CN109192548A - A kind of supercapacitor - Google Patents
A kind of supercapacitor Download PDFInfo
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- CN109192548A CN109192548A CN201811320625.0A CN201811320625A CN109192548A CN 109192548 A CN109192548 A CN 109192548A CN 201811320625 A CN201811320625 A CN 201811320625A CN 109192548 A CN109192548 A CN 109192548A
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- 238000002360 preparation method Methods 0.000 claims abstract description 27
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 26
- 239000002904 solvent Substances 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 229920000123 polythiophene Polymers 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims description 33
- BDJRBEYXGGNYIS-UHFFFAOYSA-N azelaic acid group Chemical group C(CCCCCCCC(=O)O)(=O)O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 13
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical group BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 claims description 13
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical group O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 claims description 11
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 8
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 8
- 239000001630 malic acid Substances 0.000 claims description 8
- 235000011090 malic acid Nutrition 0.000 claims description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- QAIPRVGONGVQAS-DUXPYHPUSA-N trans-caffeic acid Chemical compound OC(=O)\C=C\C1=CC=C(O)C(O)=C1 QAIPRVGONGVQAS-DUXPYHPUSA-N 0.000 claims description 4
- ACEAELOMUCBPJP-UHFFFAOYSA-N (E)-3,4,5-trihydroxycinnamic acid Natural products OC(=O)C=CC1=CC(O)=C(O)C(O)=C1 ACEAELOMUCBPJP-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 229940074360 caffeic acid Drugs 0.000 claims description 2
- 235000004883 caffeic acid Nutrition 0.000 claims description 2
- QAIPRVGONGVQAS-UHFFFAOYSA-N cis-caffeic acid Natural products OC(=O)C=CC1=CC=C(O)C(O)=C1 QAIPRVGONGVQAS-UHFFFAOYSA-N 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 2
- 229960004889 salicylic acid Drugs 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- XINCECQTMHSORG-UHFFFAOYSA-N Isoamyl isovalerate Chemical compound CC(C)CCOC(=O)CC(C)C XINCECQTMHSORG-UHFFFAOYSA-N 0.000 claims 1
- 235000015165 citric acid Nutrition 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 7
- 239000007772 electrode material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000008151 electrolyte solution Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 16
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- AMWVZPDSWLOFKA-UHFFFAOYSA-N phosphanylidynemolybdenum Chemical compound [Mo]#P AMWVZPDSWLOFKA-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000010410 reperfusion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000002710 Ilex cornuta Nutrition 0.000 description 1
- 241001310146 Ilex cornuta Species 0.000 description 1
- 235000010326 Osmanthus heterophyllus Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 125000000950 dibromo group Chemical group Br* 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/48—Conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention relates to capacitance technology fields, more particularly to a kind of supercapacitor and preparation method thereof, the electrode material of the supercapacitor include following raw material: 5 ~ 8 parts of aqueous epoxy resins, 4 ~ 7 parts of graphene, 8 ~ 14 parts of graphite, 2 ~ 5 parts of polythiophene, 8 ~ 12 parts of deionized water；The electrolytic solution for super capacitor includes following raw material: 55 ~ 85 parts of solvent, 8 ~ 28 parts of solute, 4 ~ 12 parts of the first auxiliary agent, 1 ~ 4 part of the second auxiliary agent, 0.5 ~ 3.5 part of third auxiliary agent；Supercapacitor of the present invention can effectively improve the chemical property of supercapacitor, including energy density, specific capacitance, cycle-index, power density and to widen use temperature range wide.
Description
Technical field
The present invention relates to capacitance technology fields more particularly to a kind of supercapacitor and preparation method thereof.
Background technique
Supercapacitor is the interfacial bilayer by being formed between electrode and electrolyte come the new component of storage energy.
When electrode and when electrolyte contacts, due to the effect of Coulomb force, molecular separating force and interatomic force, make solid liquid interface occur stablizing and
The opposite double-deck charge of symbol, is called interfacial bilayer.It is non-electric double layer super capacitor to be regarded as two hanged in the electrolyte
Active porous plate, on voltage-drop loading to two plates.The anion being added in the potential attraction electrolyte on positive plate, negative plate are inhaled
Draw cation, to form a double layer capacitor on the surface of two electrodes.Double layer capacitor is according to electrode material
It is super can be divided into carbon electrode Double-layer supercapacitors, metal oxide electrode supercapacitor and organic polymer electrodes for difference
Grade capacitor.
