CN106115695B - A kind of method that height ratio capacity ultracapacitor is prepared using durian shell - Google Patents
A kind of method that height ratio capacity ultracapacitor is prepared using durian shell Download PDFInfo
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- CN106115695B CN106115695B CN201610469762.5A CN201610469762A CN106115695B CN 106115695 B CN106115695 B CN 106115695B CN 201610469762 A CN201610469762 A CN 201610469762A CN 106115695 B CN106115695 B CN 106115695B
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- ultracapacitor
- charing
- durian shell
- 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 8
- 239000003610 charcoal Substances 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 238000000855 fermentation Methods 0.000 claims description 24
- 230000004151 fermentation Effects 0.000 claims description 24
- 244000307697 Agrimonia eupatoria Species 0.000 claims description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 235000000125 common agrimony Nutrition 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 230000004913 activation Effects 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 9
- 230000001954 sterilising effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 239000000919 ceramic Substances 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
- 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
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 6
- 238000007873 sieving 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
- 238000002156 mixing Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000003575 carbonaceous material Substances 0.000 abstract description 16
- 239000002028 Biomass 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 compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 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
- 229920002472 Starch Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000008107 starch Substances 0.000 description 5
- 235000019698 starch Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- WXQDFOGZIYLEGP-UHFFFAOYSA-N C(C(C)C)#N.C(C(C)C)#N.[N] Chemical compound C(C(C)C)#N.C(C(C)C)#N.[N] WXQDFOGZIYLEGP-UHFFFAOYSA-N 0.000 description 3
- 239000002154 agricultural waste Substances 0.000 description 3
- 239000012620 biological material Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material 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
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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 present invention relates to a kind of methods that height ratio capacity ultracapacitor is prepared using durian shell, belong to capacitor preparation field.Durian shell is carbonized and activated by this method, composite modified through plant and microorganism, is finally freeze-dried and height ratio capacity ultracapacitor is made.The present invention prepares ultracapacitor by raw material of durian shell, traditional carbon material ultracapacitor is solved using non-renewable fossil resource as raw material, preparation process complicated and time consumption, it is expensive, and there is the problem of pollution to environment, it is activated by alkali and expands charcoal aperture, improve ion transmission efficiency, increase specific capacity, it is composite modified through the plant with oxygen-containing functional group and nitrogen-containing functional group and microorganism again, increase charcoal surface functional group, further expand specific capacity, it is all poromerics to compensate for most of biomass carbon material again, the transmission of ion is not utilized, the defects of supercapacitor specific capacity obtained is small, it has broad application prospects.
Description
Technical field
The present invention relates to a kind of methods that height ratio capacity ultracapacitor is prepared using durian shell, belong to capacitor and prepare neck
Domain.
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, electric system and miniature electronic are widely applied, and have become the hot spot of researcher's concern.
Carbon material is due to its high-specific surface area, good electric conductivity, the chemical property of stabilization, cheap price, wider operating temperature
The advantages that range, is widely used in the electrode material of ultracapacitor.Carbon material mainly includes carbon aerogels, carbon nanotube, micro-
Hole carbon material, ordered mesopore carbon and classification duct carbon material.But the preparation process complicated and time consumption of these carbon materials, cost are held high
It is expensive, and have pollution to environment.
In recent years, due to the shortage of fossil resource, the development and application of carbon material are restricted.Contain abundant carbon materials
Biomass resource timber, forest waste, agricultural wastes, water plant, oilseed plant, animal wastes, city and the work of material
Industry organic waste etc. prepares various carbon materials for raw material becomes the emphasis of researcher's concern.China is typically to lack material Shaolin
There are many agricultural wastes resources in country every year, if discarded biomass can be utilized to prepare high performance biological material
Material, and show good chemical property, then these agricultural wastes can then turn waste into wealth.
Biological material is because of its abundance, and of low cost, environmentally protective, renewable grade a little becomes double layer capacitor
Preferred material.Biological material mainly contains cellulose, hemicellulose and lignin, they are all to prepare micropore biological matter carbon
The good raw material of material.Various biomass be used to prepare biomass carbon material.But the biomass carbon prepared is big
Majority is all poromerics, does not utilize the transmission of ion, thus little for the contribution of capacitance.That is, a large amount of micropore
Be not suitable for the transport and storage of ion.Therefore, macroporous structure is also most important for porous carbon materials.
