CN103450477A - Preparation method of graphene composite current collector - Google Patents
Preparation method of graphene composite current collector Download PDFInfo
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- CN103450477A CN103450477A CN2012101766466A CN201210176646A CN103450477A CN 103450477 A CN103450477 A CN 103450477A CN 2012101766466 A CN2012101766466 A CN 2012101766466A CN 201210176646 A CN201210176646 A CN 201210176646A CN 103450477 A CN103450477 A CN 103450477A
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Abstract
The invention discloses a preparation method of a graphene composite current collector. The preparation method comprises the following steps of preparing a graphene oxide suspension liquid, adding a conductive polymer monomer into the graphene oxide suspension liquid for in-situ polymerization to obtain a graphene oxide/conductive polymer composite suspension liquid, adding a hydrazine hydrate solution into the graphene oxide/conductive polymer composite suspension liquid for a reaction to obtain a graphene/conductive polymer composite suspension liquid, carrying out vacuum filtration of the graphene/conductive polymer composite suspension liquid by a microporous membrane, drying the filter cake, and separating the filter cake from the microporous membrane to obtain the graphene composite current collector. According to the preparation method, the conductive polymer monomer is added into the graphene oxide suspension liquid so that a conductive polymer is formed, and the conductive polymer can be dispersed between graphene sheets well so that graphene aggregation is prevented and the graphene mixed suspension liquid having good dispersity is obtained. Compared with the traditional graphene current collector preparation method, the preparation method can realize preparation of the graphene composite current collector having good integrity and good film-forming properties.
Description
Technical field
The present invention relates to a kind of preparation method of Graphene composite current collector.
Background technology
Ultracapacitor is a kind of novel energy storing device, there is the advantages such as high power density (for more than 10 times of common batteries), high cycle life (cycle index can reach more than 100,000 times), fast charging and discharging performance are good, be widely used in the AC-battery power source of military field, device for mobile communication, computer and electromobile etc.Usually ultracapacitor is mainly assembled by electrode active material layer, ionogen, barrier film, collector, shell etc.The energy density of existing ultracapacitor is generally lower, the influence factor of the energy density of ultracapacitor mainly contains the electric capacity of electrode materials, the voltage of system, electrode materials accounts for the proportion of the gross weight of electrode active material layer, collector, sheating material composition, therefore, the weight of the energy-storage property of increase electrode materials and each composition material of reduction device can effectively improve the performance of device.Wherein, the quality of reduction collector is a method that effectively improves energy density.
Collector is a kind of structure or part that collects electric current, and major function is that the electric current that cell active materials is produced collects, and electron channel is provided, and accelerates charge transfer, improves and discharges and recharges a coulomb efficiency.Need to meet the characteristics such as specific conductivity is high, good mechanical property, quality is light, internal resistance is little as collector.
Anodal aluminium foil, the negative pole of adopting of traditional collector adopts Copper Foil.Because the density of metal collector is larger, quality is heavier, and the weight of general collector accounts for 20% ~ 25% of whole battery, and the proportion that electrode materials accounts for whole battery greatly reduces, and finally causes the energy density of ultracapacitor lower.And the metal species collector is easier to be corroded by electrolytic solution.
Graphene has larger specific surface area, higher electric conductivity, high strength, heat conductivility and low thermal expansivity and be considered to desirable material preferably.Graphene can be prepared into by certain method graphene film or Graphene paper, uses thereby can be used as collector, and can greatly reduce the quality of collector.Because its is lighter, theoretical density is 2.26g/cm
3, only for being only Cu density (8.5g/cm
3) 26%.
Generally can be by the graphene suspension vacuum decompression be filtered and prepares the Graphene collector.But because the specific surface area of Graphene is larger, more easily reunite, affect the character of prepared Graphene collector, integrity, the film-forming properties of the Graphene collector prepared all are affected.
Summary of the invention
Based on this, be necessary to provide a kind of and can prepare integrity, the film-forming properties preparation method of the Graphene composite current collector of Graphene composite current collector preferably.
A kind of preparation method of Graphene composite current collector, comprise the steps:
Graphite oxide is added in solvent, and ultrasonic dispersion obtains graphene oxide suspension;
Add conductive high polymer monomer in described graphene oxide suspension, obtain graphene oxide/conducting polymer composite suspension liquid after in-situ polymerization;
Add hydrazine hydrate solution in described graphene oxide/conducting polymer composite suspension liquid, after mixing, reaction obtains Graphene/conducting polymer composite suspension liquid;
Adopt the described Graphene of millipore filtration vacuum filtration/conducting polymer composite suspension liquid, dry filter cake, by described filter cake after filter membrane is peeled off 100 ℃ ~ 200 ℃ lower vacuum heat treatment, obtain described Graphene composite current collector.
