CN103832997A - Graphene/carbon black composite material, preparation method and application thereof - Google Patents
Graphene/carbon black composite material, preparation method and application thereof Download PDFInfo
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Abstract
The invention belongs to the field of electrochemical materials, and discloses a graphene/carbon black composite material, a preparation method and an application thereof. The electrode material comprises, by mass, 50-90% of graphene and 10-50% of carbon black. According to the graphene/carbon black composite material, agglomeration of the graphene lamellas is low, such that the high energy storage capacity is provided when the composite material is adopted as the electrochemical capacitor electrode material.
Description
Technical field
The present invention relates to electrochemical material field, relate in particular to a kind of Graphene/carbon black composite material and preparation method and application.
Background technology
Electrochemical capacitor, as a kind of novel energy-storing device, due to advantages such as its charge-discharge velocity are fast, power density is high, have extended cycle life, is the another energy storage device that has application potential and exploitation value after lithium ion battery.But energy density lower be a key factor of restriction ultracapacitor development and application, explore the energy density that how to improve ultracapacitor and be the emphasis of this area research at present.According to the calculation formula of energy density
, improve energy density and mainly start with from two aspects, improve on the one hand the voltage window of electrochemical capacitor; Be the specific storage that improves electrode materials on the one hand in addition, the raising of this two aspect all can bring the raising of energy density.
Graphene is as the two-dimentional unimolecular layer material of one, there is higher specific surface area and higher specific conductivity, it is a kind of desirable electrochemical capacitor electrode material, but graphene sheet layer is easily reunited, cause a lot of surfaces of graphene sheet layer can not be used for energy storage, thereby make the stored energy capacitance of Graphene not high.
Summary of the invention
Based on the problems referred to above, problem to be solved by this invention is to provide the preparation method of Graphene/carbon black composite material that a kind of stored energy capacitance is higher.
Technical scheme of the present invention is as follows:
The preparation method who the invention provides a kind of Graphene/carbon black composite material, comprises the steps:
Graphite oxide is placed in to 0.5 ~ 10L deionized water and is configured to the graphite oxide solution that concentration is 0.5 ~ 2mg/ml, supersound process graphite oxide solution subsequently then adds 0.05 ~ 1g carbon black again in graphite oxide solution; Continue supersound process, subsequent filtration, dry, obtain graphene oxide/carbon black composite material;
The atmosphere that described graphene oxide/carbon black composite material is placed in to carbonic acid gas and rare gas element formation, at 800 ~ 1000 DEG C, sintering processes 2 ~ 3h, is cooled to room temperature, obtains described Graphene/carbon black composite material.
The preparation method of described Graphene/carbon black combination electrode material, wherein, described graphite oxide is adopted with the following method and is made:
Graphite is added in the mixed acid solution of the vitriol oil and concentrated nitric acid, mix in bath and stir at frozen water, in mixed acid solution, add potassium permanganate at leisure more afterwards, then mixed acid solution is heated to 85 ° of C carries out oxide treatment, remove subsequently potassium permanganate, suction filtration, repetitive scrubbing screening, dry, obtains graphite oxide; Wherein, the quality of graphite and mixed acid solution and volume ratio are 1 ~ 5g:115 ~ 595ml; The mass ratio of graphite and potassium permanganate is 1:4 ~ 6.
The preparation method of described Graphene/carbon black composite material, wherein, in described mixed acid solution, the volume ratio of the vitriol oil and concentrated nitric acid is 90:25 ~ 475:120.
The preparation method of described Graphene/carbon black composite material, wherein, it is 30min ~ 1h that described mixed acid solution is heated to the time that 85 ° of C carry out oxide treatment.
The preparation method of described Graphene/carbon black composite material, wherein, the massfraction of described hydrogen peroxide solution is 30%, the add-on of this hydrogen peroxide solution is 9 ~ 30ml.
The preparation method of described Graphene/carbon black composite material wherein, time prepared by graphite oxide, is to adopt dilute hydrochloric acid and deionized water repetitive scrubbing to the washing of screening.
The preparation method of described Graphene/carbon black composite material, wherein, in described graphite oxide/carbon black composite material preparation process, described in twice, the time of supersound process is 2 ~ 4h.
The preparation method of described Graphene/carbon black composite material, wherein, in the atmosphere that described carbonic acid gas and rare gas element form, the airshed of controlling carbonic acid gas is 100 ~ 200ml/ minute, the airshed of controlling rare gas element is 200 ~ 400ml/ minute.
