CN103723721A - Preparation method of graphene-modified activated carbon for supercapacitor - Google Patents
Preparation method of graphene-modified activated carbon for supercapacitor Download PDFInfo
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- CN103723721A CN103723721A CN201310590035.0A CN201310590035A CN103723721A CN 103723721 A CN103723721 A CN 103723721A CN 201310590035 A CN201310590035 A CN 201310590035A CN 103723721 A CN103723721 A CN 103723721A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 213
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 105
- WTDHULULXKLSOZ-UHFFFAOYSA-N hydroxylamine hydrochloride Substances Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 239000002023 wood Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 37
- 230000004048 modification Effects 0.000 claims description 34
- 238000012986 modification Methods 0.000 claims description 34
- 239000006185 dispersion Substances 0.000 claims description 30
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 14
- 239000003610 charcoal Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 235000013399 edible fruits Nutrition 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 7
- 230000004913 activation Effects 0.000 abstract description 4
- 239000007772 electrode material Substances 0.000 abstract description 4
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- WCYJQVALWQMJGE-UHFFFAOYSA-M hydroxylammonium chloride Chemical compound [Cl-].O[NH3+] WCYJQVALWQMJGE-UHFFFAOYSA-M 0.000 abstract 1
- 239000011257 shell material Substances 0.000 abstract 1
- 239000010902 straw Substances 0.000 abstract 1
- -1 gac Chemical compound 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000003575 carbonaceous material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- 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
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- Carbon And Carbon Compounds (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention discloses a preparation method of graphene-modified activated carbon for a supercapacitor and belongs to the technical field of electrode material preparation. The method comprises the steps of taking one or more of traditional shell, wood and straw activated carbon as raw materials, removing impurities, matching graphene oxide with specific parameters, performing high-temperature activation in a deionized water solution, reducing the graphene oxide to graphite with ammonium hydroxide and hydroxylammonium chloride, and performing dewatering and drying to obtain the graphene-modified activated carbon for the supercapacitor. The activated carbon prepared with the method is 1900-2010 m<2> in specific surface area and 0.30-0.33 g/ml in tap density. The supercapacitor made of the activated carbon is above 305 F/g in mass specific capacitance and 193 F/cm<2> in volume specific capacitance.
Description
Technical field
The invention belongs to electrode materials preparing technical field, be specifically related to a kind of preparation method of graphene oxide modification activated carbon for super capacitors, the method is take one or more in traditional shell, wooden and straw-stem active charcoal as raw material, through removing impurity, coupling special parameter graphene oxide, high-temperature activation in deionized water solution, utilizes ammoniacal liquor and oxammonium hydrochloride that graphene oxide is reduced to Graphene, then obtains Graphene modification activated carbon for super capacitors after drying through dewatering.
Background technology
Ultracapacitor is a kind of model electrochemical energy storage device.Because it is according to electrochemical principle design, produced, the electrochemical capacitor that is therefore otherwise known as, general reference has the electrical condenser of superpower and high-energy-density.Ultracapacitor have discharge and recharge fast, long service life, power density high, safeguard the advantages such as simple and convenient, economic environmental protection, have more and more important, purposes more and more widely.
Carbon material, particularly sp
2the carbon material of hydridization, because the specific surface area of special laminate structure, super large forms the electrode materials into important energy storage device.Carbon material has been widely used in lithium cell as decolorizing carbon, gac, graphite etc.
Graphene has higher specific surface area and high specific conductivity because of it, therefore when as capacitor material, have the character more excellent than traditional porous carbon materials, but Graphene volumetric capacitance is little, cannot be applied to the electricity devices such as jumbo ultracapacitor.Although the volumetric capacitance that can improve Graphene with activated carbon modified Graphene is to 119.7F/cm
2, but the activation temperature of its modifying process is higher, and Graphene is expensive, simultaneously owing to not preparing in a large number at present the technology of Graphene, and can not suitability for industrialized production so prepare electrode for super capacitor material with Graphene.
