CN106115695A - A kind of method utilizing durian shell to prepare height ratio capacity ultracapacitor - Google Patents
A kind of method utilizing durian shell to prepare height ratio capacity ultracapacitor Download PDFInfo
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- CN106115695A CN106115695A CN201610469762.5A CN201610469762A CN106115695A CN 106115695 A CN106115695 A CN 106115695A CN 201610469762 A CN201610469762 A CN 201610469762A CN 106115695 A CN106115695 A CN 106115695A
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- ultracapacitor
- durian shell
- carbonization
- height ratio
- precast body
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- 240000000716 Durio zibethinus Species 0.000 title claims abstract description 28
- 235000006025 Durio zibethinus Nutrition 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003763 carbonization Methods 0.000 claims abstract description 37
- 239000003610 charcoal Substances 0.000 claims abstract description 19
- 230000004913 activation Effects 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 24
- 238000000855 fermentation Methods 0.000 claims description 23
- 230000004151 fermentation Effects 0.000 claims description 23
- 244000307697 Agrimonia eupatoria Species 0.000 claims description 18
- 235000000125 common agrimony Nutrition 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 230000001954 sterilising effect Effects 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000002054 inoculum Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 235000011837 pasties Nutrition 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009777 vacuum freeze-drying Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000002028 Biomass Substances 0.000 abstract description 10
- 239000003575 carbonaceous material Substances 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 8
- 241000196324 Embryophyta Species 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 125000000524 functional group Chemical group 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004108 freeze drying Methods 0.000 abstract description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000002154 agricultural waste Substances 0.000 description 3
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012620 biological material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004966 Carbon aerogel Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 239000010828 animal waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011799 hole material Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste 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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
-
- 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
-
- 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
-
- 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
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- 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
- H01G11/84—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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of method utilizing durian shell to prepare height ratio capacity ultracapacitor, belong to capacitor preparation field.The method is by durian shell carbonization and activates, composite modified through plant and microorganism, and last lyophilization prepares height ratio capacity ultracapacitor.The present invention prepares ultracapacitor with durian shell for raw material, solve conventional carbon material ultracapacitor with non-renewable fossil resource as raw material, preparation process complicated and time consumption, cost intensive, and the problem that environment is had pollution, charcoal aperture is expanded by alkali activation, improve ion transmission efficiency, increase specific capacity, again through composite modified with oxygen-containing functional group and the plant of nitrogen-containing functional group and microorganism, increase charcoal surface functional group, expand specific capacity further, compensate for again biomass carbon material great majority is all poromerics, do not utilize the transmission of ion, the defect that prepared ultracapacitor specific capacity is little, have broad application prospects.
Description
Technical field
The present invention relates to a kind of method utilizing durian shell to prepare height ratio capacity ultracapacitor, belong to capacitor preparation neck
Territory.
Background technology
Ultracapacitor is the novel energy-storing equipment of a kind of high reserves and high power density, mobile communication, Space Science and Technology,
The fields such as automobile engineering, power system and miniature electronic are widely applied, and have had become as the focus that researcher is paid close attention to.
Material with carbon element is due to its high-specific surface area, good electric conductivity, stable chemical property, cheap price, wider operating temperature
The advantages such as scope are widely used in the electrode material of ultracapacitor.Material with carbon element mainly includes carbon aerogels, CNT, micro-
Hole material with carbon element, ordered mesopore carbon and classification duct material with carbon element.But, the preparation process complicated and time consumption of these material with carbon elements, cost is held high
Expensive, and environment is had pollution.
In recent years, due to the shortage of fossil resource, development and the application of material with carbon element are restricted.Containing abundant carbon material
Biomass resource timber, forest garbage, agricultural wastes, water plant, oilseed plant, animal wastes, city and the work of material
Industry organic wastes etc. prepare various material with carbon element for raw material becomes the emphasis that researcher is paid close attention to.China is typically to lack material Shaolin
Country, has a lot of agricultural wastes resource every year, if discarded biomass can be utilized to prepare high performance biomass material
Material, and show good chemical property, then these agricultural wastes then can be turned waste into wealth.
