CN102903537A - Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode - Google Patents
Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode Download PDFInfo
- Publication number
- CN102903537A CN102903537A CN2012103963331A CN201210396333A CN102903537A CN 102903537 A CN102903537 A CN 102903537A CN 2012103963331 A CN2012103963331 A CN 2012103963331A CN 201210396333 A CN201210396333 A CN 201210396333A CN 102903537 A CN102903537 A CN 102903537A
- Authority
- CN
- China
- Prior art keywords
- carbon nanotube
- wall carbon
- preparation
- electrode
- nano platinum
- 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.)
- Granted
Links
Images
Landscapes
- Inert Electrodes (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a preparation method of a multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode. The method comprises the main steps of: preprocessing a multi-walled carbon nanotube through mixed acid, dispersing into chloroplatinic acid-ethylene glycol solution with a certain concentration, and adding appropriate polyvinylpyrrolidone; carrying out ultrasonic agitation and hydro-thermal treatment to obtain a complex of a multi-walled carbon nanotube loaded platinum; after being subjected to multiple washing, centrifugal separation and drying, uniformly mixing the complex with a certain amount of terpineol, ethyl cellulose, triton and the like to obtain complex slurry; and coating the slurry onto a conductive glass substrate through a coating method, and obtaining the counter electrode through sintering at high temperature. The counter electrode material prepared by the method has the advantages that the specific surface area is large, the catalytic activity is high, the operation is simple, the preparation cost is low, and the like.
Description
Technical field
The invention belongs to the new energy materials technical field, particularly a kind of DSSC based on multiple-wall carbon nanotube loaded with nano platinum is to the preparation method of electrode.
Background technology
Dye-sensitized solar cells (DSSC) is a kind of third generation thin-film solar cells of the nano photoelectric functional materials such as electrode being got up as base growth take nano crystal semiconductor, organic photosensitive dyestuff, electrolyte and high catalytic activity.Wherein, be one of important component part of DSSC to electrode, its Main Function has: collect and transmission electronic (1), the oxidized electrolyte of (2) catalytic reduction.Traditional mainly is the platinum plating conductive glass electrode to electrode, and wherein platinum has good conductivity and efficient catalytic activity.But platinum belongs to noble metal, and preparation and use cost are higher, are unfavorable for that this kind is to the large-scale application of electrode.In recent years, CNT (carbon nano-tube) has a wide range of applications at aspects such as opto-electronic conversion, photocatalysis and electrochemical sensings with its good conductivity, higher catalytic activity and the larger premium properties such as specific area.Use separately CNT (carbon nano-tube) as to electrode material the time in DSSC, its catalytic activity is far below platinum, thereby greatly reduces the photoelectric conversion efficiency of DSSC.Adopt the nano-carbon tube load metal platinum to substitute when using platinum or CNT (carbon nano-tube) separately, can either effectively reduce the platinum use amount, can strengthen again the electro catalytic activity of CNT (carbon nano-tube).At present, mainly prepare nano-carbon tube load platinum combined counter electrode by methods such as electrophoresis, rotary coatings at electro-conductive glass.Yet, these class methods can not be controlled platinum effectively in load capacity, dispersiveness and the granular size on CNT (carbon nano-tube) surface, and these class methods itself are difficult to realize large-scale production, to such an extent as to affected the electro catalytic activity of combined counter electrode in DSSC, thereby can not effectively improve the photoelectric conversion efficiency of DSSC.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of DSSC of preparation to the method for electrode, it is low-cost, high efficiency to electrode to be conducive to controlled preparation.The method is take chloroplatinic acid and multiple-wall carbon nanotube as primary raw material, and by the proportioning of control chloroplatinic acid and multiple-wall carbon nanotube, and level of inhibitor and hydrothermal reaction condition are realized controlled preparation.At first prepare multiple-wall carbon nanotube Supported Pt Nanoparticles compound, again by knife coating with composite coated in the electro-conductive glass substrate, prepare multiple-wall carbon nanotube load high density, high dispersancy nano platinum combined counter electrode through high-temperature process.
