CN102581295A - Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene - Google Patents
Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene Download PDFInfo
- Publication number
- CN102581295A CN102581295A CN2012100059665A CN201210005966A CN102581295A CN 102581295 A CN102581295 A CN 102581295A CN 2012100059665 A CN2012100059665 A CN 2012100059665A CN 201210005966 A CN201210005966 A CN 201210005966A CN 102581295 A CN102581295 A CN 102581295A
- Authority
- CN
- China
- Prior art keywords
- graphene
- mixture
- distilled water
- phase reduction
- body material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a method of using a liquid-phase reduction method to prepare nano copper powder loaded graphene, which solves the problems of complexity and high cost of existing graphene preparation methods. The method includes: taking graphite, adding concentrated sulphuric acid and mixing to obtain a mixture A; adding potassium permanganate, bathing in water, adding distilled water for diluting, adding hydrogen peroxide solution and diluted hydrochloric acid, cooling to the room temperature, leaching to obtain solid, adding distilled water to the solid, and placing in a semipermeable membrane for dialyzing until neutral to obtain sol; adding distilled water into the sol, adding copper sulfate pentahydrate, ultrasonically mixing, sequentially adding hydrazine hydrate solution and NaOH solution, mixing, centrifuging to obtain the product, washing and drying to obtain the nano copper powder loaded graphene. The method is simple and low in cost, no surface dressing agent is needed, and metal particles on the surface of graphene are uniform in distribution and stable in chemical performance.
Description
Technical field
The present invention relates to a kind of method of utilizing liquid phase reduction to prepare graphene-supported copper nanoparticle body material.
Background technology
Graphene is a kind of by sp
2The cellular two-dimentional carbonaceous new material of periodicity that the carbon atom of hydridization forms with hexagonal array, its thickness has only 0.335nm, since finding, has got most of the attention.Graphene all has great application prospect owing to have unique characteristics such as calorifics, mechanics, electricity and bio-compatible in the summary of the invention of electron transport device, electrode capacitance device, sensor and prepare composite.The carrier mobility of Graphene is ten times of common silicon chip under the room temperature, receives the influence of temperature and doping effect very little, shows the ballistic transport characteristic of room temperature submicron-scale.This is that Graphene is as the most outstanding advantage of nano electron device.Itself has higher specific surface area Graphene; If metallic particles has higher dispersiveness equally simultaneously; Just make this composite that very high electric conductivity is arranged; Can be applied in the nanoelectronic instrument, aspects such as fuel cell and magnetic recording, and convenient, metal/graphite alkene composite material and preparation method thereof becomes the pursuit of research work cheaply.
The method that prepare at present Graphene has a lot, and like mechanical stripping method, chemical vapour deposition technique, oxidation-reduction method etc., wherein the common crystal mass of Graphene for preparing of mechanical stripping method is very good, but size is too little and yield poorly; Vapour deposition process can satisfy the requirement of scale preparation high-quality Graphene, but cost is too high, complex process, and these have all limited the commercialized development of material.
Summary of the invention
The present invention will solve existing graphene preparation method complicacy, and the problem that cost is high provides liquid phase reduction to prepare the method for graphene-supported copper nanoparticle body material.
