CN105977052A - Composite electrode material with simple process and excellent electrochemical performance and preparation method thereof - Google Patents
Composite electrode material with simple process and excellent electrochemical performance and preparation method thereof Download PDFInfo
- Publication number
- CN105977052A CN105977052A CN201610213889.0A CN201610213889A CN105977052A CN 105977052 A CN105977052 A CN 105977052A CN 201610213889 A CN201610213889 A CN 201610213889A CN 105977052 A CN105977052 A CN 105977052A
- Authority
- CN
- China
- Prior art keywords
- parts
- hours
- distilled water
- electrode material
- electrochemical performance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—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
Abstract
The invention discloses a composite electrode material with a simple process and excellent electrochemical performance, 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, 2-3 parts of expanded graphite, 10-12 parts of nano zinc oxide, 15-17 parts of an ethanol solution with the concentration being 75wt%, 5-6 parts of carboxymethyl cellulose, 5-6 parts of polytetrafluoroethylene emulsion, 7-8 parts of diethanol amine and 2-3 parts of liquid silicon. Components such as the expanded graphite and the nano zinc oxide are added in raw materials so as to mutually cooperate with a plant-based porous carbon material to further improve the conductivity and the electrochemical performance of the material. In addition, the composite electrode material is low in cost of raw materials, simple in process, easy to implement, and environment-friendly. A manufactured supercapacitor is high in capacitance and excellent in cycling stability.
Description
Technical field
The present invention relates to electrode material technical field, particularly relate to combination electrode material of the simple electrochemical performance of a kind of technique 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 combination electrode material of the simple electrochemical performance of a kind of technique and preparation method thereof.
The present invention is achieved by the following technical solutions:
The combination electrode material of the simple electrochemical performance of a kind of technique, 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, expanded graphite 2-3, nano zine oxide 10-12, concentration are the ethanol solution 15-17 of 75wt%, carboxymethyl cellulose 5-6, ptfe emulsion 5-6, diethanolamine 7-8, liquid silica gel 2-3.
According to the combination electrode material of the simple electrochemical performance of a kind of technique 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) put in the ethanol solution that concentration is 75wt% after expanded graphite, nano zine oxide mixing, put in ultrasonator ultrasonic 10 hours, 1 minute is acutely rocked every 1 hour, make powder body fully dispersed, stand 10 minutes after ultrasonic end, take upper strata suspension, after centrifugation, the vacuum drying oven of 80 DEG C is dried 2 hours, obtains mixing and strengthen material；
(4) carboxymethyl cellulose will add the distilled water of 10 times amount, stirring is to being completely dissolved, it is subsequently adding ptfe emulsion, diethanolamine, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, the mixing that step (3) obtains strengthens material 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.
The present invention adds expanded graphite, nano zine oxide in the feed, cooperates with plant base porous carbon material, improves the electric conductivity of material, chemical property further, and cost of material is low, technique simply facilitates implementation, environmental friendliness, and the ultracapacitor capacitance made is high, good cycling stability.
Detailed description of the invention
The combination electrode material of the simple electrochemical performance of a kind of technique, 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, expanded graphite 2, nano zine oxide 10, concentration are the ethanol solution 15 of 75wt%, carboxymethyl cellulose 5, ptfe emulsion 5, diethanolamine 7, liquid silica gel 2.
According to the combination electrode material of the simple electrochemical performance of a kind of technique 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) put in the ethanol solution that concentration is 75wt% after expanded graphite, nano zine oxide mixing, put in ultrasonator ultrasonic 10 hours, 1 minute is acutely rocked every 1 hour, make powder body fully dispersed, stand 10 minutes after ultrasonic end, take upper strata suspension, after centrifugation, the vacuum drying oven of 80 DEG C is dried 2 hours, obtains mixing and strengthen material；
(4) carboxymethyl cellulose will add the distilled water of 10 times amount, stirring is to being completely dissolved, it is subsequently adding ptfe emulsion, diethanolamine, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, the mixing that step (3) obtains strengthens material 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 1.71F by charging and discharging curve, internal resistance is 1.49m Ω, and circulation volume conservation rate is 98.51%.
Claims (2)
1. the combination electrode material of the simple electrochemical performance of technique, 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, expanded graphite 2-3, nano zine oxide 10-12, concentration are the ethanol solution 15-17 of 75wt%, carboxymethyl cellulose 5-6, ptfe emulsion 5-6, diethanolamine 7-8, liquid silica gel 2-3.
