CN103143369A - Preparation of grapheme platinum/ copper nano grain multi-level nano structure material and application thereof - Google Patents
Preparation of grapheme platinum/ copper nano grain multi-level nano structure material and application thereof Download PDFInfo
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- CN103143369A CN103143369A CN2012105836190A CN201210583619A CN103143369A CN 103143369 A CN103143369 A CN 103143369A CN 2012105836190 A CN2012105836190 A CN 2012105836190A CN 201210583619 A CN201210583619 A CN 201210583619A CN 103143369 A CN103143369 A CN 103143369A
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Abstract
Disclosed are a preparation of grapheme platinum/ copper nano grain multi-level nano structure material and application of the grapheme platinum/ copper nano grain multi-level nano structure material in electro-catalysis oxidation. A method of the grapheme platinum/ copper nano grain multi-level nano structure material is prepared. The method is simple, easy and environment-friendly. The electrode modified by the prepared grapheme platinum/ copper nano grain multi-level nano structure of the method has good performance of electro-catalysis oxidation methyl alcohol.
Description
Technical field:
The present invention relates to a kind of multi-level nano-structure Graphene-platinum/copper nano-particle composite manufacture and the application in Electrocatalytic Oxidation of Methanol.
Background technology:
Advantages such as DMFC (DMFC) is abundant with its fuel source, it is convenient, simple in structure to store, handling safety, continued power time are grown and day by day be subject to extensive concern, expectation will be with a wide range of applications in fields such as small household appliance, notebook computer, mobile phone and military mobility instruments.At present, there are two key issues to be worth special concern in DMFC (DMFC) basic research, and need to be resolved hurrily.The one, under low temperature, the electrocatalysis oxidation reaction activity of methyl alcohol on anode is lower, and serious polarization need to overcome the higher certain reaction rate of polarization potential guarantee; The 2nd, it is serious to the negative electrode phenomenon of osmosis that methyl alcohol sees through the Nation film.If it is active to improve anode catalyst, methyl alcohol can be consumed fast, not only is conducive to improve the utilization rate of methyl alcohol, and can reduce the methanol concentration between anode and electrolyte interface, reduces osmotic pressure, thereby reduces methanol crossover to the impact of battery performance.Usually, the requirement of high-performance electric electrode catalyst mainly contained following feature: (1) electro catalytic activity is high, and anti-poisoning capability is strong; (2) conduct electricity very well in electrolyte solution; (3) physical property and chemical property are all stable.
Graphene is a kind of by the former molecular two-dimentional new carbon of monolayer carbon, has the super large conjugated structure that is similar to intensive honeycomb.Utilized first mechanical stripping to obtain that Graphene just has been subject to paying close attention to widely after the high-purity single-layer graphene since 2004.Graphene has very large specific area, high conductivity, and very strong mechanical strength is applied to synthesizing nano compound material widely based on these character Graphenes of Graphene, the manufacturing chemistry biology sensor, and some other electrochemistry original paper etc.
The composite of Graphene also is widely used in the modification of various catalyst, to improve its catalytic performance.Research is true proves that also the existence of Graphene has also well improved the catalytic performance of all kinds of catalysis really.
Summary of the invention:
Some problems for present methanol oxidation catalyst existence, the present invention designs and has prepared the new catalyst that a kind of Graphene-platinum/copper nano-particle composite is used as catalytic oxidation methyl alcohol, and a step electrodeposition process simultaneously used in the present invention is also simple with respect to some other preparation method.The electro-catalysis test result shows that this novel catalyst has very superior catalytic performance.
One of the object of the invention is to provide a kind of Graphene-platinum/copper nano-particle composite.
Two of the object of the invention is, the application of the composite of above-mentioned Graphene-platinum/copper nano-particle multi-level nano-structure is provided.
Three of purpose of the present invention is, the method for a kind of simple synthesizing graphite alkene-platinum/copper nano-particle composite is provided.
A kind of Graphene-platinum/copper nano-particle composite is done on pure pure titanium sheet in glass-carbon electrode or the process surface treatment of economy-combat milled, forms to have the irregular multi-stage superimposed graphene sheet layer of three-dimensional structure, and the part graphene sheet layer has perk; The alloy nano particle of platinum and copper is compounded on graphene sheet layer.
Described composite is to be composited through the cyclic voltammetric electro-deposition by Graphene and platinum and copper nano-particle.
