-stage porous carbon sill is that subcarbonate, carbon matrix precursor and carbonate are obtained by carbonization under solid phase mixing-inert gas shielding-acid processing-drying.The present invention serves not only as symmetrical electrode material for super capacitor specific capacitance height, high rate performance height, good cycling stability; high-efficient and lasting charge and discharge in the alkaline electrolyte can be achieved, and the cost of raw material is cheap, preparation method is simple controllably, processing step is flexible, is easy to large-scale production.
Description
Technical field
The invention belongs to non-precious metal catalyst technical fields in electro-catalysis, and in particular to a kind of based on the more of reaction template
Grade hole carbon-based material and preparation method thereof.
Background technique
Supercapacitor, be otherwise known as electrochemical capacitor.This new energy storage device not only has than traditional capacitor
Higher energy density also has higher power density than battery, and comprehensive performance is between traditional electrolyte matter capacitor and electricity
Between pond.It is filled largely, faster since the unique energy storage mode of supercapacitor can such as be stored within a very short time and be discharged
Discharge rate and excellent cyclical stability will have very in terms of the intermittent pulses energy such as storage solar energy, wind energy
Big application prospect, gains great popularity in recent years.Nevertheless, but due to the disadvantages of its energy density is low, potential section is relatively narrow, surpass
Lithium battery can not be still substituted in the grade capacitor short time, supercapacitor and lithium battery are mainly complementary relationship at present.Thus
Further increase super capacitor performance, reduce cost by be still supercapacitor research Main way.Supercapacitor is main
It is made of electrode material, diaphragm and electrolyte, further to promote its performance, the research of electrode material is crucial.
Carbon material has both controllable aperture, bigger serface, excellent electric conductivity, good stability and cheap price
The features such as, make it that there is very big application potential in new energy fields such as electrochemical capacitance, batteries.The preparation method of porous carbon at present
It is broadly divided into two classes: template and activation method.General conventional template method such as uses silica material as sacrifice hard template
The problems such as that there are apertures is single for the carbon material of preparation, and micro content is low, carbon material purity is low, complex process, and preparation cost is high, and
For etching the acid or alkali of template, being not only hazardous to the human body also be can cause environmental pollution.And pass through common KOH activation method
The carbon material of preparation there are aperture sizes it is small, yield is low the problems such as, and KOH have strong corrosivity.These disadvantages make porous
The preparation of carbon material is very restricted, and is not easy large-scale production.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of multi-stage porous carbon substrate based on reaction template
Material, the multi-stage porous carbon sill electrode material not only have high degree of graphitization, but also have micro--mesoporous hierarchical porous structure again
With the specific surface area of superelevation.
It, should the second object of the present invention is to provide the preparation method of the multi-stage porous carbon sill based on reaction template
Preparation method is simple controllably, the cost of raw material is cheap, processing step is flexible, is easy to large-scale production.
The present invention is achieved through the following technical solutions:
A kind of multi-stage porous carbon sill based on reaction template, the multi-stage porous carbon sill based on reaction template are main
Containing C and O element, pore-size distribution is in 0.5~4.1nm, 0.94~1.28cm of Kong Rongwei3 g-1, specific surface area be 900~
2000m2 g-1;
The multi-stage porous carbon sill based on reaction template by carbon matrix precursor, subcarbonate and carbonate prepare and
, the mass ratio between the carbon matrix precursor, subcarbonate and carbonate is 2:0.5~4:0.5~4.Wherein basic carbonate
Salt and carbonate are respectively as reaction template and porous activator.
Preferably, the carbon matrix precursor be glucose, chitosan, methylcellulose, soluble starch, EDETATE SODIUM,
One or more of NaFeEDTA sodium and ferric oxalate composition.
Preferably, the subcarbonate is in basic zinc carbonate, basic magnesium carbonate, basic nickel carbonate or basic carbonate iron
One or more combination object.
Preferably, the carbonate is one or more of potassium carbonate, ammonium hydrogen carbonate or urea composition.
