CN106683891A - High-conductivity flexible graphite/mesoporous graphitized carbon composite membrane electrode preparation method - Google Patents
High-conductivity flexible graphite/mesoporous graphitized carbon composite membrane electrode preparation method Download PDFInfo
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- CN106683891A CN106683891A CN201611010466.5A CN201611010466A CN106683891A CN 106683891 A CN106683891 A CN 106683891A CN 201611010466 A CN201611010466 A CN 201611010466A CN 106683891 A CN106683891 A CN 106683891A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000012528 membrane Substances 0.000 title claims abstract description 56
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 17
- 239000010439 graphite Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 59
- 239000006185 dispersion Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 6
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 4
- 229940071870 hydroiodic acid Drugs 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 229960005070 ascorbic acid Drugs 0.000 claims description 3
- 235000010323 ascorbic acid Nutrition 0.000 claims description 3
- 239000011668 ascorbic acid Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 150000001722 carbon compounds Chemical class 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims 1
- 229910021641 deionized water Inorganic materials 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 150000004040 pyrrolidinones Chemical class 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001291 vacuum drying Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical class CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/38—Carbon pastes or blends; Binders or additives therein
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a high-conductivity flexible graphite/mesoporous graphitized carbon composite membrane electrode preparation method. The method comprises the following steps: graphene oxide and porous graphitized carbon are mixed and dispersed to prepare a uniformly-dispersed mixed dispersion liquid; the mixed dispersion liquid is subjected to vacuum filtration, and after drying, a graphene oxide/mesoporous graphitized carbon composite membrane is obtained; and the prepared graphene oxide/mesoporous graphitized carbon composite membrane is subjected to reduction treatment to obtain the above flexible electrode. The prepared composite membrane has excellent flexibility and high conductivity, the rate capability of a super capacitor is improved, and the performance of the super capacitor can be further improved.
Description
Technical field
The invention belongs to technical field of electronic materials, it is related to a kind of high connductivity Flexible graphene/mesoporous graphitized carbon to be combined
The preparation method of membrane electrode..
Background technology
Ultracapacitor be 70-eighties of 20th century grow up it is a kind of between secondary cell and traditional capacitor it
Between new type of energy storage device, because it can be provided higher than the energy density of physical capacitor and higher than cell power density simultaneously
And have cycle life long concurrently.
In previous research, the geometry of ultracapacitor is relatively easy.And in mobile device and wearable set
Standby growing today, the flexibility of ultracapacitor has become to become more and more important.Flexibility is referred in ultracapacitor
Each part be possess flexible (electrode and packaging etc.).This is also between flexible super electric capacity and conventional Super electric capacity
Maximum difference, can assign flexible super electric capacity different shape and structure.Prepare it is critical only that for flexible super capacitor
Suitable flexible electrode material is obtained, many researchers spend the high performance flexible electrode of a large amount of effort designs.
Graphene is the two dimensional crystal for finding in recent years, and six side's honeycombs being made up of single layer of carbon atom, Graphene has
Many peculiar properties (electron mobility of superelevation, mechanical property high) and boundless application prospect, exist at present
There is the application of correlation in energy storage and new electronic component field.Due to its structure, mechanical performance and high specific surface area,
Therefore Graphene can be used as the ideal electrode material for preparing flexible capacitor.
The preparation method of present existing grapheme conductive film is to be prepared Graphene slurry by techniques such as suction filtration, spin coatings
Into conducting film.But prepared conducting film has excessively densification, the low shortcoming of specific surface area, these factors cause to make
Occur that electrolyte wettability is poor, specific capacity low problem during used time flexible super electric capacity so that the electricity of Graphene flexible capacitor
Chemical property is far below expection.
The content of the invention
It is an object of the invention to overcome the defect in prior art, there is provided a kind of Flexible graphene/mesoporous graphitized carbon
The preparation method of compound film electrode.
To achieve the above object, the present invention uses following technical scheme：
1. graphene oxide and porous graphite carbon are mixed into dispersion, be prepared into dispersed mixed dispersion liquid；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration, graphene oxide/mesoporous graphitized carbon is obtained after drying
Composite membrane；
3. the graphene oxide for being prepared by step 2/porous graphite carbon composite membrane carries out reduction treatment, and that arrives is described soft
Property electrode.
