CN108198696A - The preparation method and applications of porous carbon materials - Google Patents
The preparation method and applications of porous carbon materials Download PDFInfo
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- CN108198696A CN108198696A CN201711452620.9A CN201711452620A CN108198696A CN 108198696 A CN108198696 A CN 108198696A CN 201711452620 A CN201711452620 A CN 201711452620A CN 108198696 A CN108198696 A CN 108198696A
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- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007772 electrode material Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052786 argon Inorganic materials 0.000 claims abstract description 9
- 238000004090 dissolution Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 238000003763 carbonization Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000002322 conducting polymer Substances 0.000 claims description 3
- 229920001940 conductive polymer Polymers 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000002242 deionisation method Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 12
- 239000008367 deionised water Substances 0.000 abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 abstract description 8
- 239000011230 binding agent Substances 0.000 abstract description 5
- 239000006258 conductive agent Substances 0.000 abstract description 5
- 238000011978 dissolution method Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000002791 soaking Methods 0.000 description 13
- 229920002678 cellulose Polymers 0.000 description 7
- 239000001913 cellulose Substances 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000001994 activation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000001237 Raman spectrum Methods 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 101100273965 Solanum lycopersicum HCR9-0 gene Proteins 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—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
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Carbon And Carbon Compounds (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention provides a kind of preparation method of porous carbon materials, includes the following steps：(1) cellulose fibre in the liquor zinci chloridi of 5wt% 40wt% is impregnated into 30 60min, makes the dissolution of partial fiber surface of cellulose fibre；(2) it after curing a moment in deionized water, is put into drying device and is dried；(3) it is carbonized using argon gas as protective atmosphere.Present invention firstly provides completely new process, that is, selective surface's dissolution methods using a kind of simple possible, high temperature cabonization again after being pre-processed to cellulose fibre, by studying influence of the various process parameters to pore structure and chemical property, obtain optimal procedure parameters, bigger serface, the porous active carbon material for enriching pore structure is prepared, it is prepared into ultracapacitor as absolute electrode material (not needing to dose conductive agent and binding agent), specific capacitance can reach 488F/g, considerably beyond existing similar ultracapacitor, have a extensive future.
Description
Technical field
The invention belongs to electrode material technical fields, and in particular to a kind of preparation method and applications of porous carbon materials.
Background technology
Ultracapacitor is received more and more attention as the energy storage device haveing excellent performance, applied to new energy vapour
Vehicle, rail traffic charging equipment, portable electronic product etc..Activated carbon is the electrode material of most widely used ultracapacitor
Material, it have the advantages that it is light-weight, derive from a wealth of sources, be cheap, specific surface area is larger, good conductivity.
The specific surface area and pore structure of electrode material for super capacitor are to influence the principal element of capacitor chemical property,
Existing active carbon pore structure is relatively simple (based on micropore), although the not small (1400m of its specific surface area2/ g), but it is a large amount of
Micropore is diffused with the ion in electrolyte sizable inhibition, therefore super electricity of this activated carbon as electrode material
The specific capacitance of container is not high, and the existing specific capacitance using activated carbon as the ultracapacitor of electrode material is in the market
175F/G。
In general the preparation process of activated carbon includes activation process and carbonisation.Activation process is prepared by activated carbon
In journey the step of most critical, in activation process, the pore structure of absorbent charcoal material is formed, specific surface area increase.It is more general at present
It is that wood material, coal measures raw material, petroleum or Plastic raw material are carried out in acid or aqueous slkali all over the activation process used
High temperature (more than 600 DEG C) activates, and this method needs to consume a large amount of acid-base reagents and the energy, the activated carbon of preparation in preparation process
It needs to dose and could be used as electrode material after conductive agent and binding agent, make that the production cost increases and pollutes the environment.Mesh
High-temperature activation is used in preceding document report and the obtained maximum specific capacitance of activated carbon that is carbonized is 100-250F/g, although specific capacitance
It improves, but still can not effectively control the formation of pore structure, for pore structure still based on micropore, structure is more single
One.
Invention content
Of high cost for existing absorbent charcoal material preparation process, there are environmental pollutions, and pore structure is single, as electrode material
The relatively low above problem of the super capacitor specific capacitance of preparation, the present invention provide a kind of preparation method of porous carbon materials, adopt for the first time
The preceding pretreatment that is carbonized is carried out with selective surface's dissolution method, bigger serface, the porous active carbon for enriching pore structure is prepared
Material is prepared into ultracapacitor as absolute electrode material (not needing to dose conductive agent and binding agent), and specific capacitance is reachable
To 488F/g.
