CN105977037A - Green and environmental protection low-resistance plant-based porous carbon electrode material and preparation method thereof - Google Patents
Green and environmental protection low-resistance plant-based porous carbon electrode material and preparation method thereof Download PDFInfo
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- CN105977037A CN105977037A CN201610213893.7A CN201610213893A CN105977037A CN 105977037 A CN105977037 A CN 105977037A CN 201610213893 A CN201610213893 A CN 201610213893A CN 105977037 A CN105977037 A CN 105977037A
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- 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
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- 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
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- 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
- H01G11/38—Carbon pastes or blends; Binders or additives therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/44—Raw materials therefor, e.g. resins or coal
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a green and environmental protection low-resistance plant-based porous carbon electrode material, which is prepared from the following raw materials in parts by weight: 60-63 parts of loofah, 37-40 parts of scaphium scaphigerum, an appropriate amount of distilled water, 39.5-40 parts of zinc chloride, 8-8.5 parts of lithium chloride, 8-9 parts of styrene-butadiene latex, 2-3 parts of 1-Methyl-3-octylimidazolium tetrafluoroborate, 6-7 parts of cobalt oxide, 1-1.2 parts of polyoxyethylene dehydrated sorbitan monooleate, 2-3 parts of pure acrylic emulsion, 5-6 parts of magnet powder and 2-3 parts of polypyrrole. According to the invention, the home-made plant-based porous carbon material is enabled to act as a base body, and components such as the magnet powder and the polypyrrole are added in a matched manner, so that the conductivity of the material can be enhanced, and the resistance of the material is reduced at the same time. Low-carbon environmental protection raw materials are adopted to prepare the electrode material, a supercapacitor manufactured by the electrode material is good in chemical stability, long in cycle life, low in resistance and high in specific capacity, and can meet requirements of electronic devices in different fields.
Description
Technical field
The present invention relates to electrode material technical field, particularly relate to a kind of environmental protection low-resistance plant base porous carbon electrode material and preparation method thereof.
Background technology
The transition of fossil energy is relied on and consumes and causes serious environmental problem and energy crisis by the mankind, and for realizing the development and utilization of the energy of sustainable development, new forms of energy and the research of novel energy device cause extensive concern.Ultracapacitor is class novel energy-storing device between traditional capacitor and battery, and compared with tradition energy storage device, it has higher energy density and power density, longer service life cycle, advantages of environment protection simultaneously.Along with the development of science and technology in recent years, ultracapacitor is gradually increased in the application trend of the aspects such as crane, fork truck, new-energy automobile, common electronic facility and factory's stand-by power supply.But, the electric conductivity of super capacitor material is poor, be related to ultracapacitor key property as the uneven problem common with electrolyte contacts face unstable properties etc. of Topical Dispersion.Electrode is to determine ultracapacitor performance most critical factor, therefore the research of electrode material always this field academia and the focus of industrial quarters.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of environmental protection low-resistance plant base porous carbon electrode material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of environmental protection low-resistance plant base porous carbon electrode material, is prepared by the raw materials in: Retinervus Luffae Fructus 60-63, Semen Sterculiae Lychnophorae 37-40, distilled water are appropriate, zinc chloride 39.5-40, lithium chloride 8-8.5, styrene-butadiene latex 8-9,1-methyl-3-octylimidazole tetrafluoroborate 2-3, Cobalto-cobaltic oxide 6-7, polyoxyethylene sorbitan monooleate dehydration 1-1.2, pure-acrylic emulsion 2-3, magnetic iron powder 5-6, polypyrrole 2-3.
According to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, following concrete grammar it is prepared from:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) styrene-butadiene latex is mixed homogeneously with pure-acrylic emulsion, add the same amount of distilled water of total amount, grind 30 minutes, add Cobalto-cobaltic oxide, magnetic iron powder, polypyrrole, after dispersed with stirring is uniform, first stir 15 minutes with the speed of 800 revs/min, then reduction of speed stirs 40 minutes to 300 revs/min, obtains mixed material；
(4) the plant base porous carbon material that step (2) is obtained, add in stirred tank after mixed material that step (3) obtains and the mixing of remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110-120 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
The invention have the advantage that the present invention uses the plant component such as Retinervus Luffae Fructus, Semen Sterculiae Lychnophorae as carbon source, resource natural reproducible, reduce the dependence to fossil energy, and utilize zinc chloride and lithium chloride salt-mixture as activator, not only solve and utilize the shortcoming of perishable reaction vessel in activation of potassium hydroxide technique, and the plant base porous carbon material prepared has the distribution of optimized pore structure and hole dimension, has good chemical property, technique is simple simultaneously, and feasibility is high.