Gac is that ultracapacitor is used maximum electrode materialss, has the advantages such as specific surface area is high, electrochemical stability good, abundant raw material.But gac electroconductibility is poor, pore size distribution is unreasonable, the microvoid structure of gac has been contributed main specific surface area, and the migration resistance of ion in micropore is larger, and in addition, the ultracapacitor heat dispersion that traditional gac is made is undesirable.Therefore, no matter how its raw material sources change, how preparation technology to improve, and the specific surface area of traditional gac has reached peak value, the very large breakthrough of cannot having reentried of the capacitor performance of traditional Activated Carbon Production.
Therefore, how to overcome the deficiencies in the prior art and become electrode materials preparing technical field and need badly a difficult problem for solution.
Summary of the invention
The object of the invention is, in order to solve the deficiencies in the prior art, provides a kind of preparation method of graphene oxide modification activated carbon for super capacitors, and gac specific surface area prepared by the method reaches 1900 m
2~ 2010m
2, tap density reaches 0.30 ~ 0.33g/ml, the ultracapacitor of making of it, and more than quality reaches 305F/g than electric capacity, volumetric capacitance reaches 193F/cm
2.
The technical solution used in the present invention is as follows:
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by gac raw material after washing, supersound process, be heated to after 60 ℃ ~ 100 ℃, constant temperature is stirred to and mixes fully, add again ammoniacal liquor and hydrochloric acid hydrogen amine mixing solutions to reduce, finally reaction system is filtered with drying and processing and obtained graphene oxide modification activated carbon for super capacitors; Wherein the mass ratio of gac and graphene oxide aqueous dispersions is 1:1 ~ 1:100, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:10 ~ 5:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:0.5 ~ 1:5, and graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 1 ‰ ~ 20%.
Further preferably described gac raw material refers to that its concrete ratio is not done requirement by one or more the composition in active fruit shell carbon, wood activated charcoal and straw-stem active charcoal.
Further preferably described gac raw material granularity is 900 ~ 10000 orders.
Further preferably described washing refers to and utilizes deionized water to carry out at least 2 washings to gac raw material.
Further preferably the sheet footpath of described graphene oxide is 90nm ~ 600 μ m.
Further preferably the time of described supersound process is 0.5h ~ 10h.
Further preferably under described heated constant temperature condition, churning time is 0.5h ~ 10h.
Further preferably described drying time is 1h ~ 24h.
Further preferably described washing times is 2 ~ 5 times.
compared with prior art, its beneficial effect is in the present invention:the present invention is by introducing graphene oxide, formed the network configuration that Graphene and gac form, first make the specific surface area of gac be fully used, utilization ratio reaches more than 98%, next has increased substantially the electroconductibility of gac, fundamentally changed the large problem of ion migration resistance, again, the heat conductivility of Graphene excellence makes the heat dispersion of device improve 40%.The present invention uses a small amount of Graphene, avoids using higher activation temperature can make the Properties of Activated Carbon obtaining significantly improve, and Integrated using cost is low, and added value is high, is easy to suitability for industrialized production.The gac of modification is than capacitance data, current best higher by 52.8% than the world.
Accompanying drawing explanation
Fig. 1 is the Electronic Speculum figure of the graphene oxide modification activated carbon for super capacitors prepared of embodiment 5.
Specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
The present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by 900 object active fruit shell carbons after deionized water wash 2 times, supersound process 0.5h, be heated to after 60 ℃, constant temperature stirs 0.5h, add again ammoniacal liquor and oxammonium hydrochloride mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 1h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of active fruit shell carbon and graphene oxide aqueous dispersions is 1:1, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:2, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:0.5, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 1 ‰, and the sheet footpath of graphene oxide is 90nm.
Embodiment 2
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by 10000 object wood activated charcoals after deionized water wash 5 times, supersound process 10h, be heated to after 100 ℃, constant temperature stirs 10h, add again ammoniacal liquor and oxammonium hydrochloride mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 16h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of wood activated charcoal and graphene oxide aqueous dispersions is 1:100, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 5:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:5, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 20%, and the sheet footpath of graphene oxide is 600 μ m.
