CN104681307A - Preparation method of oxygen and nitrogen co-supported activated carbon electrode - Google Patents
Preparation method of oxygen and nitrogen co-supported activated carbon electrode Download PDFInfo
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- CN104681307A CN104681307A CN201510121653.XA CN201510121653A CN104681307A CN 104681307 A CN104681307 A CN 104681307A CN 201510121653 A CN201510121653 A CN 201510121653A CN 104681307 A CN104681307 A CN 104681307A
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- nitrogen
- oxygen
- active carbon
- activated carbon
- nitrogenous
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 18
- 239000001301 oxygen Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000012986 modification Methods 0.000 claims abstract description 8
- 230000004048 modification Effects 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 32
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000006230 acetylene black Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 2
- 238000007654 immersion Methods 0.000 claims 1
- -1 nitrogenous activated carbon electrodes Chemical class 0.000 claims 1
- 238000004088 simulation Methods 0.000 claims 1
- 239000007772 electrode material Substances 0.000 abstract description 11
- 125000000524 functional group Chemical group 0.000 abstract description 5
- 230000004913 activation Effects 0.000 abstract description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000003763 carbonization Methods 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 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
- H01G11/84—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
-
- 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
- H01G11/44—Raw materials therefor, e.g. resins or coal
-
- 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)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a preparation method of an oxygen and nitrogen co-supported activated carbon electrode. Firstly nitrogen-containing activated carbon is prepared from waste nitrogen-containing shaving boards through carbonization and activation technologies, and then an oxygen supported electrode material for a new energy source double electric layer capacitor is further prepared through phosphorous acid modification. The oxygen and nitrogen co-supported activated carbon electrode is prepared by utilizing the characteristic that a urea resin adhesive in the waste shaving boards is rich in nitrogen element (10%), and also fully utilizing the combination of two different heteroatomic functional groups, so that the pseudocapacitance of a capacitor is increased, and the wettability of the electrode material in an electrolyte is improved; moreover, the electric capacity of the capacitor taking the activated carbon as the electrode material is effectively increased, and a new field of the activated carbon on electrode application is developed.
Description
Technical field: the preparation method that the present invention relates to a kind of oxygen, the common supported active carbon resistance rod of nitrogen, utilize discarded nitrogenous particieboard first to prepare nitrogenous active carbon by charing, activating process, and obtain oxygen, nitrogen altogether load type active carbon is for the electrode material of new forms of energy one double electric layer capacitor through phosphoric acid modification is oxygen-doped further, it belongs to the technical field of forest products biomass resource chemistry processing.The present invention not only make use of urea-formaldehyde resin adhesive in Waste particleboard and contains the feature of nitrogen element, also take full advantage of the combination of two kinds of different heteroatom functional groups, prepare oxygen, nitrogen supported active carbon electrode material altogether, not only increase the fake capacitance of capacitor, and improve electrode material wettability in the electrolytic solution, and then effectively increase active carbon and do the capacitance that electrode material prepares capacitor, open up the new world of active carbon on application of electrode.
Technical background: double electric layer capacitor is important energy storage device, the advantage in its specific power high (more than 10kW/kg) and life-span long (circulation more than 106 times) makes in the urgent need to developing its application in energy storage, the stand-by power supply of such as electronic equipment, the automobile for hybrid power is powered and solar energy, wind power generation electric storage device etc.But the power-performance of double electric layer capacitor and capacitance are all more much lower than rechargeable battery, therefore their application in high capacitance still have problems.Meanwhile, abundance, have the material with carbon elements such as the active carbon of flourishing pore structure, carbon nano-tube because of cheap, form of diverse (powder, fiber, tubulose, sheet, bulk, aeroge, compound etc.), easily processing, electrochemical properties is stable is current unique business-like electrode material for electric double layer capacitor.Therefore, the chemical property improving activated carbon electrodes is the important channel expanding double electric layer capacitor application.
