CN104867689A - Waste PVC based electrode material with high energy storage capacity and preparation method thereof - Google Patents
Waste PVC based electrode material with high energy storage capacity and preparation method thereof Download PDFInfo
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- CN104867689A CN104867689A CN201510155414.6A CN201510155414A CN104867689A CN 104867689 A CN104867689 A CN 104867689A CN 201510155414 A CN201510155414 A CN 201510155414A CN 104867689 A CN104867689 A CN 104867689A
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- electrode material
- pvc
- high energy
- discarded
- energy storage
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- 239000007772 electrode material Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000004146 energy storage Methods 0.000 title abstract description 4
- 239000002699 waste material Substances 0.000 title abstract 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 7
- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000012153 distilled water Substances 0.000 claims abstract description 7
- KOVKEDGZABFDPF-UHFFFAOYSA-N n-(triethoxysilylmethyl)aniline Chemical compound CCO[Si](OCC)(OCC)CNC1=CC=CC=C1 KOVKEDGZABFDPF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006004 Quartz sand Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 12
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 229910052891 actinolite Inorganic materials 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 229940008099 dimethicone Drugs 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 6
- WBFZBNKJVDQAMA-UHFFFAOYSA-D dipotassium;zirconium(4+);pentacarbonate Chemical compound [K+].[K+].[Zr+4].[Zr+4].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O WBFZBNKJVDQAMA-UHFFFAOYSA-D 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 6
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 239000012286 potassium permanganate Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a waste PVC based electrode material with high energy storage capacity. The material is characterized in that the material is prepared by the following parts of raw materials by weight: polyethylene glycol 1-2, vanadium trioxide 2-3, tin powder 3-5, valve metal 1-2, quartz sand 0.5-1, magnesium oxide 1-2, modified waste PVC based active carbon 100-130, distilled water 12-15 and anilino-methyl-triethoxysilane 1-2. According to preparation, waste PVC is utilized to prepare high specific surface area, porous and high-conductivity electrode material to act as a substrate, and safe, environment-friendly and nontoxic tin powder and vanadium trioxide and other material are doped to prepare a super-capacitor with high energy density and high energy storage capacity so that environmental pollution is solved, waste is reutilized and thus natural resources are saved.
Description
Technical field
The present invention relates to chemical energy source Material Field, discarded PVC base electrode material that particularly a kind of stored energy capacitance is high and preparation method thereof.
Background technology
In today that energy source height consumes, earth fossil fuel is petered out, and tellurian oil will be exhausted after about 50 years to have scientist to foretell, the mankind must find the reproducible energy.The energy density of traditional chemical cell is very high, but power density is lower, and the discharge and recharge time is long, can not carry out the storage of intermittent energy.Ultracapacitor is a class newly energy energy storage material of high speed development in recent years, and have very high power density, long service life, discharge and recharge rapidly, are desirable storage mediums.Ultracapacitor is divided into two classes according to charge storage mechanisms: a class is electrochemical capacitor in double electrode layer, the electrode material mainly material with carbon element of such capacitor; Another kind of is Faraday pseudo-capacitance device, the electrode material mainly transition metal oxide of such capacitor.Absorbent charcoal material is with low cost, and specific area is large, and conductivity is good, but energy density is lower.The energy density of transition metal oxide is high, good conductivity, shortcoming is exactly expensive, the active carbon that the present invention is good based on conductivity, specific area is high, doping has the materials such as safety and environmental protection, nontoxic glass putty and vanadium trioxide, the ultracapacitor prepared has high energy density and high stored energy capacitance, the present invention also utilizes discarded PVC to prepare active carbon through series of process such as charing, activation, not only solve environmental pollution, and secondary utilization is carried out to refuse, save natural resources.
Summary of the invention
The object of this invention is to provide high discarded PVC base electrode material of a kind of stored energy capacitance and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
The discarded PVC base electrode material that stored energy capacitance is high, is made up of the raw material of following weight portion: polyethylene glycol 1-2, vanadium trioxide 2-3, glass putty 3-5, valve metal 1-2, quartz sand 0.5-1, magnesium oxide 1-2, modified abandoned PVC matrix activated carbon 100-130, distilled water 12-15, anilinomethyl triethoxysilane 1-2;
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion: actinolite powder 5-6, magnesium sulfate 2-3, aluminate coupling agent DL-4112-3, medical stone powder 2-4, bamboo charcoal 6-10, dimethicone 1-2, discarded PVC material 300-500, polystyrene microsphere 5-8, potassium permanganate 20-30, potassium zirconium carbonate 2-3, cyclohexanone 100-150; Discarded PVC material and polystyrene microsphere are added in cyclohexanone to dissolve by preparation method; add actinolite powder again, medical stone powder, bamboo charcoal stir; raised temperature is to 60-80 ° of C; add dimethicone, aluminate coupling agent DL-411, magnesium sulfate, potassium zirconium carbonate stirring reaction 1-2 hour again; be added to extrusion granulator in double helix machine; the particle made is added in carbon firing stove; mix with potassium permanganate and under 700-800 ° of C, calcine 2-4 hour under the protection of nitrogen, naturally cool to room temperature and pulverize.
The discarded PVC base electrode material that a kind of stored energy capacitance of the present invention is high, be specifically made up of following steps:
(1) by distilled water, polyethylene glycol 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 anilinomethyl 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 prepares and utilizes that discarded PVC prepares high-specific surface area, porous, electrode material that conductivity is high are matrix, doping has the materials such as safety and environmental protection, nontoxic glass putty and vanadium trioxide, the ultracapacitor prepared has high energy density and high stored energy capacitance, not only solve environmental pollution, and secondary utilization is carried out to refuse, save natural resources.
specific embodiments
Below by instantiation, the present invention is described in detail.