The preparation method of described Graphene/carbon black composite material wherein, when described sintering processes, is to adopt the temperature rise rate of 10 ~ 30 DEG C/min to be warming up to 800 ~ 1000 DEG C.
The present invention also provides the Graphene/carbon black composite material that adopts above-mentioned preparation method to make.
The present invention also provides the application as electrode active material in electrochemical capacitor of above-mentioned Graphene/carbon black composite material.
Graphene/carbon black composite material provided by the invention, the reunion of its graphene sheet layer is lower, and surface-area is larger, has higher stored energy capacitance while making this matrix material as electrochemical capacitor electrode material.
The preparation method of combination electrode material adopts oxidation reduction process, and equipment, technique are simple, and convenient operation, easily realizes large-scale industrial production.
Embodiment
The concrete preparation technology's flow process that the invention provides Graphene/carbon black composite material is as follows:
Graphite → graphite oxide → Graphene/carbon black composite material
(1) prepare graphite oxide: the graphite that is 99.5% by purity adds in the mixing solutions of the vitriol oil and concentrated nitric acid, mix in bath (temperature is controlled at 0 DEG C) and stir at frozen water, in mixing solutions, add potassium permanganate at leisure more afterwards, graphite is oxidized, then mixing solutions being heated to 85 ° of C keeps 30min ~ 1h to be at high temperature further oxidized graphite, finally add hydrogen peroxide (massfraction is 30%) to remove potassium permanganate, suction filtration, solids is carried out to repetitive scrubbing with dilute hydrochloric acid and deionized water, dry, obtain graphite oxide; Wherein, the quality of graphite and mixed acid solution and volume ratio are 1 ~ 5g:115 ~ 595ml; The mass ratio of graphite and potassium permanganate is 1:4 ~ 6;
(2) prepare graphene oxide/carbon black composite material: graphite oxide is placed in to 0.5 ~ 10L deionized water and is configured to the graphite oxide solution that concentration is 0.5 ~ 2mg/ml, supersound process 2 ~ 4h; Then add 0.05～1g carbon black, making the concentration of described carbon black in solution is 0.05 ~ 1mg/ml, continues supersound process 2 ~ 4h, slowly filters with final vacuum, dry, obtains Graphene/carbon black composite material; Wherein, the drying treatment after vacuum is slowly filtered, is preferably dried 12 hours in the true air environment of 40 ° of C; Wherein, supersound process is mainly that graphite oxide is peeled off as graphene oxide;
(3) prepare Graphene/carbon black composite material: the atmosphere that described graphene oxide/carbon black composite material is placed in to carbonic acid gas (its airshed is controlled at 100 ~ 200ml/ minute) and rare gas element formation is (as the atmosphere of the gas mixture formation of argon gas, nitrogen or argon gas and nitrogen; Preferably argon gas atmosphere; In the time forming the atmosphere of rare gas element formation, its airshed is controlled at 200ml/min, be conducive to the formation of Graphene/carbon black composite material) in, sintering processes 2 ~ 3h at 800 ~ 1000 DEG C, and be cooled to room temperature under rare gas element (airshed is 200 ~ 400ml/ minute) protection, obtain described Graphene/carbon black composite material; Wherein, preferably, when described sintering processes, adopt the temperature rise rate of 10 ~ 30 DEG C/min to be warming up to 800 ~ 1000 DEG C; Wherein, sintering processes is mainly that graphene oxide decomposes, and obtains Graphene.
The preparation method of combination electrode material adopts oxidation reduction process, and equipment, technique are simple, and convenient operation, easily realizes large-scale industrial production.
Adopt Graphene/carbon black composite material of making of aforesaid method, according to mass ratio, comprise 50% ~ 90% Graphene and 10% ~ 50% carbon black.This Graphene/carbon black composite material, the reunion of its graphene sheet layer is lower, and surface-area is larger, has higher stored energy capacitance while making this matrix material as electrochemical capacitor electrode material.
The application of Graphene/carbon black composite material below
Graphene/carbon black composite material is generally used for the electrode materials of electrochemical capacitor, below introduces the method that uses this material to be made into electrochemical capacitor.
First, the ratio that is 95:5 according to mass ratio, mixes Graphene/carbon black composite material and polyvinylidene difluoride (PVDF) binding agent, obtains slurry;
Secondly, slurry is coated on aluminium foil, through 80 ° of C vacuum-dryings 2 hours, slicing treatment, made electrode slice;
Finally, take two plate electrode sheets, be respectively positive plate and negative plate; By positive plate, barrier film, negative plate in order stack of laminations dress up battery core, then use battery housing seal battery core, inject electrolytic solution (ionic liquid) toward the spout being arranged on battery container subsequently, sealing spout, obtains electrochemical capacitor.
