CN107658148A - A kind of method for preparing graphene tin dioxide composite material and its application in terms of energy storage - Google Patents
A kind of method for preparing graphene tin dioxide composite material and its application in terms of energy storage Download PDFInfo
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- CN107658148A CN107658148A CN201610608351.XA CN201610608351A CN107658148A CN 107658148 A CN107658148 A CN 107658148A CN 201610608351 A CN201610608351 A CN 201610608351A CN 107658148 A CN107658148 A CN 107658148A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
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- 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
Abstract
The present invention discloses a kind of method for preparing graphene tin dioxide composite material and its application in terms of energy storage, the graphene oxide liquid mixture prepared using chemical method is raw material, after adding stannous chloride reaction, then high-temperature calcination is carried out, that is, obtain graphene tin dioxide composite material.Capacitor is assembled into using composite, has shown excellent chemical property, preparation method technique of the invention is easy and effective, is adapted to large-scale production, has significant application prospect.
Description
Technical field
The invention belongs to the preparation field of electrode material for super capacitor graphene composite material, more specifically to
The preparation method of graphene/tin dioxide composite material.
Background technology
As energy problem becomes increasingly conspicuous in recent years, developing and preparing the energy storage device with excellent properties turns into people's day
The focus of benefit concern.Thus, prepare the high ultracapacitor of power density and have become an important research topic.Many institutes
Known, graphene is a kind of new carbonaceous material, has excellent chemical stability, electron conduction, and good is mechanical flexible
The features such as property, these advantages, which become, prepares one of important source material of electrode material for super capacitor.Tin ash is a kind of
Important conventional conductive material, the electric conductivity of composite can be improved, is widely used in lithium battery, solar cell etc.
Energy field.But tin ash has the common defects i.e. stability of metal oxide poor.Therefore, super capacitor is being prepared
It is often that tin ash is composite modified with other materials during device, to obtain more preferable capacity and stability.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind by preparing graphite alkene/tin ash
The preparation method of composite, and realize its application in all-solid-state supercapacitor.
The technical purpose of the present invention is achieved by following technical proposals：
A kind of method for preparing graphene-tin dioxide composite material, is carried out as steps described below：Uniformly divided using solvent
Graphene oxide is dissipated, and addition stannous chloride and neopelex are reacted into system；The production obtained after reaction
After thing is dried, calcine in an inert atmosphere, obtain graphene-tin dioxide composite material.
In the above-mentioned technical solutions, inert atmosphere is nitrogen, argon gas or helium.
In the above-mentioned technical solutions, calcination time is 4-6 hours, and calcining heat is 500-600 degrees Celsius；Preferably,
Calcination time is 5-6 hours, and calcining heat is 550-600 degrees Celsius.
In the above-mentioned technical solutions, the use of solvent is water, ethanol, tetrahydrofuran, methanol, ethylene glycol, dimethylformamide
Or methyl pyrrolidone.
In the above-mentioned technical solutions, add in a solvent graphene oxide, stannous chloride and neopelex and
It is uniformly dispersed in course of reaction using stirring or ultrasound, mixing speed is 150-200 turns/min, and ultrasonic power is
200—500w。
In the above-mentioned technical solutions, reaction temperature is 20-25 degrees Celsius of room temperature, or 30-80 degrees Celsius.
In the above-mentioned technical solutions, the reaction time is 2-12 hours, preferably 10-12 hours.
In the above-mentioned technical solutions, the dosage of graphene oxide is 0.3-0.5 mass parts, stannous chloride dosage is 1-
1.5 mass parts, neopelex dosage are 0.4-0.6 mass parts, and solvent load is 150-200 parts by volume, 1 mass
Part is 1g, and 1 parts by volume is 1ml.