One aspect of the present invention provides a kind of preparation method of porous carbon materials, includes the following steps：(1) by cellulose fibre
30-60min is impregnated in the liquor zinci chloridi of 5wt%-40wt%, makes the dissolution of partial fiber surface of cellulose fibre；(2) go from
After curing a moment in sub- water, it is put into drying device and is dried；(3) it is carbonized using argon gas as protective atmosphere.
Further, cellulose fibre is impregnated 60min by the step (1) in the liquor zinci chloridi of 40wt%.
Further, the dry 2h of (2) 80 DEG C of step.
Further, described (3) 650 DEG C of carbonization 2h of step.
Further, the step (3) is carbonized using vacuum tube furnace.
Another aspect of the present invention also provides application of the above-mentioned porous carbon materials as electrode material.
Further, ultracapacitor device is made directly as two electrodes of button cell in porous carbon materials.
Further, by porous carbon materials and metal oxide or the compound obtained electrode material of conducting polymer, for method
Draw fake capacitance ultracapacitor.
The present invention also provides a kind of ultracapacitor, which includes porous active carbon electrode, the porous work
Property carbon electrode material be claim 1 prepare porous carbon materials.
Above-mentioned porous carbon materials are also used as sorbing material or catalyst carrier.
Present invention firstly provides completely new process, that is, selective surface's dissolution method using a kind of simple possible, to fiber
High temperature cabonization again after cellulose fiber is pre-processed, by being carried out to influence of the various process parameters to pore structure and chemical property
Research, obtains optimal procedure parameters, bigger serface, the porous active carbon material for enriching pore structure is prepared, as only
Vertical electrode material (not needing to dose conductive agent and binding agent) is prepared into ultracapacitor, and specific capacitance can reach 488F/g, much
More than existing similar ultracapacitor, have a extensive future；Can have by adjusting liquor zinci chloridi concentration and soaking time
The formation of effect control pore structure；Preparation process does not need to consume a large amount of acid-base reagents and the energy, environmental-friendly；The porous carbon materials
It is widely used, it is alternatively arranged as sorbing material and is adsorbed for liquid phase or as catalyst carrier.
Description of the drawings
Fig. 1 is porous carbon materials XRD diffraction patterns prepared by embodiment 1-4；
Fig. 2 is the Raman spectrum of porous carbon materials prepared by embodiment 1-4；
Fig. 3 is the nitrogen Adsorption and desorption isotherms of porous carbon materials prepared by embodiment 1-6；
Fig. 4 is the specific surface area of porous carbon materials prepared by embodiment 1-6；
Fig. 5 is graph of pore diameter distribution of the porous carbon materials of embodiment 1-6 preparations using DFT as model；
Fig. 6 is the scanning electron microscope (SEM) photograph of porous carbon materials prepared by embodiment 1-4；
Fig. 7 is the schematic diagram of selective surface's dissolution method.
In above-mentioned each figure, CF-0 represents a concentration of the 0 of liquor zinci chloridi；CF5-30 represents a concentration of of liquor zinci chloridi
5wt%, soaking time 30min；CF10-30 represents a concentration of 10wt%, soaking time 30min of liquor zinci chloridi；
CF20-30 represents a concentration of 20wt%, soaking time 30min of liquor zinci chloridi；CF40-30 represents the dense of liquor zinci chloridi
It spends for 40wt%, soaking time 30min；CF10-60 represents a concentration of 10wt% of liquor zinci chloridi, and soaking time is
60min；CF40-60 represents a concentration of 40wt%, soaking time 60min of liquor zinci chloridi.
Specific embodiment
The present invention is described in further details with reference to specific embodiment and attached drawing.
Embodiment 1-6 is the preparation of porous carbon materials, and embodiment 7 and 8 is the application of porous carbon materials.