In one embodiment, described graphite oxide is added in solvent, ultrasonic dispersion obtains in the step of graphene oxide suspension, and described solvent is ethanol, Virahol, propyl alcohol or tetracol phenixin.
In one embodiment, described graphite oxide is added in solvent, ultrasonic dispersion obtains in the step of graphene oxide suspension, and the concentration of described graphite oxide is 0.1mg/ml ~ 5mg/ml.
In one embodiment, describedly in described graphene oxide suspension, add in the step of conductive high polymer monomer, the mass ratio of graphene oxide and conductive high polymer monomer is 1:1 ~ 5:1.
In one embodiment, describedly in described graphene oxide suspension, add in the step of conductive high polymer monomer, described conductive high polymer monomer is pyrrole monomer, aniline monomer or thiophene monomer.
In one embodiment, after in described graphene oxide suspension, adding conductive high polymer monomer, also comprise and continue ultrasonic mixing to form the step of stable suspension.
In one embodiment, being operating as of described in-situ polymerization:
After adding conductive high polymer monomer in described graphene oxide suspension, then add oxygenant, obtain graphene oxide/conducting polymer composite suspension liquid after reaction.
In one embodiment, described oxygenant is iron(ic) chloride, and the mol ratio of described iron(ic) chloride and described conductive high polymer monomer is 1:1 ~ 1:3;
Perhaps, described oxygenant is ammonium persulphate, and the mol ratio of described ammonium persulphate and described conductive high polymer monomer is 1:1 ~ 3:1.
In one embodiment, describedly in described graphene oxide/conducting polymer composite suspension liquid, add in the step of hydrazine hydrate solution, the mass ratio of described hydrazine hydrate and described graphene oxide is 1:10 ~ 7:10.
In one embodiment, described mixing is reacted in the step that obtains Graphene/conducting polymer composite suspension liquid afterwards, and temperature of reaction is 80 ℃ ~ 100 ℃, and the reaction times is 12h ~ 24h.
The preparation method of this Graphene composite current collector by adding the conductive high polymer monomer post polymerization to form conducting polymer in graphene oxide suspension, conducting polymer can be good at being dispersed between the lamella of Graphene, prevent the Graphene reunion, obtain the Graphene mixing suspension of favorable dispersity, compare with the preparation method of traditional Graphene collector, can prepare integrity, film-forming properties Graphene composite current collector preferably.
The accompanying drawing explanation
The preparation method's of the Graphene composite current collector that Fig. 1 is an embodiment schema.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to intension of the present invention, so the present invention is not subject to the restriction of following public concrete enforcement.
The preparation method of the Graphene composite current collector of an embodiment as shown in Figure 1, comprise the steps:
S10, graphite oxide is added in solvent, ultrasonic dispersion obtains graphene oxide suspension.
The time of ultrasonic dispersion can be 1h ~ 2h, to obtain graphene oxide suspension, is as the criterion.
The concentration of the graphene oxide suspension obtained can be 0.1mg/ml ~ 5mg/ml.
Solvent can be in ethanol, Virahol, propyl alcohol or tetracol phenixin a kind of.
Add conductive high polymer monomer in S20, the graphene oxide suspension that obtains to S10, obtain graphene oxide/conducting polymer composite suspension liquid after in-situ polymerization.
Conductive high polymer monomer can be pyrrole monomer, aniline monomer or thiophene monomer.
The mass ratio of graphene oxide and conductive high polymer monomer can be 1:1 ~ 5:1.
In-situ polymerization obtains graphene oxide/conducting polymer composite suspension liquid.
Being operating as of in-situ polymerization:
After adding conductive high polymer monomer in graphene oxide suspension, then add oxygenant, obtain graphene oxide/conducting polymer composite suspension liquid after reaction.
The oxygenant of pyrroles's in-situ polymerization can be iron(ic) chloride, and the mol ratio of iron(ic) chloride and conductive high polymer monomer is 1:1 ~ 1:3, and temperature of reaction can be 0 ℃.
The oxygenant of aniline and thiophene in-situ polymerization is ammonium persulphate, and the mol ratio of ammonium persulphate and conductive high polymer monomer is 1:1 ~ 3:1.Wherein, the temperature of reaction of aniline and ammonium persulphate is-5 ℃ ~ 10 ℃, and the temperature of reaction of thiophene and ammonium persulphate is room temperature.
In general, after in graphene oxide suspension, adding conductive high polymer monomer, also need to continue ultrasonic mixing 10min ~ 30min, to form stable suspension.