Technical scheme: preparation method's method of multiple-wall carbon nanotube load high density of the present invention, high dispersancy nano platinum combined counter electrode realizes by following approach:
The first step, the preliminary treatment of multiple-wall carbon nanotube: multiple-wall carbon nanotube is mixed in the ratio of 1-2mg/mL with nitration mixture, behind the ultrasonic processing 4-6h, centrifugation, repeatedly be washed to neutrality, at 70-80 ℃ of lower vacuumize 10-12h, obtain acid-treated multiple-wall carbon nanotube after the grinding;
Second step, multiple-wall carbon nanotube loaded with nano platinum composite manufacture: take ethylene glycol as solvent, above-mentioned ethylene glycol solution and the ethylene glycol that obtains acid-treated multiple-wall carbon nanotube, polymerization inhibitor, 0.01mol/L chloroplatinic acid is mixed; Wherein the mixed proportion of multiple-wall carbon nanotube is 0.25-1.25mg/ml, and the mixed proportion of polymerization inhibitor is 0.025-0.05mg/ml, and the mixed proportion of chloroplatinic acid is 0.25-0.5ml/ml; Transfer in the hydrothermal reaction kettle 120-160 ℃ of lower reaction 4-8h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 70-80 ℃ of lower vacuumize 10-12h grinds, and namely gets multiple-wall carbon nanotube loaded with nano platinum composite material, and be for subsequent use;
The 3rd step is to the preparation of electrode: take terpinol as dispersant, with the above-mentioned composite material that makes, Yi base Xian Wei Su ﹑ song draws logical and terpinol mixes; Wherein the mixed proportion of composite material is 25-50mg/ml, and the mixed proportion of ethyl cellulose is 5-10mg/ml, and the mixed proportion of Qu Latong is 0.005-0.01ml/ml; Ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, and 300-450 ℃ of lower calcining 1-2h is cooled to room temperature, obtain preparing to electrode.
Described polymerization inhibitor is PVP K30, and the mass ratio of itself and multiple-wall carbon nanotube is 1/50～1/5.The mass ratio of described ethyl cellulose and multiple-wall carbon nanotube loaded with nano platinum composite material is 1/10～2/5.Described nitration mixture is the mixed acid that the concentrated sulfuric acid and red fuming nitric acid (RFNA) form, and the volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1/3～3/1.
Beneficial effect: the present invention at the nano-platinum particle through nitration mixture pretreated multiple-wall carbon nanotube area load high density, polymolecularity, and prepares DSSC to electrode with this compound by hydro thermal method.What the method was prepared not only can reduce the consumption of noble metal platinum to electrode, utilize strong conduction and the auxiliary catalysis ability of multiple-wall carbon nanotube, and can effectively by the control hydrothermal reaction condition, regulate and control Platinum Nanoparticles in multiple-wall carbon nanotube surface coverage, decentralization and particle size.Thereby realize scale prepare high efficiency, cheaply to electrode.
Description of drawings
Fig. 1 is the transmission electron microscope picture of multiple-wall carbon nanotube loaded with nano platinum complexes.
Embodiment
The first step, the preliminary treatment of multiple-wall carbon nanotube: multiple-wall carbon nanotube is mixed in the ratio of 1-2mg/mL with nitration mixture, behind the ultrasonic dispersion 4-6h, centrifugation, through repeatedly being washed to neutrality, at 70-80 ℃ of lower vacuumize 10-12h, grind into powder, for subsequent use;
Second step, the preparation of multiple-wall carbon nanotube Supported Pt Nanoparticles compound: chloroplatinic acid aqueous solution and the 1-2mg polymerization inhibitor of getting the pretreated Duo wall Na of 0.05g rice Tan Guan ﹑ 10-20mL0.01mol/L join in the 40ml ethylene glycol, ultrasonic dispersion, transfer in the hydrothermal reaction kettle after stirring; At 120-160 ℃ of lower reaction 4-8h; It is extremely neutral through centrifugation and washed several times with water to react complete rear gained solution; At 70-80 ℃ of lower vacuumize 10-12h, grind into powder namely gets compound;
The 3rd step, to the preparation of electrode: after getting the above-mentioned compound of 0.05g and 0.01-0.02g Yi base Xian Wei Su ﹑ 2-3ml terpinol and 0.01-0.02ml song and drawing logical the mixing, through ultrasonic, stir and obtain finely dispersed slurry; Be coated to clean conductive substrates surface by knife coating, through 300-450 ℃ of lower calcining 1-2h, be cooled to room temperature, obtain compound to electrode.