Supercapacitor refers to a kind of novel energy storage apparatus between traditional capacitor and rechargeable battery, it both had
The characteristic of capacitor fast charging and discharging, while again with the energy storage characteristic of battery；The advantages of supercapacitor be power density it is high,
Use temperature range is wide, the disadvantage is that self-discharge performance is poor, energy density is low.Compared with traditional capacitor, it has supercapacitor
There are biggish specific capacitance, wider operating temperature range and extremely long service life.Traditional capacitor with microfarad nominal capacitance,
Supercapacitor static capacity can reach 100,000 farads or more；And compared with battery, it has higher power density and more again
Good cycle life, and no pollution to the environment.Since the working principle of electric double layer type supercapacitor is electrolysed by electrode adsorption
Liquid ion carrys out energy storage, therefore energy density is lower.Therefore supercapacitor how to be made to there is power density height, using temperature model
While enclosing the characteristics such as width, the characteristics of having both high-energy density, become the technical issues that need to address.In view of this, special propose
The present invention.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of high-energy density, high specific capacitance and high circulation number
Supercapacitor.
Present invention supercapacitor to be provided and preparation method thereof, is achieved by following technical solution:
A kind of supercapacitor specifically includes the following steps obtained: (1) preparation of electrode；(2) preparation of electrolyte；(3) super
The assembling of capacitor.
As a preferred embodiment, the preparation of electrode described in step (1), specifically includes the following steps: by water-base epoxy
5 ~ 8 parts of resin, 4 ~ 7 parts of graphene, 8 ~ 14 parts of graphite, 2 ~ 5 parts of polythiophene, 8 ~ 12 parts of deionized water carry out mixing grinding, do
Dry, solidification, is made the electrode.
As a preferred embodiment, the preparation of electrode described in step (1), specifically includes the following steps: by water-base epoxy
6 ~ 7 parts of resin, 5 ~ 6 parts of graphene, 10 ~ 12 parts of graphite, 3 ~ 4 parts of polythiophene, 9 ~ 11 parts of deionized water carry out mixing grinding, do
Dry, solidification, is made the electrode.
As a kind of optimal case, the preparation of electrode described in step (1) is specifically included the following steps: by water-base epoxy
6.5 parts of resin, 5.5 parts of graphene, 11 parts of graphite, 3.5 parts of polythiophene, 10 parts of deionized water carry out mixing grinding, dry, solid
Change, the electrode is made.
As a preferred embodiment, the process of lapping of electrode preparation carries out at 60 ~ 85 DEG C, and milling time is 13 ~
15 hours.
As a preferred embodiment, the electrolyte specifically includes following raw material: 55 ~ 85 parts of solvent, solute
8 ~ 28 parts, 4 ~ 12 parts of the first auxiliary agent, 1 ~ 4 part of the second auxiliary agent, 0.5 ~ 3.5 part of third auxiliary agent.
As a preferred embodiment, the electrolyte specifically includes following raw material: 65 ~ 75 parts of solvent, solute
13 ~ 23 parts, 6 ~ 10 parts of the first auxiliary agent, 2 ~ 3 parts of the second auxiliary agent, 1 ~ 3 part of third auxiliary agent.
As a kind of optimal case, the electrolyte specifically includes following raw material: 70 parts of solvent, solute 18
Part, 8 parts of the first auxiliary agent, 2.5 parts of the second auxiliary agent, 2 parts of third auxiliary agent.
As a preferred embodiment, the electrolyte is to be helped at 45 ~ 60 DEG C by solvent, solute, the first auxiliary agent, second
Agent and third auxiliary agent, which are sufficiently mixed, uniformly to be formed.
As a preferred embodiment, the solvent is that n-butanol is mixed with iso-amyl iso-valeriate 1.5 ~ 3:1 in mass ratio
It forms.
