CN108010745A - One kind is based on Ag/PPy/MnO2Stretchable Asymmetric Supercapacitor of composite nano materials and preparation method thereof - Google Patents
One kind is based on Ag/PPy/MnO2Stretchable Asymmetric Supercapacitor of composite nano materials and preparation method thereof Download PDFInfo
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- CN108010745A CN108010745A CN201810054418.9A CN201810054418A CN108010745A CN 108010745 A CN108010745 A CN 108010745A CN 201810054418 A CN201810054418 A CN 201810054418A CN 108010745 A CN108010745 A CN 108010745A
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000007650 screen-printing Methods 0.000 claims abstract description 16
- 230000014759 maintenance of location Effects 0.000 claims abstract description 10
- 239000004332 silver Substances 0.000 claims abstract description 9
- 229910052709 silver Inorganic materials 0.000 claims abstract description 9
- 239000007832 Na2SO4 Substances 0.000 claims abstract description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 6
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 8
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 229920000128 polypyrrole Polymers 0.000 description 38
- 239000000047 product Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 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
- H01G11/22—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
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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
- H01G11/46—Metal oxides
-
- 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
- H01G11/84—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Hybrid Cells (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The present invention relates to one kind to be based on Ag/PPy/MnO2The preparation method of the stretchable Asymmetric Supercapacitor of composite nano materials, the Ag/PPy/MnO of preparation2Composite nano materials have the series of advantages such as excellent capacitive property, good flexibility, the high and low cost of stability and good printability, select super flexible Stretchable fabric base material, by silver paste, the Ag/PPy/MnO of synthesis by way of silk-screen printing2Composite nano materials, activated carbon and PVA Na2SO4Solid electrolyte is printed as flexible solid Asymmetric Supercapacitor.The energy density of the Asymmetric Supercapacitor of the manufacture of the present invention is up to 30.9 μ Wh cm‑2, possess after 5000 constant current charge-discharges 90.8% capacity retention, 89.2% capacitance is possessed after 40% stretching and is kept.Meanwhile the Asymmetric Supercapacitor of manufacture (stretching, distorts, and crimps, bending) under the conditions of different flexibilities remains flexible and mechanical performance well, and the LED light of the 2.8V of shiny red is put under these conditions.
Description
Technical field
The present invention relates to one kind to be based on Ag/PPy/MnO2The stretchable Asymmetric Supercapacitor of composite nano materials and its
Preparation method.
Background technology
Ultracapacitor (Supercapacitor) is a kind of novel energy storage apparatus, it has, and the charging interval is short, uses the longevity
The features such as ordering length, good temp characteristic, saving the energy and is environmentally protective, therefore ultracapacitor is widely used.Since oil provides
Source is increasingly short, and pollution of the internal combustion engine tail gas discharge of burning petroleum to environment is increasingly severe (especially in big or middle city
City), solia particle increases in air, and very big influence is caused to human body, and people substitute the novel energy of internal combustion engine in research
Device.Carried out hybrid power, fuel cell, chemical cell product and the research and development of application, achieve it is certain into
Effect.It is but high since their intrinsic service lifes are short, temperature characterisitic is poor, chemical cell pollutes environment, system complex, cost
Etc. deadly defect, good solution is never had.Ultracapacitor (Supercapacitor) is raised with its excellent characteristic
It is long to keep away short, it can partly or entirely substitute traditional chemical cell and be used for the traction power source of vehicle and start the energy, and have
Than traditional more extensive purposes of chemical cell.Just because of this, countries in the world (particularly western developed country) is not lost
Research and development are carried out to ultracapacitor, but how to prepare capacitive property good and have large-scale low-cost surplus energy
The ultracapacitor of stable circulation performance but becomes the main reason for limitation ultracapacitor development.
The fast development in portable wearable electronic field is accelerated to super flexible, stretchable high-performance super capacitor
Demand.Currently, existing stretchable capacitor is faced with low energy density, tensility energy deficiency and manufacturing process complexity,
Limit its practical application.Therefore, how improving the energy density of existing ultracapacitor while simplifying its manufacturing process is
Current key task.