The pipe range 5-15 μ m that described multiple-wall carbon nanotube is, aperture 10-30nm.
Described nitration mixture is that volume ratio is about the concentrated sulfuric acid of 3:1 and the nitration mixture of red fuming nitric acid (RFNA).
Described polymerization inhibitor is PVP K30.
Described reactor is corrosion-resistant reactor, and reaction is carried out in thermostatic drying chamber.
Describedly lead the substrate of electro-conductive glass electricity for mixing the fluorine electro-conductive glass, the face resistance is 8-15 Ω/cm
2
The present invention is described in further detail below in conjunction with embodiment, but the working of an invention mode is not limited to this.
Embodiment 1:
Get the nitration mixture (volume ratio of sulfuric acid and nitric acid is 3:1) that the 0.15g multiple-wall carbon nanotube joins 100mL sulfuric acid and nitric acid, behind the ultrasonic processing 4h, centrifugation repeatedly is washed to neutrality, and 80 ℃ of lower vacuumize 10h grind, and are for subsequent use;
The platinum acid chloride solution of getting the Duo wall Na rice Tan Guan ﹑ 10mL0.01mol/L after the 0.05g nitration mixture is processed joins in the 40ml ethylene glycol, transfers in the hydrothermal reaction kettle 120 ℃ of lower reaction 6h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 80 ℃ of lower vacuumize 10h grind, and namely get multiple-wall carbon nanotube loaded with nano platinum composite material, and are for subsequent use;
Get the above-mentioned composite material that makes of 0.05g and 0.01g Yi base Xian Wei Su ﹑ 2ml terpinol and 0.01ml song and draw logical the mixing, ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, 300 ℃ of lower calcining 1h, be cooled to room temperature, obtain preparing to electrode.
The load capacity of platinum is the 20.3%(mass ratio in the combined counter electrode that the method makes), the particle average grain diameter is 7.6nm, is assembled into battery and has obtained 2.8% electricity conversion.
Embodiment 2:
Get the nitration mixture (volume ratio of sulfuric acid and nitric acid is 3:1) that the 0.15g multiple-wall carbon nanotube joins 100mL sulfuric acid and nitric acid, behind the ultrasonic processing 4h, centrifugation repeatedly is washed to neutrality, and 80 ℃ of lower vacuumize 10h grind, and are for subsequent use;
The platinum acid chloride solution of Duo wall Na rice Tan Guan ﹑ 20mL0.01mol/L after getting the 0.05g nitration mixture and processing and joining in the 40ml ethylene glycol, ultrasonic agitation are transferred in the hydrothermal reaction kettle 120 ℃ of lower reaction 6h after evenly; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 80 ℃ of lower vacuumize 10h grind, and namely get multiple-wall carbon nanotube loaded with nano platinum composite material, and are for subsequent use;
Get the above-mentioned composite material that makes of 0.05g and 0.01g Yi base Xian Wei Su ﹑ 2ml terpinol and 0.01ml song and draw logical the mixing, ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, 300 ℃ of lower calcining 1h, be cooled to room temperature, obtain preparing to electrode.
The load capacity of platinum is the 36.1%(mass ratio in the combined counter electrode that the method makes), the particle average grain diameter is 6.2nm, is assembled into battery and has obtained 4.3% electricity conversion.