As a preferred embodiment, the solute includes below one or more: tartaric acid, oxalic acid, malic acid, Chinese holly
Rafter acid, salicylic acid, caffeic acid and its ammonium salt.
As a preferred embodiment, first auxiliary agent is phosphomolybdic acid.
As a preferred embodiment, second auxiliary agent is azelaic acid hydrogen ammonium.
As a preferred embodiment, the third auxiliary agent is methylene bromide.
As a preferred embodiment, the assembling of the supercapacitor specifically includes the following steps: by two electrodes with every
Film separates, Reperfu- sion electrolyte, and the supercapacitor is made.
As a preferred embodiment, the diaphragm is polypropylene film.
The utility model has the advantages that supercapacitor of the present invention, electrode and electrolyte are all by different component content
The rational proportion of raw material, then be made up of Rational Controlling Parameters, thus electrode and electrolyte obtained by method are to this
Invention supercapacitor complements each other on chemical property, can effectively improve the chemical property of supercapacitor, including energy
Metric density, specific capacitance, cycle-index, power density and to widen use temperature range wide etc..
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of supercapacitor of embodiment 1
(1) preparation of electrode:
Composition of raw materials: 6.5 parts of aqueous epoxy resins, 5.5 parts of graphene, 11 parts of graphite, 3.5 parts of polythiophene, 10 parts of deionized water；
The preparation method of the electrode comprises the following steps: by aqueous epoxy resins, graphene, graphite, polythiophene, deionization
Water carries out mixing at 75 DEG C and grinds 14 hours, and dry, solidification obtains the electrode；
(2) preparation of electrolyte
Composition of raw materials: 70 parts of solvent, 18 parts of malic acid, 8 parts of phosphomolybdic acid, 2.5 parts of azelaic acid hydrogen ammonium, 2 parts of methylene bromide；
The solvent is that n-butanol is mixed with iso-amyl iso-valeriate 2.5:1 in mass ratio；
The preparation of the electrolyte comprises the following steps: by solvent, malic acid, phosphomolybdic acid, azelaic acid hydrogen ammonium, dibromo at 58 DEG C
Methane, which is sufficiently mixed, uniformly to be formed；
(3) assembling of supercapacitor
The method of the assembling of the supercapacitor are as follows: two electrodes are separated, Reperfu- sion electrolyte with polypropylene film, be made
The supercapacitor.
A kind of supercapacitor of embodiment 2
(1) preparation of electrode:
Composition of raw materials: 5 parts of aqueous epoxy resins, 4 parts of graphene, 8 parts of graphite, 2 parts of polythiophene, 8 parts of deionized water；
The preparation method of the electrode is same as Example 1；
(2) preparation of electrolyte
Composition of raw materials: 55 parts of solvent, 8 parts of malic acid, 4 parts of phosphomolybdic acid, 1 part of azelaic acid hydrogen ammonium, 0.5 part of methylene bromide；
The solvent is that n-butanol is mixed with iso-amyl iso-valeriate 2.5:1 in mass ratio；
Preparing for the electrolyte is same as Example 1；
(3) assembling of supercapacitor
The assemble method of the supercapacitor is same as Example 1.
A kind of supercapacitor of embodiment 3
(1) preparation of electrode:
Composition of raw materials: 8 parts of aqueous epoxy resins, 7 parts of graphene, 14 parts of graphite, 5 parts of polythiophene, 12 parts of deionized water；
The preparation method of the electrode is same as Example 1；
(2) preparation of electrolyte
Composition of raw materials: 85 parts of solvent, 28 parts of malic acid, 12 parts of phosphomolybdic acid, 4 parts of azelaic acid hydrogen ammonium, 3.5 parts of methylene bromide；
The solvent is that n-butanol is mixed with iso-amyl iso-valeriate 2.5:1 in mass ratio；
Preparing for the electrolyte is same as Example 1；
(3) assembling of supercapacitor
The assemble method of the supercapacitor is same as Example 1.