Homemade plant base porous carbon material as matrix, is coordinated and adds the composition such as magnetic iron powder, polypyrrole, it is possible to the electric conductivity of reinforcing material, reduce the resistance of material simultaneously by the present invention；The raw material that the present invention uses low-carbon environment-friendly capable of circulation makes electrode material, and with this, the ultracapacitor chemical stability made is good, have extended cycle life, resistance is low, specific capacity is high, can meet the demand of different field electronic device.
Detailed description of the invention
A kind of environmental protection low-resistance plant base porous carbon electrode material, is made up of the raw material of following weight portion (kilogram): Retinervus Luffae Fructus 60, Semen Sterculiae Lychnophorae 37, distilled water are appropriate, zinc chloride 39.5, lithium chloride 8, styrene-butadiene latex 8,1 Methyl Octyl tetrafluoroborate 2, Cobalto-cobaltic oxide 6, polyoxyethylene sorbitan monooleate dehydration 1, pure-acrylic emulsion 2, magnetic iron powder 5, polypyrrole 2.
According to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, following concrete grammar it is prepared from:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) styrene-butadiene latex is mixed homogeneously with pure-acrylic emulsion, add the same amount of distilled water of total amount, grind 30 minutes, add Cobalto-cobaltic oxide, magnetic iron powder, polypyrrole, after dispersed with stirring is uniform, first stir 15 minutes with the speed of 800 revs/min, then reduction of speed stirs 40 minutes to 300 revs/min, obtains mixed material；
(4) the plant base porous carbon material that step (2) is obtained, add in stirred tank after mixed material that step (3) obtains and the mixing of remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
In described embodiment, the electrode of preparation is as working electrode, metallic nickel is colelctor electrode, politef is barrier film, with 2mol/L potassium hydroxide as electrolyte, in the range of 1.2-2.5V, under constant current (5mA), it is circulated test, at room temperature determines that its capacity is 1.64F by charging and discharging curve, internal resistance is 1.49m Ω, and circulation volume conservation rate is 98.1%.
Claims (2)
1. environmental protection low-resistance plant base porous carbon electrode material, it is characterized in that, be prepared by the raw materials in: Retinervus Luffae Fructus 60-63, Semen Sterculiae Lychnophorae 37-40, distilled water are appropriate, zinc chloride 39.5-40, lithium chloride 8-8.5, styrene-butadiene latex 8-9,1-methyl-3-octylimidazole tetrafluoroborate 2-3, Cobalto-cobaltic oxide 6-7, polyoxyethylene sorbitan monooleate dehydration 1-1.2, pure-acrylic emulsion 2-3, magnetic iron powder 5-6, polypyrrole 2-3.
2. according to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, it is characterised in that be prepared from by following concrete grammar:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) styrene-butadiene latex is mixed homogeneously with pure-acrylic emulsion, add the same amount of distilled water of total amount, grind 30 minutes, add Cobalto-cobaltic oxide, magnetic iron powder, polypyrrole, after dispersed with stirring is uniform, first stir 15 minutes with the speed of 800 revs/min, then reduction of speed stirs 40 minutes to 300 revs/min, obtains mixed material；
(4) the plant base porous carbon material that step (2) is obtained, add in stirred tank after mixed material that step (3) obtains and the mixing of remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110-120 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
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| CN201610213893.7A CN105977037A (en) | 2016-04-07 | 2016-04-07 | Green and environmental protection low-resistance plant-based porous carbon electrode material and preparation method thereof |
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| CN201610213893.7A CN105977037A (en) | 2016-04-07 | 2016-04-07 | Green and environmental protection low-resistance plant-based porous carbon electrode material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098083A (en) * | 2014-07-15 | 2014-10-15 | 黑龙江大学 | Method for preparing porous nano carbon materials with biomass serving as carbon source |
| CN104779067A (en) * | 2015-04-02 | 2015-07-15 | 安徽江威精密制造有限公司 | Waste PVC (polyvinyl chloride) based activated carbon electrode material with high mechanical stability and preparation method thereof |
| CN104821234A (en) * | 2015-04-03 | 2015-08-05 | 安徽江威精密制造有限公司 | High-aluminum powder/modified straw composite electrode material and preparation method thereof |
-
2016
- 2016-04-07 CN CN201610213893.7A patent/CN105977037A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098083A (en) * | 2014-07-15 | 2014-10-15 | 黑龙江大学 | Method for preparing porous nano carbon materials with biomass serving as carbon source |
| CN104779067A (en) * | 2015-04-02 | 2015-07-15 | 安徽江威精密制造有限公司 | Waste PVC (polyvinyl chloride) based activated carbon electrode material with high mechanical stability and preparation method thereof |
| CN104821234A (en) * | 2015-04-03 | 2015-08-05 | 安徽江威精密制造有限公司 | High-aluminum powder/modified straw composite electrode material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 呼小洲等: "混合盐活化胖大海基多孔碳的制备及超级电容器电极材料性能", 《应用化学》 * |
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Application publication date: 20160928 |