CN105931856A - Composite electrode material added with modified waste capacitor electrode slices and preparation method thereof - Google Patents
Composite electrode material added with modified waste capacitor electrode slices and preparation method thereof Download PDFInfo
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- CN105931856A CN105931856A CN201610473271.8A CN201610473271A CN105931856A CN 105931856 A CN105931856 A CN 105931856A CN 201610473271 A CN201610473271 A CN 201610473271A CN 105931856 A CN105931856 A CN 105931856A
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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
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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 composite electrode material added with modified waste capacitor electrode slices. The composite electrode material is prepared from the following raw materials in part by weight: 60-63 parts of loofah sponge, 37-40 parts of sterculia lychnophora, moderate distilled water, 39.5-40 parts of zinc chloride, 8-8.5 parts of lithium chloride, 6-7 parts of waste tire pyrolysis carbon black, 0.1-0.12 part of stearic acid, 8-10 parts of waste capacitor electrode slices, 3-4 parts of sodium alginate, 7-9 parts of acrylic resin, 10-12 parts of ethanol solution with concentration of 75wt%, 10-12 parts of ethyl acetate, 8-9.5 parts of iron dust core, and 13-14 parts of sodium hydroxide. Through a series of process, the waste capacitor electrode slices and the waste tire pyrolysis carbon black are modified, the prepared powder is compounded with the botanical based porous carbon material so as to obtain the material with extremely high specific area, the waste resource is effectively recycled, the solid waste pollution is reduced; the process is simple and the repeatability is good, and the batch production can be realized.
Description
Technical field
The present invention relates to electrode material technical field, particularly relate to a kind of combination electrode material adding modified waste capacitor electrode slice 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 combination electrode material adding modified waste capacitor electrode slice and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of combination electrode material adding modified waste capacitor electrode slice, 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, damaged tire cracking black carbon 6-7, stearic acid 0.1-0.12, waste and old capacitor electrode slice 8-10, sodium alginate 3-4, acrylic resin 7-9, concentration are the ethanol solution 10-12 of 75wt%, ethyl acetate 10-12, ferrocart core 8-9.5, sodium hydroxide 13-14.
According to the combination electrode material adding modified waste capacitor electrode slice 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) damaged tire cracking black carbon is put into ball milling in ball mill put in baking oven after 1 hour and be dried 1 hour with the temperature of 80 DEG C, again dried powder is put in high-speed mixer, temperature control 80 DEG C, stearic acid is added with the speed of 1000 revs/min after stirring 15 minutes, after continuing stirring 10 minutes, it is slowly dropped to room temperature, obtains modified damaged tire cracking black carbon；
(4) waste and old capacitor electrode slice is pulverized, cross 200 mesh sieves, then soak 2 hours in ethyl acetate, take out and mix with sodium hydroxide after drying, add the distilled water of total amount 2 times amount, after dispersed with stirring is uniform, centrifugation is filtered, the dried Muffle kiln roasting 3 hours that powder body is put into 700 DEG C, is cooled to room temperature, obtains recycled electrode materials；
(5) acrylic resin is dissolved in the ethanol solution that concentration is 75wt%, then mix homogeneously with the sodium alginate being dissolved in 5 times amount distilled water, continuously add the plant base porous carbon material that step (2) obtains, the modified damaged tire cracking black carbon that step (3) obtains, recycled electrode materials that step (4) obtains and 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.
Waste and old capacitor electrode slice and damaged tire cracking black carbon etc. are modified by the present invention by a series of technique, the powder made compounds with plant base porous carbon material, the material that specific surface area is high can be obtained, effectively reclaim waste and old resource, reduce noxious waste pollution, and technique is simple and favorable repeatability, beneficially mass production.The ultracapacitor made with product of the present invention has higher ratio electric capacity, and service life cycle is long, and electrochemistry combination property is good.
Detailed description of the invention
A kind of combination electrode material adding modified waste capacitor electrode slice, 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, damaged tire cracking black carbon 6, stearic acid 0.1, waste and old capacitor electrode slice 8, sodium alginate 3, acrylic resin 7, concentration are the ethanol solution 10 of 75wt%, ethyl acetate 10, ferrocart core 8, sodium hydroxide 13.