At present, strengthen the conventional method of double electric layer capacitor capacitance at activated carbon surface introducing hetero-atoms (as: nitrogen, oxygen, phosphorus, sulphur, boron), heteroatomic introducing can the polarity of enhanced activity carbon surface, improves the attraction of active carbon to aqueous phase electrolyte solution.In addition, heteroatomic existence can impel the generation of fake capacitance, increase capacitance that can be wider.Such as, publication number is CN102360959A, publication date is disclose one " preparation method of rich N activated carbon electrodes " in the application for a patent for invention on February 22nd, 2012, the method adopts waste fiber plate to do raw material, take KOH as activator, be 3: 1 at alkali charcoal ratio, 800 degree of lower activation, 1 hour obtained rich N active carbon, and relatively improve this rich N active carbon as the capacitance of the double electric layer capacitor of electrode assembling and power-performance.And for example, publication number is CN102826538A, publication date is disclose " a kind of method that polymer modification prepares nitrogen-doped carbon material " in the patent of invention on September 17th, 2012, the method adopts organic compounds containing nitrogen as nitrogen presoma, utilize organic compounds containing nitrogen polymerization reaction take place on the carbonaceous material, form the compound of polymer with nitrogen and carbonaceous material and make the polymer with nitrogen carbonization in compound obtain nitrogen-doped carbon material by heat treatment.But, these single heteroatom functional group load material with carbon elements still can not meet the demand of current high-capacitance electronic equipment, and there is faraday's reaction in activated carbon electrodes in the acting in conjunction of two kinds of different heteroatom functional groups, larger fake capacitance can be excited, improve electrode material wettability in the electrolytic solution, improve hole utilance, therefore different types of heteroatom functional group load type active carbon is used for electrode material becomes development trend.
Summary of the invention: object of the present invention, increase little defect to overcome the single heteroatomic activated carbon electrodes capacitance of load, provide a kind of preparation method being obtained oxygen, the common supported active carbon resistance rod of nitrogen by nitrogenous active carbon through phosphoric acid modification, effectively improve the capacitance of activated carbon electrodes, expand the range of application of absorbent charcoal material as capacitor electrode material further.
Substance of the present invention comprises the following aspects:
1. be raw material with Waste particleboard, in retort, carbonize (with the heating rate of 10 DEG C/min from room temperature to 500 DEG C, be incubated 1 hour), after cooling, take out carbonizing production, carry out pulverization process, the sieve of mistake 35-65 day;
2. by the KOH solution of 50%, (solid KOH: carbide=3: 1) is fully flooded to carbide, dip time is 24 hours, the sample resistance furnace evaporating water of having flooded is placed in activation furnace, 1 hour is activated, obtained nitrogenous active carbon study under the state of 750 DEG C of nitrogen protections;
3. the hydrochloric acid of nitrogenous active carbon study 0.1mol/L boils 0.5 hour, then with distilled water to neutral, dries in an oven, obtain nitrogenous active carbon;
4. nitrogenous active carbon uses the phosphoric acid solution modification of 4mol/L further, the nitrogenous active carbon of every 3g soaks 24 hours through 150mL phosphoric acid solution, dry 48 hours at 100 DEG C in an oven with after Filter paper filtering, 0.5 hour is boiled with the sodium hydroxide solution of 0.1mol/L, be washed till neutrality with distilled water again, dry in an oven, obtain oxygen, (performance characterization is the common load type active carbon of nitrogen: nitrogen content: 1.19%, oxygen content: 10.81%, specific area: 1698m
2/ g; Iodine number: 2070mg/g, pore volume: 1.36cm
3/ g, micropore volume: 0.92cm
3/ g);
5. oxygen, nitrogen altogether load type active carbon through the levigate powder being less than 30 μm to particle diameter of agate mortar, above-mentioned active carbon, acetylene black and PTFE (60% emulsion) is taken than 87: 10: 3 by matter, add appropriate absolute ethyl alcohol fully to mix and size mixing, be dried to suitable viscosity suppress and be washed into the disk that diameter is 1cm, hand oil-pressure machine to be overlaid on etc. in large collector nickel foam with 10MPa pressure, to make electrode and vacuum drying is stand-by.Get two plate electrodes that quality is close, barrier film is made with alkaline battery nylon membrane, inject the KOH solution of 7mol/L and make electrolyte, be assembled into C/C symmetric double electric layer analog capacitor, carry out activated carbon electrodes prepared by electrochemical property test and demonstrate good electrochemical capacitor performance.(Electrochemical results: specific capacitance: 279F/g; Efficiency for charge-discharge 98.5%; The conservation rate of the ratio capacitance under 5A: 89.9%, is specially 251F/g, apparently higher than activated carbon electrodes capacitor about the 170F/g of single hetero-atom load.)
Claims (6)
1. the preparation method of an oxygen, nitrogen mutual load activated carbon electrodes, it is characterized in that utilizing the Lauxite in Waste particleboard to obtain nitrogenous activated carbon electrodes as nitrogenous source, and adopt phosphoric acid to carry out oxygen enrichment modification to it, obtain oxygen, nitrogen load type active carbon altogether, assemble double electric layer capacitor simulation electrode with this.
2. method as claimed in claim 1, it is characterized in that by the oxygen of drying, nitrogen altogether supported active carbon powder, acetylene black and 60% PTFE emulsion fully to mix at 87: 10: 3 in mass ratio, size mixing, hand oil-pressure machine to be overlaid on etc. in large collector nickel foam with 10MPa pressure, to make electrode and vacuum drying is stand-by.