In the above-mentioned technical solutions, the graphene oxide used prepares the mixed liquor of graphene oxide with reference to chemical method, warp
Graphene oxide is obtained after washing vacuum drying, with specific reference to M.Chen, H.Wang, L.Li, Z.Zhang, C.Wang, Y.Liu,
W.Wang,J.Gao,ACS applied materials&interfaces 2014,6,14327。
Using TEM (Flied emission transmission electron microscope, JEM-2100F, Japanese JEOL companies) to the composite of preparation
Characterized, as shown in Figure 2, the area load being clearly seen that in graphene has abundant spherical tin ash, and particle diameter exists
8—12nm.The composite of preparation is characterized using XRD (X-ray diffractometer, MAX-RC, Rigaku), such as the institute of accompanying drawing 3
Show, all peak positions of the XRD spectra and the peak position of tin ash standard x RD spectrograms are basically identical, illustrate inside compound also
There is tin ash.Meanwhile the spectrogram does not have the characteristic peak of graphene oxide, illustrate graphene oxide by low price tin ion also
It is former.
Application of the graphene-tin dioxide composite material in terms of energy storage according to the preparation of above-mentioned preparation method.
Graphene-tin dioxide composite material is dispersed in a solvent, collector is immersed in solvent repeatedly and dried in the air
It is dry, to increase the load capacity of composite on a current collector, then immerse and solidification is taken out in electrolyte, by two panels load-type composite material
Collector be assembled into capacitor.
In the above-mentioned technical solutions, solvent be water, ethanol, tetrahydrofuran, methanol, ethylene glycol, dimethylformamide or
Methyl pyrrolidone.
In the above-mentioned technical solutions, using stirring or ultrasound be uniformly dispersed, mixing speed be 150-200 turns/
Min, ultrasonic power are 200-500w.
In the above-mentioned technical solutions, collector is nickel foam, foam copper, foamed aluminium or carbon cloth.
In the above-mentioned technical solutions, electrolyte is the aqueous solution of polyvinyl alcohol and electrolyte, the dosage (matter of polyvinyl alcohol
Amount, g) and electrolyte dosage (amount of material, mol) ratio be 100：(1-5), electrolyte are potassium hydroxide or sodium hydroxide
Or potassium chloride or lithium chloride, the number-average molecular weight of preferable polyvinyl alcohol is 16000-20000.
In the above-mentioned technical solutions, collector carries out tabletting, pressure 0.5-10Mpa after load-type composite material.
In the above-mentioned technical solutions, collector carries out tabletting, pressure 0.5-10Mpa after electrolyte is loaded.
Compared with prior art, The inventive method achieves transformation of the graphene oxide to redox graphene, together
When loaded tin ash.Special redox graphene is not needed, reduces reactions steps, while avoid use from having environment
The harmful medicine of poison.This method has carried out high-temperature calcination to graphene/tin ash head product, further effectively removes graphene
Upper part organic group that may be present.Graphene/tin dioxide composite material prepared by this method has shown excellent electricity
Chemical property, specific capacitance 78.0F/g.The preparation method technique of the present invention is easy and effective, is adapted to large-scale production, has notable
Application prospect.
Brief description of the drawings
Fig. 1 is that graphene/tin ash ultracapacitor that the present invention assembles is bent in the cyclic voltammetric of different scanning speed
Line.
Fig. 2 is the TEM figures of graphene/tin dioxide composite material prepared by the present invention.
Fig. 3 is the XRD of graphene/tin dioxide composite material prepared by the present invention.
Embodiment
Technical scheme is further illustrated with reference to specific embodiment.
Embodiment 1：
(1) by 3.0g graphite and 1.5g NaNO3It is placed in the beaker that capacity is 1L, under condition of ice bath, slowly
Add the dense H of 100mL2SO4(98wt%), stir 40min；It is then slowly added into 15gKMnO4, strong stirring 1.5h；Will be above-mentioned mixed
Compound is moved in 35 DEG C of water-baths, is stirred vigorously 1.5h, forms blackish green paste material；Added into above-mentioned paste
150mL deionized waters form mixture, and mixture is moved in 98 DEG C of water-baths, react 10min；Then add 500mL deionizations
Water, then 25mL30wt%H is added dropwise2O2The aqueous solution, be changed into glassy yellow suspension to it.After suspension sedimentation 24 hours, take out
Filter, with deionized water rinsing to neutrality, obtain graphene oxide, 60 DEG C of vacuum drying 24h.
