CN103433044B - Preparation method of cobalt-nickel double metal hydroxide nano composite - Google Patents
Preparation method of cobalt-nickel double metal hydroxide nano composite Download PDFInfo
- Publication number
- CN103433044B CN103433044B CN201310400889.8A CN201310400889A CN103433044B CN 103433044 B CN103433044 B CN 103433044B CN 201310400889 A CN201310400889 A CN 201310400889A CN 103433044 B CN103433044 B CN 103433044B
- Authority
- CN
- China
- Prior art keywords
- cobalt
- nickel
- solution
- gram
- drip
- 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.)
- Active
Links
Abstract
The invention provides a method for preparing a cobalt-nickel double metal hydroxide nano composite through a hydrolytic process, belonging to the technical field of nano material preparation. The method is carried out under the condition of room temperature, dispenses with heating and temperature control devices and takes distilled water as a solvent, hydrolysis of sodium borohydride is utilized to provide an alkaline environment for reaction, the synthetic steps are simple, the yield is high and the obtained cobalt-nickel double metal hydroxide nano composite is a grapheme-like structure. The method is simple and energy-saving in preparation process and is suitable for industrial production. The obtained cobalt-nickel double metal hydroxide nano composite has good catalytic effects on hydrogenation of p-nitrophenol.
Description
Technical field:
The invention belongs to technical field of nanometer material preparation, be specifically related to adopt hydrolysis to prepare class graphene-like cobalt-nickel bimetal hydroxide nanometer complexes at ambient temperature, this nano-complex has the character of efficient catalytic p-nitrophenol hydrogenation.
Background technology:
The existing method preparing cobalt-nickel bimetal hydroxide nanometer complexes comprises self-assembling technique, electrodeposition process, coprecipitation, template, microemulsion method, sol-gel process etc.
Holland's " energy magazine " (Journal of Power Sources, 172 volumes, 970-974 page in 2007) reports the α-Co (OH) of the one dimension stratiform that first employing ammonia precipitation method preparation is interlayer with dodecyl sulphate root
2with α-Ni (OH)
2, then they are dispersed in n-butanol and form colloidal solution, piled up altogether at random by self-assembling technique in most latter two colloidal solution, obtain the α-hydroxide nanometer complexes with stable electrical chemical property.Similar with the method, Holland's " investigation of materials publication " (Materials Research Bulletin, 48 volumes, 2715-2719 page in 2013) reports the α-Co (OH) that first to make with both sexes p-aminobenzoic acid radical ion be interlayer
2with α-Ni (OH)
2peel off in water, add in excess nitric acid radical ion to the two colloidal dispersions mixed system, through ion-exchange, α-Co (OH)
2with α-Ni (OH)
2all nitrate ion is become, last α-Co (OH) between interlayer
2with α-Ni (OH)
2stratiform α-hydroxide nanometer complexes is formed by piling up altogether.Holland " energy magazine " (Journal of Power Sources, 2008,175 volumes, 680-685 page) report using cabaltous nitrate hexahydrate and Nickelous nitrate hexahydrate as cobalt source and nickel source predecessor, be reference electrode with Ag/AgCl in three-electrode system, stainless-steel sheet is working electrode, uses permanent electromotive force sedimentation to prepare Co in KOH solution
xni
1-xlayered double-hydroxide, has higher ratio capacitance value.Holland " electrochemistry journal " (Electrochimica Acta, 2009,54 volumes, 2737-2741 page) report employing chemical coprecipitation method, using cabaltous nitrate hexahydrate and Nickelous nitrate hexahydrate as cobalt source and nickel source predecessor, add polyethylene glycol in aqueous as structure directing agent, and add certain density ammoniacal liquor adjustment solution ph, synthesize a kind of mesoporous Co
xni
1-xlayered double-hydroxide.Britain's " materials chemistry magazine " (Journal of Materials Chemistry, 22 volumes, 23587-23592 page in 2012) reports the SiO by using synthesis in early stage