2. according to the combination electrode material of the simple electrochemical performance of a kind of technique 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) put in the ethanol solution that concentration is 75wt% after expanded graphite, nano zine oxide mixing, put in ultrasonator ultrasonic 10 hours, 1 minute is acutely rocked every 1 hour, make powder body fully dispersed, stand 10 minutes after ultrasonic end, take upper strata suspension, after centrifugation, the vacuum drying oven of 80 DEG C is dried 2 hours, obtains mixing and strengthen material；
(4) carboxymethyl cellulose will add the distilled water of 10 times amount, stirring is to being completely dissolved, it is subsequently adding ptfe emulsion, diethanolamine, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, the mixing that step (3) obtains strengthens material 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213889.0A CN105977052A (en) | 2016-04-07 | 2016-04-07 | Composite electrode material with simple process and excellent electrochemical performance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213889.0A CN105977052A (en) | 2016-04-07 | 2016-04-07 | Composite electrode material with simple process and excellent electrochemical performance and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105977052A true CN105977052A (en) | 2016-09-28 |
Family
ID=56989315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610213889.0A Pending CN105977052A (en) | 2016-04-07 | 2016-04-07 | Composite electrode material with simple process and excellent electrochemical performance and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977052A (en) |
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 |
| CN104779078A (en) * | 2015-04-03 | 2015-07-15 | 安徽江威精密制造有限公司 | Carbon nanotube/modified straw composite electrode material and preparation method thereof |
| CN104795246A (en) * | 2015-04-03 | 2015-07-22 | 安徽江威精密制造有限公司 | Composite electrode material with excellent electric storage performance and method for manufacturing composite electrode material |
-
2016
- 2016-04-07 CN CN201610213889.0A patent/CN105977052A/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 |
| CN104779078A (en) * | 2015-04-03 | 2015-07-15 | 安徽江威精密制造有限公司 | Carbon nanotube/modified straw composite electrode material and preparation method thereof |
| CN104795246A (en) * | 2015-04-03 | 2015-07-22 | 安徽江威精密制造有限公司 | Composite electrode material with excellent electric storage performance and method for manufacturing composite electrode material |
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》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326007B (en) | The preparation method of three-dimensional graphite thiazolinyl tin dioxide composite material and application thereof | |
| CN107359053B (en) | Graphene/carbon nano-cellulose complex carbon material and its preparation method and application | |
| CN107128918A (en) | A kind of preparation and its application of N doping porous active Carbon Materials | |
| CN106098397B (en) | NiSe-Ni for supercapacitor3Se2Three-dimensional pine needle shape nano material and preparation method thereof | |
| CN108597910A (en) | A kind of nitrogen boron codope porous carbon materials and its preparation method and application | |
| CN106348295A (en) | Preparation method of walnut shell active carbon | |
| CN105720246A (en) | Granular tin dioxide/two-dimensional nanometer titanium carbide composite material and application thereof | |
| CN103072986A (en) | Method for preparing cotton stalk based active carbon electrode material by adopting gradient constant-temperature activation method | |
| CN103441246A (en) | Preparation method and application of three-dimensional nitrogen-doped graphene base tin dioxide composite material | |
| CN108545712A (en) | A method of synthesizing multi-stage porous carbon material with salt template carbonization ZIF-8 | |
| CN105977043A (en) | Supercapacitor electrode material added with modified lignite and preparation method thereof | |
| CN104649267A (en) | Preparation method of activated carbon for making supercapacitors | |
| CN103803550B (en) | A kind of preparation method of asphalt based active carbon | |
| CN105140052A (en) | Super-capacitor carbon electrode material preparation method based on taxodiaceae plant cones | |
| CN105692617A (en) | Method for preparing porous lithium ion battery carbon electrode material based on rape seed husks | |
| CN105405681A (en) | Preparation method of graphene-activated carbon composite electrode material | |
| CN104627976A (en) | Preparation method of meso-porous carbon aerogel with high specific surface area | |
| CN107680826B (en) | A kind of preparation method of the layering porous active carbon electrode material for supercapacitor | |
| CN103839690A (en) | Nitrogen-doped graphene composite material, preparation method of nitrogen-doped graphene composite material, electrode sheet and super capacitor | |
| Hou et al. | High specific surface area activated carbon with well-balanced micro/mesoporosity for ultrahigh supercapacitive performance | |
| CN103545115A (en) | Graphene-carbon nano tube composite material, preparation method thereof and super capacitor | |
| CN106024406A (en) | Barium titanate-doped super capacitor electrode material having high dielectric constant and preparation method thereof | |
| CN105977054A (en) | Mixed doping electrode material capable of being applied to supercapacitor and preparation method thereof | |
| CN109755039A (en) | A kind of manganese oxide composite material preparation method based on red bayberry biomass carbon sill and application | |
| CN104882294A (en) | Porous straw-based electrode material with high specific surface area and method of preparation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |
|
| RJ01 | Rejection of invention patent application after publication |