CN104851600A - Porous active carbon-based composite electrode material prepared by using waste PVC and preparation method - Google Patents
Porous active carbon-based composite electrode material prepared by using waste PVC and preparation method Download PDFInfo
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- CN104851600A CN104851600A CN201510155408.0A CN201510155408A CN104851600A CN 104851600 A CN104851600 A CN 104851600A CN 201510155408 A CN201510155408 A CN 201510155408A CN 104851600 A CN104851600 A CN 104851600A
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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
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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 a porous active carbon-based composite electrode material prepared by using waste PVC, and is characterized by being prepared from the following raw materials in parts by weight: 1 part to 2 parts of magnesium silicide, 1 part to 2 parts of iron oxide, 1 part to 2 part of lithium nickelate, 1 part to 2 parts of boron powder, 2 to 3 parts of molybdenum disulfide powder, 110 to 120 parts of modified waste PVC-based active carbon, 10 to 15 parts of distilled water, 1 part to 3 parts of urea, 2 to 3 parts of white granulated sugar, and 1 part to 2 parts of methyl triethoxysilane. Electrode material active carbon prepared by using the waste PVC has the advantages of a large specific surface area and high conductivity, resources are utilized in a rationalized manner, the problem of environmental pollution is solved, the active carbon is doped with the boron powder, molybdenum disulfide powder and the like, conductivity and mechanical properties of a carbon-based material are improved, and in addition, the molybdenum disulfide powder can reduce repulsive force between the doped materials and increase tap density of the material, thereby improving the specific capacitance of a supercapacitor.
Description
Technical field
The present invention relates to chemical energy source Material Field, particularly the discarded PVC of a kind of utilization prepares absorbent charcoal based combination electrode material of porousness and preparation method thereof.
Background technology
Super capacitor is electrical energy storage system, and it is very useful in the application needing to convert electrical energy into high energy.It has the ability of quick charge and electric discharge, and has higher useful life compared to high-energy battery, because these advantages make it have a wide range of applications at numerous areas.
PVC is one of five large general synthetic resins in synthetic material, its output is only second to polyethylene, occupy second, current China PVC soft goods accounts for 45%, boardy product accounts for 55%, wherein the consumption proportion of boardy product in the trend that rises year by year along with the growth of output and consumption figure, discarded PVC amount is also along with growth, how to recycle ever-increasing useless PVC and become problem in the urgent need to address, along with the development of science and technology, waste plastics, particularly the new technology of the recycling of plastic containing chlorine is in continuous development, the new technology of present exploitation has solvent method, Mechanical Method, chemical method etc., but experiment shows that effect is all undesirable.The electrode material conventional for ultracapacitor is porousness active carbon, there is good specific area, conductivity and the advantage such as cheap, the present invention utilizes discarded PVC to prepare electrode for super capacitor material, doped with boron powder and molybdenum disulphide powder etc., improve the conductivity of carbon based material, mechanical performance etc., and molybdenum disulphide powder can reduce the repulsive force between the material of doping, increase the tap density of material, improve the specific capacitance of ultracapacitor.
Summary of the invention
The object of this invention is to provide the discarded PVC of a kind of utilization and prepare absorbent charcoal based combination electrode material of porousness and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
The discarded PVC of a kind of utilization prepares the absorbent charcoal based combination electrode material of porousness, is made up: magnesium silicide 1-2, iron oxide 1-2, lithium nickelate 1-2, boron powder 1-2, molybdenum disulphide powder 2-3, modified abandoned PVC matrix activated carbon 110-120, distilled water 10-15, urea 1-3, white granulated sugar 2-3, methyl triethoxysilane 1-2 of the raw material of following weight portion;
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion: sodium sulphate 2-3, alum 1-2, tourmaline 2-3, aminopropyl triethoxysilane 2-3, calcium stearate 1-2, aluminum nitride powder 1-2, graphene oxide 1-2, discarded PVC material 400-500, calcium hydroxide 15-25,20% sulfuric acid 30-50; Preparation method obtains the pellet of particle diameter at 5-10mm by after discarded PVC material fragmentation, screening, gained pellet and calcium hydroxide are passed in retort, pass into the steam being preheated to 300 ° of C, rapid raised temperature carries out carbonizing, activating to 800-900 ° of C, be added to after being cooled to normal temperature in the sulfuric acid of 20%, 3-5 hour is reacted under 60-70 ° of C, spend deionized water again to neutral, be mixed and heated to 70-90 ° of C stirring reaction 30-50 minute with aminopropyl triethoxysilane and remaining remaining material thereof, grind after drying.