2@AlOOH is template, is adding cabaltous nitrate hexahydrate, and after Nickelous nitrate hexahydrate and urea, fabricated in situ has inner hollow, and outside is the nickel-cobalt double-hydroxide microballoon of the three-dimensional structure of class hedgehog shell.The special construction of this hydroxide effectively improves faradic redox reaction and mass transport process in electrochemical process.Holland " applied catalysis B: environment " (Applied Catalysis B:Environmental, 2013,136-137 rolls up, 1-8 page) report using six hydration nickel sulfate and Cobalt monosulfate heptahydrate as nickel source and cobalt source predecessor, adopt loaded Catalyst By Water-in-oil Microemulsion on carbon base body, synthesized a kind of nickel-cobalt hydroxide nanometer sheet, and study it as the catalytic action of electrode material to evolving hydrogen reaction.Britain's " chemical communication " (Chemical Communication,, 49 volumes, 7067-7069 page in 2013) report using cabaltous nitrate hexahydrate and Nickelous nitrate hexahydrate as cobalt source and nickel source predecessor, with lithium hydroxide (LiOH) for precipitating reagent, azanol (NH
2oH) be complexing agent, adopt coprecipitation method at titanium plate Surface Creation a kind of cobalt-nickel multi-phase composites.Holland " energy magazine " (Journal of Power Sources, 2013,238 volumes, 180-189 page) report and synthesize a kind of nickel-cobalt hydroxide as nickel source and cobalt source predecessor by sol-gel process using Nickel dichloride hexahydrate and cobalt chloride hexahydrate.
In sum, it is also less that cobalt-nickel bimetal hydroxide is studied in simple synthesis, and its application is study its electrochemical properties as electrode material mostly, and application is in other respects less.Particularly also be not in the news at present as the application of catalyst in solution system.
Summary of the invention:
The object of the invention is to propose the preparation method of a kind of cobalt-nickel bimetal hydroxide nanometer complexes and the application in the hydrogenation of catalysis p-nitrophenol thereof.This method preparation process is simple, energy-conservation, and be applicable to suitability for industrialized production, the cobalt obtained-nickel bimetal hydroxide nanometer complexes is class Graphene layer structure, and thickness, less than 1 nanometer, has the character of efficient catalytic p-nitrophenol hydrogenation.In addition, because product has ferromagnetism, be easy to carry out being separated and collecting with magnet, be conducive to its hydrogenation of catalysis p-nitrophenol experiment in recycling.
The preparation method of cobalt of the present invention-nickel bimetal hydroxide nanometer complexes comprises the following steps:
Cabaltous nitrate hexahydrate and 0.200 gram of polyvinylpyrrolidone (PVP) ultrasonic dissolution of A, weighing 0.146 gram, in 40 ml distilled waters, are then transferred to three-neck flask, open the rotating speed agitating solution that electric blender arranges 1000 revs/min.
B, under agitation, drips 40 milliliters of new configuration containing 0.750 gram of sodium borohydride aqueous solution with syringe pump, within 15 minutes, drips.Subsequently, drip 40 milliliters containing 0.119 gram of Nickel dichloride hexahydrate aqueous solution with syringe pump, within 15 minutes, drip.
After C, all reagent add, solution continues stirring reaction one hour, by solution centrifugal after reaction terminates, collects black solid product, respectively washs three times, obtain sample 60 degrees Celsius of oven dry with distilled water and ethanol.
The experimental technique of catalysis p-nitrophenol hydrogenation comprises: by the p-nitrophenyl phenol solution of 0.1 milliliter of 0.004M, 2 ml distilled waters, the freshly prepd sodium borohydride solution of 1 milliliter of 0.1M is added in quartz colorimetric utensil in order successively, the color of solution becomes glassy yellow from light yellow immediately, simultaneously stability peak by 317 nanometer red shifts to 400 ran, add the cobalt-nickel bimetal hydroxide nanometer complexes of 1 milligram of preparation subsequently, tested once every 1 minute between 200-500 nanometer with ultraviolet specrophotometer, no longer change until the absworption peak peak value of 400 nanometers drops to.Result shows, at ambient temperature, the cobalt-nickel bimetal hydroxide nanometer complexes of 1 milligram of preparation only needs 6 minutes just can by complete for the p-nitrophenol solution catalyzing of 0.1 milliliter of 0.004M.
