CN103050294B - A kind of preparation method of active carbon/carbon nano tube composite aerogel electrode material - Google Patents
A kind of preparation method of active carbon/carbon nano tube composite aerogel electrode material Download PDFInfo
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- CN103050294B CN103050294B CN201310031445.1A CN201310031445A CN103050294B CN 103050294 B CN103050294 B CN 103050294B CN 201310031445 A CN201310031445 A CN 201310031445A CN 103050294 B CN103050294 B CN 103050294B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 55
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 55
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 239000007772 electrode material Substances 0.000 title claims abstract description 43
- 239000004964 aerogel Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000005011 phenolic resin Substances 0.000 claims abstract description 15
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 28
- 125000000687 hydroquinonyl group Chemical class C1(O)=C(C=C(O)C=C1)* 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 16
- 229910052786 argon Inorganic materials 0.000 claims description 14
- 239000002048 multi walled nanotube Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000004108 freeze drying Methods 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000003763 carbonization Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002109 single walled nanotube Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000000352 supercritical drying Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 239000004966 Carbon aerogel Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003860 storage 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
Landscapes
- Carbon And Carbon Compounds (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of preparation method of active carbon/carbon nano tube composite aerogel electrode material, belong to the preparation field of ultracapacitor carbon electrode.The present invention is with carbon cloth or graphite paper for collector, take phenolic resins as carbon source, adopts supercritical drying or cryodesiccated method original position to prepare active carbon/carbon nano tube composite aerogel electrode material.Prepared electrode material can make the even compound of active carbon/carbon, is formed and has macropore, the network-like active carbon/carbon nano tube composite aerogel electrode material of high-ratio surface that is mesoporous and micropore.The obtained electrode material of the method at normal temperatures ratio capacitance up to 390F/g.It is simple that this electrode material has preparation method, and the advantages such as ratio capacitance is high, good conductivity, have potential application prospect in high specific capacitance ultracapacitor.
Description
Technical field
The present invention relates to a kind of manufacture method of active carbon/carbon nano tube composite aerogel electrode material, particularly, relate to a kind of with high specific surface carbon and high conductivity carbon nano-tube for component, there is macropore, composite aerogel that is mesoporous and micropore hierarchical porous structure be the method that electrode material for super capacitor prepared by raw material.
Background technology
Ultracapacitor (supercapacitor), the new power type electronic devices and components occurred along with the breakthrough of material science in recent years, it utilizes electrode and electrolyte contact interface to say, and the electric double layer effect of generation and fake capacitance effect carry out energy storage, there is high specific power and long cycle life, the discharge and recharge of energy instantaneous large-current, also has the features such as safe and reliable simultaneously.The ultracapacitor of low discharging current can be used as the primary power source of computer, digital equipment or midget plant; Ampere level big current ultracapacitor separately or can form power-supply system together with battery, both can do to start power supply, for tank, aircraft, rocket etc.The high-power super capacitor compound power supply in parallel with secondary cell or fuel cell can meet that electric automobile starts, peak power demand when climbing, the accumulator of energy regenerating is can be used as again when vehicle descending, brake, therefore cause in recent years and pay close attention to widely, and have bright application scenario.
At present, the energy density (the electric energy wh/kg namely stored by Unit Weight) restricting the bottleneck mainly ultracapacitor of supercapacitor applications is lower.The energy density of secondary cell main in the world and the energy density of ultracapacitor contrast as follows:
Excide battery: 20 wh/kg
Cadmium nickel, Ni-MH battery: 20 ~ 60 wh/kg
Lithium battery: 120 ~ 140 wh/kg
Ultracapacitor: 1 ~ 20 wh/kg
More than can find out, super capacitor energy density is compared low, therefore how to improve energy density to meet the important topic that its needs as energy storage device are ultracapacitor development.
The core of ultracapacitor is the technology of preparing of electrode material, and the quality key of its performance depends on the quality of electrode material performance.Computing formula from super capacitor energy density:
E = 1/2 C·V
2
C = ε·A / 3.6 π d·10
-6(μF)
Wherein E is energy density, and C is electrode ratio capacitance value, and V is interelectrode voltage drop, and ε is relative dielectric constant, and A is electrode material area, and d is dielectric thickness.Visible, obtain larger energy density if want, the electrode material with high specific capacitance must be prepared.