3. method as claimed in claim 1, is characterized in that selecting nitrogenous raw material Waste particleboard directly to prepare nitrogenous active carbon, and cost of material is low and make full use of scrap feed material, realizes the resource of discarded object.
4. the method for claim 1, its feature also comprises the phosphoric acid solution immersion modification that every 3 grams of described rich nitrogen active carbon 150mL concentration are 4mol/L, and modification is at room temperature carried out, mild condition, destroys little to former nitrogenous active carbon.
5., as described in claim 1 or 4, its feature also comprises employing filter paper and filters the described nitrogenous active carbon through phosphoric acid dip process, and dries 48 hours at baking oven at 100 ± 2 DEG C.
6. as claimed in claim 5, it is characterized in that the oxygen prepared, nitrogen are total to load type active carbon NaOH solution and boil half an hour, then is washed till neutrality with distilled water, and it is stand-by to download oven for drying in 100 ± 2 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121653.XA CN104681307B (en) | 2015-03-20 | 2015-03-20 | A kind of preparation method of the common supported active carbon resistance rod of oxygen, nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121653.XA CN104681307B (en) | 2015-03-20 | 2015-03-20 | A kind of preparation method of the common supported active carbon resistance rod of oxygen, nitrogen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681307A true CN104681307A (en) | 2015-06-03 |
| CN104681307B CN104681307B (en) | 2017-11-21 |
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|---|---|---|---|
| CN201510121653.XA Expired - Fee Related CN104681307B (en) | 2015-03-20 | 2015-03-20 | A kind of preparation method of the common supported active carbon resistance rod of oxygen, nitrogen |
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| Country | Link |
|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140051A (en) * | 2015-09-29 | 2015-12-09 | 北京林业大学 | Preparation method for nitrogen and sulfur co-loaded activated carbon electrode |
| CN105870465A (en) * | 2016-05-25 | 2016-08-17 | 华南理工大学 | Preparation method of auto-doped carbon catalysis material based on activated sludge domestication |
| CN106024422A (en) * | 2016-05-25 | 2016-10-12 | 华南理工大学 | Method for preparing a capacitive electrode material by using domesticated activated sludge |
| CN111320173A (en) * | 2020-03-06 | 2020-06-23 | 浙江省林业科学研究院 | Preparation method of modified activated carbon material for capacitor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360959A (en) * | 2011-09-30 | 2012-02-22 | 金小娟 | Preparation method of N (nitrogen)-enriched activated carbon electrode |
| CN103539119A (en) * | 2013-10-30 | 2014-01-29 | 中国第一汽车股份有限公司 | Preparation method of activated carbon for electrochemical energy storage device |
-
2015
- 2015-03-20 CN CN201510121653.XA patent/CN104681307B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360959A (en) * | 2011-09-30 | 2012-02-22 | 金小娟 | Preparation method of N (nitrogen)-enriched activated carbon electrode |
| CN103539119A (en) * | 2013-10-30 | 2014-01-29 | 中国第一汽车股份有限公司 | Preparation method of activated carbon for electrochemical energy storage device |
Non-Patent Citations (2)
| Title |
|---|
| DENISA HULICOVA-JURCAKOVA等: ""Combined effect of nitrogen- and oxygen-containing functional groups of microporous activated carbon on its electrochemical performance in supercapacitors"", 《ADVANCED FUNCTIONAL MATERIALS》 * |
| DENISA HULICOVA-JURCAKOVA等: ""Effect of surface phosphorus functionalities of activated carbons containing oxygen and nitrogen on electrochemical capacitance"", 《CARBON》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140051A (en) * | 2015-09-29 | 2015-12-09 | 北京林业大学 | Preparation method for nitrogen and sulfur co-loaded activated carbon electrode |
| CN105870465A (en) * | 2016-05-25 | 2016-08-17 | 华南理工大学 | Preparation method of auto-doped carbon catalysis material based on activated sludge domestication |
| CN106024422A (en) * | 2016-05-25 | 2016-10-12 | 华南理工大学 | Method for preparing a capacitive electrode material by using domesticated activated sludge |
| CN105870465B (en) * | 2016-05-25 | 2019-01-29 | 华南理工大学 | A kind of preparation method of the auto-dope carbon catalysis material based on activated sludge acclimatization |
| CN111320173A (en) * | 2020-03-06 | 2020-06-23 | 浙江省林业科学研究院 | Preparation method of modified activated carbon material for capacitor |
| CN111320173B (en) * | 2020-03-06 | 2022-10-11 | 浙江省林业科学研究院 | Preparation method of modified activated carbon material for capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104681307B (en) | 2017-11-21 |
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