Embodiment 3
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by 1000 object straw-stem active charcoals after deionized water wash 4 times, supersound process 2h, be heated to after 90 ℃, constant temperature stirs 5h, add again ammoniacal liquor and oxammonium hydrochloride mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 20h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of straw-stem active charcoal and graphene oxide aqueous dispersions is 1:30, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 2:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:1, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 3%, and the sheet footpath of graphene oxide is 100nm.
Embodiment 4
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by the mixture of 1:1 by 2000 object active fruit shell carbons and wood activated charcoal mass ratio after deionized water wash 6 times, supersound process 4h, be heated to after 70 ℃, constant temperature stirs 4h, add again ammoniacal liquor and hydrochloric acid hydrogen amine mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 15h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of the mixture of active fruit shell carbon and wood activated charcoal and graphene oxide aqueous dispersions is 1:50, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:1, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 6%, and the sheet footpath of graphene oxide is 500nm.
Embodiment 5
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by the mixture of 1:1 by 2000 object active fruit shell carbons and straw-stem active charcoal mass ratio after deionized water wash 4 times, supersound process 7h, be heated to after 85 ℃, constant temperature stirs 4h, add again ammoniacal liquor and hydrochloric acid hydrogen amine mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 9h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of the mixture of active fruit shell carbon and straw-stem active charcoal and graphene oxide aqueous dispersions is 1:50, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:1, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 6%, and the sheet footpath of graphene oxide is 500nm;
The Electronic Speculum figure of the graphene oxide modification activated carbon for super capacitors that the present embodiment makes as shown in Figure 1.As can be seen from the figure the compound form of graphene oxide and gac.
Embodiment 6
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by the mixture of 1:1 by 2000 object wood activated charcoals and straw-stem active charcoal mass ratio after deionized water wash 7 times, supersound process 8h, be heated to after 75 ℃, constant temperature stirs 5h, add again ammoniacal liquor and hydrochloric acid hydrogen amine mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 6h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of the mixture of wood activated charcoal and straw-stem active charcoal and graphene oxide aqueous dispersions is 1:50, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:1, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 6%, and the sheet footpath of graphene oxide is 500nm.
Embodiment 7
A kind of preparation method of graphene oxide modification activated carbon for super capacitors adds graphene oxide aqueous dispersions by the mixture of 1:1:1 by 2000 object active fruit shell carbons, wood activated charcoal and straw-stem active charcoal mass ratio after deionized water wash 3 times, supersound process 9h, be heated to after 80 ℃, constant temperature stirs 6.5h, add again ammoniacal liquor and hydrochloric acid hydrogen amine mixing solutions to reduce, finally reaction system is filtered and the drying and processing of 5h, obtain the present embodiment graphene oxide modification activated carbon for super capacitors; Wherein, the mass ratio of the mixture of active fruit shell carbon, wood activated charcoal and straw-stem active charcoal and graphene oxide aqueous dispersions is 1:80, the molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:1, the mass ratio of graphene oxide and oxammonium hydrochloride is 1:1, graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 5 ‰, and the sheet footpath of graphene oxide is 500nm.
Comparative example
Taking respectively the each 0.5g of 2000 object wood activated charcoals and straw-stem active charcoal mixes, after deionized water wash 3 times, add 50g deionized water, supersound process 9h, be heated to after 80 ℃, constant temperature stirs 6.5h, add again 1.5g ammoniacal liquor and 3g hydrochloric acid hydrogen amine mixing solutions, finally mixture is filtered and the drying and processing of 5h, obtain gac.
The embodiment of the present invention 1 ~ 7 and comparative example's processing parameter and products thereof performance detection data is as shown in table 1.