Liquid phase reduction of the present invention prepares the method for graphene-supported copper nanoparticle body material, carries out according to the following steps: one, get graphite, the adding mass concentration is 98% the concentrated sulfuric acid, stirs 30～50min down at 0～4 ℃, gets mixture A; Two, under 0～4 ℃ of condition, in mixture A, add potassium permanganate, stir 2～3h, get mixture B; Three, mixture B is put into 33～36 ℃ of water-bath 10～12h, add distilled water diluting again, the volume ratio of mixture B and distilled water is 1: 5～7; Add the hydrogenperoxide steam generator of mass concentration 30% and the watery hydrochloric acid of mass concentration 5% then; Suction filtration behind the cool to room temperature gets solid, and in solid, adding distilled water to mass fraction of solids again is 0.7%～1.0%; Put into the pellicle dialysis then and handle, obtain colloidal sol until neutrality; Four, in colloidal sol, adding distilled water diluting to collosol concentration is 0.01g/mL, adds the CuSO of 0.1mol/L in the colloidal sol after dilution
45H
2O solution; Ultrasonic mixing 30～60min; Add the hydrazine hydrate solution of mass concentration 80% and the NaOH solution of 0.5mol/L then successively, stir 1～2h, centrifugal then acquisition product with 300r/min afterwards; Product is washed the back in 40～50 ℃ of vacuum drying 24h with distilled water, promptly obtain graphene-supported copper nanoparticle body material; Wherein the ratio of graphite and the concentrated sulfuric acid is 1g: 40～45mL in the step 1; The mass ratio of graphite and potassium permanganate is 1: 8～9; The volume ratio of mixture B and hydrogenperoxide steam generator is 2.5～3: 1 in the step 3, and the volume ratio of mixture B and watery hydrochloric acid is 2.5～3: 1; Colloidal sol and CuSO in the step 4 after the dilution
45H
2The volume ratio of O solution is 2: 1, and the volume ratio of colloidal sol after the dilution and NaOH solution is 2: 1, and the colloidal sol after the dilution and the volume ratio of hydrazine hydrate solution are 10～11: 1.
Advantage of the present invention:
1, the present invention uses oxidizing process to prepare graphene oxide; Again Graphene and copper ion are mixed to be reduced simultaneously and obtain the copper nanoparticle graphene composite material; Method is simple, quick, need not add any coating material, and Graphene surface metal distribution of particles is even, stable chemical performance.
2, the cost of the inventive method is low, and raw materials used is natural flaky graphite, cheap.
3, be reducing agent with the hydrazine hydrate among the present invention, hydrazine hydrate produces the oxidation that nitrogen can effectively stop nanometer copper in course of reaction, and produced simultaneously water is to not influence of reaction;
4, the Graphene crossed of oxidation processes in reaction be dressing agent also be template simultaneously; The lip-deep oxy radical of graphene film provides the binding site of a large amount of connection metallic coppers, simultaneously, its effectively with the size Control of copper nano-particle about 50nm, Graphene surface uniformly can distribute; Between Graphene and metallic copper for chemical bond is connected, stable chemical performance.
Description of drawings
Fig. 1 is the stereoscan photograph of the graphene-supported copper nanoparticle body material of the specific embodiment eight preparations.
The specific embodiment
Technical scheme of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: this embodiment liquid phase reduction prepares the method for graphene-supported copper nanoparticle body material; Carry out according to the following steps: one, get graphite; The adding mass concentration is 98% the concentrated sulfuric acid, stirs 30～50min down at 0～4 ℃, gets mixture A; Two, under 0～4 ℃ of condition, in mixture A, add potassium permanganate, stir 2～3h, get mixture B; Three, mixture B is put into 33～36 ℃ of water-bath 10～12h, add distilled water diluting again, the volume ratio of mixture B and distilled water is 1: 5～7; Add the hydrogenperoxide steam generator of mass concentration 30% and the watery hydrochloric acid of mass concentration 5% then; Suction filtration behind the cool to room temperature gets solid, and in solid, adding distilled water to mass fraction of solids again is 0.7%～1.0%; Put into the pellicle dialysis then and handle, obtain colloidal sol until neutrality; Four, in colloidal sol, adding distilled water diluting to collosol concentration is 0.01g/mL, adds the CuSO of 0.1mol/L in the colloidal sol after dilution
45H
2O solution; Ultrasonic mixing 30～60min; Add the hydrazine hydrate solution of mass concentration 80% and the NaOH solution of 0.5mol/L then successively, stir 1～2h, centrifugal then acquisition product with 300r/min afterwards; Product is washed the back in 40～50 ℃ of vacuum drying 24h with distilled water, promptly obtain graphene-supported copper nanoparticle body material; Wherein the ratio of graphite and the concentrated sulfuric acid is 1g: 40～45mL in the step 1; The mass ratio of graphite and potassium permanganate is 1: 8～9; The volume ratio of mixture B and hydrogenperoxide steam generator is 2.5～3: 1 in the step 3, and the volume ratio of mixture B and watery hydrochloric acid is 2.5～3: 1; Colloidal sol and CuSO in the step 4 after the dilution
45H
2The volume ratio of O solution is 2: 1, and the volume ratio of colloidal sol after the dilution and NaOH solution is 2: 1, and the colloidal sol after the dilution and the volume ratio of hydrazine hydrate solution are 10～11: 1.