The content of the invention
Research finds, the electric conductivity of active material can have ultracapacitor capacitive character a direct contact, polypyrrole with
Manganese dioxide is widely studied as the active material of two kinds of cheap high theoretical specific capacitances, but it is applied to ultracapacitor quilt
Not high electric conductivity itself is limited, and the less flexible of manganese dioxide has obtained very after the silver, polypyrrole of introducing high flexibility
Big improvement, thus by silver, polypyrrole and manganese dioxide it is for composite be a kind of to obtain high capacitance performance high flexibility active material
Feasible program.Meanwhile the voltage window of ultracapacitor largely affects its energy density, asymmetric super capacitor
The preparation of device is the research hotspot in the current field, therefore by the Ag/PPy/MnO of preparation2Composite nano materials and activated carbon point
The voltage window of raising ultracapacitor that can be very not big as cathode electrode material and anode electrode material, is a kind of acquisition
The feasible program of high-energy density super capacitor.Nanosecond science and technology develop into Ag/PPy/MnO2The preparation of composite nano materials
The technical conditions provided convenience, at present researcher prepared that capacitive property is good, stable circulation by the way of silk-screen printing
Property strong and excellent mechanical performance flexible extensible Asymmetric Supercapacitor, and applied to flexibility energy storage field.Printed electronic
(Printed Electronics) technology has been caused by the important technology as a kind of achievable large area and flexible device manufacture
Researcher widely pays close attention to, and this method is the manufacturing technology based on print principle, mainly by some good dispersions or
Water miscible inorganic or organic material carries out printed patterns processing and finally realizes the manufacture of higher order structures.
The purpose of the invention is to provide to be based on Ag/PPy/MnO2Composite nano materials printing is stretchable asymmetric super
The preparation method of capacitor, to prepare the flexible extensible Asymmetric Supercapacitor of cheap excellent performance, realization pair
The substitution of the high energy storage device of traditional price and supplement, and it is simple with reactions steps, and the reaction time is short, easy to operate etc.
Advantage, prepares and produces available for industrial mass, and can be applied to flexible energy storage field.
In order to achieve the above object, technical solution provided by the invention is：One kind is based on Ag/PPy/MnO2Composite Nano material
The preparation method of the stretchable Asymmetric Supercapacitor of material, includes the following steps：
1)Ag/PPy/MnO2The synthesis of composite nano materials, specific method are：It is 5 in mass ratio:20:2 sequentially add nitre
Sour silver, polyvinylpyrrolidone and acetate are into a certain amount of water, and stirring obtains mixed solution, then, by the mixed solution room
Temperature stirring 30-40min, it is 1 to add mass ratio by peristaltic pump:2 pyrrole monomer and ferric trichloride, the reaction was continued 2-3h will
It is added in a certain amount of certain density liquor potassic permanganate after obtained product cleaning more than 3 times, is reacted under the conditions of 120 DEG C
2-3h；
2)Ag/PPy/MnO2The cleaning of composite nano materials and Ag/PPy/MnO2The preparation of particle, specific method are：Pass through
Step 1) is obtained Ag/PPy/MnO by ethanol2Composite nano materials by cleaning more than 3 times for 10 minutes in centrifugation, then by it
It is distributed in absolute ethyl alcohol, and its mass fraction is reached 60%, 6-8h is dried under conditions of 60 DEG C by baking oven；
3) Ag/PPy/MnO is prepared2Ink, activated carbon ink, specific method are：It is 8 according to mass ratio:1:1 by Ag/
PPy/MnO2Particle, conductive black and epoxy resin be added in a certain amount of water configure be adapted to silk-screen printing viscosity be
The Ag/PPy/MnO of 0.2Pas2Ink, is 6 according to mass ratio:1:1 adds active carbon particle, conductive black and epoxy resin
The activated carbon ink for being adapted to that the viscosity of silk-screen printing is 0.2Pas is configured into a certain amount of water；
4) preparation of Asymmetric Supercapacitor, specific method are：By the silk screen plate of 300-400 mesh by silver paste, step
3) Ag/PPy/MnO prepared2Ink, activated carbon ink and PVA-Na2SO4Solid electrolyte, which is sequentially overlapped, is printed on stock
On, various ultracapacitor patterns are formed, are then drying to obtain.
Further, the molar concentration of the step 1) liquor potassic permanganate is 0.6mmol/L.
Further, the step 4) stock is flexible fabric, and drying temperature is no more than 80 DEG C.
The present invention also provides a kind of stretchable Asymmetric Supercapacitor based on Ag/PPy/MnO2 composite nano materials,
It is prepared by any claim the method for claims 1 to 3.
Further, the energy density of the Asymmetric Supercapacitor is 30.9 μ Wh cm-2, after 5000 constant current charge-discharges
Possess 90.8% capacity retention, 89.2% capacity retention is possessed after 40% stretching.