S1. preferably, the mass ratio of graphene oxide and mesoporous graphitized carbon is 10 in step 1：1-10.
S2. preferably, the solvent of mixed dispersion liquid is 1-METHYLPYRROLIDONE, N in step 1, N- dimethylformamides or is gone
Any one in ionized water.
S3. preferably, the concentration of mixed dispersion liquid is 1-3mg ml in step 1-1。
S4. preferably, the specific surface area of step 1 intermediary hole graphitized carbon is in 1500-3000m2g-1, average pore size is
10nm。
S5. preferably, the drying temperature of composite membrane is 15-30 DEG C in step 2, and drying time is 48-72h.
S6. preferably, the reducing process of composite membrane is in step 3, composite membrane is placed in reduction is heated in reducing agent.
S7. preferably, the reducing agent in step S6 is any one in hydroiodic acid, hydrobromic acid, ascorbic acid.
S8. composite membrane is applied in ultracapacitor and lithium ion battery.
S9. composite membrane is applied in flexible super capacitor and flexible lithium ion battery.
Because the beneficial effect using above technical scheme, the application is：
The preparation method of the high connductivity flexible compound film of the application, slurry is prepared using graphene oxide and mesoporous graphitized carbon
Material, then by vacuum filtration and reduction, step is simple, and with low cost, prepared composite membrane has fabulous flexibility, and
With high conductivity.By adding the mesoporous graphitized carbon of high-specific surface area, the gap between graphene sheet layer can not only be increased,
Improve the reunion of Graphene, moreover it is possible to provide and be easy to the mesoporous of ion shuttle, improve the high rate performance of ultracapacitor.Additionally, rich
Rich pore structure and high-ratio surface preferably can infiltrate with electrolyte, further improve the performance of ultracapacitor.
Brief description of the drawings
Fig. 1：It is the scanning electron microscope (SEM) photograph in the section of high connductivity composite membrane in the embodiment of the present application；
Fig. 2：It is three electrode test result figures of composite membrane in the embodiment of the present application, respectively sweep speed from inside to outside
Cyclic voltammetry curve under 5mV, 10mV, 20mV, 50mV, 100mV.
Specific embodiment
Embodiment 1
1. by graphene oxide (50mg) and porous graphite carbon with mass ratio 1：1 is mixed, and is added mixture to
In the water of 50mL, ultrasonic 20min is prepared into well mixed graphene oxide/mesoporous graphitized carbon solution；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration 12h, obtain the graphene oxide of vacuum filtration/mesoporous
Graphitized carbon composite membrane, by graphene oxide/porous graphite carbon composite membrane, (25 DEG C) dry 24h at room temperature, are aoxidized
Graphene/mesoporous graphitized carbon composite membrane；
3. graphene oxide/mesoporous graphitized carbon composite membrane is added to the hydroiodic acid of 90 DEG C of 5mL, 2h is reacted, spent
Composite membrane after ionized water cleaning reduction, 12h is dried in 50 DEG C of vacuum drying chamber, obtains Graphene/mesoporous graphitized carbon
Composite membrane.
Embodiment 2
1. by graphene oxide (50mg) and porous graphite carbon with mass ratio 10：1 is mixed, and is added mixture to
In the water of 50mL, ultrasonic 20min is prepared into well mixed graphene oxide/mesoporous graphitized carbon solution；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration 12h, obtain the graphene oxide of vacuum filtration/mesoporous
Graphitized carbon composite membrane, by graphene oxide/porous graphite carbon composite membrane, (25 DEG C) dry 24h at room temperature, are aoxidized
Graphene/mesoporous graphitized carbon composite membrane；
3. graphene oxide/mesoporous graphitized carbon composite membrane is added to the hydroiodic acid of 90 DEG C of 10mL, 2h is reacted, spent
Composite membrane after ionized water cleaning reduction, 12h is dried in 50 DEG C of vacuum drying chamber, obtains Graphene/mesoporous graphitized carbon
Composite membrane.