Embodiment 3:
Get the nitration mixture (volume ratio of sulfuric acid and nitric acid is 3:1) that the 0.15g multiple-wall carbon nanotube joins 100mL sulfuric acid and nitric acid, behind the ultrasonic processing 4h, centrifugation repeatedly is washed to neutrality, and 80 ℃ of lower vacuumize 10h grind, and are for subsequent use;
Platinum acid chloride solution and the 0.0015g polyvinylpyrrolidone of getting the Duo wall Na rice Tan Guan ﹑ 20mL0.01mol/L after the 0.05g nitration mixture is processed join in the 40ml ethylene glycol, transfer in the hydrothermal reaction kettle 120 ℃ of lower reaction 6h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 80 ℃ of lower vacuumize 10h grind, and namely get multiple-wall carbon nanotube loaded with nano platinum composite material, and are for subsequent use;
Get the above-mentioned composite material that makes of 0.05g and 0.01g Yi base Xian Wei Su ﹑ 2ml terpinol and 0.01ml song and draw logical the mixing, ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, 300 ℃ of lower calcining 1h, be cooled to room temperature, obtain preparing to electrode.
The load capacity of platinum is the 38.7%(mass ratio in the combined counter electrode that the method makes), the particle average grain diameter is 4.9nm, is assembled into battery and has obtained 5.5% electricity conversion.
Embodiment 4:
Get the nitration mixture (volume ratio of sulfuric acid and nitric acid is 3:1) that the 0.15g multiple-wall carbon nanotube joins 100mL sulfuric acid and nitric acid, behind the ultrasonic processing 4h, centrifugation repeatedly is washed to neutrality, and 80 ℃ of lower vacuumize 10h grind, and are for subsequent use;
Platinum acid chloride solution and the 0.0015g polyvinylpyrrolidone of getting the Duo wall Na rice Tan Guan ﹑ 20mL0.01mol/L after the 0.05g nitration mixture is processed join in the 40ml ethylene glycol, transfer in the hydrothermal reaction kettle 160 ℃ of lower reaction 6h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 80 ℃ of lower vacuumize 10h grind, and namely get multiple-wall carbon nanotube loaded with nano platinum composite material, and are for subsequent use;
Get the above-mentioned composite material that makes of 0.05g and 0.02g Yi base Xian Wei Su ﹑ 2ml terpinol and 0.01ml song and draw logical the mixing, ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, 300 ℃ of lower calcining 1h, be cooled to room temperature, obtain preparing to electrode.
The load capacity of platinum is the 44.6%(mass ratio in the combined counter electrode that the method makes), the particle average grain diameter is that 3.5nm(sees accompanying drawing), be assembled into battery and obtained 6.4% electricity conversion.
Embodiment 5:
Get the nitration mixture (volume ratio of sulfuric acid and nitric acid is 3:1) that the 0.15g multiple-wall carbon nanotube joins 100mL sulfuric acid and nitric acid, behind the ultrasonic processing 4h, centrifugation repeatedly is washed to neutrality, and 80 ℃ of lower vacuumize 10h grind, and are for subsequent use;
Platinum acid chloride solution and the 0.0015g polyvinylpyrrolidone of getting the Duo wall Na rice Tan Guan ﹑ 20mL0.01mol/L after the 0.05g nitration mixture is processed join in the 40ml ethylene glycol, transfer in the hydrothermal reaction kettle 160 ℃ of lower reaction 6h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 80 ℃ of lower vacuumize 10h grind, and namely get multiple-wall carbon nanotube loaded with nano platinum composite material, and are for subsequent use;
Get the above-mentioned composite material that makes of 0.05g and 0.02g Yi base Xian Wei Su ﹑ 3ml terpinol and 0.02ml song and draw logical the mixing, ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, 450 ℃ of lower calcining 1h, be cooled to room temperature, obtain preparing to electrode.
The load capacity of platinum is the 44.6%(mass ratio in the combined counter electrode that the method makes), the particle average grain diameter is 12.8nm, is assembled into battery and has obtained 4.6% electricity conversion.