Compared with prior art, the advantages of the present invention：
1st, Ag/PPy/MnO prepared by the method for the present invention2Composite nano materials have excellent capacitive property, good soft
Property, the series of advantages such as the high and low cost of stability and good printability, be conducive to flexible ultracapacitor, stability and
The lifting of electric property, substantially increases the practicality of ultracapacitor.
2nd, the method for the present invention is a kind of new conjunction easy to operate, quick, high yield without product purification, quick, directly perceived
Into method.By controlling the stock of silk-screen printing, the asymmetric super capacitor of flexible extensible can be prepared on super flexible fabric
Device.
3rd, the Ag/PPy/MnO of the invention by preparation2Composite nano materials and activated carbon respectively as cathode electrode material with
Anode electrode material, the voltage window of raising ultracapacitor that can be very big, so as to greatly enhance super capacitor
The energy density of device.
3rd, the energy density of the Asymmetric Supercapacitor prepared is up to 30.9 μ Wh cm-2, after 5000 constant current charge-discharges
Possess 90.8% capacity retention, 89.2% capacity retention is possessed after 40% stretching.It is meanwhile produced by the present invention non-
Symmetrical ultracapacitor (stretching, distorts, and crimps, bending) under the conditions of different flexibilities remains flexible well and machinery
Performance, and the LED light of the 2.8V of shiny red is put under these conditions.
Embodiment
Embodiment 1：
Specific preparation process is as follows：1) 0.05g silver nitrates, 0.2g polyvinylpyrrolidones (PVP) and 0.02g acetate,
It is added in 20mL water and stirs in order.Then, which is stirred at room temperature 30min, by peristaltic pump with 600 μ L/
Min speed is separately added into the ferric chloride aqueous solutions of the pyrrole monomer of 0.25mL and the 0.3mol/L of 10mL, the reaction was continued 2h.Will
It is anti-under the conditions of 120 DEG C in the liquor potassic permanganate of more than the 3 times 0.6mmol/L for being added to 20mL afterwards of obtained product cleaning
Answer 2h.2) by synthesized Ag/PPy/MnO2Composite nano materials are cleaned and Ag/PPy/MnO2The preparation of particle, specific side
Method is：The product obtained is cleaned more than 3 times for 10 minutes by leaving the heart 10000 by ethanol, is then dispersed in
In absolute ethyl alcohol, and its mass fraction is reached 60%, 6h is dried under conditions of 60 DEG C by baking oven.3) Ag/PPy/ is prepared
MnO2Ink, activated carbon ink, specific method are：It is 8 according to mass ratio:1:1 adds 0.8g Ag/PPy/MnO2Composite Nano
It is 0.2Pas's that grain, 0.1g conductive blacks and 0.1g epoxy resin, which are added to and the viscosity for being adapted to silk-screen printing configured in the water of 5mL,
Ag/PPy/MnO2Ink, is 6 according to mass ratio:1:1 adds 0.6g active carbon particles, 0.1g conductive blacks and 0.1g asphalt mixtures modified by epoxy resin
Fat is added to and the activated carbon ink that the viscosity for being adapted to silk-screen printing is 0.2Pas is configured in the water of 6mL.4) asymmetric super capacitor
The preparation of device, specific method are：The Ag/PPy/MnO for being prepared silver paste, above-mentioned steps by the silk screen plate of 400 mesh2Ink, work
Property charcoal ink and PVA-Na2SO4Solid electrolyte, which is sequentially overlapped, is printed as various ultracapacitor patterns.5) will by baking oven
The Asymmetric Supercapacitor drying that silk-screen printing obtains, its drying temperature should not be greater than 80 DEG C.The asymmetric super electricity prepared
The energy density of container is up to 30.9 μ Wh cm-2, possess after 5000 constant current charge-discharges 90.8% capacity retention, 40%
Possess 89.2% capacitance holding after stretching.Meanwhile the Asymmetric Supercapacitor that the embodiment of the present invention 1 manufactures is different soft
Property under the conditions of (stretching, distorts, and crimps, bending) remain flexible well and mechanical performance, and light under these conditions
The LED light of red 2.8V.