Embodiment 3
1. by graphene oxide (50mg) and porous graphite carbon with mass ratio 5：1 is mixed, and is added mixture to
In the water of 50mL, ultrasonic 20min is prepared into well mixed graphene oxide/mesoporous graphitized carbon solution；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration 12h, obtain the graphene oxide of vacuum filtration/mesoporous
Graphitized carbon composite membrane, by graphene oxide/porous graphite carbon composite membrane, (25 DEG C) dry 24h at room temperature, are aoxidized
Graphene/mesoporous graphitized carbon composite membrane；
3. graphene oxide/mesoporous graphitized carbon composite membrane is added to the hydrobromic acid of 90 DEG C of 10mL, 2h is reacted, spent
Composite membrane after ionized water cleaning reduction, 12h is dried in 50 DEG C of vacuum drying chamber, obtains Graphene/mesoporous graphitized carbon
Composite membrane.
Embodiment 4
1. by graphene oxide (50mg) and porous graphite carbon with mass ratio 2：1 is mixed, and is added mixture to
In the water of 50mL, ultrasonic 20min is prepared into well mixed graphene oxide/mesoporous graphitized carbon solution；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration 12h, obtain the graphene oxide of vacuum filtration/mesoporous
Graphitized carbon composite membrane, by graphene oxide/porous graphite carbon composite membrane, (25 DEG C) dry 24h at room temperature, are aoxidized
Graphene/mesoporous graphitized carbon composite membrane；
3. graphene oxide/mesoporous graphitized carbon composite membrane is added to the hydrobromic acid of 90 DEG C of 10mL, 2h is reacted, spent
Composite membrane after ionized water cleaning reduction, 12h is dried in 50 DEG C of vacuum drying chamber, obtains Graphene/mesoporous graphitized carbon
Composite membrane.
Embodiment 5
1. by graphene oxide (50mg) and porous graphite carbon with mass ratio 8：1 is mixed, and is added mixture to
In the water of 50mL, ultrasonic 20min is prepared into well mixed graphene oxide/mesoporous graphitized carbon solution；
2. the mixed dispersion liquid in step 1 is carried out into vacuum filtration 12h, obtain the graphene oxide of vacuum filtration/mesoporous
Graphitized carbon composite membrane, by graphene oxide/porous graphite carbon composite membrane, (25 DEG C) dry 24h at room temperature, are aoxidized
Graphene/mesoporous graphitized carbon composite membrane；
3. graphene oxide/mesoporous graphitized carbon composite membrane is added to the hydrobromic acid of 90 DEG C of 10mL, 2h is reacted, spent
Composite membrane after ionized water cleaning reduction, 12h is dried in 50 DEG C of vacuum drying chamber, obtains Graphene/mesoporous graphitized carbon
Composite membrane.
Embodiment 6
The places different from embodiment 1 are, for reducing the reducing agent of composite membrane for the ascorbic acid of 1mg mL-1 is molten
Liquid, the amount of reducing agent is 50mL, and reaction temperature is 90 DEG C, and the reaction time is 3h.
Embodiment 7
The places different from embodiment 6 are, the amount of reducing agent is 25mL, and reaction temperature is 90 DEG C, and the reaction time is
1h。
Table 1 is the electrical conductivity of composite membrane in the embodiment of the present application.
The electrical conductivity of the Graphene of table 1/mesoporous graphitized carbon composite membrane
Claims (10)
1. the preparation method of a kind of Flexible graphene/mesoporous graphitized carbon compound film electrode, it is characterised in that：
Step 1：Graphene oxide and porous graphite carbon are mixed into dispersion, dispersed mixed dispersion liquid is prepared into；
Step 2：Mixed dispersion liquid in step 1 is carried out into vacuum filtration, graphene oxide/porous graphite carbon is obtained after drying
Composite membrane；
Step 3：Graphene oxide prepared by step 2/porous graphite carbon composite membrane carries out reduction treatment, and that arrives is described soft
Property electrode.
2. the preparation method according to right will go 1, it is characterised in that：Graphene oxide and mesoporous graphitized carbon in step 1
Weight ratio be 10：1-10.
3. preparation method according to claim 1, it is characterised in that：The solvent of mixed dispersion liquid is N- methyl in step 1
Pyrrolidones, N, any one in N- dimethylformamides or deionized water.