The preparation method of multi-stage porous carbon sill based on reaction template, includes the following steps:
1) carbon matrix precursor, subcarbonate, carbonate is taken to be filled by the hybrid mode of solid phase machinery according to the ratio
The mixing divided, obtains solid powder A;
2) by A obtained in step 1) under slumpability gas shield, 600~1000 are warming up to 5 ± 2 DEG C/min
DEG C keep 1~3h, then after cooled to room temperature grind uniformly, obtain catalyst precarsor B;If wherein heating rate is too slow
Time is too long to be also required to more consume, and will lead to that sample vapors away before carbonization or structure is inhomogenous if too fast, therefore
It is best using 5 ± 2 DEG C/min.The heat treatment process is carbonisation, and carbonization is carbon material in order to obtain, therefore carbonisation must
It must must be inert gas, if it is reactivity gas, then will react in the high temperature process, or even cannot get required
Sample.
3) catalyst precarsor B obtained in step 2) is first subjected to processing 1.0~for 24 hours with acidic aqueous solution, then into
Row filters, is dry, finally obtains the carbon-based material for eliminating template and impurity, the i.e. multi-stage porous carbon based on reaction template
Sill is labeled as HPC.
Preferably, in order to further improve pore structure, specific surface area and degree of graphitization.It will be obtained in step 3)
HPC, in 180~220mL min-1Under flowing gas protection, 700~900 DEG C are warming up to 5 DEG C/min and keeps 0.5~3h, so
Cooled to room temperature afterwards, the multi-stage porous carbon sill based on reaction template being further improved, this stage produce
Product are labeled as HPC-HT2 (but obtained material is still HPC), primarily to the HPC with 3 is compared, are conducive to research
The reason of leading to HPC structure.
Preferably, the carbon matrix precursor, subcarbonate, carbonate, which carry out adequately mixing, can be ultrasound in water
Dispersion passes through solid phase mechanical mixture.Dispersion and subsequent filtering, drying and other steps wherein are carried out due to not needing solvent, so
This hybrid mode of solid phase mechanical mixture is simpler, conveniently, it is economical.
Preferably, the slumpability gas is N in step 2)2Or He.
Preferably, being handled in step 3) with the aqueous solution of acid, acid is HCl, H in the acid processing2SO4Or HNO3It is molten
One or more of liquid composition;Specifically: catalyst precarsor B is added to the water-soluble of the acid that mass fraction is 5~20%
In liquid, 1.0 are stirred at 25~60 DEG C~for 24 hours, 3 times then are washed repeatedly with deionized water, are filtered, dry.Acid processing in acid into
The preferred HCl of one step, acid concentration with mass fraction be 5~20% acid aqueous solution it is best, further preferred mass fraction be 8~
The aqueous solution of 12% acid because concentration is too low to remove unclean impurity under same volume, volume needed for concentration is too big with regard to small,
Will lead to can not flood sample.
Preferably, the flowing gas is inert gas or active gases NH3;Wherein, using active gases NH3Purpose
It is that can carry out Heteroatom doping and further pore.
The present invention use subcarbonate (basic zinc carbonate, basic magnesium carbonate, basic nickel carbonate or basic carbonate iron) for
React hard template, it is therefore an objective to using its in the Zinc oxide particles decomposed at high temperature as hard template, in conjunction with activator carbon
Hydrochlorate (potassium carbonate, ammonium hydrogen carbonate or urea) and acid processing etching hard template step, cut out with bigger serface it is micro--
Mesoporous multi-stage porous carbon sill, with coral reef shape pattern and three-dimensional open-framework.The pore-size distribution that the present invention obtains is 0.5
0.94~1.28cm of~4.1nm, Kong Rongwei3 g-1, specific surface area is 900~2000m2 g-1The multi-stage porous based on reaction template
Carbon-based material is in coral reef shape pattern and three-dimensional open-framework (see figure l and Figure 11).Such micro/meso porous multi-stage porous, not only has
Conducive to increase electron adsorption and electron transfer rate is improved, and double layer capacitor performance can be promoted, to further increase
Performance of the supercapacitor.Select potassium carbonate replacement potassium hydroxide as activator or pore-foaming agent, it is therefore an objective to reduce reaction rate, mention
High-carbon material yield, while the toxicity and corrosivity that avoid potassium hydroxide are to human body and the harm of environment bring and pollution;Benefit
The degree of graphitization of carbon material can be further increased with secondary heat treatment and regulates and controls its hierarchical porous structure;To which collaboration has been provided
The electrode material for super capacitor of excellent properties.