The metal nanoparticle diameter is for being about 80～120nm.
A kind of Graphene-platinum of the present invention/copper nano-particle composite manufacture method is, composite is by Graphene, and the alloy nano particle of platinum and copper is to be composited through the cyclic voltammetric electro-deposition.The process of described cyclic voltammetric electro-deposition is: the reduction potential that reaches at first successively platinum and copper at electric depositing solution voltage, this moment, at first metal nanoparticle deposited, current potential can reach the reduction potential of graphene oxide when continuing to change, make graphene oxide to be reduced at electrode surface, and depositing electrode is surperficial, by this circulation, thereby make the graphene oxide of metal nanoparticle and reduction can deposit to simultaneously electrode surface and interact.Repeat above-mentioned electro-deposition operation; Obtain target material of the present invention after several circulations.Described electric depositing solution is the mixed solution that contains graphene oxide and platinum and copper presoma.
To pass into the dissolved oxygen of nitrogen in removing solution before carrying out cyclic voltammetric electro-deposition operation.
Described cyclic voltammetric electro-deposition is with process Al
2O
3The glass-carbon electrode that powder was polished or surface treated pure titanium sheet are working electrode, take Pt electrode or Pd electrode as to electrode, and saturated calomel electrode (SCE) or Ag/AgCl electrode reference electrode.
In described mixed solution, the concentration of graphene oxide is 0.2-0.4g/L; Nano platinum particle and copper nano-particle precursor concentration are respectively 0.5-3mmol/L and 0.1-1mmol/L.
The potential range of cyclic voltammetric electro-deposition is-1.4～-0.6V.
The electrode that Graphene-platinum of the present invention/copper nano-particle composite can be modified is used for Electrocatalytic Oxidation of Methanol.
The present invention preferably is used for modified glassy carbon electrode as the working electrode Electrocatalytic Oxidation of Methanol with described composite.
The present invention interacts at a kind of novel multi-level nano-structure of electrode surface deposition formation by the graphene oxide of electrochemical reduction and the alloy nano particle of copper and platinum.
The method for preparing Graphene-platinum/copper multi-level nano-structure: with scattered graphene oxide solution, the presoma of platinum and copper is made into mixed solution and will passes into High Purity Nitrogen 20-40min before the electro-deposition operation, and conductive substrates (has been used Al before
2O
3The treated clean pure titanium sheet in the glass-carbon electrode that powder is polished or surface) as working electrode; reference electrode; electrode is placed in the mixed solution for preparing by three-electrode system respectively; passing under the condition that nitrogen protection and magnetic stirrer stir, the mode of utilizing electro-deposition obtains our needed nano composite material with the alloy nano particle electro-deposition of Graphene and metallic copper and platinum to basal electrode.
Instrument is electrochemical workstation and magnetic stirrer, and selected electro-deposition mode is cyclic voltammetry.
The step of Graphene-platinum/copper nano-particle electro-deposition to the basal electrode surface comprised: stir and pass under the condition of nitrogen protection at magnetic stirrer; first use the cyclic voltammetry independent nominal price ion of platinum electrodeposition nano particle and copper nano-particle presoma successively; find platinum ion and the copper ion reduction potential in the cushioning liquid of this acid-base value, and then separately the electro deposition oxidation graphene solution same find out the reduction potential of graphene oxide in the cushioning liquid of this acid-base value.Then equally stir and the condition of nitrogen protection under the electro-deposition potential range of cyclic voltammetric is set in simultaneously in the potential range with three kinds of material electro-deposition reduction; use the cyclic voltammetry electro-deposition to prepare standby mixed solution one before and go on foot Graphene-platinum/copper nano-particle electro-deposition to selected basal electrode, obtain the structure of our needed composite.
Test nitrogen used: High Purity Nitrogen.
The presoma of platinum: H
2PtCl
6
The presoma of copper: EDTA-Cu.
Selecting of working electrode: use diameter to be 3mm glass-carbon electrode or pure titanium sheet.
Comparison electrode is selected Pt or Pd electrode.
Reference electrode is selected saturated calomel electrode (SCE) or Ag/AgCl electrode.