Biological material is because of its abundance, with low cost, environmental protection, and renewable grade becomes a little double layer capacitor
Preferred material.Biological material mainly contains cellulose, hemicellulose and lignin, and they are all to prepare micropore biological matter carbon
The good raw material of material.Various biomass are used for preparing biomass carbon material.But the biomass carbon of preparation is big
Majority is all poromerics, does not utilize the transmission of ion, and the contribution thus for electric capacity is little.It is to say, substantial amounts of micropore
Be not suitable for transport and the storage of ion.Therefore, macroporous structure is most important for porous carbon materials.
Summary of the invention
The technical problem that present invention mainly solves: be mostly with non-renewable for current conventional carbon material ultracapacitor
Fossil resource is raw material, preparation process complicated and time consumption, cost intensive, and has pollution to environment, and biomass carbon material is most
Number is all poromerics, is unfavorable for the transmission of ion, the defect that prepared ultracapacitor specific capacity is little, it is provided that a kind of utilization
Durian shell prepares the method for height ratio capacity ultracapacitor.The method is by durian shell carbonization and activates, multiple through plant and microorganism
Closing modification, last lyophilization prepares height ratio capacity ultracapacitor.The present invention prepares ultracapacitor with durian shell for raw material,
Solving conventional carbon material ultracapacitor with non-renewable fossil resource as raw material, preparation process complicated and time consumption, cost is held high
Expensive, and environment is had the problem of pollution, expand charcoal aperture by alkali activation, improve ion transmission efficiency, increase specific capacity,
Again through composite modified with oxygen-containing functional group and the plant of nitrogen-containing functional group and microorganism, increase charcoal surface functional group, enter
One step expands specific capacity, and compensate for again biomass carbon material great majority is all poromerics, does not utilize the transmission of ion, prepared
The defect that ultracapacitor specific capacity is little, has broad application prospects.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) weigh 1～2kg durian shell natural drying 1～2 weeks, the durian shell dried is put into mistake after pulverizing in jet mill
60 mesh standard sieves, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove,
It is warming up to 400～500 DEG C of insulation carbonizations 1～2h with 10 DEG C/min rate program, obtains carbonization precast body；
(2) carbonization precast body obtained above being moved into beaker, adding concentration in cup is that 0.5mol/L potassium hydroxide solution is straight
To carbonization precast body is totally submerged, it is placed on shaking table vibration activation overnight, after filtration, carbonization precast body is placed again into charcoal
Change stove, under nitrogen atmosphere in 700～800 DEG C of secondary carbonizations 2～3h, obtain activating charcoal；
(3) weigh 2～3kg Agrimonies removal blades and leave rhizome, put into after being washed with deionized 3～5 times in stone mortar, use stone
Pestle is smashed grinding 30～40min to pieces and is obtained pasty state Agrimony slurry, in mass ratio for 1:2 by raw for Agrimony slurry and the above-mentioned activation obtained
Thing charcoal mix homogeneously obtains mixture；
(4) proceed to said mixture, in pottery fermentation tank, add mixture gross mass 1～the azodiisobutyronitrile of 3%, stirring
Be 8% in tank, to access Cellumomonas flavigena by inoculum concentration after mixing 5～10min, fermentation tank moved into calorstat, 28～
Modified 12～16 days of heat-preservation fermentation at 32 DEG C；
(5) take out tunning after fermentation ends, put in autoclave sterilizer 0.10～0.15MPa and 120～122 DEG C
Lower sterilizing 10～15min, sterilizing terminates to add in backward tunning isopyknic deionized water, move into sonic oscillation instrument with
200～300W power ultrasonics process 20～30min and obtain mixed liquor；
(6) treat ultrasonic complete, by mixed liquor horizontal centrifuge with 3000～4000r/min rotating speed centrifugal treating 10～15min,
Isolated lower black precipitates, and is put into by precipitate in vacuum freeze-drying machine after lyophilizing, obtains height ratio capacity ultracapacitor.