Embodiment 1
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 5wt%, soaking time has
30 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 2
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 10wt%, soaking time has
30 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 3
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 20wt%, soaking time has
30 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 4
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 40wt%, soaking time has
30 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 5
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 10wt%, soaking time has
60 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 6
Filtering paper fiber (content of cellulose 90%) is impregnated using the liquor zinci chloridi of 40wt%, soaking time has
60 minutes, make the dissolution of partial fiber surface of cellulose fibre, after curing a moment in deionized water, be put into 650 DEG C of drying boxes
It is dried.Carbonisation carries out in 650 DEG C of vacuum tube furnace, and using argon gas as protective atmosphere, carbonization time is 2 small
When.Porous active carbon material is obtained after carbonization.
Embodiment 7
The present embodiment provides a kind of electric double layer super capacitor, the capacitance include button cell head cover, wave washer, gasket,
To electrode 1, diaphragm, to electrode 2, polypropylene seal pad and button cell box, to electrode 1 and to electrode 2 by identical in quality two
Part porous carbon materials are made under the premise of conductive agent and binding agent is not dosed, and the diaphragm between two pairs of electrodes uses glass
Tunica fibrosa.
Embodiment 8
The present embodiment provides a kind of Faraday pseudo-capacitance ultracapacitor, the electrode material of the capacitor is made by embodiment 6
Standby porous carbon materials are compound obtained with metal oxide or conducting polymer.
Detection and analysis
First, XRD diffraction is carried out to material prepared by embodiment 1-4, Fig. 1 is XRD diffraction patterns.The sample after high-temperature process
The XRD diffraction patterns of product show the characteristic diffraction peak (002), (100) and (101) of carbon, show the fiber after high-temperature process
Element is carbonized.
2nd, active carbon material prepared by embodiment 1-4 carries out Raman detection, and Raman spectrum is as shown in Figure 2.Raman spectrum is shown
Show as solution concentration from 5% increases to 40%, ID/IGAlso corresponding to improve, defect increases in sample, it should be due to selectivity
It is caused that surface dissolution method causes micropore to increase.
3rd, Fig. 3 is the nitrogen Adsorption and desorption isotherms of active carbon material prepared by embodiment 1-6；Fig. 4 is embodiment 1-6 systems
Standby sample specific surface area shows that specific surface area significantly improves as solution concentration from 5% increases to 40%.From Fig. 3 and Fig. 4
It can be seen that the specific surface area of CF40-60 is smaller than CF40-30, but the chemical property of CF40-60 is more preferable, because there is one
Micropore is divided not have the effect of adsorption charge.
4th, Fig. 5 be using DFT as the sample graph of pore diameter distribution of model, Fig. 5 is shown as solution concentration increases, produce with
Based on micropore (aperture is less than 2 nanometers), the hierarchical porous structure of mesoporous (aperture is 2-50 nanometers) is had concurrently.
5th, Fig. 6 is the scanning electron microscopic picture of porous carbon materials prepared by embodiment 1-4, and Fig. 6 shows porous carbon materials
Microscopic appearance, it was confirmed that the presence of hierarchical porous structure.
By characterizing above, it was demonstrated that relatively rich grade pore structure can be obtained by the method that selective surface is dissolved, it is former
Reason figure is as shown in Figure 7.By being soaked for a period of time in the liquor zinci chloridi of certain solution concentration, the outer layer quilt of cellulose fibre
It is partly dissolved, by deionized water solidification, two fiber types element is recrystallized between residual fiber cellulose fiber
(Cellulose II) and interfibrous " bridge-type " membrane structure is formed, in the forming process of this membrane structure, on surface
Numerous micropores or mesoporous can be generated, are carbonized to cellulose fibre, this structure is still remained behind well, so as to be formed
The porous active carbon material of bigger serface, abundant pore structure, electrochemical property test show that the abundant pore structure of the material has
Conducive to the quick diffusion and transmission of electrolyte ion during ultracapacitor charge and discharge.
6th, by the immersion treatment before carbonization, the specific surface area of carbon material significantly improves, from 244g/cm3(without chlorination
Zinc solution impregnates) it is increased to 1884g/cm3(embodiment 4), the specific surface area than Kuraray (Kurary) activated carbon improve
35%.7th, the carbon material prepared using embodiment 6 is reachable as the specific capacitance of button-shaped ultracapacitor made to electrode material
To 488F/g, the specific capacitance (175F/g) than Kurary activity charcoal super capacitors improves 179%.
Claims (10)
1. a kind of preparation method of porous carbon materials, which is characterized in that include the following steps：(1) cellulose fibre is existed
30-60min is impregnated in the liquor zinci chloridi of 5wt%-40wt%, makes the dissolution of partial fiber surface of cellulose fibre；(2) in deionization
After curing a moment in water, it is put into drying device and is dried；(3) it is carbonized using argon gas as protective atmosphere.