Embodiment 2：
Specific preparation process is as follows：1) 0.5g silver nitrates, 2.0g polyvinylpyrrolidones (PVP) and 0.2g acetate, are pressed
Order is added in 200mL water and stirs.Then, which is stirred at room temperature 30min, by peristaltic pump with 600 μ L/
Min speed is separately added into the ferric chloride aqueous solutions of the pyrrole monomer of 2.5mL and the 0.3mol/L of 100mL, the reaction was continued 2h.Will
It is anti-under the conditions of 120 DEG C in the liquor potassic permanganate of more than the 3 times 0.6mmol/L for being added to 200mL afterwards of obtained product cleaning
Answer 2h.2) by synthesized Ag/PPy/MnO2Composite nano materials are cleaned and Ag/PPy/MnO2The preparation of particle, specific side
Method is：The product obtained is cleaned more than 3 times for 10 minutes by leaving the heart 10000 by ethanol, is then dispersed in
In absolute ethyl alcohol, and its mass fraction is reached 60%, 6h is dried under conditions of 60 DEG C by baking oven.3) Ag/PPy/ is prepared
MnO2Ink, activated carbon ink, specific method are：It is 8 according to mass ratio:1:1 adds 0.8g Ag/PPy/MnO2Composite Nano
It is 0.2Pas's that grain, 0.1g conductive blacks and 0.1g epoxy resin, which are added to and the viscosity for being adapted to silk-screen printing configured in the water of 5mL,
Ag/PPy/MnO2Ink, is 6 according to mass ratio:1:1 adds 0.6g active carbon particles, 0.1g conductive blacks and 0.1g asphalt mixtures modified by epoxy resin
Fat is added to and the activated carbon ink that the viscosity for being adapted to silk-screen printing is 0.2Pas is configured in the water of 6mL.4) asymmetric super capacitor
The preparation of device, specific method are：The Ag/PPy/MnO for being prepared silver paste, above-mentioned steps by the silk screen plate of 400 mesh2Ink, work
Property charcoal ink and PVA-Na2SO4Solid electrolyte, which is sequentially overlapped, is printed as various ultracapacitor patterns.5) will by baking oven
The Asymmetric Supercapacitor drying that silk-screen printing obtains, its drying temperature should not be greater than 80 DEG C.The asymmetric super electricity prepared
The energy density of container is up to 30.9 μ Wh cm-2, possess after 5000 constant current charge-discharges 90.8% capacity retention, 40%
Possess 89.2% capacitance holding after stretching.Meanwhile the Asymmetric Supercapacitor that the embodiment of the present invention 2 manufactures is different soft
Property under the conditions of (stretching, distorts, and crimps, bending) remain flexible well and mechanical performance, and light under these conditions
The LED light of red 2.8V.
Embodiment 3：
Specific preparation process is as follows：1) 0.08g silver nitrates, 0.32g polyvinylpyrrolidones (PVP) and 0.032g acetic acid
Salt, is added in 30mL water and stirs in order.Then, which is stirred at room temperature 30min, by peristaltic pump with 600 μ
L/min speed is separately added into the ferric chloride aqueous solutions of the pyrrole monomer of 0.4mL and the 0.3mol/L of 16mL, the reaction was continued 2h.
By in the liquor potassic permanganate for the 0.6mmol/L for being added to 32mL after obtained product cleaning more than 3 times, under the conditions of 120 DEG C
React 2h.2) by synthesized Ag/PPy/MnO2Composite nano materials are cleaned and Ag/PPy/MnO2The preparation of particle, specifically
Method is：The product obtained is cleaned more than 3 times for 10 minutes by leaving the heart 10000 by ethanol, is then disperseed
Into absolute ethyl alcohol, and its mass fraction is reached 60%, 6h is dried under conditions of 60 DEG C by baking oven.3) Ag/ is prepared
PPy/MnO2Ink, activated carbon ink, specific method are：It is 8 according to mass ratio:1:1 adds 0.8g Ag/PPy/MnO2It is compound to receive
It is 0.2Pa that rice grain, 0.1g conductive blacks and 0.1g epoxy resin, which are added to and the viscosity for being adapted to silk-screen printing configured in the water of 5mL,
The Ag/PPy/MnO of s2Ink, is 6 according to mass ratio:1:1 adds 0.6g active carbon particles, 0.1g conductive blacks and 0.1g epoxies
Resin is added to and the activated carbon ink that the viscosity for being adapted to silk-screen printing is 0.2Pas is configured in the water of 6mL.4) asymmetric super electricity
The preparation of container, specific method are：The Ag/PPy/MnO for being prepared silver paste, above-mentioned steps by the silk screen plate of 400 mesh2Ink,
Activated carbon ink and PVA-Na2SO4Solid electrolyte, which is sequentially overlapped, is printed as various ultracapacitor patterns.5) baking oven is passed through
The Asymmetric Supercapacitor that silk-screen printing is obtained is dried, its drying temperature should not be greater than 80 DEG C.What is prepared is asymmetric super