The physical property of the present invention: the height ratio capacity ultracapacitor specific surface area that the present invention prepares reach 1950～
2100m2/ g, under the electric current density of 1A/g, specific capacity reaches 350～370F/g, and under the electric current density of 20A/g, specific capacity is still
So up to 240～260F/g, have broad application prospects.
The invention has the beneficial effects as follows:
(1) the height ratio capacity ultracapacitor that the present invention prepares is with biomass as raw material, with low cost, and preparation technology is simple,
Pollution any to environment thing；
(2) the height ratio capacity ultracapacitor specific capacity that the present invention prepares is big, under the electric current density of 1A/g specific capacity reach 350～
370F/g, under the electric current density of 20A/g, specific capacity is still up to 240～260F/g.
Detailed description of the invention
Weigh 1～2kg durian shell natural drying 1～2 weeks, the durian shell dried is put into mistake after pulverizing in jet mill
60 mesh standard sieves, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove,
It is warming up to 400～500 DEG C of insulation carbonizations 1～2h with 10 DEG C/min rate program, obtains carbonization precast body；By charcoal obtained above
Changing precast body and move into beaker, adding concentration in cup is 0.5mol/L potassium hydroxide solution until being soaked completely by carbonization precast body
Not yet, being placed on shaking table vibration activation overnight, after filtration, carbonization precast body is placed again into retort, under nitrogen atmosphere in
700～800 DEG C of secondary carbonizations 2～3h, obtain activating charcoal；Weigh 2～3kg Agrimonies removal blades and leave rhizome, spend
Ionized water is put in stone mortar after washing 3～5 times, smashs grinding 30～40min to pieces with stone pestle and obtains pasty state Agrimony slurry, in mass ratio
For 1:2, the Agrimony obtained slurry and above-mentioned activation charcoal mix homogeneously are obtained mixture；Said mixture proceeds to pottery send out
In ferment tank, add mixture gross mass 1～the azodiisobutyronitrile of 3%, be 8% to tank by inoculum concentration after stirring mixing 5～10min
Middle access Cellumomonas flavigena, moves into calorstat by fermentation tank, modified 12～16 days of heat-preservation fermentation at 28～32 DEG C；Fermentation
Take out tunning after end, put in autoclave sterilizer at 0.10～0.15MPa and 120～122 DEG C sterilizing 10～
15min, sterilizing terminates to add in backward tunning isopyknic deionized water, moves into sonic oscillation instrument with 200～300W merits
Rate supersound process 20～30min obtains mixed liquor；Treat ultrasonic complete, by mixed liquor horizontal centrifuge with 3000～4000r/min
Rotating speed centrifugal treating 10～15min, isolated lower black precipitates, is put into by precipitate in vacuum freeze-drying machine after lyophilizing, i.e.
Obtain height ratio capacity ultracapacitor.