One of the present invention utilizes discarded PVC to prepare the absorbent charcoal based combination electrode material of porousness, is specifically made up of following steps:
(1) by distilled water, urea, white granulated sugar and modified abandoned PVC matrix activated carbon mixing and stirring, be heated to 50-60 ° of C, form slurry, for subsequent use after spraying dry;
(2) by the product of step (1) and methyl triethoxysilane and remaining surplus materials mixed grinding thereof, grinding is placed in tube furnace, pass into pure ammonia, annealing in process 2-4 hour at 400-600 ° of C temperature, obtain the discarded PVC based combined electrode material that nitrogen is coated.
Advantage of the present invention is: the present invention utilizes discarded PVC to prepare electrode material activity charcoal, have that specific area is large, conductance advantages of higher, Resource Rationalization is utilized, solve the problem of environmental pollution, doped with boron powder and molybdenum disulphide powder etc., improve the conductivity of carbon based material, the effect of mechanical performance, and molybdenum disulphide powder can reduce doping material between repulsive force, increase the tap density of material, improve the specific capacitance of ultracapacitor.
specific embodiments
Below by instantiation, the present invention is described in detail.
The discarded PVC of a kind of utilization prepares the absorbent charcoal based combination electrode material of porousness, is made up: magnesium silicide 1, iron oxide 2, lithium nickelate 2, boron powder 2, molybdenum disulphide powder 3, modified abandoned PVC matrix activated carbon 110, distilled water 15, urea 2, white granulated sugar 3, methyl triethoxysilane 1 of the raw material of following weight portion (kilogram);
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion (kilogram): the sulfuric acid 45 of sodium sulphate 2, alum 1, tourmaline 2, aminopropyl triethoxysilane 2, calcium stearate 1, aluminum nitride powder 2, graphene oxide 2, discarded PVC material 500, calcium hydroxide 20,20%; Preparation method obtains the pellet of particle diameter at 5-10mm by after discarded PVC material fragmentation, screening, gained pellet and calcium hydroxide are passed in retort, pass into the steam being preheated to 300 ° of C, rapid raised temperature carries out carbonizing, activating to 800-900 ° of C, be added to after being cooled to normal temperature in the sulfuric acid of 20%, 3-5 hour is reacted under 60-70 ° of C, spend deionized water again to neutral, be mixed and heated to 70-90 ° of C stirring reaction 30-50 minute with aminopropyl triethoxysilane and remaining remaining material thereof, grind after drying.
One of the present invention utilizes discarded PVC to prepare the absorbent charcoal based combination electrode material of porousness, is specifically made up of following steps:
(1) by distilled water, urea, white granulated sugar and modified abandoned PVC matrix activated carbon mixing and stirring, be heated to 50-60 ° of C, form slurry, for subsequent use after spraying dry;
(2) by the product of step (1) and methyl triethoxysilane and remaining surplus materials mixed grinding thereof, grinding is placed in tube furnace, pass into pure ammonia, annealing in process 2-4 hour at 400-600 ° of C temperature, obtain the discarded PVC based combined electrode material that nitrogen is coated.
Proportionally mix with the electrode material in embodiment and conductive agent, binding agent, add a small amount of absolute ethyl alcohol to mix, uniform application vacuumize on stainless (steel) wire collector, take saturated calomel electrode as reference electrode, polytetrafluoroethylene is barrier film, with the KOH electrolyte aqueous solution of 6mol/l for electrolyte, in the scope of 1.2-2.5V, under constant current (5mA), carry out loop test, capacity: 1.72F, internal resistance: 1.5 Ω m, circulation volume conservation rate (%): 98.6.