A kind of supercapacitor of embodiment 4
Embodiment 4 is the difference from embodiment 1 is that the solvent is that n-butanol and iso-amyl iso-valeriate 1.5:1 in mass ratio are mixed
It closes；Remaining component and content, the preparation method of capacitor etc. are same as Example 1.
A kind of supercapacitor of embodiment 5
Embodiment 5 is the difference from embodiment 1 is that the solvent is that n-butanol is mixed with iso-amyl iso-valeriate 3:1 in mass ratio
It forms；Remaining component and content, the preparation method of capacitor etc. are same as Example 1.
A kind of supercapacitor of embodiment 6
Embodiment 6 the difference from embodiment 1 is that, the process of lapping of electrode preparation carries out at 60 DEG C, and milling time is
13 hours；The electrolyte is to be sufficiently mixed at 45 DEG C by solvent, malic acid, phosphomolybdic acid, azelaic acid hydrogen ammonium, methylene bromide
Uniformly form；Remaining method and step are same as Example 1.
A kind of supercapacitor of embodiment 7
Embodiment 7 the difference from embodiment 1 is that, the process of lapping of electrode preparation carries out at 85 DEG C, and milling time is
15 hours；The electrolyte is to be sufficiently mixed at 60 DEG C by solvent, malic acid, phosphomolybdic acid, azelaic acid hydrogen ammonium, methylene bromide
Uniformly form；Remaining method and step are same as Example 1.
Comparative example 1
Comparative example 1 the difference from embodiment 1 is that, it is in electrolyte to add 4.5 parts by weight phosphomolybdic acids more, do not add azelaic acid hydrogen
Ammonium and methylene bromide, remaining component and content are same as Example 1.
Comparative example 2
Comparative example 2 the difference from embodiment 1 is that, it is in electrolyte to add 10 parts by weight azelaic acid hydrogen ammoniums more, do not add phosphorus molybdenum
Acid and methylene bromide, remaining component and content are same as Example 1.
Comparative example 3
Comparative example 3 the difference from embodiment 1 is that, it is in electrolyte to add 10.5 parts by weight methylene bromides more, do not add phosphorus molybdenum
Acid and azelaic acid hydrogen ammonium, remaining component and content are same as Example 1.
Comparative example 4
Comparative example 4 the difference from embodiment 1 is that, 4 parts by weight azelaic acid hydrogen ammoniums of more addition and 4 parts by weight two in electrolyte
Bromomethane does not add phosphomolybdic acid, remaining component and content are same as Example 1.
Comparative example 5
Comparative example 5 the difference from embodiment 1 is that, 1.25 parts by weight phosphomolybdic acids of more addition and 1.25 parts by weight in electrolyte
Methylene bromide, does not add azelaic acid hydrogen ammonium, remaining component and content are same as Example 1.
Comparative example 6
Comparative example 6 the difference from embodiment 1 is that, 1 parts by weight phosphomolybdic acid of more addition and 1 parts by weight azelaic acid in electrolyte
Hydrogen ammonium, does not add methylene bromide, remaining component and content are same as Example 1.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Test case:
Conventional chemical property is carried out to the resulting supercapacitor of embodiment 1 ~ 7 and the resulting capacitor of comparative example 1 ~ 6 to survey
Examination, including specific capacitance, energy density and cycle-index concrete outcome are as shown in table 1.
1 capacitor Electrochemical results of table
By upper 1 data of table it is found that embodiment 1 is best-of-breed technology scheme, the specific capacitance of resulting supercapacitor, power density,
The chemical properties such as energy density and cycle-index are best；It is compared by embodiment 1 and embodiment 2 ~ 3 it is found that if electrode material
The constituent content of material and electrolyte is different from embodiment 1, will reduce the specific capacitance, energy density and cycle-index of supercapacitor
Equal electrochemistries；It will lead to super from embodiment 4 ~ 5 as it can be seen that if the composition and ratio of electrolyte is different with embodiment 1 by embodiment 1
The chemical properties decline such as specific capacitance, power density, energy density and cycle-index of grade capacitor；By embodiment 1 and implement
Example 6 ~ 7 can obtain, if the operating parameter for preparing capacitor process is different from embodiment 1, also by the specific capacitance to supercapacitor, function
The electrochemistries such as rate density, energy density and cycle-index adversely affect；Embodiment 1 and comparative example 1 ~ 3, comparative example 4 ~ 6
It can be seen that, if one or both of 8 parts of phosphomolybdic acid, 2.5 parts of azelaic acid hydrogen ammonium, methylene bromide in electrolyte, capacitor produced
Specific capacitance, power density, energy density and cycle-index it is poorer than embodiment 1, wherein the chemical property of comparative example 1 ~ 3 is more
Difference.