According to the combination electrode material adding modified waste capacitor electrode slice 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) damaged tire cracking black carbon is put into ball milling in ball mill put in baking oven after 1 hour and be dried 1 hour with the temperature of 80 DEG C, again dried powder is put in high-speed mixer, temperature control 80 DEG C, stearic acid is added with the speed of 1000 revs/min after stirring 15 minutes, after continuing stirring 10 minutes, it is slowly dropped to room temperature, obtains modified damaged tire cracking black carbon；
(4) waste and old capacitor electrode slice is pulverized, cross 200 mesh sieves, then soak 2 hours in ethyl acetate, take out and mix with sodium hydroxide after drying, add the distilled water of total amount 2 times amount, after dispersed with stirring is uniform, centrifugation is filtered, the dried Muffle kiln roasting 3 hours that powder body is put into 700 DEG C, is cooled to room temperature, obtains recycled electrode materials；
(5) acrylic resin is dissolved in the ethanol solution that concentration is 75wt%, then mix homogeneously with the sodium alginate being dissolved in 5 times amount distilled water, continuously add the plant base porous carbon material that step (2) obtains, the modified damaged tire cracking black carbon that step (3) obtains, recycled electrode materials that step (4) obtains and 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 1.69F by charging and discharging curve, internal resistance is 1.68m Ω, and circulation volume conservation rate is 98.5%.
Claims (2)
1. the combination electrode material adding modified waste capacitor electrode slice, 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, damaged tire cracking black carbon 6-7, stearic acid 0.1-0.12, waste and old capacitor electrode slice 8-10, sodium alginate 3-4, acrylic resin 7-9, concentration are the ethanol solution 10-12 of 75wt%, ethyl acetate 10-12, ferrocart core 8-9.5, sodium hydroxide 13-14.
2. according to the combination electrode material adding modified waste capacitor electrode slice 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) damaged tire cracking black carbon is put into ball milling in ball mill put in baking oven after 1 hour and be dried 1 hour with the temperature of 80 DEG C, again dried powder is put in high-speed mixer, temperature control 80 DEG C, stearic acid is added with the speed of 1000 revs/min after stirring 15 minutes, after continuing stirring 10 minutes, it is slowly dropped to room temperature, obtains modified damaged tire cracking black carbon；
(4) waste and old capacitor electrode slice is pulverized, cross 200 mesh sieves, then soak 2 hours in ethyl acetate, take out and mix with sodium hydroxide after drying, add the distilled water of total amount 2 times amount, after dispersed with stirring is uniform, centrifugation is filtered, the dried Muffle kiln roasting 3 hours that powder body is put into 700 DEG C, is cooled to room temperature, obtains recycled electrode materials；
(5) acrylic resin is dissolved in the ethanol solution that concentration is 75wt%, then mix homogeneously with the sodium alginate being dissolved in 5 times amount distilled water, continuously add the plant base porous carbon material that step (2) obtains, the modified damaged tire cracking black carbon that step (3) obtains, recycled electrode materials that step (4) obtains and 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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| CN201610473271.8A CN105931856A (en) | 2016-06-24 | 2016-06-24 | Composite electrode material added with modified waste capacitor electrode slices and preparation method thereof |
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| CN201610473271.8A CN105931856A (en) | 2016-06-24 | 2016-06-24 | Composite electrode material added with modified waste capacitor electrode slices and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214516A (en) * | 2011-03-17 | 2011-10-12 | 南开大学 | Method for preparing capacitor electrode material from waste tire pyrolytic carbon |
| CN103663448A (en) * | 2012-09-19 | 2014-03-26 | 天津普兰纳米科技有限公司 | Preparation method of carbon material, obtained carbon material and application thereof |
| CN103915263A (en) * | 2014-04-15 | 2014-07-09 | 中国科学院福建物质结构研究所 | Method for recovering supercapacitor and electrode material of supercapacitor |
| 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 |
| CN104779065A (en) * | 2015-04-03 | 2015-07-15 | 安徽江威精密制造有限公司 | Straw-based supercapacitor electrode with high volumetric specific capacitance and preparation method thereof |
-
2016
- 2016-06-24 CN CN201610473271.8A patent/CN105931856A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214516A (en) * | 2011-03-17 | 2011-10-12 | 南开大学 | Method for preparing capacitor electrode material from waste tire pyrolytic carbon |
| CN103663448A (en) * | 2012-09-19 | 2014-03-26 | 天津普兰纳米科技有限公司 | Preparation method of carbon material, obtained carbon material and application thereof |
| CN103915263A (en) * | 2014-04-15 | 2014-07-09 | 中国科学院福建物质结构研究所 | Method for recovering supercapacitor and electrode material of supercapacitor |
| 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 |
| CN104779065A (en) * | 2015-04-03 | 2015-07-15 | 安徽江威精密制造有限公司 | Straw-based supercapacitor electrode with high volumetric specific capacitance 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: 20160907 |
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