Table 1 embodiment of the present invention 1 ~ 7 and comparative example's processing parameter and products thereof performance detection data
| ? | Graphene oxide | Dispersion liquid | Active fruit shell carbon | Wood activated charcoal | Straw-stem active charcoal | Ammoniacal liquor | Oxammonium hydrochloride | Quality compares electric capacity | Volumetric capacitance |
| Embodiment 1 | 0.5g | 500.0g | 500.0g | 0g | 0g | 0.63g | 2.5g | 191.2F/cm 2 | 299.6F/g |
| Embodiment 2 | 1.0g | 5.0g | 0g | 0.05g | 0g | 12.6g | 5.0g | 193.7F/cm 2 | 298.4F/g |
| Embodiment 3 | 3.0g | 100.0g | 0g | 0g | 3.3g | 3.0g | 3.0g | 198.1F/cm 2 | 306.1F/g |
| Embodiment 4 | 3.0g | 50.0g | 0.5g | 0.5g | 0g | 1.5g | 3.0g | 197.6F/cm 2 | 310.3F/g |
| Embodiment 5 | 1.5g | 25.0g | 0.25g | 0g | 0.25g | 0.76g | 1.5g | 199.0F/cm 2 | 308.5F/g |
| Embodiment 6 | 3.0g | 50.0g | 0g | 0.5g | 0.5g | 1.5g | 3.0g | 194.2F/cm 2 | 305.9F/g |
| Embodiment 7 | 3.0g | 50.0g | 0.33g | 0.33g | 0.33g | 1.5g | 3.0g | 196.5F/cm 2 | 306.4F/g |
| Comparative example | 0.0g | 50.0g | 0g | 0.5g | 0.5g | 1.5g | 3.0g | 110.7F/cm 2 | 198.3F/g |
From above-described embodiment, can find out, the activated carbon for super capacitors after graphene oxide modification, volumetric capacitance and quality, have significantly and promote than electric capacity compared with not adding the gac of graphene oxide.
Claims (9)
1. the preparation method of a graphene oxide modification activated carbon for super capacitors, it is characterized in that gac raw material to add graphene oxide aqueous dispersions after washing, supersound process, be heated to after 60 ℃ ~ 100 ℃, constant temperature is stirred to and mixes, add ammoniacal liquor and oxammonium hydrochloride mixing solutions to reduce again, finally reaction system is filtered with drying and processing and obtained graphene oxide modification activated carbon for super capacitors, the specific surface area of this gac reaches 1900 m
2~ 2010m
2, tap density reaches 0.30 ~ 0.33g/ml;
Wherein the mass ratio of gac and graphene oxide aqueous dispersions is 1:1 ~ 1:100;
The molar mass of ammoniacal liquor and oxammonium hydrochloride is than being 1:2 ~ 5:1;
The mass ratio of graphene oxide and oxammonium hydrochloride is 1:0.5 ~ 1:5;
Graphene oxide aqueous dispersions is the mixture that the mass ratio of graphene oxide and deionized water is 1 ‰ ~ 20%.
2. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that described gac raw material refers to by one or more the composition in active fruit shell carbon, wood activated charcoal and straw-stem active charcoal.
3. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that described gac raw material granularity is 900 ~ 10000 orders.
4. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that described washing refers to that utilizing deionized water to carry out at least 2 times to gac raw material washs.
5. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that the sheet footpath of described graphene oxide is 90nm ~ 600 μ m.
6. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that the time of described supersound process is 0.5h ~ 10h.
7. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that under described heated constant temperature condition, churning time is 0.5h ~ 10h.
8. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 1, is characterized in that described drying time is 1h ~ 24h.