Below preferred embodiment of the present invention is described in further detail.
Embodiment 1 ~ 4th, the preparation method of Graphene/carbon black composite material
Embodiment 1
It is as follows that the present invention prepares the technical process of graphene/carbon nanometer tube composite materials:
Graphite → graphite oxide → graphene oxide/carbon nano tube compound material → graphene/carbon nanometer tube composite materials
(1) graphite: purity 99.5%;
(2) graphite oxide: take the graphite 1g that (1) moderate purity is 99.5% and add in the mixing solutions being formed by the 90ml vitriol oil (massfraction is 98%) and 25ml concentrated nitric acid (massfraction is 65%), mixture is placed under frozen water mixing bath environment and is stirred 20 minutes, in mixture, add 6g potassium permanganate at leisure again, stir 1 hour, then mixture is heated to 85 ° of C and keeps 30 minutes, add afterwards 92ml deionized water to continue to keep 30 minutes under 85 ° of C, finally add 10ml superoxol (massfraction 30%), stir 10 minutes, mixture is carried out to suction filtration, with 100ml dilute hydrochloric acid and 150ml deionized water, solids is washed respectively successively again, wash altogether three times, last solid matter is the dry graphite oxide that obtains for 12 hours in 60 ° of C vacuum drying ovens,
(3) graphene oxide/carbon nano tube compound material: the 1g graphite oxide of preparation in (2) is added in 1L deionized water, and the solubility of graphite oxide in water is 1mg/ml, ultrasonic 2 hours; Add again 0.05g carbon nanotube, the solubility of carbon nanotube is 0.05mg/ml, continues ultrasonic 4 hours, and suspension is filtered, the vacuum environment that the centrifugal solid product obtaining is placed in to 40 ° of C is dried 12 hours, obtains graphene oxide/carbon nano tube compound material;
(4) graphene/carbon nanometer tube composite materials: the graphene oxide/carbon nano tube compound material obtaining in (3) is placed in to carbonic acid gas (airshed: 200ml/ minute) and argon gas (airshed: 200ml/ minute) environment; after 30 minutes; rise to 800 ° of C with 10 ° of temperature rise rates of C/ minute; and keep 2 hours; finally under the protection of argon gas (airshed: 200ml/ minute), be naturally down to room temperature, obtain graphene/carbon nanometer tube composite materials.
Embodiment 2
It is as follows that the present invention prepares the technical process of graphene/carbon nanometer tube composite materials:
Graphite → graphite oxide → graphene oxide/carbon nano tube compound material → graphene/carbon nanometer tube composite materials
(1) graphite: purity 99.5%;
(2) graphite oxide: take the graphite 5g that (1) moderate purity is 99.5% and add in the mixing solutions being formed by the 475ml vitriol oil (massfraction is 98%) and 120ml concentrated nitric acid (massfraction is 65%), mixture is placed under frozen water mixing bath environment and is stirred 20 minutes, in mixture, add 20g potassium permanganate at leisure again, stir 1 hour, then mixture is heated to 85 ° of C and keeps 30 minutes, add afterwards 92ml deionized water to continue to keep 30 minutes under 85 ° of C, finally add 30ml superoxol (massfraction 30%), stir 10 minutes, mixture is carried out to suction filtration, with 300ml dilute hydrochloric acid and 450ml deionized water, solids is washed respectively successively again, wash altogether three times, last solid matter is the dry graphite oxide that obtains for 12 hours in 60 ° of C vacuum drying ovens,
(3) graphene oxide/carbon nano tube compound material: the 5g graphite oxide of preparation in (2) is added in 10L deionized water, and the solubility of graphite oxide in water is 0.5mg/ml, ultrasonic 2 hours; Add 1g carbon nanotube, the solubility of carbon nanotube is 0.1mg/ml again, continues ultrasonic 2 hours, and suspension is filtered, and the vacuum environment that the centrifugal solid product obtaining is placed in to 40 ° of C is dried 12 hours, obtains graphene oxide/carbon nano tube compound material;
(4) graphene/carbon nanometer tube composite materials: the graphene oxide/carbon nano tube compound material obtaining in (3) is placed in to carbonic acid gas (airshed: 300ml/ minute) and argon gas (airshed: 400ml/ minute) environment; after 30 minutes; rise to 900 ° of C with 20 ° of temperature rise rates of C/ minute; and keep 3 hours; finally under the protection of argon gas (airshed: 200ml/ minute), be naturally down to room temperature, obtain graphene/carbon nanometer tube composite materials.