The discarded PVC base electrode material that stored energy capacitance is high, is made up of the raw material of following weight portion (kilogram): polyethylene glycol 2, vanadium trioxide 3, glass putty 5, valve metal 2, quartz sand 0.5, magnesium oxide 1, modified abandoned PVC matrix activated carbon 120, distilled water 15, anilinomethyl triethoxysilane 1;
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion (kilogram): actinolite powder 5, magnesium sulfate 3, aluminate coupling agent DL-4112, medical stone powder 3, bamboo charcoal 8, dimethicone 1, discarded PVC material 500, polystyrene microsphere 7, potassium permanganate 30, potassium zirconium carbonate 3, cyclohexanone 130; Discarded PVC material and polystyrene microsphere are added in cyclohexanone to dissolve by preparation method; add actinolite powder again, medical stone powder, bamboo charcoal stir; raised temperature is to 60-80 ° of C; add dimethicone, aluminate coupling agent DL-411, magnesium sulfate, potassium zirconium carbonate stirring reaction 1-2 hour again; be added to extrusion granulator in double helix machine; the particle made is added in carbon firing stove; mix with potassium permanganate and under 700-800 ° of C, calcine 2-4 hour under the protection of nitrogen, naturally cool to room temperature and pulverize.
The discarded PVC base electrode material that a kind of stored energy capacitance of the present invention is high, be specifically made up of following steps:
(1) by distilled water, polyethylene glycol 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 anilinomethyl 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: 1.67F, internal resistance: 1.3 Ω m, circulation volume conservation rate (%): 98.5.
Claims (2)
1. the discarded PVC base electrode material that a stored energy capacitance is high, it is characterized in that, be made up of the raw material of following weight portion: polyethylene glycol 1-2, vanadium trioxide 2-3, glass putty 3-5, valve metal 1-2, quartz sand 0.5-1, magnesium oxide 1-2, modified abandoned PVC matrix activated carbon 100-130, distilled water 12-15, anilinomethyl triethoxysilane 1-2;
Described modified abandoned PVC matrix activated carbon is made up of the raw material of following weight portion: actinolite powder 5-6, magnesium sulfate 2-3, aluminate coupling agent DL-4112-3, medical stone powder 2-4, bamboo charcoal 6-10, dimethicone 1-2, discarded PVC material 300-500, polystyrene microsphere 5-8, potassium permanganate 20-30, potassium zirconium carbonate 2-3, cyclohexanone 100-150; Discarded PVC material and polystyrene microsphere are added in cyclohexanone to dissolve by preparation method; add actinolite powder again, medical stone powder, bamboo charcoal stir; raised temperature is to 60-80 ° of C; add dimethicone, aluminate coupling agent DL-411, magnesium sulfate, potassium zirconium carbonate stirring reaction 1-2 hour again; be added to extrusion granulator in double helix machine; the particle made is added in carbon firing stove; mix with potassium permanganate and under 700-800 ° of C, calcine 2-4 hour under the protection of nitrogen, naturally cool to room temperature and pulverize.
2. the discarded PVC base electrode material that a kind of stored energy capacitance is high according to claim 1, is characterized in that, be specifically made up of following steps:
(1) by distilled water, polyethylene glycol 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 anilinomethyl 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155414.6A CN104867689A (en) | 2015-04-02 | 2015-04-02 | Waste PVC based electrode material with high energy storage capacity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155414.6A CN104867689A (en) | 2015-04-02 | 2015-04-02 | Waste PVC based electrode material with high energy storage capacity and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104867689A true CN104867689A (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510155414.6A Pending CN104867689A (en) | 2015-04-02 | 2015-04-02 | Waste PVC based electrode material with high energy storage capacity and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104867689A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373667A (en) * | 2008-09-17 | 2009-02-25 | 四川大学 | High potential super capacitor electrode material and preparing method thereof |
| 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 |
| KR20110097197A (en) * | 2010-02-25 | 2011-08-31 | 삼화콘덴서공업주식회사 | Electrode of super capacitor for high power and manufacturing method thereof |
| CN102804301A (en) * | 2009-06-26 | 2012-11-28 | 新加坡南洋理工大学 | Energy charge storage device using a printable polyelectrolyte as electrolyte material |
| CN103258653A (en) * | 2013-04-15 | 2013-08-21 | 武汉理工大学 | Vanadium oxide and carbon composite material with hierarchical pore structure and preparation method thereof |
| CN104078247A (en) * | 2014-07-22 | 2014-10-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite electrode material vanadium trioxide or carbon for super capacitor and preparation method thereof |
-
2015
- 2015-04-02 CN CN201510155414.6A patent/CN104867689A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373667A (en) * | 2008-09-17 | 2009-02-25 | 四川大学 | High potential super capacitor electrode material and preparing method thereof |
| CN102804301A (en) * | 2009-06-26 | 2012-11-28 | 新加坡南洋理工大学 | Energy charge storage device using a printable polyelectrolyte as electrolyte material |
| 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 |
| KR20110097197A (en) * | 2010-02-25 | 2011-08-31 | 삼화콘덴서공업주식회사 | Electrode of super capacitor for high power and manufacturing method thereof |
| CN103258653A (en) * | 2013-04-15 | 2013-08-21 | 武汉理工大学 | Vanadium oxide and carbon composite material with hierarchical pore structure and preparation method thereof |
| CN104078247A (en) * | 2014-07-22 | 2014-10-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite electrode material vanadium trioxide or carbon for super capacitor and preparation method thereof |
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Application publication date: 20150826 |