Invention content
Present invention mainly solves the technical issues of：It is mostly with non-renewable for current traditional carbon material ultracapacitor
Fossil resource is raw material, and preparation process complicated and time consumption is expensive, and has pollution to environment, and biomass carbon material is most
The defects of number is all poromerics, is unfavorable for the transmission of ion, and supercapacitor specific capacity obtained is small, provides a kind of utilization
The method that durian shell prepares height ratio capacity ultracapacitor.Durian shell is carbonized and activated by this method, is answered through plant and microorganism
It closes and is modified, be finally freeze-dried and height ratio capacity ultracapacitor is made.The present invention prepares ultracapacitor by raw material of durian shell,
Traditional carbon material ultracapacitor is solved using non-renewable fossil resource as raw material, preparation process complicated and time consumption, cost is held high
It is expensive, and have the problem of pollution to environment, it is activated by alkali and expands charcoal aperture, improve ion transmission efficiency, increase specific capacity,
It is composite modified through the plant with oxygen-containing functional group and nitrogen-containing functional group and microorganism again, increase charcoal surface functional group, into
One step expands specific capacity, and it is all poromerics to compensate for most of biomass carbon material, does not utilize the transmission of ion, obtained
The defects of supercapacitor specific capacity is small has broad application prospects.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It weighs 1~2kg durian shells natural drying 1~2 week, the durian shell dried is put into airslide disintegrating mill and is crushed
60 mesh standard sieves are crossed afterwards, the durian shell fragment after sieving is put into retort, and nitrogen is passed through into stove until displacing all
Air is warming up to 400~500 DEG C of heat preservation 1~2h of charing with 10 DEG C/min rate programs, obtains charing precast body；
（2）Charing precast body obtained above is moved into beaker, it is molten that a concentration of 0.5mol/L potassium hydroxide is added in into cup
Liquid is totally submerged until precast body will be carbonized, and is placed on oscillation activation on shaking table and overnight, is put charing precast body again after filtering
Enter retort, under nitrogen atmosphere in 700~800 DEG C of 2~3h of secondary charing, obtain activation charcoal；
（3）It weighs 2~3kg Agrimonies removal blade and leaves rhizome, be put into stone mortar after being washed with deionized 3~5 times,
30~40min of grinding is smashed to pieces with stone pestle and obtains paste Agrimony slurry, is in mass ratio 1:2 starch obtained Agrimony and above-mentioned work
Change charcoal and be uniformly mixed to obtain mixture；
（4）Said mixture is transferred in ceramic fermentation tank, adds in the azodiisobutyronitrile of mixture gross mass 1~3%,
It is stirred after 5~10min and Cellumomonas flavigena is accessed into tank for 8% by inoculum concentration, fermentation tank is moved into insulating box,
Heat-preservation fermentation is modified 12~16 days at 28~32 DEG C；
（5）Take out tunning after fermentation, be put into autoclave sterilizer 0.10~0.15MPa and 120~
Sterilize 10~15min at 122 DEG C, and sterilizing terminates to add in isometric deionized water in backward tunning, moves into sonic oscillation
Instrument handles 20~30min with 200~300W power ultrasonics and obtains mixed liquor；
（6）Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 3000~4000r/min rotating speeds centrifugal treating 10~
15min, isolated lower black precipitation, sediment is put into after being lyophilized in vacuum freeze-drying machine to get the super electricity of height ratio capacity
Container.
The physical property of the present invention：Height ratio capacity ultracapacitor specific surface area produced by the present invention reaches 1950~
2100m2/ g, specific capacity reaches 350~370F/g under the current density of 1A/g, and specific capacity is still under the current density of 20A/g
So up to 240~260F/g, have broad application prospects.
The beneficial effects of the invention are as follows：
（1）Height ratio capacity ultracapacitor produced by the present invention is of low cost using biomass as raw material, preparation process letter
It is single, to any pollution of environment object；
（2）Height ratio capacity supercapacitor specific capacity produced by the present invention is big, and specific capacity reaches under the current density of 1A/g
350~370F/g, specific capacity is still up to 240~260F/g under the current density of 20A/g.