The invention provides and be a kind ofly hydrolyzed the method that provides alkaline environment to prepare cobalt-nickel bimetal hydroxide nanometer complexes and the application in the hydrogenation of catalysis p-nitrophenol thereof by sodium borohydride in aqueous, this reaction is at room temperature carried out, the decomposition of sodium borohydride provides alkaline environment, polyvinylpyrrolidone (PVP) is as stabilizing agent, course of reaction is gentle, is easy to control.In addition prepared sample has certain ferromagnetism, can carry out being separated and collecting with magnet easily.
Cobalt prepared by the present invention-nickel bimetal hydroxide nanometer complexes is under the protection of stabilizing agent, and being decomposed by sodium borohydride provides alkaline environment, and cobalt source and nickel source generate that then corresponding hydroxide be compounded to form successively.The kind of stabilizing agent and the pattern of amount used to product all have a certain impact.
Described cobalt source predecessor is cabaltous nitrate hexahydrate;
Described nickel source predecessor is Nickel dichloride hexahydrate;
Described reaction temperature is room temperature (25 DEG C);
Described reaction vessel is three-neck flask;
Described solvent is distilled water;
Described stabilizing agent is polyvinylpyrrolidone (PVP);
Described agitating device is electric blender;
Described mixing speed is 1000 revs/min.
Cobalt prepared by the present invention-nickel bimetal hydroxide nanometer complexes, this sample has good effect to the hydrogenation of catalysis nitrophenol, as the p-nitrophenyl phenol solution by 0.1 milliliter of 0.004M, 2 ml distilled waters are added in quartz colorimetric utensil in order successively, pass through measurement of ultraviolet-visible spectrophotometer, an absworption peak is had in 317 nanometers, this peak is the ultraviolet absorption peak of p-nitrophenol, after adding the freshly prepd sodium borohydride solution of 1 milliliter of 0.1M again, solution becomes glassy yellow from light yellow immediately, simultaneously ultraviolet absorption peak by 317 nanometer red shifts to 400 nanometers, the generation of this phenomenon is that the sodium borohydride owing to adding decomposes and makes solution alkalize, can in and p-nitrophenol in hydroxyl, thus form p-nitrophenol ion, and 400 nanometers occur is the ultraviolet absorption peak of p-nitrophenol ion, concentration corresponding to this absworption peak is decided to be initial concentration.Finally, in cuvette, add the cobalt-nickel bimetal hydroxide nanometer complexes of 1 milligram of preparation, every one minute with measurement of ultraviolet-visible spectrophotometer, no longer change until the absworption peak peak value of 400 nanometers drops to.Meanwhile, along with the decline of 400 nanometers absworption peak peak values, occurred new absworption peak and peak value constantly increases in 300 nanometers, this is the feature ultraviolet absorption peak of para-aminophenol ion.In addition, the concentration of sodium borohydride, the speed of the amount of catalyst to the hydrogenation of catalysis p-nitrophenol also have a great impact.
The reducing agent of described catalysis p-nitrophenol hydrogenation is freshly prepd sodium borohydride;
Described treats that catalyzed samples is p-nitrophenol;
Described ultraviolet specrophotometer is Shimadzu UV-1750 ultraviolet specrophotometer.
In a word, cobalt-nickel bimetal hydroxide nanometer complexes that prepared by the present invention has the character of efficient catalytic p-nitrophenol hydrogenation.Meanwhile, because this material has ferromagnetism, separation and the collection of product can be carried out by very convenient magnet, be conducive to reusing of material.Therefore, this material has potential using value at catalytic field.
Accompanying drawing illustrates:
Fig. 1, Fig. 2 are the scanning electron microscope (SEM) photograph (SEM) of the cobalt-nickel bimetal hydroxide nanometer complexes prepared by hydrolysis under room temperature in embodiment 1;
Fig. 3, Fig. 4 are the transmission electron microscope picture (TEM) of the cobalt-nickel bimetal hydroxide nanometer complexes prepared in embodiment 1;
Fig. 5 is the X-ray powder diffraction figure (XRD) of the cobalt-nickel bimetal hydroxide nanometer complexes prepared in embodiment 1;
Fig. 6 is the hysteresis curve of the cobalt-nickel bimetal hydroxide nanometer complexes prepared in embodiment 1;
Fig. 7, Fig. 8 are the ultraviolet-ray visible absorbing curve of the cobalt-nickel bimetal hydroxide nanometer complexes catalysis p-nitrophenol hydrogenation prepared in embodiment 2.
