CN107500289A - A kind of compound, its preparation method and its application of graphene and activated carbon - Google Patents
A kind of compound, its preparation method and its application of graphene and activated carbon Download PDFInfo
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- CN107500289A CN107500289A CN201710711891.5A CN201710711891A CN107500289A CN 107500289 A CN107500289 A CN 107500289A CN 201710711891 A CN201710711891 A CN 201710711891A CN 107500289 A CN107500289 A CN 107500289A
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- 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
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
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Abstract
The invention provides the compound of a kind of graphene and activated carbon, its preparation method and its application, method to include：By after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.3~5:1 mass ratio mixing, obtains hybrid resin；By hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；Activation pore creating material is mixed with resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains the compound of graphene and activated carbon.The compound of graphene and activated carbon is made using phenol aldehyde type and acrylic type cationic ion-exchange resin situ study for this method, and method is simple, it is easy to accomplish industrialization；Obtained compound is applied has excellent chemical property in ultracapacitor.In 0.1Ag‑1Current density under, specific capacity is in 290~310Fg‑1, capability retention is 90~95% after circulating 3000 times.
Description
Technical field
The present invention relates to activated carbon composite technology field, more particularly to the compound of a kind of graphene and activated carbon, its
Preparation method and applications.
Background technology
Activated carbon has the advantages such as specific surface area is big, adjustable, the chemical stability height of aperture structure and adjusted by technique
The means such as control, modification can be such that its performance further optimizes, and turn into the preferred material of electrode of super capacitor, and at present
The most ripe electrode material of commercial level.Preferable activated carbon for super capacitors should possess high-specific surface area, abundant
Effective aperture structure, conduct electricity very well, the characteristic such as electrochemical performance, but because absorbent charcoal material possesses abundant space
Structure, it is not fine to cause its electric conductivity, so as to influence the cyclical stability of electrode material and high rate performance.Therefore, endeavour
Conduct electricity very well in development, pore-size distribution rational absorbent charcoal material higher than surface is imperative, and one very valuable
It is worth the research work of meaning.
Graphene is a kind of individual layer laminated structure being made up of carbon atom, and the two-dimentional material of only one carbon atom thickness
Material.Electron mobility under graphene normal temperature is more than 15000cm2/ Vs, higher than CNT and crystalline silicon；The resistance of graphene
Rate only has 10-6Ω cm, it is lower than copper and Yin Geng, it is the minimum material of current resistivity.Graphene possesses the electric conductivity of superelevation and good
Good chemical property, thus activated carbon and graphene is compound, the electric conductivity of active carbon electrode material can be lifted, and then lifted
Its chemical property.
There are many kinds on activated carbon and the compound method of graphene at present.For example, absorbent charcoal powder body and graphene are led to
The mechanical systems such as ball milling, stirring are crossed directly to mix.Graphene dispersion is irregular in the mixed powder that this method obtains.Also method is
Using the water solubility of graphene oxide, by adding surfactant, graphene oxide is mixed with activated carbon, then by heat also
Original obtains the composite of activated carbon and graphene, although this method solves the problems, such as incomplete mixing to a certain extent,
Technique is complex, increases energy consumption.
The content of the invention
In view of this, it is an object of the invention to provide the compound of a kind of graphene and activated carbon, its preparation method and
It is applied, and compound is made in the preparation method situ study, and method is simple, and obtained compound has excellent electrochemistry
Performance.
The invention provides the preparation method of a kind of graphene and the compound of activated carbon, comprise the following steps：
By after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.3~5:1
Mass ratio mixing, obtain hybrid resin；
By the hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；
Activation pore creating material is mixed with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains stone
The compound of black alkene and activated carbon.
Preferably, the phenolic resin is selected from model D122 phenolic resin and/or model D125 phenolic resin；
The acrylic type resin is selected from model D133 acrylic resins.
Preferably, the mass ratio of the metallic catalyst and hybrid resin is 1:5~50.
Preferably, the metallic catalyst is selected from molysite, ferrous salt, nickel salt, cobalt salt, mantoquita, the iron cyanide and ferrous cyanogen
One or more in compound.
Preferably, the activation pore creating material is selected from vapor, carbon dioxide, potassium hydroxide, sodium hydroxide, zinc chloride and phosphorus
One or more in acid.
Preferably, the activation pore creating material and the mass ratio of resin carbon source are 5~50:1.