Multi-stage porous carbon sill in the present invention based on reaction template, scanning electron microscope test the result shows that, the carbon
Material is porous spongy structure;It is 0.5~4.1nm that the analysis of isothermal nitrogen adsorption desorption, which measures its pore-size distribution, and specific surface area is
900~2000m2 g-1.A kind of above-mentioned multi-stage porous carbon sill based on reaction template is assembled into super electricity as electrode material
Symmetrical two electrode system of container, test result show that when current density be 1A g-1When, specific capacitance value is 241F g-1, electric current is close
Degree increases to 10A g-1When, specific capacitance value is 218F g-1, show good high rate performance;In constant current charge-discharge test condition
Under, after circulation 10000 times, it is still able to maintain 98% or more of initial current density, shows there is good stable charge/discharge.
Compared with the prior art, the present invention has the following beneficial effects:
1) preparation process uses cheap and environmental-friendly various original materials;
2) preparation process is hard template using subcarbonate and combines acid processing, can effectively be created micro--mesoporous
The hierarchical porous structure specific surface area big with acquisition, so as to increase available electron adsorption area and improve electron-transport speed
Rate;
3) under alkaline condition and symmetrical two electrode test, which shows good high rate performance
(90.5%) and stable charge/discharge (still keeping 98% or more after 10000 times);
4) the multi-stage porous carbon sill usage range is wide, and can be used as electrode material for super capacitor also will can serve as fuel electricity
The cathodic oxygen reduction catalyst in pond.
Low raw-material cost needed for preparation process of the invention, safety and environmental protection, preparation process are simple, operation is controllable, yield
Height is easy to large-scale production.Multi-stage porous carbon sill obtained based on reaction template has orderly classification and bigger serface,
Solves the problems, such as to be currently applied to carbon material urgent need to resolve in supercapacitor.
Detailed description of the invention
Fig. 1 is the SEM photograph of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC).
Fig. 2 is the N of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC)2Suction/desorption isotherm.
Fig. 3 is the pore-size distribution of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC).
Fig. 4 is the wide-angle XRD spectra of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC).
Fig. 5 is the Raman spectrogram of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC).
Fig. 6 is that the XPS of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC) are composed entirely.
Fig. 7 is the cyclic voltammetry curve (room of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC) in 6M KOH
Temperature sweeps fast 10mV s-1)。
Fig. 8 is the constant current charge-discharge curve of HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC) in 6M KOH
(room temperature, 1A g-1)。
Fig. 9 is HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC) putting in 6M KOH, under difference current density
Capacitor.
Figure 10 be HPC (G-BZC-PC), HPC (G-PC) and HPC (G-BZC) in 6M KOH cyclical stability (room temperature,
5A g-1, 10000 times).
Figure 11 is the TEM photo of HPC (G-BZC-PC).
Specific embodiment
The present invention is described in further detail With reference to embodiment, to help those skilled in the art's reason
The solution present invention.
Embodiment 1
1) 2g glucose, 1g basic zinc carbonate are first taken, 1g potassium carbonate is added in agate mortar that carry out sufficient solid phase mixed
It closes, obtains solid powder A;
2) by A obtained in step 1) in 200mL min-1Under slumpability gas shield, it is warming up to 5 DEG C/min
750 DEG C of holding 1.5h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 20h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC.
Embodiment 2
1) it first takes 1g EDETATE SODIUM, 1g basic magnesium carbonate, 1g potassium carbonate to be added in agate mortar and carries out sufficient solid phase
Mixing, obtains solid powder A;
2) by A obtained in step 1) in 180mL min-1Under slumpability gas shield, it is warming up to 7 DEG C/min
800 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 12h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC;
Embodiment 3
1) it first takes 2g chitosan, 0.5g basic nickel carbonate, 2g potassium carbonate to be added in agate mortar and carries out sufficient solid phase
Mixing, obtains solid powder A;
2) by A obtained in step 1) in 250mL min-1Under slumpability gas shield, it is warming up to 4 DEG C/min
1000 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 5h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC;
4) by HPC obtained in step 3), in 180mL min-1Flowing activity gas NH3Under protection, with 5 DEG C/min liter
Temperature is to 900 DEG C and keeps 0.5h, then cooled to room temperature, and what is be further improved is described based on the more of reaction template
Grade hole carbon-based material, this work-in-process are labeled as HPC-HT2.