Claims (2)
1. one kind utilizes discarded PVC to prepare the absorbent charcoal based combination electrode material of porousness, it is characterized in that, be made up of the raw material of following weight portion: magnesium silicide 1-2, iron oxide 1-2, lithium nickelate 1-2, boron powder 1-2, molybdenum disulphide powder 2-3, modified abandoned PVC matrix activated carbon 110-120, distilled water 10-15, urea 1-3, white granulated sugar 2-3, methyl triethoxysilane 1-2;
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion: sodium sulphate 2-3, alum 1-2, tourmaline 2-3, aminopropyl triethoxysilane 2-3, calcium stearate 1-2, aluminum nitride powder 1-2, graphene oxide 1-2, discarded PVC material 400-500, calcium hydroxide 15-25,20% sulfuric acid 30-50; Preparation method obtains the pellet of particle diameter at 5-10mm by after discarded PVC material fragmentation, screening, gained pellet and calcium hydroxide are passed in retort, pass into the steam being preheated to 300 ° of C, rapid raised temperature carries out carbonizing, activating to 800-900 ° of C, be added to after being cooled to normal temperature in the sulfuric acid of 20%, 3-5 hour is reacted under 60-70 ° of C, spend deionized water again to neutral, be mixed and heated to 70-90 ° of C stirring reaction 30-50 minute with aminopropyl triethoxysilane and remaining remaining material thereof, grind after drying.
2. the discarded PVC of a kind of utilization prepares the absorbent charcoal based combination electrode material of porousness according to claim 1, it is characterized in that, is specifically made up of following steps:
(1) by distilled water, urea, white granulated sugar and modified abandoned PVC matrix activated carbon mixing and stirring, be heated to 50-60 ° of C, form slurry, for subsequent use after spraying dry;
(2) by the product of step (1) and methyl triethoxysilane and remaining surplus materials mixed grinding thereof, grinding is placed in tube furnace, pass into pure ammonia, annealing in process 2-4 hour at 400-600 ° of C temperature, obtain the discarded PVC based combined electrode material that nitrogen is coated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510155408.0A CN104851600A (en) | 2015-04-02 | 2015-04-02 | Porous active carbon-based composite electrode material prepared by using waste PVC and preparation method |
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| CN201510155408.0A CN104851600A (en) | 2015-04-02 | 2015-04-02 | Porous active carbon-based composite electrode material prepared by using waste PVC and preparation method |
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| CN104851600A true CN104851600A (en) | 2015-08-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567493A (en) * | 2003-07-03 | 2005-01-19 | 中国科学院电工研究所 | A composite carbon-based electrode material for super capacitor and method for making same |
| KR20060053484A (en) * | 2004-11-16 | 2006-05-22 | 코칩 주식회사 | Method for manufacturing of active carbon electrode using super-capacitor and pellet type active carbon electrode manufactured thereof |
| CN101079510A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | A super capacitance cell |
| CN101708842A (en) * | 2009-11-13 | 2010-05-19 | 南开大学 | Method for preparing high specific surface area active carbon by using polyvinyl chloride wastes |
| CN102064024A (en) * | 2009-11-11 | 2011-05-18 | 青岛生物能源与过程研究所 | Preparation method of activated carbon/metal nitride composite electrode material for supercapacitor |
-
2015
- 2015-04-02 CN CN201510155408.0A patent/CN104851600A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567493A (en) * | 2003-07-03 | 2005-01-19 | 中国科学院电工研究所 | A composite carbon-based electrode material for super capacitor and method for making same |
| KR20060053484A (en) * | 2004-11-16 | 2006-05-22 | 코칩 주식회사 | Method for manufacturing of active carbon electrode using super-capacitor and pellet type active carbon electrode manufactured thereof |
| CN101079510A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | A super capacitance cell |
| CN102064024A (en) * | 2009-11-11 | 2011-05-18 | 青岛生物能源与过程研究所 | Preparation method of activated carbon/metal nitride composite electrode material for supercapacitor |
| CN101708842A (en) * | 2009-11-13 | 2010-05-19 | 南开大学 | Method for preparing high specific surface area active carbon by using polyvinyl chloride wastes |
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Application publication date: 20150819 |
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