Preferably, the temperature of the heating is 650 DEG C~850 DEG C；
The time of the heating is 1~9h.
Preferably, phenol aldehyde type cationic ion-exchange resin and acrylic type the cationic ion-exchange resin respective pretreatment bag
Include：
Phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin are respectively adopted into water to rinse, then used
NaOH solution 2~4h of alternate immersion that the HCl solution and mass concentration that mass concentration is 4~5% are 4~5%, adopted between replacing
It is close neutral to water outlet with water wash, so repeatedly 2~3 times, the phenol aldehyde type cationic ion-exchange resin and propylene pre-processed
Acid type cationic ion-exchange resin.
The invention provides a kind of graphene and the compound of activated carbon, the preparation method system as described in above-mentioned technical proposal
.
The invention provides a kind of application of the compound of graphene and activated carbon in ultracapacitor；
The compound of the graphene and activated carbon is made for preparation method described in above-mentioned technical proposal or above-mentioned technical side
The compound of graphene described in case and activated carbon.
The invention provides the preparation method of a kind of graphene and the compound of activated carbon, comprise the following steps：By phenolic aldehyde
With 0.3~5 after type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment:1 mass ratio mixing, is obtained
To hybrid resin；By the hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；Pore-creating will be activated
Agent mixes with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains the compound of graphene and activated carbon
Thing.Graphene is made using phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin situ study in this method
It is simple with the compound of activated carbon, method, it is easy to accomplish industrialization；Obtained compound is applied in ultracapacitor with excellent
Different chemical property.Test result indicates that：In 0.1Ag-1Current density under, specific capacity is in 290~310Fg-1Between,
Capability retention is between 90%~95% after circulating 3000 times.
Brief description of the drawings
Fig. 1 is that the SEM of graphene and active Carbon composites that case study on implementation 1 of the present invention obtains schemes；
Fig. 2 is charge and discharge of the obtained graphene of case study on implementation 1 of the present invention from active Carbon composites under different current densities
Electrograph；
Fig. 3 is that the electrochemical cycle stability of graphene and active Carbon composites that case study on implementation 1 of the present invention obtains is tested
Figure.
Embodiment
The invention provides the preparation method of a kind of graphene and the compound of activated carbon, comprise the following steps：
By after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.3~5:1
Mass ratio mixing, obtain hybrid resin；
By the hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；
Activation pore creating material is mixed with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains stone
The compound of black alkene and activated carbon.
This method is made using phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin situ study
The compound of graphene and activated carbon, method are simple, it is easy to accomplish industrialization；Obtained compound is applied in ultracapacitor
With excellent chemical property.
The present invention by after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.8
~1.2:1 mass ratio mixing, obtains hybrid resin.In the present invention, the phenolic resin is preferably selected from model D122
Phenolic resin and/or model D125 phenolic resin；
The acrylic type resin is preferably selected from model D133 acrylic resins.
In the present invention, the mass ratio of the phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin is
0.3~5:1, preferably 0.8~1.2:1.
In the present invention, phenol aldehyde type cationic ion-exchange resin and acrylic type the cationic ion-exchange resin respective pretreatment
Preferably include：
Phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin are respectively adopted into water to rinse, then used
NaOH solution 2~4h of alternate immersion that the HCl solution and mass concentration that mass concentration is 4~5% are 4~5%, adopted between replacing
It is close neutral to water outlet with water wash, so repeatedly 2~3 times, the phenol aldehyde type cationic ion-exchange resin and propylene pre-processed
Acid type cationic ion-exchange resin.
After obtaining hybrid resin, the hybrid resin metal supported catalyst is obtained being loaded with catalyst by the present invention
Resin carbon source.In the present invention, the metallic catalyst is preferably selected from molysite, ferrous salt, nickel salt, cobalt salt, mantoquita, the iron cyanide
With the one or more in ferrocyanide, the one or more being more preferably selected from ferric nitrate, nickel acetate and cobalt acetate.It is described
Metallic catalyst is preferably catalyzed in the form of metal catalyst solution；The molar concentration of the metal catalyst solution is preferred
For 0.001~1mmol/L, more preferably 0.01~0.1mmol/L；Solvent in the metal catalyst solution be preferably go from
Sub- water and/or ethanol.In the present invention, the mass ratio of the metallic catalyst and hybrid resin is preferably 1:5~50, more preferably
For 1:10~45, most preferably 1:15~40.The hybrid resin being capable of adsorbing metal catalyst.