(2) 1.25g stannous chloride is dissolved in 200mL absolute ethyl alcohols.Graphene oxide prepared by 0.35g is weighed, is added
Enter in above-mentioned ethanol solution, after stirring fully, ultrasonic disperse 1h.0.48g neopelexes (SDBS) are weighed to be added to
In the dispersion liquid, 12h is stirred.Filter, using 200ml distilled water washed products, be subsequently placed in vacuum drying oven, 60 DEG C dry
Dry 72h.Product is calcined into 5h in tubular type Muffle furnace, condition is lower 600 DEG C of argon gas protection, then obtains graphene/titanium dioxide
Tin composite material.
(3) 50mg graphenes/tin ash compound is weighed, 50ml ethanol is added, is sufficiently stirred, ultrasonic 30min, is allowed to
Form uniform dispersion.Nickel foam is subsequently dipped to, taking-up is dried, and is again dipped into dispersion liquid, is repeated five times, final load
0.5mg compounds.After drying, using tablet press machine in 10MPa lower sheetings.
(4) 2g polyvinyl alcohol is weighed, adds in 20ml1M potassium hydroxide solution, heats while stirring, it is equal to its formation
One poly-vinyl alcohol solution.The foam nickel sheet of two load graphene/tin ash compounds is immersed in poly-vinyl alcohol solution,
Taken out after five minutes and be assembled into capacitor, kept for 10 minutes under 0.5MPa pressure, that is, obtain all-solid-state supercapacitor.
Embodiment 2：
(1) by 6.0g graphite and 3.0g NaNO3It is placed in the beaker that capacity is 2L, under condition of ice bath, slowly
Add the dense H of 180mL2SO4(98wt%), stir 40min；30gKMnO is slowly added in above-mentioned mixed system4, strong stirring
1.5h；Said mixture is moved in 35 DEG C of water-baths, is stirred vigorously 1.5h, forms blackish green paste material；To above-mentioned cream
300mL deionized waters are added in shape thing, mixture is moved in 98 DEG C of water-baths, react 10min.800mL deionized waters are added, so
After 25mL30wt%H is added dropwise2O2The aqueous solution, to obtaining glassy yellow suspension.After suspension sedimentation 24 hours, filter, use
Deionized water rinsing obtains graphene oxide, is then placed in vacuum drying chamber, 60 DEG C are dried in vacuo 24h to neutrality.
(2) 1.5g stannous chloride is dissolved in 200mL absolute ethyl alcohols.Graphene oxide prepared by 0.5g is weighed, is added
In above-mentioned ethanol solution, after stirring fully, ultrasonic disperse 1h.Weigh 0.6g neopelexes (SDBS) and be added to this point
In dispersion liquid, 6h is stirred vigorously.Centrifugation, and use 200ml distilled water washed products, be subsequently placed in vacuum drying oven, 60 DEG C do
Dry 72h.Product in tubular type Muffle furnace nitrogen protection under 550 DEG C calcining 4h, then obtain graphene/tin ash composite wood
Material.
(3) 50mg graphenes/tin ash compound is weighed, 50ml ethanol is added, is sufficiently stirred, ultrasonic 30min, is allowed to
Form uniform dispersion.Foam copper is subsequently dipped to, taking-up is dried, and is again dipped into dispersion liquid, is repeated ten times, final load
1.0mg compound.After drying, using tablet press machine in 10MPa lower sheetings.
(4) 2.5g polyvinyl alcohol is weighed, adds in 25ml1M Klorvess Liquid, heats while stirring, it is equal to its formation
One poly-vinyl alcohol solution.The foam copper sheet of two load graphene/tin ash compounds is immersed in poly-vinyl alcohol solution,
Taken out after five minutes and be assembled into capacitor, kept for 10 minutes under 0.5MPa pressure, that is, obtain all-solid-state supercapacitor.