Example 1
Weigh 1kg durian shell natural drying 1 week, the durian shell dried is put into and after jet mill is pulverized, crosses 60 targets standards
Sieve, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove, with 10 DEG C/
Min rate program is warming up to 400 DEG C of insulation carbonization 1h, obtains carbonization precast body；Carbonization precast body obtained above is moved into and burns
Cup, adding concentration in cup is 0.5mol/L potassium hydroxide solution until being totally submerged by carbonization precast body, is placed on shaking table
Carbonization precast body overnight, is placed again into retort after filtration by vibration activation, under nitrogen atmosphere in 700 DEG C of secondary carbonization 2h,
Obtain activating charcoal；Weigh 2kg Agrimony removal blade and leave rhizome, put into after being washed with deionized 3 times in stone mortar, use
Stone pestle is smashed grinding 30min to pieces and is obtained pasty state Agrimony slurry, in mass ratio for 1:2 by biological for Agrimony slurry and the above-mentioned activation obtained
Charcoal mix homogeneously obtains mixture；Being proceeded to by said mixture in pottery fermentation tank, the azo two adding mixture gross mass 1% is different
Butyronitrile, stirring mixing 5min after by inoculum concentration be 8% in tank access Cellumomonas flavigena, fermentation tank is moved into calorstat,
Modified 12 days of heat-preservation fermentation at 28 DEG C；Take out tunning after fermentation ends, put in autoclave sterilizer at 0.10MPa and
Sterilizing 10min at 120 DEG C, sterilizing terminates to add in backward tunning isopyknic deionized water, move into sonic oscillation instrument with
200W power ultrasonic processes 20min and obtains mixed liquor；Treat ultrasonic complete, by mixed liquor horizontal centrifuge with 3000r/min rotating speed
Centrifugal treating 10min, isolated lower black precipitates, and is put into by precipitate in vacuum freeze-drying machine after lyophilizing, obtains Fabrication of High Specific Capacitance
Amount ultracapacitor.
The height ratio capacity ultracapacitor specific surface area that the present invention prepares reaches 1950m2/ g, under the electric current density of 1A/g
Specific capacity reaches 350F/g, and under the electric current density of 20A/g, specific capacity is still up to 240F/g, has broad application prospects.
Example 2
Weigh 1kg durian shell natural drying 2 weeks, the durian shell dried is put into and after jet mill is pulverized, crosses 60 targets standards
Sieve, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove, with 10 DEG C/
Min rate program is warming up to 450 DEG C of insulation carbonization 1h, obtains carbonization precast body；Carbonization precast body obtained above is moved into and burns
Cup, adding concentration in cup is 0.5mol/L potassium hydroxide solution until being totally submerged by carbonization precast body, is placed on shaking table
Carbonization precast body overnight, is placed again into retort after filtration by vibration activation, under nitrogen atmosphere in 750 DEG C of secondary carbonization 3h,
Obtain activating charcoal；Weigh 2kg Agrimony removal blade and leave rhizome, put into after being washed with deionized 4 times in stone mortar, use
Stone pestle is smashed grinding 35min to pieces and is obtained pasty state Agrimony slurry, in mass ratio for 1:2 by biological for Agrimony slurry and the above-mentioned activation obtained
Charcoal mix homogeneously obtains mixture；Being proceeded to by said mixture in pottery fermentation tank, the azo two adding mixture gross mass 2% is different
Butyronitrile, stirring mixing 8min after by inoculum concentration be 8% in tank access Cellumomonas flavigena, fermentation tank is moved into calorstat,
Modified 14 days of heat-preservation fermentation at 30 DEG C；Take out tunning after fermentation ends, put in autoclave sterilizer at 0.13MPa and
Sterilizing 13min at 121 DEG C, sterilizing terminates to add in backward tunning isopyknic deionized water, move into sonic oscillation instrument with
250W power ultrasonic processes 25min and obtains mixed liquor；Treat ultrasonic complete, by mixed liquor horizontal centrifuge with 3500r/min rotating speed
Centrifugal treating 13min, isolated lower black precipitates, and is put into by precipitate in vacuum freeze-drying machine after lyophilizing, obtains Fabrication of High Specific Capacitance
Amount ultracapacitor.
The height ratio capacity ultracapacitor specific surface area that the present invention prepares reaches 2000m2/ g, under the electric current density of 1A/g
Specific capacity reaches 360F/g, and under the electric current density of 20A/g, specific capacity is still up to 250F/g, has broad application prospects.