Embodiment 4
1) 2g glucose, 1g basic zinc carbonate are first taken, 1g potassium carbonate is added in agate mortar that carry out sufficient solid phase mixed
It closes, obtains solid powder A;
2) by A obtained in step 1) in 200mL min-1Under slumpability gas shield, it is warming up to 5 DEG C/min
800 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 12h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC;
4) by HPC obtained in step 3), in 200mL min-1Under flowing gas protection, 800 are warming up to 6 DEG C/min
DEG C and keep 2h, then cooled to room temperature, the multi-stage porous based on reaction template being further improved are carbon-based
Material, this work-in-process are labeled as HPC-HT2.
Embodiment 5
1) 2g glucose, 1g basic zinc carbonate are first taken, 1g potassium carbonate is added in agate mortar that carry out sufficient solid phase mixed
It closes, obtains solid powder A;
2) by A obtained in step 1) in 200mL min-1Under slumpability gas shield, it is warming up to 5 DEG C/min
800 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 12h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC (G-BZC-PC), i.e., described one kind is based on
The multi-stage porous carbon sill of reaction template, wherein G-BZC-PC is glucose (glucose), basic zinc carbonate (basic zinc
) and the english abbreviation of potassium carbonate (potassium carbonate) carbonate.
Embodiment 6
A kind of multi-stage porous carbon sill based on reaction template, is prepared by following methods:
Experimental procedure is same as Example 5, difference be in experimental procedure 3) after increase primary heat treatment, specifically:
In 200mL min-1Under slumpability gas shield, 800 DEG C are warming up to 5 DEG C/min and keeps 1h, then naturally cools to room
Temperature, this work-in-process are labeled as HPC-HT2 (G-BZC-PC), i.e. a kind of multi-stage porous carbon substrate based on reaction template
Material.
Embodiment 7
A kind of multi-stage porous carbon sill based on reaction template, is prepared by following methods:
Experimental procedure is same as Example 5, and difference is in experimental procedure 1) in glucose is changed to chitosan, this stage
Product labelling is HPC (C-BZC-PC), i.e. a kind of multi-stage porous carbon sill based on reaction template.
Embodiment 8
A kind of multi-stage porous carbon sill based on reaction template, is prepared by following methods:
Experimental procedure is same as Example 5, and difference is in experimental procedure 1) in glucose is changed to ferric oxalate, this stage
Product labelling is HPC (FO-BZC-PC), i.e. a kind of multi-stage porous carbon sill based on reaction template.
In the embodiment of the present invention, unless otherwise instructed, used characterization and electro-chemical test means are this field
Conventional technology.
Above-described embodiment, only presently preferred embodiments of the present invention, is not intended to limit the invention practical range, therefore all with this
The equivalent change or modification that feature described in invention claim and principle are done should all be included in scope of the invention as claimed
Within.
Comparative example 1
1) 2g glucose, 1g potassium carbonate are first taken, is added in agate mortar and carries out sufficient solid phase mixing, obtains solid powder
Last A;
2) A obtained in step 1) is warming up under 200mL min-1 slumpability gas shield with 5 DEG C/min
800 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 12h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating impurity, being labeled as HPC (G-PC), wherein G-PC is glucose (glucose)
With the english abbreviation of potassium carbonate (potassium carbonate).
This preparation process does not use basic zinc carbonate as reaction template, will be used as reference electrode material, and make with following
Use basic zinc carbonate as hard template, while the electrode material for having used potassium carbonate to prepare is compared.
Comparative example 2
1) 2g glucose, 1g basic zinc carbonate are first taken, is added in agate mortar and carries out sufficient solid phase mixing, consolidate
Body powders A;
2) by A obtained in step 1) in 200mL min-1Under slumpability gas shield, it is warming up to 5 DEG C/min
800 DEG C of holding 1h then grind uniformly after cooled to room temperature, obtain catalyst precarsor B;
3) aqueous solution of catalyst precarsor B acid obtained in step 2) is subjected to processing 12h in room temperature, finishes progress
It filters, is dry, obtaining the carbon-based material for eliminating template and impurity, being labeled as HPC (G-BZC), wherein G-BZC is glucose
(glucose) and the english abbreviation of basic zinc carbonate (basic zinc carbonate).