Add hydrazine hydrate solution in S30, the graphene oxide/conducting polymer composite suspension liquid that obtains to S20, after mixing, reaction obtains Graphene/conducting polymer composite suspension liquid.
Hydrazine hydrate is generally selected the hydrazine hydrate aqueous solution that massfraction is 85%.
It is 1:10 ~ 7:10 that the add-on of hydrazine hydrate keeps the mass ratio of hydrazine hydrate and graphene oxide.
Obtain in the step of Graphene/conducting polymer composite suspension liquid, temperature of reaction is 80 ℃ ~ 100 ℃, and the reaction times is 12h ~ 24h.
S40, the Graphene/conducting polymer composite suspension liquid that adopts millipore filtration vacuum filtration S30 to obtain, dry filter cake, by filter cake after filter membrane is peeled off 100 ℃ ~ 200 ℃ lower vacuum heat treatment, obtain the Graphene composite current collector.
The operation that filter cake is dried can be chosen in 40 ℃ of oven dry in baking oven.
The operation of vacuum heat treatment can be chosen in vacuum drying oven to be carried out.
The preparation method of this Graphene composite current collector by adding the conductive high polymer monomer post polymerization to form conducting polymer in graphene oxide suspension, conducting polymer can be good at being dispersed between the lamella of Graphene, prevent the Graphene reunion, obtain the Graphene mixing suspension of favorable dispersity, compare with the preparation method of traditional Graphene collector, can prepare integrity, film-forming properties Graphene composite current collector preferably.
The Graphene composite current collector that the preparation method of this Graphene composite current collector prepares is comprised of Graphene and conducting polymer, by adopting lower Graphene and the compound substituted metal material of conducting polymer of density, the weight that reduces collector solves the low problem of energy density that existing ultracapacitor energy storage device exists, greatly improve the energy density of ultracapacitor, and the laminated film of Graphene and conducting polymer is difficult for being corroded by electrolytic solution, can improve the life-span of collector.
It is below specific embodiment.
Embodiment 1
Graphite oxide is joined in ethanolic soln and carries out ultrasonic dispersion 1h, obtain 0.1mg/ml graphene oxide suspension, then add analytically pure pyrrole monomer (mass ratio of pyrrole monomer and graphene oxide is 1:2), continue ultrasonic 10min and form stable suspension.Under 0 ℃, to the aqueous solution (mol ratio of iron(ic) chloride and pyrrole monomer is 1:1) that slowly is added dropwise to the iron(ic) chloride that concentration is 0.5mol/L in the suspension of aforementioned stable, stir 4h, make the pyrrole monomer polymerization reaction take place, obtain graphene oxide/polypyrrole composite suspension liquid.
In the graphene oxide obtained/polypyrrole composite suspension liquid, add the hydrazine hydrate solution that massfraction is 85% (mass ratio of hydrazine hydrate and graphene oxide is 1:10), react 12h at the temperature of 100 ℃, obtain Graphene/polypyrrole composite suspension liquid.
Graphene/polypyrrole composite suspension liquid is obtained to filter cake by the millipore filtration vacuum filtration, filter cake is placed in to 40 ℃ of oven dry of baking oven, then filter cake is taken off and obtained laminated film from millipore filtration, laminated film is put into to vacuum drying oven, be heated to 150 ℃ and heat-treat 1h, obtain Graphene/polypyrrole collector.
Measure the specific conductivity of the Graphene that the present embodiment makes/polypyrrole collector by four probe method.Concrete measuring method is: the Graphene that makes/polypyrrole collector is at room temperature used to the two electrical measurement four point probe tester testing conductivities of D41-11D/ZM type.When test current is shown as the probe coefficient, press electricalresistivityρ's button, screen directly shows that the electricalresistivityρ is worth, directly calculating specific conductivity according to γ=l/ ρ is 5.75*10
3s/m.
The tensile strength of the Graphene that mensuration the present embodiment makes/polypyrrole collector, Elongation test carries out on dynamic mechanical analyzer (DMA Q800/TA), and sample is cut into 3*15mm
2rectangular sheet carry out the tension test test.The tensile strength that records the Graphene that the present embodiment makes/conducting polymer laminated film is 215MPa.
Embodiment 2
Graphite oxide is joined in aqueous isopropanol and carries out ultrasonic dispersion 2h, obtain 1mg/ml graphene oxide suspension, then add analytically pure aniline monomer (mass ratio of aniline monomer and graphene oxide is 1:1), continue ultrasonic 20min and form stable suspension, under-5 ℃ to being added dropwise to successively the alcoholic solution (the mol ratio 1:1 of ammonium persulphate and aniline monomer) that ammonium persulphate and massfraction are 37% concentrated hydrochloric acid in the suspension of aforementioned stable, stir 12h, make the aniline monomer polymerization reaction take place, obtain graphene oxide/polyaniline composite suspension liquid.