Specific embodiment
It weighs 1~2kg durian shells natural drying 1~2 week, the durian shell dried is put into airslide disintegrating mill and is smashed it through
Durian shell fragment after sieving is put into retort by 60 mesh standard sieves, and nitrogen is passed through into stove until displacing all air,
400~500 DEG C of heat preservation 1~2h of charing are warming up to 10 DEG C/min rate programs, obtain charing precast body；By charcoal obtained above
Change precast body and move into beaker, a concentration of 0.5mol/L potassium hydroxide solutions are added in into cup and are soaked completely until precast body will be carbonized
Not yet, be placed on shaking table oscillation activation overnight, charing precast body be placed again into retort after filtering, under nitrogen atmosphere in
700~800 DEG C of 2~3h of secondary charing obtain activation charcoal；It weighs 2~3kg Agrimonies removal blade and leaves rhizome, spend
It is put into stone mortar after ion water washing 3~5 times, smashs 30~40min of grinding to pieces with stone pestle and obtain paste Agrimony and starch, in mass ratio
It is 1:Obtained Agrimony slurry and above-mentioned activation charcoal are uniformly mixed to obtain mixture by 2；Said mixture is transferred to ceramic hair
In fermentation tank, the azodiisobutyronitrile of mixture gross mass 1~3% is added in, is stirred after 5~10min by inoculum concentration as 8% to tank
Middle access Cellumomonas flavigena, insulating box is moved by fermentation tank, and heat-preservation fermentation is modified 12~16 days at 28~32 DEG C；Fermentation
After take out tunning, be put into autoclave sterilizer at 0.10~0.15MPa and 120~122 DEG C sterilizing 10~
15min, sterilizing terminate to add in isometric deionized water in backward tunning, move into sonic oscillation instrument with 200~300W work(
Rate is ultrasonically treated 20~30min and obtains mixed liquor；Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 3000~4000r/min
Sediment is put into after being lyophilized in vacuum freeze-drying machine, i.e., by 10~15min of rotating speed centrifugal treating, isolated lower black precipitation
Obtain height ratio capacity ultracapacitor.
Example 1
It weighs 1kg durian shells natural drying 1 week, the durian shell dried is put into airslide disintegrating mill and smashes it through 60 targets
Quasi- sieve, the durian shell fragment after sieving is put into retort, and nitrogen is passed through into stove until displacing all air, with 10
DEG C/min rate programs be warming up to 400 DEG C heat preservation charing 1h, obtain charing precast body；Charing precast body obtained above is moved into
Beaker adds in a concentration of 0.5mol/L potassium hydroxide solutions into cup and is totally submerged until precast body will be carbonized, is placed on shaking table
Charing precast body overnight, is placed again into retort, under nitrogen atmosphere in 700 DEG C of secondary charings by upper oscillation activation after filtering
2h obtains activation charcoal；It weighs 2kg Agrimonies removal blade and leaves rhizome, stone mortar is put into after being washed with deionized 3 times
In, it smashs grinding 30min to pieces with stone pestle and obtains paste Agrimony slurry, be in mass ratio 1:2 starch obtained Agrimony and above-mentioned work
Change charcoal and be uniformly mixed to obtain mixture；Said mixture is transferred in ceramic fermentation tank, adds in the idol of mixture gross mass 1%
Nitrogen bis-isobutyronitrile is stirred after 5min and Cellumomonas flavigena is accessed into tank for 8% by inoculum concentration, fermentation tank moved into permanent
Incubator, heat-preservation fermentation is modified 12 days at 28 DEG C；Tunning is taken out after fermentation, is put into autoclave sterilizer
Sterilize 10min at 0.10MPa and 120 DEG C, and sterilizing terminates to add in isometric deionized water in backward tunning, moves into ultrasound
Shaker obtains mixed liquor with 200W power ultrasonics processing 20min；Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 3000r/
Min rotating speed centrifugal treatings 10min, isolated lower black precipitation, sediment is put into after being lyophilized in vacuum freeze-drying machine to get
Height ratio capacity ultracapacitor.
Height ratio capacity ultracapacitor specific surface area produced by the present invention reaches 1950m2/ g, under the current density of 1A/g
Specific capacity reaches 350F/g, and specific capacity has broad application prospects still up to 240F/g under the current density of 20A/g.