Claims (4)
1. a multiple-wall carbon nanotube load high density high dispersancy nano platinum is characterized in that to the preparation method of electrode the method realizes by following approach:
The first step, the preliminary treatment of multiple-wall carbon nanotube: multiple-wall carbon nanotube is mixed in the ratio of 1-2mg/mL with nitration mixture, behind the ultrasonic processing 4-6h, centrifugation, repeatedly be washed to neutrality, at 70-80 ℃ of lower vacuumize 10-12h, obtain acid-treated multiple-wall carbon nanotube after the grinding;
Second step, multiple-wall carbon nanotube loaded with nano platinum composite manufacture: take ethylene glycol as solvent, above-mentioned ethylene glycol solution and the ethylene glycol that obtains acid-treated multiple-wall carbon nanotube, polymerization inhibitor, 0.01mol/L chloroplatinic acid is mixed; Wherein the mixed proportion of multiple-wall carbon nanotube is 0.25-1.25mg/ml, and the mixed proportion of polymerization inhibitor is 0.025-0.05mg/ml, and the mixed proportion of chloroplatinic acid is 0.25-0.5ml/ml; Transfer in the hydrothermal reaction kettle 120-160 ℃ of lower reaction 4-8h after ultrasonic agitation is even; React complete rear gained solution centrifugal and separate, washed several times with water is to neutral, and 70-80 ℃ of lower vacuumize 10-12h grinds, and namely gets multiple-wall carbon nanotube loaded with nano platinum composite material, and be for subsequent use;
The 3rd step is to the preparation of electrode: take terpinol as dispersant, with the above-mentioned composite material that makes, Yi base Xian Wei Su ﹑ song draws logical and terpinol mixes; Wherein the mixed proportion of composite material is 25-50mg/ml, and the mixed proportion of ethyl cellulose is 5-10mg/ml, and the mixed proportion of Qu Latong is 0.005-0.01ml/ml; Ultrasonic agitation makes the homogeneous slurry, and knife coating is coated to cleaned dried conductive substrates surface, and 300-450 ℃ of lower calcining 1-2h is cooled to room temperature, obtain preparing to electrode.
2. multiple-wall carbon nanotube load high density high dispersancy nano platinum according to claim 1 is characterized in that to the preparation method of electrode described polymerization inhibitor is PVP K30, and the mass ratio of itself and multiple-wall carbon nanotube is 1/50～1/5.
3. multiple-wall carbon nanotube load high density high dispersancy nano platinum according to claim 1 is characterized in that to the preparation method of electrode the mass ratio of described ethyl cellulose and multiple-wall carbon nanotube loaded with nano platinum composite material is 1/10～2/5.
4. multiple-wall carbon nanotube load high density high dispersancy nano platinum according to claim 1 is characterized in that to the preparation method of electrode described nitration mixture is the mixed acid that the concentrated sulfuric acid and red fuming nitric acid (RFNA) form, and the volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1/3～3/1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396333.1A CN102903537B (en) | 2012-10-17 | 2012-10-17 | Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396333.1A CN102903537B (en) | 2012-10-17 | 2012-10-17 | Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102903537A true CN102903537A (en) | 2013-01-30 |
| CN102903537B CN102903537B (en) | 2015-04-15 |
Family
ID=47575731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396333.1A Active CN102903537B (en) | 2012-10-17 | 2012-10-17 | Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102903537B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312524A (en) * | 2018-12-12 | 2020-06-19 | 南京理工大学 | Molybdenum disulfide composite counter electrode of quantum dot sensitized solar cell and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004109840A1 (en) * | 2003-03-26 | 2004-12-16 | Sony Corporation | Electrode, method of forming the same, photoelectric conversion device, process for producing the same, electronic apparatus and process for producing the same |
| CN101510471A (en) * | 2009-03-03 | 2009-08-19 | 彩虹集团公司 | Method for preparing counter electrode of dye sensitization solar battery based on carbon nanotube and platinum |
| CN101596453A (en) * | 2009-07-03 | 2009-12-09 | 北京工业大学 | A kind of is the Pt Preparation of catalysts method of carrier with the carbon carrier |
| CN102347140A (en) * | 2011-07-20 | 2012-02-08 | 彩虹集团公司 | Preparation method of dye-sensitized solar cell counter electrode |
| CN102641733A (en) * | 2012-04-17 | 2012-08-22 | 上海大学 | Method for preparing Pt/CNTs material with high catalytic activity |
-
2012