In the graphene oxide obtained/polyaniline composite suspension liquid, add the hydrazine hydrate solution that massfraction is 85% (mass ratio of hydrazine hydrate and graphene oxide is 4:10), react 24h at the temperature of 80 ℃, obtain graphene/polyaniline composite suspension liquid.
Graphene/polyaniline composite suspension liquid is obtained to filter cake by the millipore filtration vacuum filtration, filter cake is placed in to 40 ℃ of oven dry of baking oven, then filter cake is taken off and obtained laminated film from millipore filtration, laminated film is immersed in to 18h in 1mol/L hydrochloric acid, again this laminated film is put into to vacuum drying oven, be heated to 100 ℃ and heat-treat 2h, obtain the graphene/polyaniline collector.
Embodiment 3
Graphite oxide is joined in carbon tetrachloride solution and carries out ultrasonic dispersion 1h, obtain 5mg/ml graphene oxide suspension, then add analytically pure thiophene monomer (mass ratio of thiophene monomer and graphite oxide is 1:5) to continue ultrasonic 30min and form stable suspension.At room temperature, slowly drip ammonium persulphate (mol ratio of ammonium persulphate and thiophene monomer is 3:1) in the suspension of aforementioned stable, and continue to stir 6h, make the thiophene monomer polymerization reaction take place, obtain graphene oxide/Polythiophene composite suspension liquid.
In the graphene oxide obtained/Polythiophene composite suspension liquid, add the hydrazine hydrate solution that massfraction is 85% (mass ratio of hydrazine hydrate and graphene oxide is 7:10), react 18h at the temperature of 90 ℃, obtain Graphene/Polythiophene composite suspension liquid.
Graphene/Polythiophene composite suspension liquid is obtained to filter cake by the millipore filtration vacuum filtration, filter cake is placed in to 40 ℃ of oven dry of baking oven, then filter cake is taken off and obtained laminated film from the filter film, laminated film is put into to vacuum drying oven, be heated to 200 ℃ and heat-treat 0.5h, obtain Graphene/Polythiophene collector.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the preparation method of a Graphene composite current collector, is characterized in that, comprises the steps:
Graphite oxide is added in solvent, and ultrasonic dispersion obtains graphene oxide suspension;
Add conductive high polymer monomer in described graphene oxide suspension, obtain graphene oxide/conducting polymer composite suspension liquid after in-situ polymerization;
Add hydrazine hydrate solution in described graphene oxide/conducting polymer composite suspension liquid, after mixing, reaction obtains Graphene/conducting polymer composite suspension liquid;
Adopt the described Graphene of millipore filtration vacuum filtration/conducting polymer composite suspension liquid, dry filter cake, by described filter cake after filter membrane is peeled off 100 ℃ ~ 200 ℃ lower vacuum heat treatment, obtain described Graphene composite current collector.
2. the preparation method of Graphene composite current collector according to claim 1, it is characterized in that, described graphite oxide is added in solvent, ultrasonic dispersion obtains in the step of graphene oxide suspension, and described solvent is ethanol, Virahol, propyl alcohol or tetracol phenixin.
3. the preparation method of Graphene composite current collector according to claim 1, is characterized in that, described graphite oxide added in solvent, and ultrasonic dispersion obtains in the step of graphene oxide suspension, and the concentration of described graphite oxide is 0.1mg/ml ~ 5mg/ml.
4. the preparation method of Graphene composite current collector according to claim 1, it is characterized in that, describedly in described graphene oxide suspension, add in the step of conductive high polymer monomer, the mass ratio of graphene oxide and conductive high polymer monomer is 1:1 ~ 5:1.
5. the preparation method of Graphene composite current collector according to claim 1, it is characterized in that, describedly in described graphene oxide suspension, add in the step of conductive high polymer monomer, described conductive high polymer monomer is pyrrole monomer, aniline monomer or thiophene monomer.
6. the preparation method of Graphene composite current collector according to claim 1, is characterized in that, after in described graphene oxide suspension, adding conductive high polymer monomer, also comprises and continue ultrasonic mixing to form the step of stable suspension.
7. the preparation method of Graphene composite current collector according to claim 1, is characterized in that, being operating as of described in-situ polymerization:
After adding conductive high polymer monomer in described graphene oxide suspension, then add oxygenant, obtain graphene oxide/conducting polymer composite suspension liquid after reaction.
8. the preparation method of Graphene composite current collector according to claim 7, is characterized in that, described oxygenant is iron(ic) chloride, and the mol ratio of described iron(ic) chloride and described conductive high polymer monomer is 1:1 ~ 1:3;
Perhaps, described oxygenant is ammonium persulphate, and the mol ratio of described ammonium persulphate and described conductive high polymer monomer is 1:1 ~ 3:1.
9. the preparation method of Graphene composite current collector according to claim 1, it is characterized in that, describedly in described graphene oxide/conducting polymer composite suspension liquid, add in the step of hydrazine hydrate solution, the mass ratio of described hydrazine hydrate and described graphene oxide is 1:10 ~ 7:10.
10. the preparation method of Graphene composite current collector according to claim 1, is characterized in that, described mixing is reacted in the step that obtains Graphene/conducting polymer composite suspension liquid afterwards, and temperature of reaction is 80 ℃ ~ 100 ℃, and the reaction times is 12h ~ 24h.
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Cited By (7)
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| CN105111434A (en) * | 2015-10-10 | 2015-12-02 | 扬州大学 | Aniline copolymer and graphene composite as well as preparation method and application thereof |
| CN105679548A (en) * | 2016-01-08 | 2016-06-15 | 国网智能电网研究院 | Electrode pad for graphene-based supercapacitor and preparation method of electrode pad |
| CN107522269A (en) * | 2017-09-18 | 2017-12-29 | 同济大学 | The preparation method of porous graphene/Platinum material |
| CN109574309A (en) * | 2018-12-18 | 2019-04-05 | 重庆工商大学 | A method of antibiotic waste water bio-toxicity is reduced by membrane material |
| CN109735217A (en) * | 2018-12-06 | 2019-05-10 | 南京长江涂料有限公司 | A kind of watersoluble plumbago alkene electromagnetic screen coating and preparation method thereof |
| CN111554521A (en) * | 2020-05-11 | 2020-08-18 | 中国海洋大学 | Preparation method of graphene/polyaniline flexible thin film electrode material |
| CN113224314A (en) * | 2021-05-06 | 2021-08-06 | 中国科学院宁波材料技术与工程研究所 | Three-dimensional grading porous current collector and preparation method thereof |
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2012
- 2012-05-31 CN CN2012101766466A patent/CN103450477A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| HYEOKJO GWON ET.AL.: "Flexible energy storage devices based on graphene paper", 《ENERGY AND ENVIRONMENTAL SCIENCE》 * |
Cited By (12)
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| CN105111434A (en) * | 2015-10-10 | 2015-12-02 | 扬州大学 | Aniline copolymer and graphene composite as well as preparation method and application thereof |
| CN105679548A (en) * | 2016-01-08 | 2016-06-15 | 国网智能电网研究院 | Electrode pad for graphene-based supercapacitor and preparation method of electrode pad |
| CN105679548B (en) * | 2016-01-08 | 2019-11-01 | 国网智能电网研究院 | A kind of electrode plates and preparation method thereof for graphene-based supercapacitor |
| CN107522269A (en) * | 2017-09-18 | 2017-12-29 | 同济大学 | The preparation method of porous graphene/Platinum material |
| CN107522269B (en) * | 2017-09-18 | 2020-06-16 | 同济大学 | Preparation method of porous graphene/polypyrrole electrode material |
| CN109735217A (en) * | 2018-12-06 | 2019-05-10 | 南京长江涂料有限公司 | A kind of watersoluble plumbago alkene electromagnetic screen coating and preparation method thereof |
| CN109735217B (en) * | 2018-12-06 | 2020-10-23 | 南京长江涂料有限公司 | Water-based graphene electromagnetic shielding coating and preparation method thereof |
| CN109574309A (en) * | 2018-12-18 | 2019-04-05 | 重庆工商大学 | A method of antibiotic waste water bio-toxicity is reduced by membrane material |
| CN109574309B (en) * | 2018-12-18 | 2021-10-08 | 重庆工商大学 | Method for reducing biotoxicity of antibiotic wastewater through membrane material |
| CN111554521A (en) * | 2020-05-11 | 2020-08-18 | 中国海洋大学 | Preparation method of graphene/polyaniline flexible thin film electrode material |
| CN111554521B (en) * | 2020-05-11 | 2021-07-30 | 中国海洋大学 | Preparation method of graphene/polyaniline flexible thin film electrode material |
| CN113224314A (en) * | 2021-05-06 | 2021-08-06 | 中国科学院宁波材料技术与工程研究所 | Three-dimensional grading porous current collector and preparation method thereof |
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Application publication date: 20131218 |