The material that specific area is larger has higher ratio capacitance usually as active carbon, activated carbon fiber, carbon aerogels etc., is all once studied as electrode material for super capacitor and portion of material (as active carbon) industrialization.The ratio capacitance of normal activated carbon is generally at 200 below F/g, and energy density is less than 5 wh/kg.This mainly because absorbent charcoal material conductivity is very poor, needs to add high conductivity material if graphite, carbon fiber etc. are to improve its conductivity in use, reduces electrode interior impedance.The unique effect in the electrodes of these electric conducting materials is exactly increase the conductivity between activated carbon granule, because its specific area is very little, does not almost contribute the energy storage of carbon resistance rod.The addition of electric conducting material is generally 10 ~ 20% of electrode quality.Therefore, electric conducting material be added in the performance reducing ultracapacitor to a great extent.Therefore, exploitation has the hot issue that the electrode material of satisfactory electrical conductivity is the research of current carbon electrode.Carbon nano-tube is due to the one-dimentional structure of its uniqueness, and high degree of graphitization, has excellent electricity and mechanical property, is one of focus of conduction area research from discovery so far always.Carbon nano-tube is also often studied by as electrode material for super capacitor itself, but due to its specific area less, generally at 200 m
2/ below g, its ratio capacitance and energy density are all less.
Summary of the invention
The object of the invention is to the preparation method developing a kind of active carbon/carbon nano tube composite aerogel electrode material, this electrode material can in conjunction with advantages such as the high conductivity of the high-ratio surface sum carbon nano-tube of carbon.
Complete foregoing invention object and say that the concrete technical measures taked are:
The present invention uses sol-gel process and Freeze Drying Technique, preparation active carbon/carbon nano tube composite aerogel electrode material.Using sol-gel process to prepare composite material can make two kinds of components be uniformly distributed, and has excellent interfacial combined function.Freeze Drying Technique is used to prepare aerogel structure, the specific area of composite material can be increased further, improve combination electrode material internal structure simultaneously, form macropore, hierarchical porous structure that mesoporous and micropore coexists, improve the ratio capacitance performance of electrode material further.This combination electrode material does not use any heavy metal and oxide thereof, as MnO
2, RuO, V
2o
5deng.
Manufacture method of the present invention comprises the steps:
A preparation method for active carbon/carbon nano tube composite aerogel electrode material, comprises the following steps:
(1) preparation of phenolic resins/carbon nano-tube composite aerogel: ultrasonic disperse carbon nano-tube is in aqueous put into collector, add hydroquinones and formaldehyde that weight ratio is 1:2.5 ~ 3 again, and add catalyst and structure directing agent, react at 60 ~ 100 DEG C and form phenolic resins/carbon nano-tube plural gel in 2 ~ 4 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 1 ~ 4 day; The consumption of described catalyst is 5 ~ 15mmol/ml, and the consumption of described structure directing agent is 0 ~ 4 times of hydroquinones quality;
(2) preparation of active carbon/carbon nano tube composite aerogel electrode material: by phenolic resins/carbon nano-tube composite aerogel obtained for step (1) 300 ~ 1000 DEG C, under inert gas shielding charing within 1 ~ 4 hour, form active carbon/carbon nano tube composite aerogel; extract collector out; remove surplus carbon, obtain described active carbon/carbon nano tube composite aerogel electrode material.
Described carbon nano-tube is one in Single Walled Carbon Nanotube and multi-walled carbon nano-tubes or both mixing, and length is 1 ~ 50 μm.
Described collector is carbon cloth or graphite paper.
In step (1), carbon nano-tube mass fraction is in aqueous 1 ~ 20%.
In step (1), the mass ratio of carbon nano-tube and hydroquinones is 1:0.5 ~ 2.
Described catalyst is sodium carbonate, and structure directing agent is PEO
20-PP0
70-PEO
20and PEO (P123)
105-PP0
70-PEO
105(F127) a kind of in or both mixing, it act as and improves combination electrode material intermediary hole area ratio shared in all specific areas, thus the utilization ratio of increasing specific surface area, promote the ratio capacitance value of active carbon/carbon nano tube composite aerogel electrode material further.
Under described inert gas shielding, carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.
Active carbon/carbon nano tube composite aerogel electrode material obtained by the present invention combines the advantage of active carbon high-ratio surface sum carbon nano-tube high conductivity, the mesoporous of active carbon and micropore storage electric charge can be made full use of in electrode charge and discharge process, thus substantially increase the ratio capacitance of material.The ratio capacitance of the electrode material that the method obtains when the cyclic voltammetry scan speed of 20mV/s is 260 ~ 390 F/g.
Embodiment
Below by embodiment, the present invention is specifically described, but only for the invention will be further described, can not limiting the scope of the invention be interpreted as.To the other changes and modifications that those skilled in the art makes when not deviating from the present invention's spirit and protection range, be still included within scope.