Example 2
It weighs 1kg durian shells natural drying 2 weeks, the durian shell dried is put into airslide disintegrating mill and smashes it through 60 targets
Quasi- sieve, the durian shell fragment after sieving is put into retort, and nitrogen is passed through into stove until displacing all air, with 10
DEG C/min rate programs be warming up to 450 DEG C heat preservation charing 1h, obtain charing precast body；Charing precast body obtained above is moved into
Beaker adds in a concentration of 0.5mol/L potassium hydroxide solutions into cup and is totally submerged until precast body will be carbonized, is placed on shaking table
Charing precast body overnight, is placed again into retort, under nitrogen atmosphere in 750 DEG C of secondary charings by upper oscillation activation after filtering
3h obtains activation charcoal；It weighs 2kg Agrimonies removal blade and leaves rhizome, stone mortar is put into after being washed with deionized 4 times
In, it smashs grinding 35min to pieces with stone pestle and obtains paste Agrimony slurry, be in mass ratio 1:2 starch obtained Agrimony and above-mentioned work
Change charcoal and be uniformly mixed to obtain mixture；Said mixture is transferred in ceramic fermentation tank, adds in the idol of mixture gross mass 2%
Nitrogen bis-isobutyronitrile is stirred after 8min and Cellumomonas flavigena is accessed into tank for 8% by inoculum concentration, fermentation tank moved into permanent
Incubator, heat-preservation fermentation is modified 14 days at 30 DEG C；Tunning is taken out after fermentation, is put into autoclave sterilizer
Sterilize 13min at 0.13MPa and 121 DEG C, and sterilizing terminates to add in isometric deionized water in backward tunning, moves into ultrasound
Shaker obtains mixed liquor with 250W power ultrasonics processing 25min；Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 3500r/
Min rotating speed centrifugal treatings 13min, isolated lower black precipitation, sediment is put into after being lyophilized in vacuum freeze-drying machine to get
Height ratio capacity ultracapacitor.
Height ratio capacity ultracapacitor specific surface area produced by the present invention reaches 2000m2/ g, under the current density of 1A/g
Specific capacity reaches 360F/g, and specific capacity has broad application prospects still up to 250F/g under the current density of 20A/g.
Example 3
It weighs 2kg durian shells natural drying 2 weeks, the durian shell dried is put into airslide disintegrating mill and smashes it through 60 targets
Quasi- sieve, the durian shell fragment after sieving is put into retort, and nitrogen is passed through into stove until displacing all air, with 10
DEG C/min rate programs be warming up to 500 DEG C heat preservation charing 2h, obtain charing precast body；Charing precast body obtained above is moved into
Beaker adds in a concentration of 0.5mol/L potassium hydroxide solutions into cup and is totally submerged until precast body will be carbonized, is placed on shaking table
Charing precast body overnight, is placed again into retort, under nitrogen atmosphere in 800 DEG C of secondary charings by upper oscillation activation after filtering
3h obtains activation charcoal；It weighs 3kg Agrimonies removal blade and leaves rhizome, stone mortar is put into after being washed with deionized 5 times
In, it smashs grinding 40min to pieces with stone pestle and obtains paste Agrimony slurry, be in mass ratio 1:2 starch obtained Agrimony and above-mentioned work
Change charcoal and be uniformly mixed to obtain mixture；Said mixture is transferred in ceramic fermentation tank, adds in the idol of mixture gross mass 3%
Nitrogen bis-isobutyronitrile is stirred after 10min and Cellumomonas flavigena is accessed into tank for 8% by inoculum concentration, fermentation tank moved into permanent
Incubator, heat-preservation fermentation is modified 16 days at 32 DEG C；Tunning is taken out after fermentation, is put into autoclave sterilizer
Sterilize 15min at 0.15MPa and 122 DEG C, and sterilizing terminates to add in isometric deionized water in backward tunning, moves into ultrasound
Shaker obtains mixed liquor with 300W power ultrasonics processing 30min；Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 4000r/
Min rotating speed centrifugal treatings 15min, isolated lower black precipitation, sediment is put into after being lyophilized in vacuum freeze-drying machine to get
Height ratio capacity ultracapacitor.
Height ratio capacity ultracapacitor specific surface area produced by the present invention reaches 2100m2/ g, under the current density of 1A/g
Specific capacity reaches 370F/g, and specific capacity has broad application prospects still up to 260F/g under the current density of 20A/g.