Embodiment 3：
(1) by 3.0g graphite and 1.5g NaNO3It is placed in the beaker that capacity is 1L, under condition of ice bath, slowly
Add the dense H of 100mL2SO4(98wt%), stir 40min；15gKMnO is slowly added in above-mentioned mixed system4, strong stirring
1.5h；Said mixture is moved in 35 DEG C of water-baths, is stirred vigorously 1.5h, forms blackish green paste material；To above-mentioned cream
In shape thing add 150mL deionized waters, after mixture is moved in 98 DEG C of water-baths, react 10min.500mL deionized waters are added,
Then 25mL30wt%H is added dropwise2O2The aqueous solution, obtain glassy yellow suspension.After suspension sedimentation 24 hours, filter, use
Deionized water rinsing obtains graphene oxide, is then placed in vacuum drying chamber, 60 DEG C are dried in vacuo 24h to neutrality.
(2) 1g stannous chloride is dissolved in 200mL absolute ethyl alcohols.Graphene oxide prepared by 0.3g is weighed, in addition
State in ethanol solution, after stirring fully, ultrasonic disperse 1h.Weighing 0.4g neopelexes (SDBS), to be added to this scattered
In liquid, 4h is stirred vigorously.Filter, using 200ml distilled water washed products, be subsequently placed in vacuum drying oven, 60 DEG C of dryings
72h.Product calcines 6h in tubular type Muffle furnace, and condition is lower 500 DEG C of helium protection, and it is multiple then to obtain graphene/tin ash
Condensation material.
(3) 50mg graphenes/tin ash compound is weighed, 50ml deionized waters is added, is sufficiently stirred, ultrasonic 30min,
It is allowed to form uniform dispersion.Carbon cloth is subsequently dipped to, taking-up is dried, and is again dipped into dispersion liquid, is repeated five times, final negative
Carrying capacity is 0.5mg.
(4) 2g polyvinyl alcohol is weighed, adds in 20ml1M Klorvess Liquid, heats while stirring, it is homogeneous to its formation
Poly-vinyl alcohol solution.The carbon cloth of two panels load graphene/tin ash compound is immersed in poly-vinyl alcohol solution, ten minutes
Take out afterwards and be assembled into capacitor, kept for 10 minutes under 0.5MPa pressure, that is, obtain all-solid-state supercapacitor.
Comparative example 1
(1) by 3.0g graphite and 1.5g NaNO3It is placed in the beaker that capacity is 1L, under condition of ice bath, slowly
Add the dense H of 100mL2SO4(98wt%), stir 40min；15gKMnO is slowly added in above-mentioned mixed system4, strong stirring
1.5h；Said mixture is moved in 35 DEG C of water-baths, is stirred vigorously 1.5h, forms blackish green paste material；To above-mentioned cream
150mL deionized waters are added in shape thing, mixture is moved in 98 DEG C of water-baths, react 10min；Then add 500mL deionizations
Water, 25mL30wt%H is then added dropwise2O2The aqueous solution, be changed into glassy yellow suspension to it.After suspension sedimentation 24 hours,
Filter, with deionized water rinsing to neutrality, obtain graphene oxide.Then it is placed in vacuum drying chamber, 60 DEG C of vacuum are done
Dry 24h.
(2) 1.5g stannous chloride is dissolved in 200mL absolute ethyl alcohols.Graphene oxide prepared by 0.35g is weighed, is added
In above-mentioned ethanol solution, after stirring fully, ultrasonic disperse 1h.Weigh 0.48g neopelexes (SDBS) and be added to this
In dispersion liquid, 8h is stirred vigorously.Filter, using 200ml distilled water washed products, be subsequently placed in vacuum drying oven, 60 DEG C
Dry 72h.
(3) weigh the above-mentioned products of 50mg, add 50ml ethanol, be sufficiently stirred, ultrasonic 30min, be allowed to be formed dispersed
Liquid.Nickel foam is subsequently dipped to, taking-up is dried, and is again dipped into dispersion liquid, is repeated five times, and final load capacity is 0.5mg.Dry in the air
After dry, using tablet press machine in 10MPa lower sheetings.
(4) 2g polyvinyl alcohol is weighed, adds in 20ml1M sodium hydroxide solution, heats while stirring, it is equal to its formation
One polyethylene solution.The foam nickel sheet of two load graphenes is immersed in poly-vinyl alcohol solution, assembling is taken out after ten minutes
Into capacitor, kept for 10 minutes under 0.5MPa pressure, that is, obtain all-solid-state supercapacitor.