Embodiment 1
Getting carbon cloth is collector, by diameter be 20 multi-walled carbon nano-tubes 0.1 g be added to the water ultrasonic, ratio by weight 1:3 adds hydroquinones and formaldehyde, the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:1, sodium carbonate amount is 10 mmol/ml, add structure directing agent P123 (mass ratio of itself and hydroquinones is 2:1), react at 85 DEG C and form gel in 3 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 2 days, by this aeroge at 900 DEG C, under argon shield, charing prepares active carbon/carbon nano tube composite aerogel electrode material in 4 hours.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 600 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 390 F/g.
Embodiment 2
Getting carbon cloth is collector, by diameter be 20 multi-walled carbon nano-tubes 0.1 g be added to the water ultrasonic, ratio by weight 1:3 adds hydroquinones and formaldehyde, the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:1, sodium carbonate amount is 10 mmol/ml, add structure directing agent P123 (mass ratio of itself and hydroquinones is 1:1), react at 85 DEG C and form gel in 3 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 2 days, by this aeroge at 900 DEG C, under argon shield, charing prepares active carbon/carbon nano tube composite aerogel electrode material in 4 hours.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 500 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 320 F/g.
Embodiment 3
Getting carbon cloth is collector, by diameter be 20 multi-walled carbon nano-tubes 0.1 g be added to the water ultrasonic, ratio by weight 1:3 adds hydroquinones and formaldehyde, the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:1, sodium carbonate amount is 10 mmol/ml, add structure directing agent F123 (mass ratio of itself and hydroquinones is 2:1), react at 85 DEG C and form gel in 3 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 2 days, by this aeroge at 900 DEG C, under argon shield, charing prepares active carbon/carbon nano tube composite aerogel electrode material in 4 hours.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 400 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 180 F/g.
Embodiment 4
Getting carbon cloth is collector; by diameter be 20 multi-walled carbon nano-tubes 0.1 g be added to the water ultrasonic; ratio by weight 1:3 adds hydroquinones, formaldehyde; the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:1; sodium carbonate amount is 10 mmol/ml; do not add structure directing agent; react at 85 DEG C and form gel in 3 days; freeze drying 2 days forms phenolic resins/carbon nano-tube composite aerogel, by this aeroge 900 DEG C, under argon shield charing within 4 hours, prepare active carbon/carbon nano tube composite aerogel electrode material.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 700 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 240 F/g.
Embodiment 5
Getting carbon cloth is collector, be that Single Walled Carbon Nanotube 0.1 g is added to the water ultrasonic by diameter, ratio by weight 1:3 adds hydroquinones, formaldehyde, the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:1, sodium carbonate amount is 10 mmol/ml, add structure directing agent P123 (mass ratio of itself and hydroquinones is 2:1), react at 85 DEG C and form gel in 3 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 2 days, by this aeroge at 900 DEG C, under argon shield, charing prepares active carbon/carbon nano tube composite aerogel electrode material in 4 hours.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 600 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 370 F/g.
Embodiment 6
Getting carbon cloth is collector, by diameter be 20 multi-walled carbon nano-tubes 0.1 g be added to the water ultrasonic, ratio by weight 1:3 adds hydroquinones, formaldehyde, the mass ratio of hydroquinones and multi-walled carbon nano-tubes is 1:2, sodium carbonate amount is 10 mmol/ml, add structure directing agent P123 (mass ratio of itself and hydroquinones is 2:1), react at 85 DEG C and form gel in 3 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 2 days, by this aeroge at 900 DEG C, under argon shield, charing prepares active carbon/carbon nano tube composite aerogel electrode material in 4 hours.Carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2 h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2 h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100 ml/min.Composite material specific area is about 400 m
2/ g, in 1M KOH electrolyte, record ratio capacitance is 190 F/g.