2. preparation method according to claim 1, which is characterized in that the step (1) is by cellulose fibre in 40wt%
Liquor zinci chloridi in impregnate 60min.
3. preparation method according to claim 1, which is characterized in that the dry 2h of (2) 80 DEG C of step.
4. preparation method according to claim 1, which is characterized in that described (3) 650 DEG C of carbonization 2h of step.
5. preparation method according to claim 4, which is characterized in that the step (3) is carbonized using vacuum tube furnace.
6. the application of porous carbon materials prepared by claim 1 as electrode material.
7. application according to claim 6, which is characterized in that porous carbon materials are right directly as two of button cell
Electrode, for double electric layers supercapacitor.
8. application according to claim 6, which is characterized in that by porous carbon materials and metal oxide or conducting polymer
Compound obtained electrode material, for Faraday pseudo-capacitance ultracapacitor.
9. a kind of ultracapacitor, which is characterized in that the ultracapacitor includes porous active carbon electrode, the porous active carbon
The material of electrode is porous carbon materials prepared by claim 1.
10. porous carbon materials prepared by claim 1 are as sorbing material or catalyst carrier.
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| CN201711452620.9A CN108198696B (en) | 2017-12-28 | 2017-12-28 | The preparation method and applications of porous carbon materials |
| PCT/CN2018/123612 WO2019129009A1 (en) | 2017-12-28 | 2018-12-25 | Preparation method for porous carbon material and use of same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987733A (en) * | 2018-09-11 | 2018-12-11 | 郑州大学 | A kind of preparation method of the active porous carbon@FeS of lithium ion battery negative material |
| WO2019129009A1 (en) * | 2017-12-28 | 2019-07-04 | 青岛大学 | Preparation method for porous carbon material and use of same |
| CN113149004A (en) * | 2021-04-26 | 2021-07-23 | 河北科技师范学院 | Preparation method of biomass porous carbon with high specific surface area |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038107B (en) * | 2020-05-19 | 2021-10-15 | 延边大学 | Preparation and application of MnO/spore group double-doped porous carbon microsphere composite material |
| CN112563844B (en) * | 2020-12-03 | 2022-03-04 | 中国电力科学研究院有限公司 | Flexible graphite/continuous carbon fiber composite conductive grounding material and preparation method thereof |
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| CN106006630A (en) * | 2016-05-19 | 2016-10-12 | 青岛大学 | Method for preparing activated carbon materials |
| CN107424850A (en) * | 2016-05-23 | 2017-12-01 | 中国海洋大学 | It is a kind of to prepare the method for cellulose base porous carbon materials using hydro-thermal-activation-pyrolysismethod and be used for electrode of super capacitor |
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| CN101397135A (en) * | 2008-10-07 | 2009-04-01 | 东华大学 | Method for treating textile solid waste |
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| CN108198696B (en) * | 2017-12-28 | 2019-07-05 | 青岛大学 | The preparation method and applications of porous carbon materials |
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| CN106006630A (en) * | 2016-05-19 | 2016-10-12 | 青岛大学 | Method for preparing activated carbon materials |
| CN107424850A (en) * | 2016-05-23 | 2017-12-01 | 中国海洋大学 | It is a kind of to prepare the method for cellulose base porous carbon materials using hydro-thermal-activation-pyrolysismethod and be used for electrode of super capacitor |
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| XUAN DU, ET AL.: ""Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber"", 《IONICS》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019129009A1 (en) * | 2017-12-28 | 2019-07-04 | 青岛大学 | Preparation method for porous carbon material and use of same |
| CN108987733A (en) * | 2018-09-11 | 2018-12-11 | 郑州大学 | A kind of preparation method of the active porous carbon@FeS of lithium ion battery negative material |
| CN108987733B (en) * | 2018-09-11 | 2021-04-27 | 郑州大学 | Preparation method of active porous carbon @ FeS of lithium ion battery cathode material |
| CN113149004A (en) * | 2021-04-26 | 2021-07-23 | 河北科技师范学院 | Preparation method of biomass porous carbon with high specific surface area |
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| WO2019129009A1 (en) | 2019-07-04 |
| CN108198696B (en) | 2019-07-05 |
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