Claims (10)
1. a kind of supercapacitor, which is characterized in that the supercapacitor specifically includes the following steps obtained: (1) electrode
Preparation；(2) preparation of electrolyte；(3) assembling of supercapacitor.
2. supercapacitor according to claim 1, which is characterized in that the preparation of electrode described in step (1), it is specific to wrap
Containing following steps: by 5 ~ 8 parts of aqueous epoxy resins, 4 ~ 7 parts of graphene, 8 ~ 14 parts of graphite, 2 ~ 5 parts of polythiophene, deionized water 8 ~
12 parts, mixing grinding is carried out, the electrode is made in dry, solidification.
3. supercapacitor according to claim 2, which is characterized in that the process of lapping of the electrode preparation is 60 ~ 85
It is carried out at DEG C, milling time is 13 ~ 15 hours.
4. supercapacitor according to claim 1, which is characterized in that the electrolyte specifically includes following weight
Part raw material: 55 ~ 85 parts of solvent, 8 ~ 28 parts of solute, 4 ~ 12 parts of the first auxiliary agent, 1 ~ 4 part of the second auxiliary agent, 0.5 ~ 3.5 part of third auxiliary agent.
5. supercapacitor according to claim 1, which is characterized in that the electrolyte specifically includes following weight
Part raw material: 65 ~ 75 parts of solvent, 13 ~ 23 parts of solute, 6 ~ 10 parts of the first auxiliary agent, 2 ~ 3 parts of the second auxiliary agent, 1 ~ 3 part of third auxiliary agent.
6. supercapacitor according to claim 4, which is characterized in that the solvent is n-butanol and isovaleric acid isoamyl
Ester 1.5 ~ 3:1 in mass ratio is mixed.
7. supercapacitor according to claim 4, which is characterized in that the solute includes below a kind of or more
Kind: tartaric acid, oxalic acid, malic acid, citric acid, salicylic acid, caffeic acid and its ammonium salt.
8. supercapacitor according to claim 4, which is characterized in that first auxiliary agent is phosphomolybdic acid.
9. supercapacitor according to claim 4, which is characterized in that second auxiliary agent is azelaic acid hydrogen ammonium.
10. supercapacitor according to claim 4, which is characterized in that the third auxiliary agent is methylene bromide.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462889A (en) * | 2009-01-16 | 2009-06-24 | 南开大学 | Graphene and carbon fiber composite material, and preparation thereof |
| CN102804301A (en) * | 2009-06-26 | 2012-11-28 | 新加坡南洋理工大学 | Energy charge storage device using a printable polyelectrolyte as electrolyte material |
| CN203440138U (en) * | 2013-06-27 | 2014-02-19 | 北京仁创科技集团有限公司 | Water-permeable electrode plate |
| CN105448538A (en) * | 2015-12-07 | 2016-03-30 | 江苏国泰超威新材料有限公司 | Cyclic quaternary ammonium salt electrolyte, preparation method and application therefor |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462889A (en) * | 2009-01-16 | 2009-06-24 | 南开大学 | Graphene and carbon fiber composite material, and preparation thereof |
| CN102804301A (en) * | 2009-06-26 | 2012-11-28 | 新加坡南洋理工大学 | Energy charge storage device using a printable polyelectrolyte as electrolyte material |
| CN203440138U (en) * | 2013-06-27 | 2014-02-19 | 北京仁创科技集团有限公司 | Water-permeable electrode plate |
| CN105448538A (en) * | 2015-12-07 | 2016-03-30 | 江苏国泰超威新材料有限公司 | Cyclic quaternary ammonium salt electrolyte, preparation method and application therefor |
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