After obtaining resin carbon source, the present invention mixes activation pore creating material with the resin carbon source, adds at 400~1000 DEG C
Heat 0.5~10 hour, obtains the compound of graphene and activated carbon.
In order that obtained graphene and activated carbon mixing material have abundant pore structure, the present invention is using activation pore-creating
Agent.In the present invention, the activation pore creating material is preferably selected from vapor, carbon dioxide, potassium hydroxide, sodium hydroxide, zinc chloride
With the one or more in phosphoric acid, potassium hydroxide and/or sodium hydroxide are more preferably selected from.The activation pore creating material and resin carbon source
Mass ratio be preferably 5~50:1, more preferably 10~45:1, most preferably 15~40:1.
The present invention is preferably heated under protection gas gas atmosphere or vacuum environment；The protective gas is preferably inertia
Gas and/or nitrogen.
The temperature of the heating is 400~1000 DEG C, preferably 650 DEG C~850 DEG C；The time of the heating be 0.5~
10, preferably 1~9h, more preferably 2~8h.
After completing the heat treatment, the present invention preferably carries out the product being thermally treated resulting in pickling, washing successively, to remove
The metal and metal salt remained in the compound finally given.Acid solution used in affiliated pickling preferably includes hydrochloric acid, sulfuric acid and nitre
One or more in acid：Water used in the washing is preferably deionized water；In the present invention, described pickling and washing are
Method well known to those skilled in the art.
After completing the pickling, the present invention preferably dries the product after pickling, obtains the compound of graphene and activated carbon
Thing.In the present invention, preferably 40~100 DEG C of the temperature of the drying, more preferably 60~100 DEG C, more preferably 60~80 DEG C；
The present invention does not have special limitation to the drying time, and moisture is all removed.
The invention provides a kind of graphene and the compound of activated carbon, the preparation method system as described in above-mentioned technical proposal
.
The specific surface area of the compound of the graphene and activated carbon is 1500~3000m2g-1。
The invention provides a kind of application of the compound of graphene and activated carbon in ultracapacitor；
The compound of the graphene and activated carbon is made for preparation method described in above-mentioned technical proposal or above-mentioned technical side
The compound of graphene described in case and activated carbon.In the present invention, the compound of the graphene and activated carbon has excellent
Chemical property, it can apply in ultracapacitor.
The present invention is tested the chemical property of above-mentioned graphene and the compound of activated carbon, and method of testing is specific
For：The present invention is tested from three electrode test systems, the reference electrode used in experiment and be respectively saturation Ag/ to electrode
AgCl electrodes and Pt electrodes.Working electrode preparation flow is as follows：Active material, conductive agent (carbon black), binding agent (PVDF) are pressed
Mass ratio 8:1:1 is well mixed, by the use of METHYLPYRROLIDONE as dispersant, is sufficiently mixed and is ground to homogeneous paste, then
Above-mentioned pasty mass is equably coated in foamed nickel current collector, then 120 DEG C of vacuum drying 12h, then place it in powder pressure
Tabletting on piece machine, pressure 5MPa, time 1min, pole piece is obtained, is weighed.Electrolyte is 6mol/L KOH solutions.
The invention provides the preparation method of a kind of graphene and the compound of activated carbon, comprise the following steps：By phenolic aldehyde
With 0.3~5 after type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment:1 mass ratio mixing, is obtained
To hybrid resin；By the hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；Pore-creating will be activated
Agent mixes with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains the compound of graphene and activated carbon
Thing.Graphene is made using phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin situ study in this method
It is simple with the compound of activated carbon, method, it is easy to accomplish industrialization；Obtained compound is applied in ultracapacitor with excellent
Different chemical property.
In order to further illustrate the present invention, with reference to embodiment to a kind of graphene provided by the invention and activated carbon
Compound, its preparation method and its application are described in detail, but they can not be interpreted as to the scope of the present invention
Limit.
Resin uses the model D122 of Bengbu Liaoyuan new material Co., Ltd production, model in following examples
D125 phenol aldehyde type cationic ion-exchange resin and model D133 acrylic type cationic ion-exchange resin.