The detailed process of invention is as follows: working electrode (has been used Al before
2O
3The treated clean pure titanium sheet in the glass-carbon electrode that powder is polished or surface), reference electrode is assembled in the graphene oxide that has mixed, H according to three-electrode system to electrode
2PtCl
6With (having passed into nitrogen 30min processes) in the cushioning liquid of EDTA-Cu before, open magnetic stirrer.In the process of cyclic voltammetric electro-deposition, at first voltage reach the reduction potential of two kinds of metal nanoparticles, this moment, at first metal nanoparticle deposited, when continuing to change, current potential can reach the reduction potential of graphene oxide, at this time graphene oxide can be reduced at electrode surface, and deposit to electrode surface, the graphene oxide of metal nanoparticle and reduction can deposit to simultaneously electrode surface and interact and form different nanostructureds in this circulation.
The inventive method has simple to operate, environmental protection, and experimental implementation is advantage efficiently, the very outstanding anodic oxidation of methanol performance of glass-carbon electrode tool that Graphene-platinum that this method makes/copper multi-level nano-structure is modified.
Description of drawings:
Fig. 1 can see in the surface sweeping Electronic Speculum phenogram figure of Graphene-platinum/copper nano composite material that the graphene film layer segment rolls the formation multi-level nano-structure, and metal nanoparticle is compounded on graphene sheet layer, forms unordered multi-level nano-structure.The high-resolution-ration transmission electric-lens figure that the inserts lattice fringe of this nano particle as can be known only has a kind ofly, has the ion that obtains synthesizing to only have a kind of crystal formation, and namely nano particle is the alloy particle of monocrystalline.
Fig. 2 is the energy spectrum analysis figure of Graphene-platinum/copper nano composite material, forms us from element and can see and contain platinum and two kinds of metallic elements of copper (other nonmetalloids do not mark) this material.
Fig. 3 is the Raman spectrum analysis curve of this material, and a in figure, b are respectively the Raman spectrogram of Graphene-platinum/copper multi-level nano-structure composite and Graphene.Two obvious peaks are arranged, D peak (1296cm in figure
-1) and G peak (1588cm
-1) be respectively two characteristic peaks of Graphene in these two minutes, and obviously the characteristic peak than pure Graphene is strong by two characteristic peaks can finding out composite in figure, and this is to cause because the copper in composite has good Raman humidification.
Fig. 4 is that methyl alcohol is at H
2SO
4Catalytic oxidation effect curves in solution, a in figure, b, three curves of c are respectively Graphene-platinum/copper multi-level nano-structure composite; Graphene-platinum; The electro-catalysis cyclic voltammetry curve of the glass-carbon electrode that platinum is modified to methyl alcohol.Can find out that from curve the glass-carbon electrode that Graphene-platinum/copper multi-level nano-structure composite is modified has stronger electrocatalysis characteristic with respect to other bi-materials (Graphene-platinum, platinum), the oxidation peak value increase at double of electro-catalysis.
Fig. 5 is that three kinds of materials are Graphene-platinum/copper multi-level nano-structure composite; Graphene-platinum; The toxic research of glass-carbon electrode that platinum is modified.A in figure, b, three curves of c are respectively Graphene-platinum/copper multi-level nano-structure composite; Graphene-platinum; The chronoa mperometric plot of the glass-carbon electrode that platinum is modified to the electro-catalysis of methyl alcohol.Has better mithridatism by the glass-carbon electrode that can obtain Graphene-platinum/copper multi-level nano-structure composite modification in chronoa mperometric plot as shown in the figure.
Specific implementation method:
Graphene oxide solution preparation
Will be by the ultrasonic dispersion of the graphite oxide that the Hummers oxidizing process makes 3h in the phosphate buffer solution of pH=8, obtaining concentration after centrifugal is 0.2-0.4g/L graphene oxide solution.
2.H
2PtCl
6The preparation of solution
With H
2PtCl
66H
2It is pure that O(analyzes) be mixed with H
2PtCl
6Concentration is the solution for standby of 0.1M.
3.EDTA-Cu the preparation of solution
With the EDTA solution of 0.2M and the CuSO of 0.2M
4Be mixed to get the EDAT-Cu solution of we required 0.1M by 1:1
4. Graphene, H
2PtCl
6Prepare with the EDTA-Cu mixed solution
Measure and join by the first step graphene oxide solution 10mL that gets and measure respectively again 100 μ LH
2PtCl
6After fully mixing, solution and 50 μ LEDTA-Cu solution pass into High Purity Nitrogen 30min standby.