Detailed description of the invention:
Below in conjunction with embodiment, specific description is done to the present invention.
Embodiment 1: preparation class graphene-like cobalt-nickel bimetal hydroxide nanometer complexes:
Cabaltous nitrate hexahydrate and 0.200 gram of polyvinylpyrrolidone (PVP) ultrasonic dissolution of A, weighing 0.146 gram, in 40 ml distilled waters, are then transferred to three-neck flask, open the rotating speed agitating solution that electric blender arranges 1000 revs/min.
B, under agitation, drips 40 milliliters of new configuration containing 0.750 gram of sodium borohydride aqueous solution with syringe pump, within 15 minutes, drips.Subsequently, drip 40 milliliters containing 0.119 gram of Nickel dichloride hexahydrate aqueous solution with syringe pump, within 15 minutes, drip.
After C, all reagent add, solution continues stirring reaction one hour, and reaction terminates rear products therefrom 60 degrees Celsius of oven dry after distilled water and ethanol three centrifuge washings, for characterizing and test.
NEC field emission electron flying-spot microscope JSM-6700F (SEM) and NEC JEM-2100 high resolution transmission electron microscopy (HRTEM) is adopted to carry out morphology characterization to the sample obtained.Philip X'Pert PRO SUPER X-ray diffractometer (XRD) is adopted to characterize mutually sample thing.
Fig. 1, Fig. 2 are in embodiment 1, the SEM figure of the cobalt-nickel bimetal hydroxide nanometer complexes prepared by hydrolysis under room temperature, and can find out that the pattern of product is homogeneous, be the accordion class graphene-structured be made up of nanometer sheet; Fig. 3 Fig. 4 is in embodiment 1, the TEM figure of the cobalt-nickel bimetal hydroxide nanometer complexes prepared by hydrolysis under room temperature, and can find out that product is made up of very thin nanometer sheet, the thickness of nanometer sheet is about 1 nanometer;
Fig. 5 is in embodiment 1, and the XRD figure of the cobalt-nickel bimetal hydroxide nanometer complexes prepared by hydrolysis under room temperature, can be found out in sample containing α-Co (OH)
2with α-Ni (OH)
2;
Fig. 6 is in embodiment 1, the hysteresis curve of the cobalt-nickel bimetal hydroxide nanometer complexes prepared by hydrolysis under room temperature, as can be seen from the figure hysteresis curve is narrower, saturation magnetization is 5.34emu/g, coercivity is 80Oe, and the cobalt therefore prepared-nickel bimetal hydroxide nanometer complexes is a kind of ferrimagnet.
Embodiment 2: catalysis p-nitrophenol hydrogenation:
The freshly prepd sodium borohydride solution of the p-nitrophenyl phenol solution of 0.1 milliliter of 0.004M, 2 ml distilled waters, 1 milliliter of 0.1M is added in quartz colorimetric utensil in order successively, the color of solution becomes glassy yellow from light yellow immediately, simultaneously stability peak by 317 nanometer red shifts to 400 ran, add the cobalt-nickel bimetal hydroxide nanometer complexes of 1 milligram of preparation subsequently, tested once, until the peak of 400 ran does not significantly change every 1 minute between 200-500 nanometer with ultraviolet specrophotometer.
The catalysis p-nitrophenol hydrogenation character of Shimadzu UV-1750 ultraviolet specrophotometer to sample is adopted to test.
Fig. 7, Fig. 8 are the ultraviolet-ray visible absorbing curve of the present embodiment product at room temperature catalysis p-nitrophenol hydrogenation, as seen from Figure 7, adding 1 milliliter of freshly prepd concentration is after the sodium borohydride solution of 0.1M, the position of absworption peak by 317 nanometer red shifts to 400 ran.As seen from Figure 8, along with the reduction gradually of 400 nanometers absorption peak strength, 300 ran have occurred a new absworption peak and intensity raises gradually, and this absworption peak is the absworption peak of the para-aminophenol ion that reduction generates.After adding 1 milligram of cobalt-nickel bimetal hydroxide nanometer complexes, only needing 6 minutes just can by complete for the p-nitrophenol solution catalyzing of 0.1 milliliter of 0.004M.