Embodiment 3
It is as follows that the present invention prepares the technical process of graphene/carbon nanometer tube composite materials:
Graphite → graphite oxide → graphene oxide/carbon nano tube compound material → graphene/carbon nanometer tube composite materials
(1) graphite: purity 99.5%;
(2) graphite oxide: take the graphite 2g that (1) moderate purity is 99.5% and add in the mixing solutions being formed by the 170ml vitriol oil (massfraction is 98%) and 48ml concentrated nitric acid (massfraction is 65%), mixture is placed under frozen water mixing bath environment and is stirred 20 minutes, in mixture, add 8g potassium permanganate at leisure again, stir 1 hour, then mixture is heated to 85 ° of C and keeps 30 minutes, add afterwards 92ml deionized water to continue to keep 30 minutes under 85 ° of C, finally add 16ml superoxol (massfraction 30%), stir 10 minutes, mixture is carried out to suction filtration, with 250ml dilute hydrochloric acid and 300ml deionized water, solids is washed respectively successively again, wash altogether three times, last solid matter is the dry graphite oxide that obtains for 12 hours in 60 ° of C vacuum drying ovens,
(3) graphene oxide/carbon nano tube compound material: the 2g graphite oxide of preparation in (2) is added in 2L deionized water, and the solubility of graphite oxide in water is 1mg/ml, ultrasonic 2 hours; Add again 0.2g carbon nanotube, the solubility of carbon nanotube is 0.1mg/ml, continues ultrasonic 4 hours, and suspension is filtered, the vacuum environment that the centrifugal solid product obtaining is placed in to 40 ° of C is dried 12 hours, obtains graphene oxide/carbon nano tube compound material;
(4) graphene/carbon nanometer tube composite materials: the graphene oxide/carbon nano tube compound material obtaining in (3) is placed in to carbonic acid gas (airshed: 200ml/ minute) and argon gas (airshed: 200ml/ minute) environment; after 30 minutes; rise to 1000 ° of C with 30 ° of temperature rise rates of C/ minute; and keep 2 hours; finally under the protection of argon gas (airshed: 200ml/ minute), be naturally down to room temperature, obtain graphene/carbon nanometer tube composite materials.
Embodiment 4
It is as follows that the present invention prepares the technical process of graphene/carbon nanometer tube composite materials:
Graphite → graphite oxide → graphene oxide/carbon nano tube compound material → graphene/carbon nanometer tube composite materials
(1) graphite: purity 99.5%;
(2) graphite oxide: take the graphite 1g that (1) moderate purity is 99.5% and add in the mixing solutions being formed by the 90ml vitriol oil (massfraction is 98%) and 25ml concentrated nitric acid (massfraction is 65%), mixture is placed under frozen water mixing bath environment and is stirred 20 minutes, in mixture, add 4g potassium permanganate at leisure again, stir 1 hour, then mixture is heated to 85 ° of C and keeps 30 minutes, add afterwards 92ml deionized water to continue to keep 30 minutes under 85 ° of C, finally add 9ml superoxol (massfraction 30%), stir 10 minutes, mixture is carried out to suction filtration, with 100ml dilute hydrochloric acid and 150ml deionized water, solids is washed respectively successively again, wash altogether three times, last solid matter is the dry graphite oxide that obtains for 12 hours in 60 ° of C vacuum drying ovens,
(3) graphene oxide/carbon nano tube compound material: the 1g graphite oxide of preparation in (2) is added in 0.5L deionized water, and the solubility of graphite oxide in water is 2mg/ml, ultrasonic 4 hours; Add 0.5g carbon nanotube, the solubility of carbon nanotube is 1mg/ml again, continues ultrasonic 4 hours, and suspension is filtered, and the vacuum environment that the centrifugal solid product obtaining is placed in to 40 ° of C is dried 12 hours, obtains graphene oxide/carbon nano tube compound material;
(4) graphene/carbon nanometer tube composite materials: the graphene oxide/carbon nano tube compound material obtaining in (3) is placed in to carbonic acid gas (airshed: 100ml/ minute) and argon gas (airshed: 300ml/ minute) environment; after 30 minutes; rise to 950 ° of C with 25 ° of temperature rise rates of C/ minute; and keep 2 hours; finally under the protection of argon gas (airshed: 200ml/ minute), be naturally down to room temperature, obtain graphene/carbon nanometer tube composite materials.
Embodiment 5 ~ 8th, the material of embodiment 1 ~ 4 preparation is as the application of electrochemical capacitor electrode material
Embodiment 5
(1) ratio that is 95:5 according to mass ratio, Graphene/carbon black composite material that embodiment 1 is obtained and polyvinylidene difluoride (PVDF) binding agent mix, and obtain slurry;
(2) slurry obtaining in (1) is coated on aluminium foil, through 80 ° of C of vacuum dry 2 hours, slicing treatment, makes electrode slice.
(3) take two plate electrode sheets in (2), be respectively positive plate and negative plate; By positive plate, barrier film, negative plate in order stack of laminations dress up battery core, then use battery housing seal battery core, inject [BMIM] [PF6] by the spout being arranged on battery container subsequently, sealing spout, obtains electrochemical capacitor.
The electrochemical capacitor that embodiment 5 is assembled carries out charge-discharge test with LAND battery test system, test process is: the positive and negative electrode of battery is connected with the positive and negative electrode of test macro, recall the test procedure of test macro, the current density discharging and recharging is made as to 0.5A/g, charge to 4V from 0V, be discharged to 0V from 4V again, three circles that so circulate, get the specific storage of the 3rd circle as the specific storage of material.(ask contriver to provide charge-discharge test process, testing apparatus.)
Embodiment 6 ~ 8 is identical with the process of preparing of embodiment 5, and difference is that the electrode materials adopting is respectively the prepared electrode materials out of embodiment 2 ~ 4.
The specific surface area of the graphene/carbon nanometer tube composite materials that embodiment 1 ~ 4 is made is tested, and test result is as shown in table 1:
Table 1
| Embodiment | 1 | 2 | 3 | 4 |
| Specific surface area (m2/g) | 879 | 1120 | 923 | 712 |
As shown in table 1, the specific surface area of graphene/carbon nanometer tube composite materials prepared by employing present method is higher, is up to 1120m
2/ g.
The electrochemical capacitor that embodiment 5 ~ 8 is made carries out charge-discharge test under current density 0.5A/g, and its specific storage is as shown in table 2:
Table 2
| Embodiment | 5 | 6 | 7 | 8 |
| Specific storage (F/g) | 196 | 245 | 228 | 209 |
As shown in table 2, the specific storage of Graphene/carbon black composite material prepared by the present invention under current density 0.5A/g all, more than 160F/g, is up to 245F/g, has excellent energy-storage property.
Should be understood that, the above-mentioned statement for preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, and scope of patent protection of the present invention should be as the criterion with claims.
Claims (10)
1. a preparation method for Graphene/carbon black composite material, is characterized in that, comprises the steps:
Graphite oxide is placed in to 0.5 ~ 10L deionized water and is configured to the graphite oxide solution that concentration is 0.5 ~ 2mg/ml, supersound process graphite oxide solution subsequently then adds 0.05 ~ 1g carbon black again in graphite oxide solution; Continue supersound process, subsequent filtration, dry, obtain graphene oxide/carbon black composite material;
The atmosphere that described graphene oxide/carbon black composite material is placed in to carbonic acid gas and rare gas element formation, at 800 ~ 1000 DEG C, sintering processes 2 ~ 3h, is cooled to room temperature, obtains described Graphene/carbon black composite material.
2. the preparation method of Graphene/carbon black composite material according to claim 1, is characterized in that, graphite oxide is adopted with the following method and made:
Graphite is added in the mixed acid solution of the vitriol oil and concentrated nitric acid, mix in bath and stir at frozen water, in mixed acid solution, add potassium permanganate at leisure more afterwards, then mixed acid solution is heated to 85 ° of C carries out oxide treatment, remove subsequently potassium permanganate, suction filtration, repetitive scrubbing screening, dry, obtains graphite oxide; Wherein, the quality of graphite and mixed acid solution and volume ratio are 1 ~ 5g:115 ~ 595ml; The mass ratio of graphite and potassium permanganate is 1:4 ~ 6.
3. the preparation method of Graphene/carbon black composite material according to claim 2, is characterized in that, in described mixed acid solution, the volume ratio of the vitriol oil and concentrated nitric acid is 90:25 ~ 475:120.
4. the preparation method of Graphene/carbon black composite material according to claim 2, is characterized in that, it is 30min ~ 1h that described mixed acid solution is heated to the time that 85 ° of C carry out oxide treatment.