5. electro-deposition prepares Graphene-platinum/copper nano-particle composite
Glass-carbon electrode (or Ti sheet) is working electrode (all advanced processing is crossed), take the Pt electrode as to electrode, forms three-electrode system take saturated calomel electrode as reference electrode.Resulting mixed solution in the 3rd step is placed in small beaker as electrolyte, places three-electrode system, the parameter of cyclic voltammetric electro-deposition is set.The potential range that its parameter is respectively electro-deposition is :-1.4V～0.6V, sweep speed is 50mvS
-1The number of turns of circulation is 10.Open magnetic stirring apparatus, and pass into High Purity Nitrogen and begin electro-deposition.First return from-1.4V to 0.6V during voltage scanning-1.4V so circulates and completes the process of electro-deposition for 10 times.
6. the sign of composite
Resulting composite pattern is respectively as shown in the scanning electron microscope (SEM) photograph of Fig. 1.Fig. 2, Fig. 3 are respectively energy spectrum analysis and the Raman spectrum analysis of resulting materials.
7. the catalytic oxidation of the glass-carbon electrode modified of Graphene-platinum/copper nano-particle multi-level nano-structure to methyl alcohol
Preparation 1MH
2SO
4With the mixed solution of 1M methyl alcohol, operate the front in electro-catalysis and pass into the dissolved oxygen that High Purity Nitrogen 30min contains to remove solution.The glass-carbon electrode of modifying take Graphene-platinum/copper nano-particle multi-level nano-structure is as working electrode, take saturated calomel electrode as reference electrode, take platinum electrode as electrode is formed three-electrode system, take above-mentioned mixed solution as electrolyte, the methyl alcohol of catalytic oxidation solution.Select cyclic voltammetry, the potential range of electro-catalysis is 0～1.0V, and sweep speed is 50mV
-1The cyclic voltammetric oxidation curve that obtains as shown in Figure 4.This material is studied as shown in Figure 5 as the Poisoning of catalyst, adopts instant current method, and electrolyte used is the same with mentioned solution.
Claims (9)
1. Graphene-platinum/copper nano-particle composite, glass-carbon electrode or process surface treatment in the economy-combat milled are done on pure pure titanium sheet, formation has the irregular multi-stage superimposed graphene sheet layer of three-dimensional structure, each graphene sheet layer is not of uniform size, and different directions stack graphene sheet layer is arranged, and the part graphene sheet layer has perk; The alloy nano particle of platinum and copper is compounded on graphene sheet layer.
2. composite according to claim 1, is characterized in that, described composite is by Graphene, and the alloy nano particle of platinum and copper is composited through the cyclic voltammetric electro-deposition.
3. composite according to claim 1, is characterized in that, resulting diameter of nano particles is 80～120nm left and right.
4. Graphene-platinum/copper nano-particle composite manufacture method, is characterized in that, composite is by Graphene, and the alloy nano particle of platinum and copper is to be composited through the cyclic voltammetric electro-deposition; The process of described cyclic voltammetric electro-deposition is: the reduction potential that reaches at first successively platinum and copper at electric depositing solution voltage, form the alloy nano particle deposition of platinum and copper, current potential can reach the reduction potential of graphene oxide when continuing to change, make graphene oxide to be reduced at electrode surface, and depositing electrode is surperficial, by this circulation, thereby make the graphene oxide of metal nanoparticle and reduction can deposit to simultaneously electrode surface and interact; Repeat to obtain described composite after above-mentioned electro-deposition operates several circulations; Described electric depositing solution is the mixed solution that contains graphene oxide and platinum and copper presoma.
5. method according to claim 4, is characterized in that, will pass into the dissolved oxygen of nitrogen in removing solution before carrying out cyclic voltammetric electro-deposition behaviour.
6. method according to claim 4, is characterized in that, described cyclic voltammetric electro-deposition is with process Al
2O
3The glass-carbon electrode that powder was polished or surface treated pure titanium sheet are working electrode, take Pt electrode or Pd electrode as to electrode, and saturated calomel electrode or Ag/AgCl electrode reference electrode.
7. method according to claim 6, is characterized in that, in described mixed solution, the concentration of graphene oxide is 0.2-0.4g/L; Nano platinum particle and copper nano-particle precursor concentration are respectively 0.5～3mmol/L and 0.1～1mmol/L.