Embodiment 1
Prepare 0.01g/ml Ni-acetate solution；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 0.8:1 mixing, is used in combination
Clear water is rinsed to resin, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, with a large amount of clear between soda acid
Water wash is to water outlet close to neutrality, and so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time is handled
Soaked with the HCl solution that mass fraction is 4~5%, being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with Ni-acetate solution
It is loaded with the resin carbon source of catalyst, the mass ratio of nickel acetate and hybrid resin is 1:20；
Potassium hydroxide is mixed into (mass ratio 20 with above-mentioned resin carbon source:1), then in a nitrogen atmosphere, 800 DEG C of processing
5h, dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtain the compound of graphene and activated carbon.
Fig. 1 is that the SEM of graphene and active Carbon composites that case study on implementation 1 of the present invention obtains schemes, as can see from Figure 1
The graphene of flaky texture.
The present invention is shown in Table using above method test graphene and the chemical property of the compound of activated carbon, test result
1 and Fig. 2, table 1 are the compound of graphene prepared by the embodiment of the present invention 1~6 and activated carbon, the phenol of comparative example 1a~6a preparations
The chemical property result of acrylic resin prepared by urea formaldehyde and comparative example 1b~6b；As shown in Table 1, in 0.1Ag-1Electric current
Under density, specific capacity is in 290~310Fg-1Between.Fig. 2 is that the graphene that case study on implementation 1 of the present invention obtains and activated carbon are compound
Charge and discharge electrograph of the thing under different current densities；As shown in Figure 2：The graphene that case study on implementation 1 of the present invention obtains is answered with activated carbon
Compound is in 0.1Ag-1Current density under, specific capacity reaches 310Fg-1。
Fig. 3 is that the electrochemical cycle stability of graphene and active Carbon composites that case study on implementation 1 of the present invention obtains is tested
Figure.From the figure 3, it may be seen that capability retention is between 90%~95% after circulating 3000 times.
The presoma that comparative example 1a and 1b are used is respectively single D125 phenolic resin and single D133 propylene
Acid resin, remaining subsequent treatment are same as Example 1.From table 1, the chemical property of one-component presoma is not so good as D125
Phenolic resin and D133 the obtained chemical property of composite of acrylic resin mixing presoma.
Graphene and the compound of activated carbon prepared by the embodiment of the present invention 1~6 of table 1
Chemical property result
| Embodiment | Specific capacitance (0.1Ag-1) |
| Embodiment 1 | 310F·g-1 |
| Comparative example 1a | 250F·g-1 |
| Comparative example 1b | 245F·g-1 |
| Embodiment 2 | 305F·g-1 |
| Comparative example 2a | 244F·g-1 |
| Comparative example 2b | 250F·g-1 |
| Embodiment 3 | 314F·g-1 |
| Comparative example 3a | 278F·g-1 |
| Comparative example 3b | 267F·g-1 |
| Embodiment 4 | 290F·g-1 |
| Comparative example 4a | 233F·g-1 |
| Comparative example 4b | 229F·g-1 |
| Embodiment 5 | 285F·g-1 |
| Comparative example 5a | 220F·g-1 |
| Comparative example 5b | 216F·g-1 |
| Embodiment 6 | 301F·g-1 |
| Comparative example 6a | 258F·g-1 |
| Comparative example 6b | 246F·g-1 |
Embodiment 2
Prepare 0.01g/ml iron nitrate solution；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 1.2:1 mixing, with clear
Water is rinsed to resin, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, with a large amount of clear water between soda acid
Elution is to water outlet close to neutrality, and so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time processing is used
The HCl solution that mass fraction is 4~5% is soaked, and being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with iron nitrate solution
It is loaded with the resin carbon source of catalyst, the mass ratio of ferric nitrate and hybrid resin is 1:5；
Sodium hydroxide is mixed into (mass ratio 5 with above-mentioned resin carbon source:1), then in a nitrogen atmosphere, 650 DEG C of processing 9
Minute, dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtain the compound of graphene and activated carbon.
The graphene and the electrochemistry of the compound of activated carbon that the present invention is prepared using above method testing example 2
Can, test result is shown in Table 1.
The presoma that comparative example 2a and 2b are used is respectively single D125 phenolic resin and single D133 propylene
Acid resin, remaining subsequent treatment are same as Example 2.From table 1, the chemical property of the presoma of one-component is not so good as
The chemical property for the composite that D125 phenolic resin and D133 acrylic resin mixing presoma obtain.