The specific embodiment two: what this embodiment and the specific embodiment one were different is: graphite described in the step 1 is natural flaky graphite.Other is identical with the specific embodiment one.
The specific embodiment three: what this embodiment was different with the specific embodiment one or two is: graphite is 1g: 42～43mL with the ratio of the concentrated sulfuric acid in the step 1.Other is identical with the specific embodiment one or two.
The specific embodiment four: what this embodiment was different with one of specific embodiment one to three is: in the step 3 mixture B is put into 34 ℃ of water-bath 11h.Other is identical with one of specific embodiment one to three.
The specific embodiment five: what this embodiment was different with one of specific embodiment one to four is: the volume ratio of mixture B and distilled water is 1: 6 in the step 3.Other is identical with one of specific embodiment one to four.
The specific embodiment six: what this embodiment was different with one of specific embodiment one to five is: in solid, adding distilled water to mass fraction of solids in the step 3 is 0.8%～0.9%.Other is identical with one of specific embodiment one to five.
The specific embodiment seven: what this embodiment was different with one of specific embodiment one to six is: the colloidal sol in the step 4 after the dilution and the volume ratio of hydrazine hydrate solution are 10: 1.Other is identical with one of specific embodiment one to six.
The specific embodiment eight: this embodiment liquid phase reduction prepares the method for graphene-supported copper nanoparticle body material; Carry out according to the following steps: one, get the natural flaky graphite of 1.2g; Adding 50mL mass concentration is 98% the concentrated sulfuric acid, stirs 30min down at 0 ℃, gets mixture A; Two, under 0 ℃ of condition, in mixture A, add 10g potassium permanganate, stir 2h, get mixture B; Three, mixture B is put into 35 ℃ of water-bath 10h; Add the 300mL distilled water diluting again, add the hydrogenperoxide steam generator of 20mL mass concentration 30% and the watery hydrochloric acid of 20mL mass concentration 5% then, suction filtration behind the cool to room temperature; Get solid; In solid, add the 200mL dissolved in distilled water again, put into the pellicle dialysis then and handle, obtain colloidal sol until neutrality; Four, in colloidal sol, adding distilled water diluting to collosol concentration is 0.01g/mL, adds the CuSO of 50mL 0.1mol/L in the colloidal sol after the 100mL dilution
45H
2O solution; Ultrasonic mixing 30min; Add the hydrazine hydrate solution of 10g mass concentration 80% and the NaOH solution of 50mL 0.5mol/L then successively, stir 1h, centrifugal then acquisition product with 300r/min afterwards; Product is washed the back in 40 ℃ of vacuum drying 24h with distilled water, promptly obtain graphene-supported copper nanoparticle body material.
The stereoscan photograph of the graphene-supported copper nanoparticle body material of this embodiment preparation is as shown in Figure 1.This embodiment method is simple, quick, need not add any coating material, and Graphene surface metal distribution of particles is even, stable chemical performance.The size Control of copper nano-particle is about 50nm, and Graphene surface uniformly can distribute.