4. preparation method according to claim 1, it is characterised in that：The concentration of mixed dispersion liquid is 1-3mg in step 1
ml-1。
5. preparation method according to claim 1, it is characterised in that：The specific surface area of step 1 intermediary hole graphitized carbon exists
1500-3000m2g-1, average pore size is 10nm.
6. preparation method according to claim 1, it is characterised in that：The drying temperature of composite membrane is 15-30 in step 2
DEG C, drying time is 48-72h.
7. preparation method according to claim 1, it is characterised in that：The reducing process of composite membrane is in step 3, by composite membrane
It is placed in and reduction is heated in reducing agent.
8. preparation method according to claim 7, it is characterised in that：Reducing agent is in hydroiodic acid, hydrobromic acid, ascorbic acid
Any one.
9. the preparation method according to claim any one of 1-8, it is characterised in that：Described composite membrane is applied in super electricity
In container and lithium ion battery.
10. the preparation method according to claim any one of 1-8, it is characterised in that：Described composite membrane is applied in flexibility
In ultracapacitor and flexible lithium ion battery.
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| CN201611010466.5A CN106683891A (en) | 2016-11-17 | 2016-11-17 | High-conductivity flexible graphite/mesoporous graphitized carbon composite membrane electrode preparation method |
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| CN201611010466.5A CN106683891A (en) | 2016-11-17 | 2016-11-17 | High-conductivity flexible graphite/mesoporous graphitized carbon composite membrane electrode preparation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946086A (en) * | 2017-12-09 | 2018-04-20 | 北京化工大学 | It is a kind of using graphene as full carbon resistance rod of ultracapacitor flexible self-supporting of binding agent and preparation method thereof |
| CN107994208A (en) * | 2017-12-09 | 2018-05-04 | 北京化工大学 | A kind of flexibility carbon electrode and its application in lithium ion battery |
| CN108376615A (en) * | 2018-03-03 | 2018-08-07 | 济宁利特纳米技术有限责任公司 | A kind of button ultracapacitor graphene-based electrode slice and preparation method thereof |
| CN108439374A (en) * | 2018-03-02 | 2018-08-24 | 合肥国轩高科动力能源有限公司 | Preparation method of carbon particle supported three-dimensional multilayer graphene structure |
| CN110048110A (en) * | 2019-04-25 | 2019-07-23 | 杭州高烯科技有限公司 | A kind of preparation method and applications of graphene combination electrode material |
| EP3699940A4 (en) * | 2017-10-16 | 2021-07-07 | Sekisui Chemical Co., Ltd. | Composite body, electrode material for electricity storage devices, and electricity storage device |
| WO2021183020A1 (en) * | 2020-03-09 | 2021-09-16 | Skrypnychuk Vasyl | 3d particulate carbon dispersions |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3699940A4 (en) * | 2017-10-16 | 2021-07-07 | Sekisui Chemical Co., Ltd. | Composite body, electrode material for electricity storage devices, and electricity storage device |
| CN107946086A (en) * | 2017-12-09 | 2018-04-20 | 北京化工大学 | It is a kind of using graphene as full carbon resistance rod of ultracapacitor flexible self-supporting of binding agent and preparation method thereof |
| CN107994208A (en) * | 2017-12-09 | 2018-05-04 | 北京化工大学 | A kind of flexibility carbon electrode and its application in lithium ion battery |
| CN107994208B (en) * | 2017-12-09 | 2020-06-05 | 北京化工大学 | Flexible carbon electrode and application thereof in lithium ion battery |
| CN108439374A (en) * | 2018-03-02 | 2018-08-24 | 合肥国轩高科动力能源有限公司 | Preparation method of carbon particle supported three-dimensional multilayer graphene structure |
| CN108376615A (en) * | 2018-03-03 | 2018-08-07 | 济宁利特纳米技术有限责任公司 | A kind of button ultracapacitor graphene-based electrode slice and preparation method thereof |
| CN110048110A (en) * | 2019-04-25 | 2019-07-23 | 杭州高烯科技有限公司 | A kind of preparation method and applications of graphene combination electrode material |
| WO2021183020A1 (en) * | 2020-03-09 | 2021-09-16 | Skrypnychuk Vasyl | 3d particulate carbon dispersions |
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Application publication date: 20170517 |