Claims (2)
1. the preparation method of cobalt-nickel bimetal hydroxide nanometer complexes, content comprises: weigh 0.146 gram of cabaltous nitrate hexahydrate and 0.200 gram of polyvinylpyrrolidone (PVP) ultrasonic dissolution in 40 ml distilled waters, then be transferred to three-neck flask, open the rotating speed agitating solution that electric blender arranges 1000 revs/min; Under agitation, drip 40 milliliters of new configuration containing 0.750 gram of sodium borohydride aqueous solution with syringe pump, within 15 minutes, drip; Subsequently, drip 40 milliliters containing 0.119 gram of Nickel dichloride hexahydrate aqueous solution with syringe pump, within 15 minutes, drip; After all reagent adds, solution continues stirring reaction one hour, by solution centrifugal after reaction terminates, collects black solid product, respectively washs three times, obtain sample 60 degrees Celsius of oven dry with distilled water and ethanol.
2. cobalt-nickel bimetal hydroxide nanometer complexes of preparing of method, to the application of catalyzing organic hydrogenation, is characterised in that described organic matter is p-nitrophenol as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400889.8A CN103433044B (en) | 2013-08-27 | 2013-08-27 | Preparation method of cobalt-nickel double metal hydroxide nano composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400889.8A CN103433044B (en) | 2013-08-27 | 2013-08-27 | Preparation method of cobalt-nickel double metal hydroxide nano composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103433044A CN103433044A (en) | 2013-12-11 |
| CN103433044B true CN103433044B (en) | 2015-05-13 |
Family
ID=49686813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310400889.8A Active CN103433044B (en) | 2013-08-27 | 2013-08-27 | Preparation method of cobalt-nickel double metal hydroxide nano composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103433044B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979615B (en) * | 2014-04-28 | 2016-04-13 | 河南大学 | Boron doped alpha-Ni (OH) 2and preparation method thereof, purposes |
| CN105334251B (en) * | 2015-11-16 | 2018-05-25 | 安徽师范大学 | The Fe-Ni double-metal hydroxides of class tremelliform analyse oxygen electrode and its preparation method and application |
| CN106449136B (en) * | 2016-09-05 | 2019-04-05 | 郑州大学 | Alpha-nickel hydroxide cobalt electrode material and the preparation method and application thereof |
| CN107128981B (en) * | 2017-06-12 | 2018-07-13 | 南京晓庄学院 | Ni-M-O-H is nanocrystalline and its controllable type synthetic method and the application in preparing ultracapacitor |
| CN107915262A (en) * | 2017-11-08 | 2018-04-17 | 华东师范大学 | A kind of preparation method of two-dimensional ultrathin hydroxide |
| CN109133200B (en) * | 2018-08-31 | 2021-11-05 | 哈尔滨理工大学 | Preparation of flower-like Ni-Co hydrotalcite electrode material |
| CN109679386A (en) * | 2019-01-11 | 2019-04-26 | 安徽大学 | A kind of normal temperature cured type transparent inorganic water resistant coating and preparation method thereof |
| CN110882702A (en) * | 2019-12-16 | 2020-03-17 | 生态环境部环境规划院 | Preparation method and application of catalytic material based on magnetic layered double hydroxide |
| CN111961217B (en) * | 2020-08-26 | 2022-04-22 | 合肥工业大学 | Preparation method and application of amorphous metal oxide induced NiCo-BTC nanosheet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245333A (en) * | 2008-12-12 | 2011-11-16 | 比克化学股份有限公司 | Method for producing metal nanoparticles and nanoparticles obtained in this way and use thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2914200B1 (en) * | 2007-03-30 | 2009-11-27 | Inst Francais Du Petrole | PROCESS FOR THE SYNTHESIS OF CUBIC METAL NANOPARTICLES IN THE PRESENCE OF TWO REDUCERS |
-
2013
- 2013-08-27 CN CN201310400889.8A patent/CN103433044B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245333A (en) * | 2008-12-12 | 2011-11-16 | 比克化学股份有限公司 | Method for producing metal nanoparticles and nanoparticles obtained in this way and use thereof |
Non-Patent Citations (1)
| Title |
|---|