Claims (7)
1. liquid phase reduction prepares the method for graphene-supported copper nanoparticle body material; It is characterized in that liquid phase reduction prepares the method for graphene-supported copper nanoparticle body material; Carry out according to the following steps: one, get graphite; The adding mass concentration is 98% the concentrated sulfuric acid, stirs 30～50min down at 0～4 ℃, gets mixture A; Two, under 0～4 ℃ of condition, in mixture A, add potassium permanganate, stir 2～3h, get mixture B; Three, mixture B is put into 33～36 ℃ of water-bath 10～12h, add distilled water diluting again, the volume ratio of mixture B and distilled water is 1: 5～7; Add the hydrogenperoxide steam generator of mass concentration 30% and the watery hydrochloric acid of mass concentration 5% then; Suction filtration behind the cool to room temperature gets solid, and in solid, adding distilled water to mass fraction of solids again is 0.7%～1.0%; Put into the pellicle dialysis then and handle, obtain colloidal sol until neutrality; Four, in colloidal sol, adding distilled water diluting to collosol concentration is 0.01g/mL, adds the CuSO of 0.1mol/L in the colloidal sol after dilution
45H
2O solution; Ultrasonic mixing 30～60min; Add the hydrazine hydrate solution of mass concentration 80% and the NaOH solution of 0.5mol/L then successively, stir 1～2h, centrifugal then acquisition product with 300r/min afterwards; Product is washed the back in 40～50 ℃ of vacuum drying 24h with distilled water, promptly obtain graphene-supported copper nanoparticle body material; Wherein the ratio of graphite and the concentrated sulfuric acid is 1g: 40～45mL in the step 1; The mass ratio of graphite and potassium permanganate is 1: 8～9; The volume ratio of mixture B and hydrogenperoxide steam generator is 2.5～3: 1 in the step 3, and the volume ratio of mixture B and watery hydrochloric acid is 2.5～3: 1; Colloidal sol and CuSO in the step 4 after the dilution
45H
2The volume ratio of O solution is 2: 1, and the volume ratio of colloidal sol after the dilution and NaOH solution is 2: 1, and the colloidal sol after the dilution and the volume ratio of hydrazine hydrate solution are 10～11: 1.
2. liquid phase reduction according to claim 1 prepares the method for graphene-supported copper nanoparticle body material, it is characterized in that graphite described in the step 1 is natural flaky graphite.
3. liquid phase reduction according to claim 1 and 2 prepares the method for graphene-supported copper nanoparticle body material, it is characterized in that the ratio of graphite and the concentrated sulfuric acid is 1g: 42～43mL in the step 1.
4. liquid phase reduction according to claim 3 prepares the method for graphene-supported copper nanoparticle body material, it is characterized in that in the step 3 mixture B being put into 34 ℃ of water-bath 11h.
5. liquid phase reduction according to claim 4 prepares the method for graphene-supported copper nanoparticle body material, it is characterized in that the volume ratio of mixture B and distilled water is 1: 6 in the step 3.
6. liquid phase reduction according to claim 5 prepares the method for graphene-supported copper nanoparticle body material, it is characterized in that in solid, adding distilled water to mass fraction of solids in the step 3 is 0.8%～0.9%.
7. liquid phase reduction according to claim 6 prepares the method for graphene-supported copper nanoparticle body material, and the colloidal sol after it is characterized in that diluting in the step 4 and the volume ratio of hydrazine hydrate solution are 10: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100059665A CN102581295A (en) | 2012-01-10 | 2012-01-10 | Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100059665A CN102581295A (en) | 2012-01-10 | 2012-01-10 | Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102581295A true CN102581295A (en) | 2012-07-18 |
Family
ID=46470837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100059665A Pending CN102581295A (en) | 2012-01-10 | 2012-01-10 | Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102581295A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872848A (en) * | 2012-10-17 | 2013-01-16 | 东南大学 | Preparation method for adsorption enhanced graphene titanium dioxide nano-composite photocatalyst |