Example 3
Weigh 2kg durian shell natural drying 2 weeks, the durian shell dried is put into and after jet mill is pulverized, crosses 60 targets standards
Sieve, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove, with 10 DEG C/
Min rate program is warming up to 500 DEG C of insulation carbonization 2h, obtains carbonization precast body；Carbonization precast body obtained above is moved into and burns
Cup, adding concentration in cup is 0.5mol/L potassium hydroxide solution until being totally submerged by carbonization precast body, is placed on shaking table
Carbonization precast body overnight, is placed again into retort after filtration by vibration activation, under nitrogen atmosphere in 800 DEG C of secondary carbonization 3h,
Obtain activating charcoal；Weigh 3kg Agrimony removal blade and leave rhizome, put into after being washed with deionized 5 times in stone mortar, use
Stone pestle is smashed grinding 40min to pieces and is obtained pasty state Agrimony slurry, in mass ratio for 1:2 by biological for Agrimony slurry and the above-mentioned activation obtained
Charcoal mix homogeneously obtains mixture；Being proceeded to by said mixture in pottery fermentation tank, the azo two adding mixture gross mass 3% is different
Butyronitrile, stirring mixing 10min after by inoculum concentration be 8% in tank access Cellumomonas flavigena, fermentation tank is moved into calorstat,
Modified 16 days of heat-preservation fermentation at 32 DEG C；Take out tunning after fermentation ends, put in autoclave sterilizer at 0.15MPa
With 122 DEG C at sterilizing 15min, sterilizing terminates to add in backward tunning isopyknic deionized water, moves into sonic oscillation instrument
Process 30min with 300W power ultrasonic and obtain mixed liquor；Treat ultrasonic complete, mixed liquor horizontal centrifuge is turned with 4000r/min
Speed centrifugal treating 15min, isolated lower black precipitates, and is put into by precipitate in vacuum freeze-drying machine after lyophilizing, obtains high ratio
Capacity ultracapacitor.
The height ratio capacity ultracapacitor specific surface area that the present invention prepares reaches 2100m2/ g, under the electric current density of 1A/g
Specific capacity reaches 370F/g, and under the electric current density of 20A/g, specific capacity is still up to 260F/g, has broad application prospects.
Claims (1)
1. one kind utilizes the method that durian shell prepares height ratio capacity ultracapacitor, it is characterised in that concrete preparation process is:
(1) weigh 1～2kg durian shell natural drying 1～2 weeks, the durian shell dried is put into mistake after pulverizing in jet mill
60 mesh standard sieves, the durian shell fragment after sieving is put in retort, is passed through nitrogen until displacing all air in stove,
It is warming up to 400～500 DEG C of insulation carbonizations 1～2h with 10 DEG C/min rate program, obtains carbonization precast body；
(2) carbonization precast body obtained above being moved into beaker, adding concentration in cup is that 0.5mol/L potassium hydroxide solution is straight
To carbonization precast body is totally submerged, it is placed on shaking table vibration activation overnight, after filtration, carbonization precast body is placed again into charcoal
Change stove, under nitrogen atmosphere in 700～800 DEG C of secondary carbonizations 2～3h, obtain activating charcoal；
(3) weigh 2～3kg Agrimonies removal blades and leave rhizome, put into after being washed with deionized 3～5 times in stone mortar, use stone
Pestle is smashed grinding 30～40min to pieces and is obtained pasty state Agrimony slurry, in mass ratio for 1:2 by raw for Agrimony slurry and the above-mentioned activation obtained
Thing charcoal mix homogeneously obtains mixture；
(4) proceed to said mixture, in pottery fermentation tank, add mixture gross mass 1～the azodiisobutyronitrile of 3%, stirring
Be 8% in tank, to access Cellumomonas flavigena by inoculum concentration after mixing 5～10min, fermentation tank moved into calorstat, 28～
Modified 12～16 days of heat-preservation fermentation at 32 DEG C；
(5) take out tunning after fermentation ends, put in autoclave sterilizer 0.10～0.15MPa and 120～122 DEG C
Lower sterilizing 10～15min, sterilizing terminates to add in backward tunning isopyknic deionized water, move into sonic oscillation instrument with
200～300W power ultrasonics process 20～30min and obtain mixed liquor；
(6) treat ultrasonic complete, by mixed liquor horizontal centrifuge with 3000～4000r/min rotating speed centrifugal treating 10～15min,
Isolated lower black precipitates, and is put into by precipitate in vacuum freeze-drying machine after lyophilizing, obtains height ratio capacity ultracapacitor.