This preparation process has used basic zinc carbonate as reaction template, but potassium carbonate is not used to make activator, will
The electrode for as reference electrode material, having used basic zinc carbonate as hard template with following, while potassium carbonate having been used to prepare
Material is compared.
Performance test:
HPC (G-PC), the HPC (G-BZC) that the HPC (G-BZC-PC) and comparative example 1,2 that will implement 5 synthesis are synthesized
SEM (scanning electron microscope), N2Suction/desorption isotherm and pore-size distribution, XRD, Raman and XPS analysis are respectively such as Fig. 1,2,3,4,5
Shown in 6.
A kind of multi-stage porous carbon sill based on reaction template that weighs prepared by 3mg comparative example 1,2 and embodiment 5 and right
Product in the same old way are mixed with carbon black, PTFE in the ratio of 8:1:1 in ethanol, after mixing drop coating with acetone, deionized water,
It on the dried foam nickel electrode that ethyl alcohol cleaned, is dried in vacuum overnight, then laminates in 10Mpa pushing, then assemble
It is tested in 6M KOH at symmetrical two electrode system of supercapacitor.
HPC (G-PC), HPC (G-BZC) and the HPC (G-BZC-PC) that comparative example 1,2 and embodiment 5 synthesize are in 6M KOH
Cyclic voltammetry curve, constant current charge-discharge curve, the discharge capacity under different current density and cyclical stability respectively as schemed
7, shown in 8,9 and 10.
The structural property parameter of multi-stage porous carbon sill of the table 1 based on reaction template
Specific capacitance of the table 2 based on the multi-stage porous carbon sill of reaction template in 6M KOH
HPC (G-PC), HPC (G-BZC) and the HPC (G-BZC-PC) that comparative example 1,2 and embodiment 5 synthesize are in 6M KOH
Cyclic voltammetry curve, constant current charge-discharge curve, the discharge capacity curve under different current density and cyclical stability difference
As shown in Fig. 7,8,9,10 and table 3.
Fig. 1,2,3 show HPC (G-PC), HPC (G-BZC) and the HPC (G-BZC- that comparative example 1,2 and embodiment 5 synthesize
PC SEM, N)2Adsorption desorption curve and pore-size distribution are shown in conjunction with texture parameter in table 1 only with basic zinc carbonate for reaction
Template is added without activator potassium hydroxide and can create the meso-hole structure of certain ordered degree, and activator hydroxide is used only
The carbon-based material that potassium obtains mainly has big specific surface area simultaneously based on micropore, uses basic zinc carbonate for reaction when simultaneously
Template, potassium hydroxide be activator when, can obtain it is a kind of based on reaction template micro--Jie's multi-stage porous (average pore size~
0.55nm), high-specific surface area (1946m2 g-1) and Kong Rong (1.28cm3 g-1) spongy carbon-based material.Fig. 4,5 and 6 are shown
The wide-angle XRD spectra of HPC (G-PC), HPC (G-BZC) and HPC (G-BZC-PC) that comparative example 1,2 and embodiment 5 synthesize,
Raman spectrogram and XPS are composed entirely, it can be seen that these carbon-based materials degree of graphitization with higher only contains C and O element, says
Reaction template basic zinc carbonate, activator potassium carbonate and oxide that they are generated during heat treatment is illustrated to be easy to lead to
Peracid treatment all removes.In conjunction with the data of Fig. 1,2,3 and table 1, as a result demonstrates and use subcarbonate same for reaction template
When by carbonate be activator, degree of graphitization with higher, micro--Jie's hierarchical porous structure, big Kong Rong can be cut out
With the pure carbon-based material of specific surface area.