8. method according to claim 4, is characterized in that, the potential range of cyclic voltammetric electro-deposition is-1.4～-0.6V.
9. the application of the described a kind of Graphene-platinum of claim 1-8/copper nano-particle composite, is characterized in that, described composite is used for the modified electrode Electrocatalytic Oxidation of Methanol.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048640A (en) * | 2016-05-12 | 2016-10-26 | 山东大学 | Preparation method of graphite surface in-situ graphenized and Pt-supported electrocatalysis hydrogen evolution catalyst |
| CN106149026A (en) * | 2016-06-13 | 2016-11-23 | 天津宝兴威科技有限公司 | The preparation of a kind of Graphene/golden nanometer particle composite and characterizing method |
| CN106770567A (en) * | 2016-11-25 | 2017-05-31 | 江苏丰格测控技术有限公司 | A kind of Platinum Nanoparticles cobalt/porous gold/graphene composite material and preparation method thereof |
| CN108636407A (en) * | 2018-05-17 | 2018-10-12 | 江苏大学 | Preparation method based on graphene-supported copper nano-particle |
| CN113373472A (en) * | 2021-06-16 | 2021-09-10 | 西北大学 | Polypyrrole/rhodium nanoparticle composite flexible electrode and preparation method and application thereof |
| CN113675416A (en) * | 2021-06-11 | 2021-11-19 | 上海大学 | Nitrogen-doped graphene-loaded binary platinum-copper core-shell structure nano catalyst, and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745384A (en) * | 2009-12-14 | 2010-06-23 | 浙江大学 | Platinum/graphene nano electro-catalyst and preparation method thereof |
| CN102174702A (en) * | 2011-01-11 | 2011-09-07 | 湖南大学 | Preparation method for metallic nano-particle and graphene composite |
| US20110256014A1 (en) * | 2010-04-14 | 2011-10-20 | Soon Hyung Hong | Graphene/metal nanocomposite powder and method of manufacturing the same |
| CN102436862A (en) * | 2011-09-08 | 2012-05-02 | 西北师范大学 | Graphene/nanometer copper electric conducting composite material and preparation thereof |
-
2012
- 2012-12-28 CN CN2012105836190A patent/CN103143369A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745384A (en) * | 2009-12-14 | 2010-06-23 | 浙江大学 | Platinum/graphene nano electro-catalyst and preparation method thereof |
| US20110256014A1 (en) * | 2010-04-14 | 2011-10-20 | Soon Hyung Hong | Graphene/metal nanocomposite powder and method of manufacturing the same |
| CN102174702A (en) * | 2011-01-11 | 2011-09-07 | 湖南大学 | Preparation method for metallic nano-particle and graphene composite |
| CN102436862A (en) * | 2011-09-08 | 2012-05-02 | 西北师范大学 | Graphene/nanometer copper electric conducting composite material and preparation thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048640A (en) * | 2016-05-12 | 2016-10-26 | 山东大学 | Preparation method of graphite surface in-situ graphenized and Pt-supported electrocatalysis hydrogen evolution catalyst |
| CN106048640B (en) * | 2016-05-12 | 2018-07-03 | 山东大学 | A kind of preparation method of graphite surface original position graphite alkylene supporting Pt electrocatalytic hydrogen evolution catalyst |
| CN106149026A (en) * | 2016-06-13 | 2016-11-23 | 天津宝兴威科技有限公司 | The preparation of a kind of Graphene/golden nanometer particle composite and characterizing method |
| CN106770567A (en) * | 2016-11-25 | 2017-05-31 | 江苏丰格测控技术有限公司 | A kind of Platinum Nanoparticles cobalt/porous gold/graphene composite material and preparation method thereof |
| CN108636407A (en) * | 2018-05-17 | 2018-10-12 | 江苏大学 | Preparation method based on graphene-supported copper nano-particle |
| CN113675416A (en) * | 2021-06-11 | 2021-11-19 | 上海大学 | Nitrogen-doped graphene-loaded binary platinum-copper core-shell structure nano catalyst, and preparation method and application thereof |
| CN113373472A (en) * | 2021-06-16 | 2021-09-10 | 西北大学 | Polypyrrole/rhodium nanoparticle composite flexible electrode and preparation method and application thereof |
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Application publication date: 20130612 |