Claims (5)
1. a preparation method for active carbon/carbon nano tube composite aerogel electrode material, is characterized in that, comprises the following steps:
(1) preparation of phenolic resins/carbon nano-tube composite aerogel: ultrasonic disperse carbon nano-tube is in aqueous put into collector, add hydroquinones and formaldehyde that weight ratio is 1:2.5 ~ 3 again, and add catalyst and structure directing agent, react at 60 ~ 100 DEG C and form phenolic resins/carbon nano-tube plural gel in 2 ~ 4 days, freeze drying forms phenolic resins/carbon nano-tube composite aerogel in 1 ~ 4 day; The consumption of described catalyst is 5 ~ 15mmol/ml, and the consumption of described structure directing agent is 0 ~ 4 times of hydroquinones quality;
(2) preparation of active carbon/carbon nano tube composite aerogel electrode material: by phenolic resins/carbon nano-tube composite aerogel obtained for step (1) 300 ~ 1000 DEG C, under inert gas shielding charing within 1 ~ 4 hour, form active carbon/carbon nano tube composite aerogel, extract collector out, remove surplus carbon, obtain described active carbon/carbon nano tube composite aerogel electrode material;
Described collector is carbon cloth or graphite paper;
Under described inert gas shielding, carbonization process needs by sectional temperature-controlled realization; controlling heating rate is 1 ~ 5 DEG C/min; first 300 ~ 500 DEG C are warming up to; be incubated 0.5 ~ 2h at such a temperature; then 600 ~ 1000 DEG C are warming up to; be incubated 1 ~ 2h at such a temperature, inert protective gas is nitrogen and argon gas, and airflow rate is 40 ~ 100ml/min.
2. the preparation method of active carbon/carbon nano tube composite aerogel electrode material according to claim 1, is characterized in that, described carbon nano-tube is one in Single Walled Carbon Nanotube and multi-walled carbon nano-tubes or both mixing, and length is 1 ~ 50 μm.
3. the preparation method of active carbon/carbon nano tube composite aerogel electrode material according to claim 1, is characterized in that, in step (1), carbon nano-tube mass fraction is in aqueous 1 ~ 20%.
4. the preparation method of active carbon/carbon nano tube composite aerogel electrode material according to claim 1, is characterized in that, in step (1), the mass ratio of carbon nano-tube and hydroquinones is 1:0.5 ~ 2.
5. the preparation method of active carbon/carbon nano tube composite aerogel electrode material according to claim 1, is characterized in that, described structure directing agent is PEO
20-PP0
70-PEO
20and PEO
105-PP0
70-PEO
105in a kind of or both mixing, described catalyst is sodium carbonate.
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| CN103779106A (en) * | 2013-12-31 | 2014-05-07 | 昆明纳太能源科技有限公司 | Nanometer carbon paper for super-capacitor and preparing method thereof |
| CN104600307B (en) * | 2015-01-13 | 2017-02-08 | 上海交通大学 | Preparation method of multiwalled carbon nanotube for lithium air battery positive electrode |
| CN105047433B (en) * | 2015-06-30 | 2018-02-16 | 西安理工大学 | A kind of preparation method of super capacitor electrode |
| CN106206066B (en) * | 2016-07-13 | 2018-11-20 | 洛阳力容新能源科技有限公司 | Epoxy resin-matrix porous carbon materials, absorbent charcoal composite material, preparation method and application |
| JP2020501367A (en) * | 2016-12-02 | 2020-01-16 | ファーストキャップ・システムズ・コーポレイションＦａｓｔＣＡＰ ＳＹＳＴＥＭＳ Ｃｏｒｐｏｒａｔｉｏｎ | Composite electrode |
| CN108598489A (en) * | 2018-01-29 | 2018-09-28 | 东莞市航盛新能源材料有限公司 | A kind of 3D complex coppers and preparation method thereof and a kind of collector and its application |
| CN108987702B (en) * | 2018-07-16 | 2021-03-12 | 西安交通大学苏州研究院 | Integrated electrode material based on composite aerogel and preparation and application thereof |
| US11557765B2 (en) | 2019-07-05 | 2023-01-17 | Fastcap Systems Corporation | Electrodes for energy storage devices |
| CN110665442B (en) * | 2019-09-27 | 2022-02-22 | 北京林业大学 | Composite activated carbon aerogel and preparation method and application thereof |
| CN111724999B (en) * | 2020-06-18 | 2022-11-18 | 郑州轻工业大学 | Carbon nanotube/activated carbon composite material of core-sheath nano cable structure and preparation method thereof |
| CN113161161B (en) * | 2021-03-17 | 2023-12-26 | 昆山昆鹏利杰高分子材料技术有限公司 | Nano carbon material composite resin hard carbon electrode material and preparation method and application thereof |
| CN113387344B (en) * | 2021-06-28 | 2022-11-25 | 中国科学院合肥物质科学研究院 | Method for preparing carbon aerogel with assistance of epichlorohydrin |
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| CN102682928A (en) * | 2012-06-11 | 2012-09-19 | 华东理工大学 | Preparation method of mesoporous carbon nanosheet and application of mesoporous carbon nanosheet as electrode material of super capacitor |
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