| CN103044915A (en) * | 2013-01-17 | 2013-04-17 | 黑龙江大学 | Preparation method of polyaniline/graphene/nano nickel composite material |
| CN103157809A (en) * | 2013-02-05 | 2013-06-19 | 西南科技大学 | Preparation method of graphene/metal nanoparticle composite material with sandwich structure |
| CN103193978A (en) * | 2013-04-24 | 2013-07-10 | 黑龙江大学 | Preparation method for polyaniline/graphene/nano-copper composite material |
| CN103466611A (en) * | 2013-09-29 | 2013-12-25 | 黑龙江大学 | Method for preparing graphene load nano silver-nickel alloy composite powder materials |
| CN103787328A (en) * | 2014-03-11 | 2014-05-14 | 华南师范大学 | Modified grapheme preparation method |
| CN103817336A (en) * | 2014-02-20 | 2014-05-28 | 中国科学院深圳先进技术研究院 | Preparation method of graphene oxide composite and preparation method of graphene composite |
| CN104530653A (en) * | 2014-12-26 | 2015-04-22 | 黑龙江大学 | Preparation method of epoxy resin/graphene/nano copper composite material |
| CN106565884A (en) * | 2016-10-19 | 2017-04-19 | 黑龙江大学 | Preparing method for polystyrene microsphere loaded nano-copper composite material |
| CN107814507A (en) * | 2017-10-25 | 2018-03-20 | 江阴润泽纳米新材料科技有限公司 | A kind of graphene-based heat-conductive composite material and preparation method and application |
| CN108751176A (en) * | 2018-06-05 | 2018-11-06 | 沈阳建筑大学 | A kind of preparation method of plating copper nano-particle graphene composite material |
| CN112772676A (en) * | 2020-12-24 | 2021-05-11 | 安徽同益净化科技有限公司 | Preparation method and application of Cu-rGO nano composite antibacterial material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346136B1 (en) * | 2000-03-31 | 2002-02-12 | Ping Chen | Process for forming metal nanoparticles and fibers |
| CN102174702A (en) * | 2011-01-11 | 2011-09-07 | 湖南大学 | Preparation method for metallic nano-particle and graphene composite |
| CN102172500A (en) * | 2011-02-15 | 2011-09-07 | 江苏大学 | Preparation method for synthesizing graphene/copper composite nanomaterial at one step |
| CN102179172A (en) * | 2011-04-25 | 2011-09-14 | 同济大学 | Method for separating graphene oxide based on electrophoresis principle |
| CN102275896A (en) * | 2011-05-30 | 2011-12-14 | 无锡第六元素高科技发展有限公司 | Intercalation method for preparing graphite oxide |
-
2012
- 2012-01-10 CN CN2012100059665A patent/CN102581295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346136B1 (en) * | 2000-03-31 | 2002-02-12 | Ping Chen | Process for forming metal nanoparticles and fibers |
| CN102174702A (en) * | 2011-01-11 | 2011-09-07 | 湖南大学 | Preparation method for metallic nano-particle and graphene composite |
| CN102172500A (en) * | 2011-02-15 | 2011-09-07 | 江苏大学 | Preparation method for synthesizing graphene/copper composite nanomaterial at one step |
| CN102179172A (en) * | 2011-04-25 | 2011-09-14 | 同济大学 | Method for separating graphene oxide based on electrophoresis principle |
| CN102275896A (en) * | 2011-05-30 | 2011-12-14 | 无锡第六元素高科技发展有限公司 | Intercalation method for preparing graphite oxide |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872848A (en) * | 2012-10-17 | 2013-01-16 | 东南大学 | Preparation method for adsorption enhanced graphene titanium dioxide nano-composite photocatalyst |
| CN103044915A (en) * | 2013-01-17 | 2013-04-17 | 黑龙江大学 | Preparation method of polyaniline/graphene/nano nickel composite material |
| CN103044915B (en) * | 2013-01-17 | 2014-12-17 | 黑龙江大学 | Preparation method of polyaniline/graphene/nano nickel composite material |
| CN103157809B (en) * | 2013-02-05 | 2015-08-19 | 西南科技大学 | There is the preparation method of sandwich structure Graphene/metal nano particle composite material |
| CN103157809A (en) * | 2013-02-05 | 2013-06-19 | 西南科技大学 | Preparation method of graphene/metal nanoparticle composite material with sandwich structure |
| CN103193978A (en) * | 2013-04-24 | 2013-07-10 | 黑龙江大学 | Preparation method for polyaniline/graphene/nano-copper composite material |
| CN103193978B (en) * | 2013-04-24 | 2015-07-08 | 黑龙江大学 | Preparation method for polyaniline/graphene/nano-copper composite material |
| CN103466611A (en) * | 2013-09-29 | 2013-12-25 | 黑龙江大学 | Method for preparing graphene load nano silver-nickel alloy composite powder materials |