5. the preparation method of Graphene/carbon black composite material according to claim 2, is characterized in that, the massfraction of described hydrogen peroxide solution is 30%, and the add-on of this hydrogen peroxide solution is 9 ~ 30ml.
6. the preparation method of Graphene/carbon black composite material according to claim 1, is characterized in that, in described graphite oxide/carbon black composite material preparation process, described in twice, the time of supersound process is 2 ~ 4h.
7. the preparation method of Graphene/carbon black composite material according to claim 1, it is characterized in that, in the atmosphere that described carbonic acid gas and rare gas element form, the airshed of controlling carbonic acid gas is 100 ~ 200ml/ minute, and the airshed of controlling rare gas element is 200 ~ 400ml/ minute.
8. the preparation method of Graphene/carbon black composite material according to claim 1, is characterized in that, when described sintering processes, adopts the temperature rise rate of 10 ~ 30 DEG C/min to be warming up to 800 ~ 1000 DEG C.
9. Graphene/carbon black composite material, is characterized in that, adopts the arbitrary described method of claim 1 to 8 to make.
Graphene/carbon black composite material claimed in claim 9 in electrochemical capacitor as the application of electrode active material.
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| CN105419095A (en) * | 2015-12-21 | 2016-03-23 | 赵社涛 | Method for producing carbon black composite powder material |
| CN105419096A (en) * | 2015-12-21 | 2016-03-23 | 赵社涛 | Method for producing carbon black composite powder material |
| CN105486679A (en) * | 2016-01-03 | 2016-04-13 | 济南大学 | Method for preparing alpha fetoprotein electrochemiluminescence sensor based on gold hybrid carbon black intercalation reduced graphene |
| CN106206047A (en) * | 2016-08-30 | 2016-12-07 | 江苏超电新能源科技发展有限公司 | Hard carbon/graphene composite material and preparation method thereof and lithium-ion capacitor and preparation method thereof |
| CN106430164A (en) * | 2016-09-29 | 2017-02-22 | 山东欧铂新材料有限公司 | Preparing method of graphene/carbon black composite material |
| CN108793119A (en) * | 2017-05-03 | 2018-11-13 | 申广 | A kind of carbon black and graphene microchip composite material technology of preparing |
| CN111171606A (en) * | 2019-12-30 | 2020-05-19 | 青岛科技大学 | Graphene-carbon black composite granules and preparation method and application thereof |
| CN111559745A (en) * | 2019-11-15 | 2020-08-21 | 湖南城市学院 | Adsorb CO2Preparation and modification method of solid material GO |
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| CN105419095A (en) * | 2015-12-21 | 2016-03-23 | 赵社涛 | Method for producing carbon black composite powder material |
| CN105419096A (en) * | 2015-12-21 | 2016-03-23 | 赵社涛 | Method for producing carbon black composite powder material |
| CN105419095B (en) * | 2015-12-21 | 2018-03-02 | 赵社涛 | A kind of production method of carbon black composite powder material |
| CN105419096B (en) * | 2015-12-21 | 2018-03-02 | 赵社涛 | A kind of production method of carbon black composite granule |
| CN105486679A (en) * | 2016-01-03 | 2016-04-13 | 济南大学 | Method for preparing alpha fetoprotein electrochemiluminescence sensor based on gold hybrid carbon black intercalation reduced graphene |
| CN105486679B (en) * | 2016-01-03 | 2017-04-19 | 济南大学 | Method for preparing alpha fetoprotein electrochemiluminescence sensor based on gold hybrid carbon black intercalation reduced graphene |
| CN106206047A (en) * | 2016-08-30 | 2016-12-07 | 江苏超电新能源科技发展有限公司 | Hard carbon/graphene composite material and preparation method thereof and lithium-ion capacitor and preparation method thereof |
| CN106430164A (en) * | 2016-09-29 | 2017-02-22 | 山东欧铂新材料有限公司 | Preparing method of graphene/carbon black composite material |
| CN108793119A (en) * | 2017-05-03 | 2018-11-13 | 申广 | A kind of carbon black and graphene microchip composite material technology of preparing |
| CN111559745A (en) * | 2019-11-15 | 2020-08-21 | 湖南城市学院 | Adsorb CO2Preparation and modification method of solid material GO |
| CN111171606A (en) * | 2019-12-30 | 2020-05-19 | 青岛科技大学 | Graphene-carbon black composite granules and preparation method and application thereof |
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