Fig. 7,8,9,10 and table 2 show HPC (G-PC), the HPC (G-BZC) that comparative example 1,2 and embodiment 5 synthesize and
Chemical property of 3 samples of HPC (G-BZC-PC) in 6M KOH, as the result is shown they have good Electric double-layer capacitor,
The HPC (G-BZC-PC) of high rate performance, especially embodiment 6 synthesis, specific capacitance, high rate performance and stable circulation performance are high respectively
Up to 241.2F g-1(1A g-1), 90.5% (from 1A g-1To 10A g-1) and 98% or more (10000 circulations), disclose difference
Using glucose, basic zinc carbonate and potassium carbonate as carbon matrix precursor, reaction template and activator, the HPC (G-BZC-PC) of acquisition has
Micro--Jie's multi-stage porous for having, high specific surface area are conducive to increase the usable area of electron adsorption and improve electron transfer rate, from
And promote the specific capacitance of electrode material;The HPC (G-PC) and HPC (G-BZC), HPC synthesized additionally by comparison comparative example 1,2
(G-BZC-PC) there is higher specific capacitance, high rate performance and cyclical stability, therefore under the preparation condition of optimization, have very much
Superior electrode material for super capacitor has been provided in potentiality collaboration.
Claims (10)
1. a kind of multi-stage porous carbon sill based on reaction template, which is characterized in that the multi-stage porous carbon based on reaction template
Sill mainly contains C and O element, and pore-size distribution is in 0.5~4.1nm, 0.94~1.28cm of Kong Rongwei3g-1, specific surface area is
900~2000m2g-1;The multi-stage porous carbon sill based on reaction template is by carbon matrix precursor, subcarbonate and carbonate system
Standby and obtain, the mass ratio between the carbon matrix precursor, subcarbonate and carbonate is 2:0.5~4:0.5~4.
2. the multi-stage porous carbon sill based on reaction template as described in claim 1, which is characterized in that the carbon matrix precursor is
One or more of glucose, chitosan, methylcellulose, soluble starch, EDETATE SODIUM, NaFeEDTA sodium and ferric oxalate group
Close object.
3. the multi-stage porous carbon sill based on reaction template as described in claim 1, which is characterized in that the subcarbonate
For one or more of basic zinc carbonate, basic magnesium carbonate, basic nickel carbonate or basic carbonate iron composition.
4. the multi-stage porous carbon sill based on reaction template as described in claim 1, which is characterized in that the carbonate is carbon
One or more of sour potassium, ammonium hydrogen carbonate or urea composition.
5. the preparation method of the multi-stage porous carbon sill based on reaction template as described in any one of claim 1-4,
It is characterized in that, includes the following steps:
1) it takes the carbon matrix precursor, subcarbonate, carbonate adequately to be mixed according to the ratio, obtains solid powder A;
2) by A obtained in step 1) under slumpability gas shield, 600~1000 DEG C of guarantors are warming up to 5 ± 2 DEG C/min
1~3h is held, is then ground uniformly after cooled to room temperature, obtains catalyst precarsor B;
3) catalyst precarsor B obtained in step 2) is first subjected to processing 1.0~for 24 hours with acidic aqueous solution, is then taken out
Filter, drying finally obtain the carbon-based material for eliminating template and impurity, i.e. the multi-stage porous carbon substrate based on reaction template
Material is labeled as HPC.
6. the preparation method of the multi-stage porous carbon sill based on reaction template as claimed in claim 5, which is characterized in that will walk
It is rapid 3) in obtained HPC, in 180~220mL min-1Under flowing gas protection, 700~900 are warming up to 5 ± 2 DEG C/min
DEG C and keep 0.5~3h, then cooled to room temperature, the multi-stage porous based on reaction template being further improved
Carbon-based material, this work-in-process are labeled as HPC-HT2.
7. the preparation method of the multi-stage porous carbon sill based on reaction template as claimed in claim 5, which is characterized in that step
2) in, the slumpability gas is N2Or He.
8. the preparation method of the multi-stage porous carbon sill based on reaction template as claimed in claim 5, which is characterized in that step
3) it in, is handled with the aqueous solution of acid, acid is HCl, H in the acid processing2SO4Or HNO3One or more of solution group
Close object;Specifically: catalyst precarsor B is added in the aqueous solution of acid that mass fraction is 5~20%, is stirred at 25~60 DEG C
1.0~for 24 hours, it then washed repeatedly 3 times, filtered, dry with deionized water.
9. the preparation method of the multi-stage porous carbon sill based on reaction template as claimed in claim 6, which is characterized in that described
Flowing gas is inert gas or active gases NH3。
10. the multi-stage porous carbon sill based on reaction template as described in any one of claim 1-4, which is characterized in that
The multi-stage porous carbon sill based on reaction template is applied in supercapacitor.
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