9. the preparation method of graphene oxide modification activated carbon for super capacitors according to claim 4, is characterized in that described washing times is 2 ~ 5 times.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599861A (en) * | 2014-12-31 | 2015-05-06 | 江苏江大环保科技开发有限公司 | Preparation method of graphene/xylogen-based active carbon |
| CN104851611A (en) * | 2015-04-03 | 2015-08-19 | 安徽江威精密制造有限公司 | Low-resistance straw-based electrode material and preparation method thereof |
| CN105321726A (en) * | 2014-07-21 | 2016-02-10 | 中国科学院大连化学物理研究所 | High-magnification active carbon and active graphene composite electrode material and preparation method thereof |
| CN105405673A (en) * | 2015-11-05 | 2016-03-16 | 宁波南车新能源科技有限公司 | Electric double layer capacitor applying sandwich composite carbon electrode material and preparation method thereof |
| CN106082210A (en) * | 2016-06-20 | 2016-11-09 | 山东欧铂新材料有限公司 | A kind of compound active fruit shell carbon and preparation method thereof, application |
| CN106082213A (en) * | 2016-06-20 | 2016-11-09 | 山东欧铂新材料有限公司 | A kind of compound petroleum coke matrix activated carbon and preparation method thereof, ultracapacitor |
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| CN111170307A (en) * | 2020-01-14 | 2020-05-19 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | Nano-carbon modified hollow activated carbon micro-tube and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515145A (en) * | 2011-12-27 | 2012-06-27 | 常州第六元素材料科技股份有限公司 | Preparation process for high specific surface porous carbon material |
| CN102757040A (en) * | 2012-07-25 | 2012-10-31 | 哈尔滨工业大学 | Graphene-based hydrogel and preparation method thereof as well as preparation method and application of supercapacitor electrode taking graphene-based hydrogel as active material |
| CN103253658A (en) * | 2013-05-13 | 2013-08-21 | 常州第六元素材料科技股份有限公司 | Graphene with high volumetric specific capacitance and preparation method thereof |
| CN103295798A (en) * | 2013-05-16 | 2013-09-11 | 中国科学院苏州纳米技术与纳米仿生研究所 | Porous composite carbon material and application thereof |
-
2013
- 2013-11-22 CN CN201310590035.0A patent/CN103723721B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515145A (en) * | 2011-12-27 | 2012-06-27 | 常州第六元素材料科技股份有限公司 | Preparation process for high specific surface porous carbon material |
| CN102757040A (en) * | 2012-07-25 | 2012-10-31 | 哈尔滨工业大学 | Graphene-based hydrogel and preparation method thereof as well as preparation method and application of supercapacitor electrode taking graphene-based hydrogel as active material |
| CN103253658A (en) * | 2013-05-13 | 2013-08-21 | 常州第六元素材料科技股份有限公司 | Graphene with high volumetric specific capacitance and preparation method thereof |
| CN103295798A (en) * | 2013-05-16 | 2013-09-11 | 中国科学院苏州纳米技术与纳米仿生研究所 | Porous composite carbon material and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| HAIBO LI: "Reduced graphene oxide and activated carbon composites for capacitive deionization", 《JOURNAL OR MATERIALS CHEMISTRY》, vol. 22, 31 December 2012 (2012-12-31), pages 15556 - 15561 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105321726A (en) * | 2014-07-21 | 2016-02-10 | 中国科学院大连化学物理研究所 | High-magnification active carbon and active graphene composite electrode material and preparation method thereof |
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| CN107185489A (en) * | 2016-12-30 | 2017-09-22 | 常州碳星科技有限公司 | The preparation method of the sorbing material of Atmospheric Organic Pollutants |
| CN108996501A (en) * | 2017-06-06 | 2018-12-14 | 济南圣泉集团股份有限公司 | Modified absorbent charcoal material, preparation method and purposes |
| CN108996501B (en) * | 2017-06-06 | 2021-02-26 | 济南圣泉集团股份有限公司 | Modified activated carbon material, preparation method and application |
| CN109559897A (en) * | 2017-09-26 | 2019-04-02 | 财团法人工业技术研究院 | The electrode and its manufacturing method of composite material and its manufacturing method and application composite material |
| CN109665524A (en) * | 2017-10-16 | 2019-04-23 | 山东欧铂新材料有限公司 | A kind of preparation method and supercapacitor of small particle graphene composite stone oil coke matrix activated carbon |
| CN111170307A (en) * | 2020-01-14 | 2020-05-19 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | Nano-carbon modified hollow activated carbon micro-tube and preparation method and application thereof |
| CN111170307B (en) * | 2020-01-14 | 2023-04-28 | 江西省纳米技术研究院 | Nanocarbon modified hollow activated carbon microtube and preparation method and application thereof |
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