| Homogeneous precipitation of α-phase Co-Ni hydroxides hexagonal platelets;Juanjuan Liu等;《Particuology》;20121231;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103433044A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103433044B (en) | Preparation method of cobalt-nickel double metal hydroxide nano composite | |
| Luo et al. | Trimetallic metal–organic frameworks and derived materials for environmental remediation and electrochemical energy storage and conversion | |
| Tahir et al. | Synthesis of morphology controlled NiCo-LDH microflowers derived from ZIF-67 using binary additives and their excellent asymmetric supercapacitor properties | |
| CN107824188B (en) | Nickel cobalt layered double hydroxide/graphene elctro-catalyst preparation method | |
| Yi et al. | Hollow Fe3O4/carbon with surface mesopores derived from MOFs for enhanced lithium storage performance | |
| Xu et al. | Methanol electrocatalytic oxidation on Pt nanoparticles on nitrogen doped graphene prepared by the hydrothermal reaction of graphene oxide with urea | |
| CN102891016B (en) | A kind of cobalt acid nickel graphene composite material and application thereof and preparation method | |
| CN102082270B (en) | Manganese spinel nano material as well as preparation method and application of manganese spinel nano material | |
| Mu et al. | Metal-organic framework-derived rodlike AgCl/Ag/In2O3: A plasmonic Z-scheme visible light photocatalyst | |
| CN104966842B (en) | A kind of water oxidation reaction catalyst and preparation method thereof based on porous carbon materials | |
| Yang et al. | Petal-biotemplated synthesis of two-dimensional Co3O4 nanosheets as photocatalyst with enhanced photocatalytic activity | |
| CN104724734B (en) | A kind of manufacture lightweight, high-specific surface area, the method for bouquet type nano-sized magnesium hydroxide | |
| CN105883748A (en) | Highly-graphitized carbon nanowire ball material and preparation method thereof | |
| Karpuraranjith et al. | Hierarchical ultrathin layered MoS2@ NiFe2O4 nanohybrids as a bifunctional catalyst for highly efficient oxygen evolution and organic pollutant degradation | |
| Yan et al. | Effect of adding TiO2, SiO2 and graphene on of electrochemical hydrogen storage performance and coulombic efficiency of CoAl2O4 spinel | |
| CN103123869A (en) | Method used for preparing nano titanium dioxide-graphene composite material provided with three-dimensional multi-hole structure and products | |
| CN101417820B (en) | Method for preparing multi-morphology nano manganese dioxide | |
| Huang et al. | Hierarchical CoFe LDH/MOF nanorods array with strong coupling effect grown on carbon cloth enables efficient oxidation of water and urea | |
| Tang et al. | Ni-Co layered double hydroxide nanosheet array on nickel foam coated graphene for high-performance asymmetric supercapacitors | |
| CN102649590A (en) | Method for preparing mesoporous material NiAl2O4 without specific surface active agent | |
| Feng et al. | Co3xCu3-3x (PO4) 2 microspheres, a novel non-precious metal catalyst with superior catalytic activity in hydrolysis of ammonia borane for hydrogen production | |
| Zhang et al. | Dual-functional catalytic materials: magnetically hollow porous Ni-manganese oxides microspheres/cotton cellulose fiber | |
| Hao et al. | Synthesis of cobalt vanadium nanomaterials for efficient electrocatalysis of oxygen evolution | |
| Zhu et al. | Intrinsically morphological effect of perovskite BaTiO3 boosting piezocatalytic uranium extraction efficiency and mechanism investigation | |
| Zhang et al. | Ternary NiMoCo alloys and fluffy carbon nanotubes grown on ZIF-67-derived polyhedral carbon frameworks as bifunctional electrocatalyst for efficient and stable overall water splitting |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171113 Address after: Two road 523000 in Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone headquarters No. 2 District 1 Building 1 room 1001 Patentee after: Guangdong Branch Road heat source technology Co. Ltd. Address before: 230601 School of chemistry and chemical engineering, Anhui University, Jiulong Road, Anhui, Hefei, China Patentee before: Anhui University |