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| CN201711256374.XA CN107804846A (en) | 2016-06-26 | 2016-06-26 | A kind of height ratio capacity ultracapacitor |
| CN201711256948.3A CN107986256A (en) | 2016-06-26 | 2016-06-26 | The preparation method of height ratio capacity ultracapacitor |
| CN201711254733.8A CN107892302A (en) | 2016-06-26 | 2016-06-26 | Height ratio capacity ultracapacitor and preparation method thereof |
| CN201711256959.1A CN107993852A (en) | 2016-06-26 | 2016-06-26 | A kind of preparation method of height ratio capacity ultracapacitor |
| CN201610469762.5A CN106115695B (en) | 2016-06-26 | 2016-06-26 | A kind of method that height ratio capacity ultracapacitor is prepared using durian shell |
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| CN201711256959.1A Division CN107993852A (en) | 2016-06-26 | 2016-06-26 | A kind of preparation method of height ratio capacity ultracapacitor |
| CN201711256374.XA Division CN107804846A (en) | 2016-06-26 | 2016-06-26 | A kind of height ratio capacity ultracapacitor |
| CN201711256948.3A Division CN107986256A (en) | 2016-06-26 | 2016-06-26 | The preparation method of height ratio capacity ultracapacitor |
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| CN201610469762.5A Expired - Fee Related CN106115695B (en) | 2016-06-26 | 2016-06-26 | A kind of method that height ratio capacity ultracapacitor is prepared using durian shell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107253720A (en) * | 2017-06-21 | 2017-10-17 | 中南大学 | A kind of high specific surface area and mesoporous activated carbon and preparation method thereof and the application in ultracapacitor |
| CN111874903A (en) * | 2020-06-24 | 2020-11-03 | 华南理工大学 | Preparation method for accurately adjusting microporous structure of biomass-based activated carbon and prepared biomass-based activated carbon |
| CN114700041A (en) * | 2022-05-11 | 2022-07-05 | 广州碧水生态科技有限公司 | Preparation method of modified biochar material for removing inorganic arsenic in water body and modified biochar material |
| CN115650202A (en) * | 2022-10-18 | 2023-01-31 | 仲恺农业工程学院 | Durian shell-based hard carbon negative electrode material and preparation method thereof |
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| CN103936006A (en) * | 2014-04-21 | 2014-07-23 | 北京理工大学 | Method for preparing porous activated carbon material from rice bran |
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- 2016-06-26 CN CN201711254733.8A patent/CN107892302A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107253720A (en) * | 2017-06-21 | 2017-10-17 | 中南大学 | A kind of high specific surface area and mesoporous activated carbon and preparation method thereof and the application in ultracapacitor |
| CN111874903A (en) * | 2020-06-24 | 2020-11-03 | 华南理工大学 | Preparation method for accurately adjusting microporous structure of biomass-based activated carbon and prepared biomass-based activated carbon |
| CN114700041A (en) * | 2022-05-11 | 2022-07-05 | 广州碧水生态科技有限公司 | Preparation method of modified biochar material for removing inorganic arsenic in water body and modified biochar material |
| CN115650202A (en) * | 2022-10-18 | 2023-01-31 | 仲恺农业工程学院 | Durian shell-based hard carbon negative electrode material and preparation method thereof |
Also Published As
| Publication number | Publication date |
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| CN107892302A (en) | 2018-04-10 |
| CN106115695B (en) | 2018-06-12 |
| CN107993852A (en) | 2018-05-04 |
| CN107804846A (en) | 2018-03-16 |
| CN107986256A (en) | 2018-05-04 |
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