Using Shanghai Chen Hua CHI 660E electrochemical workstations, surpassed using cyclic voltammetry test graphene/tin ash
The energy storage effect (embodiment 1) of level capacitor, is respectively adopted 5mv/s (cyclic curve 1), 10mv/s (cyclic curve 2), 20mv/s
(cyclic curve 3), graphene/tin ash ultracapacitor prepared by 50mv/s (cyclic curve 4) velocity measuring, such as accompanying drawing 1
Shown, obtained specific capacitance is respectively：
The capacitor performance of comparative example is only 25-30F/g under the conditions of 5mv/s, hence it is evident that is weaker than the composite wood of the present invention
Material, illustrate that calcination processing produces material impact to the structure and performance of composite, improve the energy-storage property of material really.
Embodiment 2 and 3 is detected using same test method, shows the performance basically identical with embodiment 1.According to invention
Content adjusting process carries out the preparation of composite, and resulting materials equally show the performance basically identical with embodiment 1,
Under the conditions of 5mv/s, specific capacitance is average up to 70-80F/g.
Exemplary description has been done to the present invention above, it should explanation, in the situation for the core for not departing from the present invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent substitution of creative work equal
Fall into protection scope of the present invention.
Claims (10)
- A kind of 1. method for preparing graphene-tin dioxide composite material, it is characterised in that carry out as steps described below：Use The dispersed graphene oxide of solvent, and addition stannous chloride and neopelex are reacted into system；Reaction After the product obtained afterwards is dried, calcine in an inert atmosphere, obtain graphene-tin dioxide composite material；Wherein：Calcination time For 4-6 hours, calcining heat was 500-600 degrees Celsius, and reaction temperature is 20-25 degrees Celsius of room temperature, or 30-80 Celsius Degree, reaction time are 2-12 hours, and the dosage of graphene oxide is 0.3-0.5 mass parts, and stannous chloride dosage is 1-1.5 Mass parts, neopelex dosage are 0.4-0.6 mass parts, and solvent load is 150-200 parts by volume, 1 mass parts For 1g, 1 parts by volume is 1ml.
- 2. a kind of method for preparing graphene-tin dioxide composite material according to claim 1, it is characterised in that forge It is 5-6 hours to burn the time, and calcining heat is 550-600 degrees Celsius.
- 3. a kind of method for preparing graphene-tin dioxide composite material according to claim 1, it is characterised in that make It is water, ethanol, tetrahydrofuran, methanol, ethylene glycol, dimethylformamide or methyl pyrrolidone with solvent.
- A kind of 4. method for preparing graphene-tin dioxide composite material according to claim 1, it is characterised in that Given in solvent in addition graphene oxide, stannous chloride and neopelex and course of reaction using stirring or ultrasound To be uniformly dispersed, mixing speed is 150-200 turns/min, and ultrasonic power is 200-500w.
- 5. a kind of method for preparing graphene-tin dioxide composite material according to claim 1, it is characterised in that anti- It is 10-12 hours between seasonable.
- 6. a kind of method for preparing graphene-tin dioxide composite material according to claim 1, it is characterised in that lazy Property atmosphere is nitrogen, argon gas or helium.
- 7. the application of graphene-tin dioxide composite material prepared by the method as described in claim 1 in terms of energy storage, it is special Sign is, under the conditions of 5mv/s, specific capacitance is average up to 70-80F/g.
- 8. application of the graphene-tin dioxide composite material according to claim 7 in terms of energy storage, it is characterised in that In the spherical tin ash of the area load of graphene, particle diameter is in 8-12nm.
- 9. application of the graphene-tin dioxide composite material according to claim 7 in terms of energy storage, it is characterised in that Graphene-tin dioxide composite material is dispersed in a solvent, collector is immersed in solvent repeatedly and dried, with increase The load capacity of composite on a current collector, then immerse and solidification is taken out in electrolyte, by the collector of two panels load-type composite material It is assembled into capacitor.
