CN104779061A - Waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with high specific surface area and preparation method of composite electrode material - Google Patents
Waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with high specific surface area and preparation method of composite electrode material Download PDFInfo
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- CN104779061A CN104779061A CN201510155403.8A CN201510155403A CN104779061A CN 104779061 A CN104779061 A CN 104779061A CN 201510155403 A CN201510155403 A CN 201510155403A CN 104779061 A CN104779061 A CN 104779061A
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- activated carbon
- electrode material
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- pvc
- surface area
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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
-
- 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
- H01G11/84—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 waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with a high specific surface area. The waste PVC-based activated carbon composite electrode material is characterized by being prepared from raw materials in parts by weight as follows: 2-3 parts of conductive graphite, 1-2 parts of titanium sesquioxide, 2-3 parts of iron powder, 1-2 parts of manganese nitride, 1-2 parts of penta-chromium tri-boron, 110-130 parts of modified waste-PVC-based activated carbon, 1-2 parts of an epoxy resin emulsion, 10-15 parts of distilled water and 1-2 parts of a silane coupling agent A151. The electrode material activated carbon prepared from waste PVC has the advantages of large specific surface area, high electric conductivity and the like, reasonable utilization of resources is realized, the environment pollution problem is solved, the electric conductivity of activated carbon as well as the mechanical performance and the tap density are enhanced by the aid of the conductive graphite and the iron powder, and the performance of a super capacitor is improved.
Description
Technical field
The present invention relates to chemical energy source Material Field, particularly a kind of high-specific surface area discards PVC matrix activated carbon combination electrode material and preparation method thereof.
Background technology
Ultracapacitor is the high energy of a kind of performance between battery and traditional capacitor, green energy storage device, due to it have that power density is high, the advantage such as charge/discharge rates is fast, have extended cycle life and operating temperature range is wide, thus obtain a wide range of applications in multiple fields such as electric automobile, communication, E-consumers.According to the difference of energy storage mechnism, ultracapacitor can be divided into double electric layer capacitor and Faradic pseudo-capacitor, wherein double electric layer capacitor utilizes the interfacial electric double layer electric capacity formed between electrode and electrolyte to carry out stored energy, Faradic pseudo-capacitor be electrode surface or body mutually in two dimension or accurate two-dimensional space on, carry out underpotential deposition by electrode active material, make it carry out energy storage by Faradic electricity charge transfer reaction.The character of electrode material decides the performance of ultracapacitor, at present due to absorbent charcoal material there is excellent specific area, good conductivity, wide material sources, the advantage such as cheap be widely used in the electrode material of ultracapacitor.
Along with the extensive utilization of plastic products, cause the pollution of soil, air, environment, again because it is not easily degraded, the social danger brought is permanence, discarded PVC is prepared the active carbon with high-specific surface area by the present invention by physical-chemical reaction according to this situation, and the electrically conductive graphite, the iron powder that add enhance the conductivity of active carbon, mechanical performance and tap density, improve the performance of ultracapacitor.
Summary of the invention
The object of this invention is to provide a kind of high-specific surface area and discard PVC matrix activated carbon combination electrode material and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of high-specific surface area discards PVC matrix activated carbon combination electrode material, is made up: electrically conductive graphite 2-3, titanium sesquioxide 1-2, iron powder 2-3, nitrogenized manganese 1-2, three boronation five chromium 1-2, modified abandoned PVC matrix activated carbon 110-130, epoxy resin latex 1-2, distilled water 10-15, silane coupling A 151 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.
A kind of high-specific surface area of the present invention discards PVC matrix activated carbon combination electrode material, is specifically made up of following steps:
(1) by distilled water, epoxy resin latex 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 silane coupling A 151 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, the electrically conductive graphite, the iron powder that add enhance the conductivity of active carbon, mechanical performance and tap density, improve the performance of ultracapacitor.
specific embodiments
Below by instantiation, the present invention is described in detail.
A kind of high-specific surface area discards PVC matrix activated carbon combination electrode material, is made up: electrically conductive graphite 2, titanium sesquioxide 1, iron powder 3, nitrogenized manganese 1, three boronation five chromium 1, modified abandoned PVC matrix activated carbon 120, epoxy resin latex 2, distilled water 13, silane coupling A 151 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.
A kind of high-specific surface area of the present invention discards PVC matrix activated carbon combination electrode material, is specifically made up of following steps:
(1) by distilled water, epoxy resin latex 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 silane coupling A 151 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: 1.65F, internal resistance: 1.3 Ω m, circulation volume conservation rate (%): 98.6.
Claims (2)
1. a high-specific surface area discards PVC matrix activated carbon combination electrode material, it is characterized in that, be made up of the raw material of following weight portion: electrically conductive graphite 2-3, titanium sesquioxide 1-2, iron powder 2-3, nitrogenized manganese 1-2, three boronation five chromium 1-2, modified abandoned PVC matrix activated carbon 110-130, epoxy resin latex 1-2, distilled water 10-15, silane coupling A 151 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. a kind of high-specific surface area discards PVC matrix activated carbon combination electrode material according to claim 1, it is characterized in that, is specifically made up of following steps:
(1) by distilled water, epoxy resin latex 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 silane coupling A 151 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155403.8A CN104779061A (en) | 2015-04-02 | 2015-04-02 | Waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with high specific surface area and preparation method of composite electrode material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155403.8A CN104779061A (en) | 2015-04-02 | 2015-04-02 | Waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with high specific surface area and preparation method of composite electrode material |
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| CN104779061A true CN104779061A (en) | 2015-07-15 |
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| CN201510155403.8A Pending CN104779061A (en) | 2015-04-02 | 2015-04-02 | Waste PVC (polyvinyl chloride)-based activated carbon composite electrode material with high specific surface area and preparation method of composite electrode material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977041A (en) * | 2016-04-07 | 2016-09-28 | 铜陵泰力电子有限公司 | Cerium-manganese doping supercapacitor electrode material capable of prolonging cycle life and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201510155403.8A patent/CN104779061A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977041A (en) * | 2016-04-07 | 2016-09-28 | 铜陵泰力电子有限公司 | Cerium-manganese doping supercapacitor electrode material capable of prolonging cycle life and preparation method thereof |
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Application publication date: 20150715 |
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