Embodiment 3
Prepare 0.01g/ml acetic acid cobalt liquor；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 5:1 mixing, uses clear water
Resin is rinsed, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, drenched between soda acid with a large amount of clear water
Water outlet is washed till close to neutrality, so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time processing matter
The HCl solution that amount fraction is 4~5% is soaked, and being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with acetic acid cobalt liquor
It is loaded with the resin carbon source of catalyst, the mass ratio of cobalt acetate and hybrid resin is 1:50；
Potassium hydroxide is mixed with above-mentioned resin carbon source, mass ratio 50:1, then in a nitrogen atmosphere, 700 DEG C of processing
6h, dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtain graphene and active Carbon composites.
The graphene and the electrochemistry of the compound of activated carbon that the present invention is prepared using above method testing example 3
Can, test result is shown in Table 1.
Comparative example 3a and 3b presoma is respectively single D125 phenolic resin and single D133 acrylic resin,
Remaining subsequent treatment is same as Example 3.From table 1, the chemical property of the presoma of one-component is not so good as D125 phenol
The chemical property for the composite that urea formaldehyde and D133 acrylic resin mixing presoma obtain.
Embodiment 4
By nickel acetate and cobalt acetate according to mass ratio 1:1 is dissolved in deionized water, prepares 0.01g/ml catalyst solution；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 0.3:1 mixing, with clear
Water is rinsed to resin, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, with a large amount of clear water between soda acid
Elution is to water outlet close to neutrality, and so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time processing is used
The HCl solution that mass fraction is 4~5% is soaked, and being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with catalyst solution
It is loaded with the resin carbon source of catalyst, the mass ratio of catalyst and hybrid resin is 1:30；
Potassium hydroxide is mixed into (mass ratio 30 with above-mentioned resin carbon source:1), then in a nitrogen atmosphere, 800 DEG C of processing
2h, dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtain graphene and active Carbon composites.
The graphene and the electrochemistry of the compound of activated carbon that the present invention is prepared using above method testing example 4
Can, test result is shown in Table 1.
Comparative example 4a and 4b presoma is respectively single D125 phenolic resin and single D133 acrylic resin,
Remaining subsequent treatment is same as Example 4.From table 1, the chemical property of the presoma of one-component is not so good as D125 phenol
The chemical property for the composite that urea formaldehyde and D133 acrylic resin mixing presoma obtain.
Embodiment 5
Prepare 0.01g/ml Ni-acetate solution；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 2:1 mixing, uses clear water
Resin is rinsed, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, drenched between soda acid with a large amount of clear water
Water outlet is washed till close to neutrality, so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time processing matter
The HCl solution that amount fraction is 4~5% is soaked, and being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with Ni-acetate solution
It is loaded with the resin carbon source of catalyst, the mass ratio of nickel acetate and hybrid resin is 1:10；
By potassium hydroxide with above-mentioned resin carbon source with mixing (mass ratio 35:1), then in a nitrogen atmosphere, at 850 DEG C
1h is managed, is dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtains graphene and active Carbon composites.
The graphene and the electrochemistry of the compound of activated carbon that the present invention is prepared using above method testing example 5
Can, test result is shown in Table 1.
Comparative example 5a and 5b presoma is respectively single D125 phenolic resin and single D133 acrylic resin,
Remaining subsequent treatment is same as Example 5.From table 1, the chemical property of the presoma of one-component is not so good as D125 phenol
The chemical property for the composite that urea formaldehyde and D133 acrylic resin mixing presoma obtain.
Embodiment 6
Prepare 0.01g/ml Ni-acetate solution；
By model D125 phenolic resin and model D133 acrylic resin in mass ratio 3:1 mixing, uses clear water
Resin is rinsed, then with 4~5% HCl and NaOH alternate immersions 2~4 hours, drenched between soda acid with a large amount of clear water
Water outlet is washed till close to neutrality, so repeatedly 2~3 times, each soda acid dosage is 2 times of resin volume；Last time processing matter
The HCl solution that amount fraction is 4~5% is soaked, and being eluted with clear water can be stand-by to neutrality；
Mix, born after above-mentioned pretreated phenolic resin and acrylic resin mixing, then with Ni-acetate solution
It is loaded with the resin carbon source of catalyst, the mass ratio of nickel acetate and hybrid resin is 1:15；
Zinc chloride is mixed into (mass ratio 35 with above-mentioned resin carbon source:1), then in a nitrogen atmosphere, 650 DEG C of processing
9h, dried after then product is cleaned with watery hydrochloric acid and deionized water successively, obtain the compound of graphene and activated carbon.