- 10. application of the graphene-tin dioxide composite material according to claim 7 in terms of energy storage, it is characterised in that Collector is nickel foam, foam copper, foamed aluminium or carbon cloth；Electrolyte is the aqueous solution of polyvinyl alcohol and electrolyte, polyethylene The ratio of the dosage (quality, g) of alcohol and the dosage (amount of material, mol) of electrolyte is 100：(1-5), electrolyte are potassium hydroxide Or sodium hydroxide or potassium chloride or lithium chloride, the number-average molecular weight of preferable polyvinyl alcohol is 16000-20000.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470882A (en) * | 2018-03-30 | 2018-08-31 | 江汉大学 | Tin oxide is modified carbon cloth base lithium and sodium metal negative electrode and preparation method thereof |
| CN108565410A (en) * | 2018-02-09 | 2018-09-21 | 中南大学 | Lithium ion battery stannic oxide/graphene composite negative pole and preparation method thereof |
| CN108598428A (en) * | 2018-04-26 | 2018-09-28 | 东华大学 | A kind of graphene/stannic oxide alternating layers stack composite fibre and its preparation method and application |
| CN109142627A (en) * | 2018-08-01 | 2019-01-04 | 济南大学 | A kind of preparation method of three-dimensional hierarchical structure graphene composite tin oxide nanosheet gas-sensitive material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255072A (en) * | 2010-05-17 | 2011-11-23 | 国家纳米科学中心 | Preparation method of stannic oxide or metallic tin and grapheme lamella composite material |
| CN103035916A (en) * | 2012-11-28 | 2013-04-10 | 华中科技大学 | Preparation method of nano tin dioxide-graphene composite material and product thereof |
| CN103441254A (en) * | 2013-09-03 | 2013-12-11 | 青岛科技大学 | Preparation method of graphene-supported stannic oxide quantum dot negative electrode material for lithium ion battery |
| KR20160033449A (en) * | 2014-09-18 | 2016-03-28 | 삼성전기주식회사 | Capacitor Using Permanent Magnet and Energy Storage Device Including the Same |
-
2016
- 2016-07-25 CN CN201610608351.XA patent/CN107658148A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255072A (en) * | 2010-05-17 | 2011-11-23 | 国家纳米科学中心 | Preparation method of stannic oxide or metallic tin and grapheme lamella composite material |
| CN103035916A (en) * | 2012-11-28 | 2013-04-10 | 华中科技大学 | Preparation method of nano tin dioxide-graphene composite material and product thereof |
| CN103441254A (en) * | 2013-09-03 | 2013-12-11 | 青岛科技大学 | Preparation method of graphene-supported stannic oxide quantum dot negative electrode material for lithium ion battery |
| KR20160033449A (en) * | 2014-09-18 | 2016-03-28 | 삼성전기주식회사 | Capacitor Using Permanent Magnet and Energy Storage Device Including the Same |
Non-Patent Citations (1)
| Title |
|---|
| FENGHUA LI: "One-step synthesis of graphene/SnO2 nanocomposites and its application in supercapacitors", 《NANOTECHNOLOGY》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565410A (en) * | 2018-02-09 | 2018-09-21 | 中南大学 | Lithium ion battery stannic oxide/graphene composite negative pole and preparation method thereof |
| CN108565410B (en) * | 2018-02-09 | 2020-09-15 | 中南大学 | Tin dioxide/graphene composite negative electrode material of lithium ion battery and preparation method thereof |
| CN108470882A (en) * | 2018-03-30 | 2018-08-31 | 江汉大学 | Tin oxide is modified carbon cloth base lithium and sodium metal negative electrode and preparation method thereof |
| CN108598428A (en) * | 2018-04-26 | 2018-09-28 | 东华大学 | A kind of graphene/stannic oxide alternating layers stack composite fibre and its preparation method and application |
| CN109142627A (en) * | 2018-08-01 | 2019-01-04 | 济南大学 | A kind of preparation method of three-dimensional hierarchical structure graphene composite tin oxide nanosheet gas-sensitive material |
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