The energy density of capacitor is up to 30.9 μ Wh cm-2, possess after 5000 constant current charge-discharges 90.8% capacity retention, 40%
Stretching after possess 89.2% capacitance keep.Meanwhile the Asymmetric Supercapacitor that the embodiment of the present invention 1 manufactures is different
(stretching, distorts, and crimps, bending) remains flexible and mechanical performance, and point under these conditions well under the conditions of flexibility
The LED light of the 2.8V of shiny red.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of preparation method of the stretchable Asymmetric Supercapacitor based on Ag/PPy/MnO2 composite nano materials, it is special
Sign is, includes the following steps：
1)Ag/PPy/MnO2The synthesis of composite nano materials, specific method are：It is 5 in mass ratio:20:2 sequentially add silver nitrate,
Into a certain amount of water, stirring obtains mixed solution, and then, which is stirred at room temperature for polyvinylpyrrolidone and acetate
30-40min, it is 1 to add mass ratio by peristaltic pump:2 pyrrole monomer and ferric trichloride, the reaction was continued 2-3h, by what is obtained
It is added to after product cleaning more than 3 times in a certain amount of certain density liquor potassic permanganate, reacts 2-3h under the conditions of 120 DEG C；
2)Ag/PPy/MnO2The cleaning of composite nano materials and Ag/PPy/MnO2The preparation of particle, specific method are：Pass through ethanol
Step 1) is obtained into Ag/PPy/MnO2Then composite nano materials are disperseed by being cleaned more than 3 times within 10 minutes in centrifugation
Into absolute ethyl alcohol, and its mass fraction is reached 60%, 6-8h is dried under conditions of 60 DEG C by baking oven；
3) Ag/PPy/MnO is prepared2Ink, activated carbon ink, specific method are：It is 8 according to mass ratio:1:1 by Ag/PPy/MnO2
Particle, conductive black and epoxy resin are added to and the Ag/ that the viscosity for being adapted to silk-screen printing is 0.2Pas are configured in a certain amount of water
PPy/MnO2Ink, is 6 according to mass ratio:1:1 is added to active carbon particle, conductive black and epoxy resin in a certain amount of water
Configuration is adapted to the activated carbon ink that the viscosity of silk-screen printing is 0.2Pas；
4) preparation of Asymmetric Supercapacitor, specific method are：Silver paste, step 3) are made by the silk screen plate of 300-400 mesh
Standby Ag/PPy/MnO2Ink, activated carbon ink and PVA-Na2SO4Solid electrolyte is sequentially overlapped printing on the substrate,
Various ultracapacitor patterns are formed, are then drying to obtain.
A kind of 2. stretchable asymmetric super capacitor based on Ag/PPy/MnO2 composite nano materials as claimed in claim 1
The preparation method of device, it is characterised in that：The molar concentration of the step 1) liquor potassic permanganate is 0.6mmol/L.
A kind of 3. stretchable asymmetric super capacitor based on Ag/PPy/MnO2 composite nano materials as claimed in claim 1
The preparation method of device, it is characterised in that：Step 4) the stock is flexible fabric, and drying temperature is no more than 80 DEG C.
A kind of 4. stretchable Asymmetric Supercapacitor based on Ag/PPy/MnO2 composite nano materials, it is characterised in that：By weighing
Profit requires 1 to 3 any claim the method to be prepared.
5. a kind of stretchable Asymmetric Supercapacitor based on Ag/PPy/MnO2 composite nano materials as claimed in claim 4,
It is characterized in that：The energy density of the Asymmetric Supercapacitor is 30.9 μ Wh cm-2, possess after 5000 constant current charge-discharges
90.8% capacity retention, possesses 89.2% capacity retention after 40% stretching.
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| CN110144137A (en) * | 2019-05-06 | 2019-08-20 | 武汉大学 | A kind of nanocube ink, preparation method and application based on CoHCF |
| US10526441B1 (en) | 2019-01-23 | 2020-01-07 | King Fahd University Of Petroleum And Minerals | Polypyrrole-coated silver particles for surface enhanced Raman scattering |
| CN113130213A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | Composite material for supercapacitor and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10526441B1 (en) | 2019-01-23 | 2020-01-07 | King Fahd University Of Petroleum And Minerals | Polypyrrole-coated silver particles for surface enhanced Raman scattering |
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| CN113130213B (en) * | 2019-12-31 | 2023-01-10 | 中国石油化工股份有限公司 | Composite material for supercapacitor and preparation method thereof |
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