- 2012-10-17 CN CN201210396333.1A patent/CN102903537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004109840A1 (en) * | 2003-03-26 | 2004-12-16 | Sony Corporation | Electrode, method of forming the same, photoelectric conversion device, process for producing the same, electronic apparatus and process for producing the same |
| CN101510471A (en) * | 2009-03-03 | 2009-08-19 | 彩虹集团公司 | Method for preparing counter electrode of dye sensitization solar battery based on carbon nanotube and platinum |
| CN101596453A (en) * | 2009-07-03 | 2009-12-09 | 北京工业大学 | A kind of is the Pt Preparation of catalysts method of carrier with the carbon carrier |
| CN102347140A (en) * | 2011-07-20 | 2012-02-08 | 彩虹集团公司 | Preparation method of dye-sensitized solar cell counter electrode |
| CN102641733A (en) * | 2012-04-17 | 2012-08-22 | 上海大学 | Method for preparing Pt/CNTs material with high catalytic activity |
Non-Patent Citations (1)
| Title |
|---|
| 张永昌等: "取向多壁碳纳米管的制备及其在染料敏化太阳能电池中的应用", 《硅酸盐学报》, vol. 39, no. 10, 31 October 2011 (2011-10-31), pages 1599 - 1602 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312524A (en) * | 2018-12-12 | 2020-06-19 | 南京理工大学 | Molybdenum disulfide composite counter electrode of quantum dot sensitized solar cell and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102903537B (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104724699B (en) | Method for preparing biomass graphene employing cellulose as raw material | |
| CN104227014B (en) | A kind of fast restore prepares the method for golden nanometer particle and graphene composite material | |
| Wen et al. | Hollow carbon spheres with wide size distribution as anode catalyst support for direct methanol fuel cells | |
| CN102921944B (en) | Silver powder for printing size for solar cell electrodes and preparation process thereof | |
| CN106960965B (en) | A kind of preparation method of the different structural material supported precious metal nano-particle processed of black phosphorus titanium dioxide | |
| CN101745384A (en) | Platinum/graphene nano electro-catalyst and preparation method thereof | |
| CN104617280B (en) | Adhesive-free graphene/silicon electrode for lithium ion battery and preparation method thereof | |
| CN106179415B (en) | A kind of preparation method of nano-titanium dioxide/molybdenum disulfide composite material film | |
| CN102718250A (en) | Method for preparing carbon-material-carrying tin dioxide nanosheet composite material | |
| CN107833752B (en) | It is a kind of for dye-sensitized solar cells to the material and preparation method thereof of electrode | |
| CN103301860A (en) | Preparation method of multiwalled carbon nanotube supported silver phosphate visible light photocatalyst | |
| CN103887080B (en) | Nanocomposite material of nitrogen doped with graphene/copper ferrite and preparation method thereof | |
| CN107128899A (en) | A kind of preparation method of spherical nitrogen-doped carbon nano material | |
| CN107694580A (en) | A kind of nano combined selenides and preparation method thereof | |
| CN106571460B (en) | A kind of binder free, selenium positive electrode of self supporting structure and preparation method thereof | |
| CN107017398A (en) | A kind of pyrophosphoric acid vanadium sodium/carbon composite anode material, preparation and its application | |
| CN111048324A (en) | Manganese dioxide-porous carbon composite material and preparation method and application thereof | |
| CN103394701B (en) | The preparation method of the super fine silver powder that a kind of epigranular is concentrated | |
| CN103433502A (en) | High-dispersing silver powder and preparation method thereof | |
| CN105778088B (en) | A kind of graphene/polyaniline nanometer stick array composite and preparation method and application | |
| CN102103895B (en) | Silver paste used for positive electrodes of solar batteries and grid lines, preparation method thereof and solar battery containing same | |
| CN109231276A (en) | Sulfamic acid restores potassium permanganate and prepares α-MnO2The method and application of nano wire | |
| CN102903537B (en) | Preparation method of multi-walled carbon nanotube loaded high-density high-dispersion nano platinum counter electrode | |
| CN106955689A (en) | A kind of preparation method of redox graphene/cuprous oxide composite photo-catalyst | |
| CN104624191A (en) | CoO/C catalyst and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 221700 Xinhua Lane 6, Zhongyang Avenue, Xuzhou, Jiangsu, Fengxian County Patentee after: Southeast University Address before: 210096 Jiangsu city Nanjing Province four pailou No. 2 Patentee before: Southeast University |
|
| CP02 | Change in the address of a patent holder |