Claims (1)
- A kind of 1. method that height ratio capacity ultracapacitor is prepared using durian shell, it is characterised in that specifically preparation process is：（1）It weighs 1~2kg durian shells natural drying 1~2 week, the durian shell dried is put into airslide disintegrating mill and is smashed it through Durian shell fragment after sieving is put into retort by 60 mesh standard sieves, and nitrogen is passed through into stove until displacing all air, 400~500 DEG C of heat preservation 1~2h of charing are warming up to 10 DEG C/min rate programs, obtain charing precast body；（2）Charing precast body obtained above is moved into beaker, it is straight that a concentration of 0.5mol/L potassium hydroxide solutions are added in into cup Precast body will extremely be carbonized to be totally submerged, oscillation activation on shaking table is placed on and overnight, charing precast body is placed again into charcoal after filtering Change stove, under nitrogen atmosphere in 700~800 DEG C of 2~3h of secondary charing, obtain activation charcoal；（3）It weighs 2~3kg Agrimonies removal blade and leaves rhizome, be put into stone mortar after being washed with deionized 3~5 times, use stone Pestle smashs 30~40min of grinding to pieces and obtains paste Agrimony slurry, is in mass ratio 1:2 give birth to obtained Agrimony slurry and above-mentioned activation Object charcoal is uniformly mixed to obtain mixture；（4）Said mixture is transferred in ceramic fermentation tank, adds in the azodiisobutyronitrile of mixture gross mass 1~3%, stirring Cellumomonas flavigena is accessed into tank for 8% by inoculum concentration after 5~10min of mixing, fermentation tank is moved into insulating box, 28~ Heat-preservation fermentation is modified 12~16 days at 32 DEG C；（5）Tunning is taken out after fermentation, is put into autoclave sterilizer at 0.10~0.15MPa and 120~122 DEG C 10~15min of lower sterilizing, sterilizing terminate to add in isometric deionized water in backward tunning, move into sonic oscillation instrument with 200~300W power ultrasonics handle 20~30min and obtain mixed liquor；（6）Treat that ultrasound finishes, by mixed liquor horizontal centrifuge with 3000~4000r/min rotating speed 10~15min of centrifugal treating, Isolated lower black precipitation, sediment is put into after being lyophilized in vacuum freeze-drying machine to get height ratio capacity ultracapacitor.
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| CN201610469762.5A CN106115695B (en) | 2016-06-26 | 2016-06-26 | A kind of method that height ratio capacity ultracapacitor is prepared using durian shell |
| CN201711256959.1A CN107993852A (en) | 2016-06-26 | 2016-06-26 | A kind of 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 |
| 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 |
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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 |
| CN201711254733.8A Division CN107892302A (en) | 2016-06-26 | 2016-06-26 | Height ratio capacity ultracapacitor and preparation method thereof |
| CN201711256374.XA Division CN107804846A (en) | 2016-06-26 | 2016-06-26 | A kind of height ratio capacity ultracapacitor |
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| CN201711254733.8A Pending CN107892302A (en) | 2016-06-26 | 2016-06-26 | Height ratio capacity ultracapacitor and preparation method thereof |
| CN201711256374.XA Pending CN107804846A (en) | 2016-06-26 | 2016-06-26 | A kind of height ratio capacity ultracapacitor |
| CN201711256959.1A Withdrawn CN107993852A (en) | 2016-06-26 | 2016-06-26 | A kind of preparation method of height ratio capacity ultracapacitor |
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| CN201711256959.1A Withdrawn CN107993852A (en) | 2016-06-26 | 2016-06-26 | A kind of preparation method of height ratio capacity ultracapacitor |
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| CN107253720B (en) * | 2017-06-21 | 2019-08-30 | 中南大学 | A kind of high specific surface area and mesoporous active carbon and preparation method thereof and the application in supercapacitor |
| 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 |
| CN115650202B (en) * | 2022-10-18 | 2023-06-16 | 仲恺农业工程学院 | Durian shell-based hard carbon negative electrode material and preparation method thereof |
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| US9309121B2 (en) * | 2009-07-22 | 2016-04-12 | Wisys Technology Foundation, Inc. | Carbon microbeads with hierarchical structure |
| CN102557026A (en) * | 2011-11-09 | 2012-07-11 | 南京邮电大学 | Method for preparing porous carbon micron tube from catkin, poplar seed or phoenix tree seed as raw material |
| CN102689875B (en) * | 2012-06-11 | 2014-08-06 | 合肥工业大学 | Method for preparing microbiologically treated carbon material for supercapacitor |
| CN102951636B (en) * | 2012-11-19 | 2014-10-22 | 大连理工大学 | Nitrogen-doped chitosan-based activated carbon and preparation method thereof |
| CN103381369A (en) * | 2013-07-10 | 2013-11-06 | 清华大学 | Nitrogen doped carbon material loaded catalyst |
| CN103936006A (en) * | 2014-04-21 | 2014-07-23 | 北京理工大学 | Method for preparing porous activated carbon material from rice bran |
| CN105244178A (en) * | 2015-10-28 | 2016-01-13 | 王彦博 | Super capacitor and preparation method thereof |
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| CN107993852A (en) | 2018-05-04 |
| CN106115695A (en) | 2016-11-16 |
| CN107804846A (en) | 2018-03-16 |
| CN107986256A (en) | 2018-05-04 |
| CN107892302A (en) | 2018-04-10 |
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