The graphene and the electrochemistry of the compound of activated carbon that the present invention is prepared using above method testing example 6
Can, test result is shown in Table 1.
Comparative example 6a and 6b presoma is respectively single D125 phenolic resin and single D133 acrylic resin,
Remaining subsequent treatment is same as Example 6.From table 1, the chemical property of the presoma of one-component is not so good as D125 phenol
The chemical property for the composite that urea formaldehyde and D133 acrylic resin mixing presoma obtain.
As seen from the above embodiment, the invention provides the preparation method of a kind of graphene and the compound of activated carbon, bag
Include following steps：By after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.3~
5:1 mass ratio mixing, obtains hybrid resin；By the hybrid resin metal supported catalyst, obtain being loaded with catalyst
Resin carbon source；Activation pore creating material is mixed with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains stone
The compound of black alkene and activated carbon.This method is former using phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin
The compound of graphene and activated carbon is made in position one-step method, and method is simple, it is easy to accomplish industrialization；Obtained compound is applied
There is excellent chemical property in ultracapacitor.Test result indicates that：In 0.1Ag-1Current density under, specific capacity exists
290~310Fg-1Between, capability retention is between 90%~95% after circulating 3000 times.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of the compound of graphene and activated carbon, comprises the following steps：
By after phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin respective pretreatment with 0.3~5:1 matter
Amount obtains hybrid resin than mixing；
By the hybrid resin metal supported catalyst, obtain being loaded with the resin carbon source of catalyst；
Activation pore creating material is mixed with the resin carbon source, is heated 0.5~10 hour at 400~1000 DEG C, obtains graphene
With the compound of activated carbon.
2. preparation method according to claim 1, it is characterised in that the phenolic resin is selected from model D122 phenolic aldehyde
Resin and/or model D125 phenolic resin；
The acrylic type resin is selected from model D133 acrylic resins.
3. preparation method according to claim 1, it is characterised in that the mass ratio of the metallic catalyst and hybrid resin
For 1:5~50.
4. preparation method according to claim 1, it is characterised in that the metallic catalyst is selected from molysite, ferrous salt, nickel
One or more in salt, cobalt salt, mantoquita, the iron cyanide and ferrocyanide.
5. preparation method according to claim 1, it is characterised in that the activation pore creating material is selected from vapor, titanium dioxide
One or more in carbon, potassium hydroxide, sodium hydroxide, zinc chloride and phosphoric acid.
6. according to the method for claim 1, it is characterised in that the pore creating material and the mass ratio of resin carbon source of activating is 5
~50:1.
7. preparation method according to claim 1, it is characterised in that the temperature of the heating is 650 DEG C~850 DEG C；
The time of the heating is 1~9h.
8. preparation method according to claim 1, it is characterised in that the phenol aldehyde type cationic ion-exchange resin and acrylic acid
Type cationic ion-exchange resin respective pretreatment includes：
Phenol aldehyde type cationic ion-exchange resin and acrylic type cationic ion-exchange resin are respectively adopted into water to rinse, then using quality
NaOH solution 2~4h of alternate immersion that the HCl solution and mass concentration that concentration is 4~5% are 4~5%, water is used between replacing
Elution is close neutral to water outlet, so repeatedly 2~3 times, the phenol aldehyde type cationic ion-exchange resin and acrylic type pre-processed
Cationic ion-exchange resin.
9. the compound of a kind of graphene and activated carbon, the preparation method as described in claim 1~9 any one is made.
A kind of 10. application of the compound of graphene and activated carbon in ultracapacitor；
The compound of the graphene and activated carbon is that preparation method described in claim 1~8 any one is made or right will
Seek the compound of 9 graphenes and activated carbon.
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Effective date of registration: 20220829 Address after: No. 1818, Zhongguan West Road, Zhuangshi street, Zhenhai District, Ningbo City, Zhejiang Province, 315000 Patentee after: NINGBO GRAPHENE INNOVATION CENTER Co.,Ltd. Address before: 315201, No. 519, Zhuang Avenue, Zhenhai District, Zhejiang, Ningbo Patentee before: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES |