CN107117660A - The synthetic method of the ultra-thin mesoporous beta nickel hydroxide nano piece of high dispersive - Google Patents
The synthetic method of the ultra-thin mesoporous beta nickel hydroxide nano piece of high dispersive Download PDFInfo
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- CN107117660A CN107117660A CN201710311455.9A CN201710311455A CN107117660A CN 107117660 A CN107117660 A CN 107117660A CN 201710311455 A CN201710311455 A CN 201710311455A CN 107117660 A CN107117660 A CN 107117660A
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- mesoporous beta
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- 238000010189 synthetic method Methods 0.000 title claims abstract description 17
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000013019 agitation Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 9
- 238000009938 salting Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000002244 precipitate Substances 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 230000002349 favourable effect Effects 0.000 claims abstract description 6
- 239000013049 sediment Substances 0.000 claims abstract description 6
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 5
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000003786 synthesis reaction Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 238000005304 joining Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000003019 stabilising effect Effects 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000007772 electrode material Substances 0.000 description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 7
- 206010001497 Agitation Diseases 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011263 electroactive material Substances 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 nanosizing Substances 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C01P2004/24—Nanoplates, i.e. plate-like particles with a thickness from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the synthesis of new energy nano material and electrochemical technology field there is provided a kind of synthetic method of the ultra-thin mesoporous beta nickel hydroxide nano piece of high dispersive, the synthetic method is carried out according to the following steps：A, first by soluble bivalent inorganic salt M2+Y, which is dissolved in deionized water, is configured to salting liquid；B, is preparing aqueous slkali using routine techniques, under magnetic agitation effect, is rapidly joining salting liquid to generating nickel hydroxide precipitate；C, by the sediment of generation along with ultrasonic centrifuge washing to cleaning solution pH value for neutrality；D, the final precipitation washed is scattered in a solvent, the translucent of favorable dispersibility can be formed, stabilising system can be formed under different concentration；Its preparation technology is simple, and raw material is convenient, reproducible, and cost is low, and production environment is friendly, has broad application prospects.
Description
Technical field：
The invention belongs to the synthesis of new energy nano material and electrochemical technology field, it is related to a kind of high dispersive ultra-thin mesoporous
The electrochemical energy storage materials synthetic method of β-nickel hydroxide nano piece, this material is in the energy storage such as catalysis and battery, ultracapacitor
The fields such as equipment have broad application prospects.
Background technology：
β-nickel hydroxide is as a class transition metal hydroxide, with nontoxic, environment-friendly, easily prepared and catalysis
The advantages of performance is good, theoretical specific capacity is high, has in the energy storage devices such as catalysis, battery and ultracapacitor before wide application
Scape.There are hydro-thermal method, complexed-precipitation method etc., the hydrogen that current synthetic method comes out using the method for synthesis β-nickel hydroxide at present
Nickel oxide has different patterns：There is certain lack in particle, nano wire, nanotube, nanosizing, nanosphere etc., these patterns
Point, such as size are big, poorly conductive, and ion diffusion rates are slow when as electroactive material, the nickel hydroxide aggregation feelings of synthesis
Condition is serious, and nickel hydroxide active matter utilization is insufficient, is applied as electroactive material in electrokinetic cell, ultracapacitor
During with the field such as energy-storage battery, cause electrode electro Chemical poor performance, mechanical stability is poor, and high rate performance is poor.Height in solution
It is scattered, be conducive to wet processing, had a wide range of applications in terms of e-coat, so seeking the ultra-thin mesoporous beta-hydrogen of high dispersive
Nickel oxide nano piece becomes a current study hotspot, and the ultra-thin mesoporous beta of synthesis high dispersive-nickel hydroxide nano piece turns into
Main flow direction, but most synthetic method craft is cumbersome at present, raw material is complicated, the shortcomings of environment is unfriendly.Therefore, seek
Ask design a kind of simple, reproducible, the environment-friendly ultra-thin mesoporous beta of the high dispersive-nickel hydroxide nano piece of synthetic method and its
The electrochemistry and catalytic performance that layer structure and quick proton diffusion are brought is widely used in electrokinetic cell, super
The field such as capacitor and energy-storage battery has broad application prospects.
The content of the invention：
It is an object of the invention to overcome the shortcoming that existing synthetic method is present, a kind of high dispersive of design offer is provided and surpassed
The synthetic method of thin mesoporous beta-nickel hydroxide nano piece.
To achieve these goals, the present invention first with magnetic agitation and in centrifugal process along with after ultrasonically treated
The ultra-thin mesoporous beta of high dispersive-nickel hydroxide nano piece is obtained, specific synthetic method is as follows：
(1), by soluble bivalent inorganic salt M2+Y, which is dissolved in deionized water, is configured to concentration for 0.15mol L-1-5mol
L-1Salting liquid；
(2) aqueous slkali, is prepared using routine techniques, the aqueous slkali of preparation is 0.15mol L-1-5mol L-1。
(3), under magnetic agitation effect, salting liquid is rapidly joined to generating nickel hydroxide precipitate, 20 DEG C of reaction temperature,
Reaction time 20min.
(4), by the sediment of generation along with ultrasonic centrifuge washing to cleaning solution pH value for neutrality, different grains from
Particle diameter under heart ultrasound washing is different with zeta potential.
(5), the final precipitation washed is disperseed in a solvent, the translucent of favorable dispersibility to be formed,
0.1mg mL-1, 3.5mg mL-1, 5mg mL-1, 10mg mL-1, 20mg mL-1, 50mg mL-1In the aqueous solution, the grain of test substances
Footpath and zeta potential Value Datas understand that the stability of dispersion liquid is all very good, can be dispersed in, water, N, N- dimethyl methyls
In acid amides, ethanol, and can it is corresponding with the size of β-nickel hydroxide of TEM figures on, average-size is in 40nm or so.
Beneficial effect：
1st, of the invention this method is easily operated compared with existing synthetic method, and reaction temperature is low, and preparation process is environmentally friendly, be prepared into
This is relatively low.Along with ultrasound using magnetic agitation and in centrifugal process, the ultra-thin mesoporous beta-nickel hydroxide of high dispersive can be obtained
Nanometer sheet, lateral dimension size is between 10-70nm, and average-size is in 40nm；
2nd, the ultra-thin mesoporous beta of high dispersive-nickel hydroxide nano piece of synthesis has excellent chemical property, and synthesis step is simple,
Raw material environmental protection, favorable repeatability, its excellent electrochemistry and catalytic performance are widely used in electrokinetic cell, super capacitor
The field such as device and energy-storage battery has broad application prospects.
Brief description of the drawings
The scanning electron microscope (SEM) photograph for β-nickel hydroxide electrode material that Fig. 1 is prepared for the present invention.
The scanning electron microscope (SEM) photograph distribution statisticses figure for β-nickel hydroxide electrode material that Fig. 2 is prepared for the present invention.
The high power stereoscan photograph for β-nickel hydroxide electrode material that Fig. 3 is prepared for the present invention.
The X-ray diffraction spectrum for β-nickel hydroxide electrode material that Fig. 4 is prepared for the present invention.
β-nickel hydroxide electrode material nitrogen adsorption desorption curve that Fig. 5 is prepared for the present invention.
Fig. 6 is the β-nickel hydroxide of the invention prepared without centrifuging zeta current potentials during number of times.
Fig. 7 is the β-nickel hydroxide of the invention prepared without centrifuging particle diameter during number of times.
Fig. 8 is for β-nickel hydroxide for preparing of the present invention before ultrasound and 3.5mg mL-1After ultrasound under different dispersions
Photo.
Fig. 9 is the β-nickel hydroxide of the invention prepared in 3.5mg mL-1Water, DMF, in ethanol
Zeta current potentials.
Zeta current potentials of the Figure 10 for the β-nickel hydroxide of the invention prepared in water and ethanol under various concentrations.
Particle diameters of the Figure 11 for the β-nickel hydroxide of the invention prepared in water and ethanol under various concentrations.
Concentration of the Figure 12 for the β-nickel hydroxide of the invention prepared in water is respectively 5mg mL-1, 10mg mL-1, 20mg
mL-1, 50mg mL-1Photo.
The flexible displaying of the high dispersive β that Figure 13 is prepared for the present invention-nickel hydroxide ink.
Embodiment
Embodiment is enumerated below and the above and feature of the present invention are carried out in more detail more specifically with reference to accompanying drawing
It is bright.
Embodiment 1：
The concrete technology step of the implementation case is：
(1), by Ni (NO3)2.6H2O, which is dissolved in 10ml deionized waters, is configured to concentration for 0.15mol L-1Salting liquid；
(2) routine techniques, is used to prepare 20ml concentration for 0.15mol L-1Sodium hydroxide solution.
(3) nickel nitrate solution, is rapidly joined in sodium hydroxide solution, is reacted under the effect of 900rpm magnetic agitations
20min is to generating nickel hydroxide precipitate, 20 DEG C of reaction temperature.
(4) it is, neutrality along with the pH value of ultrasonic centrifuge washing to cleaning solution by the sediment of generation.
(5) it is, that the final precipitation washed is scattered in a solvent, the translucent of favorable dispersibility, water conduct can be formed
Dispersion concentration is 0.1mg mL-1.The particle diameter and zeta potential Value Datas of test substances understand, dispersion liquid it is steady
It is qualitative all very good, and can it is corresponding with the size of β-nickel hydroxide of TEM figures on, average-size is in 40nm or so.
(6), Fig. 1 is the ESEM for β-nickel hydroxide electrode material that the present embodiment is obtained, and shows the β-hydroxide
Nickel electrode material basic composition is ultrathin nanometer piece of the diameter in 10-70nm or so.Fig. 2 is β-hydrogen that the present embodiment is obtained
The dendrogram that nickel oxide electrode material comes out according to scanning electron microscope (SEM) photograph, average grain diameter is in 40nm or so.Fig. 3 is this implementation
β-nickel hydroxide electrode material high power ESEM that example is obtained, is β-hydrogen-oxygen that explainable the present embodiment is obtained according to the figure
It is meso-hole structure to change nickel.The XRD spectrum for β-nickel hydroxide electrode material that Fig. 4 obtains for the present embodiment, the spectrogram and standard
β-nickel hydroxide characteristic peak is corresponding upper and illustrates that this synthetic method is β-nickel hydroxide.Fig. 5 is β-hydrogen that the present embodiment is obtained
The nitrogen adsorption desorption figure of nickel oxide electrode material, it was demonstrated that be mesoporous material.
Embodiment 2：
The concrete technology step of the implementation case is：
(1), by Ni (NO3)2.6H2O, which is dissolved in 10ml deionized waters, is configured to concentration for 1mol L-1Salting liquid；
(2) routine techniques, is used to prepare 20ml concentration for 1mol L-1Sodium hydroxide solution.
(3) nickel nitrate solution, is rapidly joined in sodium hydroxide solution, is reacted under the effect of 900rpm magnetic agitations
20min is to generating nickel hydroxide precipitate, 20 DEG C of reaction temperature.
(4) it is, neutrality along with the pH value of ultrasonic centrifuge washing to cleaning solution by the sediment of generation.
(5) the final precipitation washed, is dispersed in water, DMF, ethanol, dispersiveness can be formed good
Good translucent, 3.5mg mL-1In the aqueous solution.
(6), different grains centrifuge ultrasound washing under particle diameter it is different with zeta current potentials, centrifuge four times, each time from
Zeta current potentials are different under heart shaped state, Fig. 6, with the increase of centrifugation number of times, zeta potential value more and more highers.Fig. 7, with centrifugation
The increase of number of times, particle diameter is being gradually reduced, and final test is in aqueous dispersion 0.1mg mL-1The particle diameter of lower test is substantially
With projection Electronic Speculum test~40nm it is corresponding on.Fig. 8 is the obtained β-nickel hydroxide electrode material of the present embodiment not ultrasonic
Before (a) and ultrasound after respectively water (b), DMF (c), ethanol (d) 3.5mg mL-1Photo figure.Fig. 9
β-nickel hydroxide electrode material for obtaining for the present embodiment is in final dispersion water, DMF, ethanol
3.5 mg mL-1Zeta potential diagrams, with the reduction of polarity, zeta potential values are gradually reduced.
Embodiment 3：
The concrete technology step of the implementation case is：
(1), by Ni (NO3)2.6H2O, which is dissolved in 10ml deionized waters, is configured to concentration for 5mol L-1Salting liquid；
(2) routine techniques, is used to prepare 20ml concentration for 5mol L-1Sodium hydroxide solution.