| CN103817336A (en) * | 2014-02-20 | 2014-05-28 | 中国科学院深圳先进技术研究院 | Preparation method of graphene oxide composite and preparation method of graphene composite |
| CN103817336B (en) * | 2014-02-20 | 2016-01-13 | 中国科学院深圳先进技术研究院 | The preparation method of graphene oxide composite material, the preparation method of graphene composite material |
| CN103787328B (en) * | 2014-03-11 | 2016-01-13 | 华南师范大学 | A kind of preparation method of modified graphene |
| CN103787328A (en) * | 2014-03-11 | 2014-05-14 | 华南师范大学 | Modified grapheme preparation method |
| CN104530653A (en) * | 2014-12-26 | 2015-04-22 | 黑龙江大学 | Preparation method of epoxy resin/graphene/nano copper composite material |
| CN106565884A (en) * | 2016-10-19 | 2017-04-19 | 黑龙江大学 | Preparing method for polystyrene microsphere loaded nano-copper composite material |
| CN107814507A (en) * | 2017-10-25 | 2018-03-20 | 江阴润泽纳米新材料科技有限公司 | A kind of graphene-based heat-conductive composite material and preparation method and application |
| CN108751176A (en) * | 2018-06-05 | 2018-11-06 | 沈阳建筑大学 | A kind of preparation method of plating copper nano-particle graphene composite material |
| CN112772676A (en) * | 2020-12-24 | 2021-05-11 | 安徽同益净化科技有限公司 | Preparation method and application of Cu-rGO nano composite antibacterial material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581295A (en) | Method of using liquid-phase reduction method to prepare nano copper powder loaded graphene | |
| CN104916826B (en) | A kind of graphene coated silicium cathode material and preparation method thereof | |
| Wang et al. | MoS2/graphene composites as promising materials for energy storage and conversion applications | |
| Wang et al. | Phase transformation guided single-layer β-Co (OH) 2 nanosheets for pseudocapacitive electrodes | |
| CN105883781B (en) | A kind of preparation method of large area redox graphene film | |
| CN104150471B (en) | A kind of method of redox graphene | |
| CN104401980B (en) | Fe2o3-SnO2the hydrothermal preparing process of/Graphene tri compound nano material | |
| CN102321254A (en) | Preparation method for high-concentration graphene-polyaniline nanofiber composite dispersion liquid and high-concentration graphene-polyaniline nanofiber composite film | |
| CN103456969B (en) | Preparation method of Pt-Co/C-single-layer graphene for fuel cell | |
| CN102730676B (en) | Method for preparing graphene | |
| CN102001651B (en) | Method for preparing graphene based on hydroxylamine reduction | |
| CN103399064B (en) | A kind of graphene oxide/brucite/Nafion laminated film modified electrode and preparation method thereof | |
| CN105583408A (en) | Preparation method and application of Cu nanowire-reduced graphene oxide three-dimensional porous film | |
| WO2012145911A1 (en) | Method for preparing graphene | |
| CN102581297A (en) | Method for preparing controllable green synthetic metallic nano-materials based on graphene oxide | |
| CN104174422A (en) | High nitrogen doped graphene and fullerene-like molybdenum selenide hollow-ball nanocomposite and preparation method thereof | |
| CN102709057A (en) | Method for preparing composite of grapheme with different oxidation degrees and manganese dioxide | |
| CN106587035A (en) | Eco-friendly safe reducing agent-based graphene and its preparation and application | |
| CN106115675A (en) | A kind of method preparing mesoporous Graphene | |
| CN103570004A (en) | Simple large-scale preparation and functionalization method of graphene | |
| CN102496481A (en) | Graphene/polypyrrole nanotube composite material, super capacitor with graphene/polypyrrole nanotube composite material as electrode, and methods for preparing graphene/polypyrrole nanotube composite material and super capacitor | |
| CN103332689A (en) | Preparation method and application of porous graphene nano band | |
| CN104150469A (en) | Method capable of preparing few-layer graphene powder in batches | |
| CN103395778B (en) | In-plane mesh structure graphene and preparation method thereof | |
| CN105789628B (en) | A kind of azepine graphene and manganese dioxide hybrid aerogel and its preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |