CN104867686A - Silver-tin-alloy-doped composite active carbon electrode material and preparation method thereof - Google Patents
Silver-tin-alloy-doped composite active carbon electrode material and preparation method thereof Download PDFInfo
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- CN104867686A CN104867686A CN201510155405.7A CN201510155405A CN104867686A CN 104867686 A CN104867686 A CN 104867686A CN 201510155405 A CN201510155405 A CN 201510155405A CN 104867686 A CN104867686 A CN 104867686A
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- silver
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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
- H01G11/22—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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
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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 silver-tin-alloy-doped composite active carbon electrode material. The silver-tin-alloy-doped composite active carbon electrode material is characterized in that the material comprises the following raw materials, by weight: 1 to 2 parts of silver-tin alloy, 2 to 3 parts of cobaltosic oxide, 2 to 3 parts of Li2FeSiO4, 1 to 2 parts of nano nickel sulfide, 1 to 2 parts of hafnium oxide, 110 to 120 parts of modified wasted PVC-base4d active carbons, 1 to 2 parts of titanate coupling agents, 10 to 15 parts of distilled water, and 1 to 2 parts of carboxymethyl cellulose. The wasted PVC material is used for preparing the active carbon of the electrode material and thus advantages of large specific area and high electric conductivity and the like are realized; the resources can be utilized reasonably; and a problem of environment pollution is solved. With the silver-tin alloy attached to the carbon-based material surface, the conductivity, stability, and electrochemical performances of the electrode are improved; and due to the doped cobaltosic oxide, the capacitor has the good stabile circulation performance. The provided electrode material is a novel one.
Description
Technical field
The present invention relates to chemical energy source Material Field, particularly a kind of composite reactive carbon electrode material and preparation method thereof of silver-doped ashbury metal.
Background technology
Along with people are to the growing interest of energy problem, ultracapacitor is high as a kind of energy density, have extended cycle life and Novel energy storage apparatus that fail safe is high is subject to the attention of various countries.Ultracapacitor is also known as electrochemical capacitor, and its electrode material is the most key part, is also the principal element determining its performance, and therefore exploitation has the key problem that the electrode material of excellent properties is ultracapacitor research.Silver ashbury metal have mechanical strength high, conduct electricity very well, the advantages such as ultra-voltage is low, saving electric energy, life-span length, the effect of conductivity, stability, electro-chemical properties etc. can be improved in the surface being attached to charcoal base electrode material, and doped cobaltic-cobaltous oxide makes capacitor have good stable circulation performance, electrode material of the present invention can be used as a kind of novel electrode material.
Summary of the invention
The object of this invention is to provide composite reactive carbon electrode material of a kind of silver-doped ashbury metal and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A composite reactive carbon electrode material for silver-doped ashbury metal, is made up of the raw material of following weight portion: silver-colored ashbury metal 1-2, cobaltosic oxide 2-3, ferrosilicon silicate of lithium 2-3, nano nickel sulphide 1-2, hafnium oxide 1-2, modified abandoned PVC matrix activated carbon 110-120, titanate coupling agent 1-2, distilled water 10-15, carboxymethyl cellulose 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.
The composite reactive carbon electrode material of a kind of silver-doped ashbury metal of the present invention, be specifically made up of following steps:
(1) by distilled water, carboxymethyl cellulose 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) silver-colored ashbury metal is heated to the product of melting and step (1) and remaining surplus materials mixing and stirring thereof, be 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 silver-colored ashbury metal being attached to carbon based material surface improves the effect such as conductivity, stability, electro-chemical properties of electrode, the cobaltosic oxide of doping makes capacitor have good stable circulation performance, and electrode material of the present invention can be used as a kind of novel electrode material.
specific embodiments
Below by instantiation, the present invention is described in detail.
A composite reactive carbon electrode material for silver-doped ashbury metal, is made up of the raw material of following weight portion (kilogram): silver-colored ashbury metal 2, cobaltosic oxide 3, ferrosilicon silicate of lithium 3, nano nickel sulphide 1, hafnium oxide 2, modified abandoned PVC matrix activated carbon 120, titanate coupling agent 2, distilled water 14, carboxymethyl cellulose 2;
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.
The composite reactive carbon electrode material of a kind of silver-doped ashbury metal of the present invention, be specifically made up of following steps:
(1) by distilled water, carboxymethyl cellulose 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) silver-colored ashbury metal is heated to the product of melting and step (1) and remaining surplus materials mixing and stirring thereof, be 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: 1.73F, internal resistance: 1.6 Ω m, circulation volume conservation rate (%): 98.8.
Claims (2)
1. the composite reactive carbon electrode material of a silver-doped ashbury metal, it is characterized in that, be made up of the raw material of following weight portion: silver-colored ashbury metal 1-2, cobaltosic oxide 2-3, ferrosilicon silicate of lithium 2-3, nano nickel sulphide 1-2, hafnium oxide 1-2, modified abandoned PVC matrix activated carbon 110-120, titanate coupling agent 1-2, distilled water 10-15, carboxymethyl cellulose 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 composite reactive carbon electrode material of a kind of silver-doped ashbury metal according to claim 1, is characterized in that, be specifically made up of following steps:
(1) by distilled water, carboxymethyl cellulose 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) silver-colored ashbury metal is heated to the product of melting and step (1) and remaining surplus materials mixing and stirring thereof, be 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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| CN201510155405.7A CN104867686A (en) | 2015-04-02 | 2015-04-02 | Silver-tin-alloy-doped composite active carbon electrode material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247397A (en) * | 2020-11-02 | 2021-01-22 | 合肥邦诺科技有限公司 | Composite brazing filler metal for brazing aluminum nitride ceramic and metal and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004043859A3 (en) * | 2002-11-13 | 2004-10-21 | Showa Denko Kk | Active carbon, production method thereof and polarizable electrode |
| CN1763251A (en) * | 2005-08-24 | 2006-04-26 | 天津大学 | Structure, constitution of electrocatalytic hydrogen evolution electrode and manufacturing method thereof |
| CN1937292A (en) * | 2005-09-23 | 2007-03-28 | 三星Sdi株式会社 | Membrane electrode assembly and fuel cell system including the same |
| 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 |
-
2015
- 2015-04-02 CN CN201510155405.7A patent/CN104867686A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004043859A3 (en) * | 2002-11-13 | 2004-10-21 | Showa Denko Kk | Active carbon, production method thereof and polarizable electrode |
| CN1763251A (en) * | 2005-08-24 | 2006-04-26 | 天津大学 | Structure, constitution of electrocatalytic hydrogen evolution electrode and manufacturing method thereof |
| CN1937292A (en) * | 2005-09-23 | 2007-03-28 | 三星Sdi株式会社 | Membrane electrode assembly and fuel cell system including the same |
| 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 |
|---|---|---|---|---|
| CN112247397A (en) * | 2020-11-02 | 2021-01-22 | 合肥邦诺科技有限公司 | Composite brazing filler metal for brazing aluminum nitride ceramic and metal and preparation method thereof |
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Application publication date: 20150826 |
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