(3) nickel nitrate solution, is rapidly joined in sodium hydroxide solution, is reacted under the effect of 900rpm magnetic agitations
20min is to generating nickel hydroxide precipitate, 20 DEG C of reaction temperature.
(4) it is, neutrality along with the pH value of ultrasonic centrifuge washing to cleaning solution by the sediment of generation.
(5) the final precipitation washed, is dispersed in water, ethanol, the translucent of favorable dispersibility can be formed, respectively
0.1mg mL are formed in water, ethanol-1, 3.5mg mL-1, 5mg mL-1, 10mg mL-1, 20mg mL-1, 50mg mL-1It is scattered
System, Figure 10 is zeta potential diagram of the obtained β-nickel hydroxide electrode material of the present embodiment in water, ethanol.Figure 11 is this
Grain-size graph of the β-nickel hydroxide electrode material that embodiment is obtained in water, ethanol.Figure 12 is β-hydrogen-oxygen that the present embodiment is obtained
Change the photo of various concentrations of the nickel electrode material in the case where water is as dispersion, concentration is 3.5mg mL respectively-1, 10mg mL-1, 20mg mL-1, 50mg mL-1.Figure 13 is β-nickel hydroxide electrode material high dispersive β-nickel hydroxide that the present embodiment is obtained
The flexible displaying figure of ink, is evenly coated on A4 paper, can be cut into any shape, the potentiality of high flexibility are shown, with it
His ink is on the contrary, β-nickel hydroxide ink can be etched selectively to out by 1M hydrochloric acid solutions, without damaging substrate.
Claims (3)
1. a kind of synthetic method of the ultra-thin mesoporous beta of high dispersive-nickel hydroxide nano piece, generates hydrogen under magnetic agitation effect first
Nickel oxide precipitates, then along with ultrasound obtains ultra-thin mesoporous beta-nickel hydroxide in centrifugal process.Specifically synthetic method step is：
(1) by soluble bivalent inorganic salt M2+Y, which is dissolved in deionized water, is configured to concentration for 0.15mol L-1-5mol L-1Salt
Solution；
(2) aqueous slkali, is prepared using routine techniques, the aqueous slkali of preparation is 0.15mol L-1-5mol L-1；
(3) under magnetic agitation effect, salting liquid is rapidly joined to generating nickel hydroxide precipitate, 20 DEG C of reaction temperature, during reaction
Between 20min；
(4) it is neutrality along with the pH value of ultrasonic centrifuge washing to cleaning solution by the sediment of generation, in the ultrasonic water of different centrifugations
Particle diameter under washing is different with zeta potential；
(5) it is the final precipitation washed is scattered in a solvent, form the translucent of favorable dispersibility.
2. the synthetic method of the ultra-thin mesoporous beta of high dispersive-nickel hydroxide nano piece according to claim 1, it is characterised in that
In step (1), the concentration of bivalent inorganic salt is 0.15mol L-1Or 1mol L-1Or 5mol L-1。
3. the synthetic method of the ultra-thin mesoporous beta of high dispersive-nickel hydroxide nano piece according to claim 1, it is characterised in that
In step (1), the concentration of aqueous slkali is 0.15mol L-1Or 1mol L-1Or 5mol L-1。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716630A (en) * | 2021-09-08 | 2021-11-30 | 东南大学 | Preparation method and application of two-dimensional chiral nickel hydroxide nanosheet |
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| US5788943A (en) * | 1996-09-05 | 1998-08-04 | The Hall Chemical Company | Battery-grade nickel hydroxide and method for its preparation |
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- 2017-05-05 CN CN201710311455.9A patent/CN107117660B/en active Active
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| US5788943A (en) * | 1996-09-05 | 1998-08-04 | The Hall Chemical Company | Battery-grade nickel hydroxide and method for its preparation |
| CN1772629A (en) * | 2005-09-29 | 2006-05-17 | 华南理工大学 | Nanometer alpha-nickel hydroxide and its prepn |
| CN106186089A (en) * | 2016-07-11 | 2016-12-07 | 淮北师范大学 | A kind of preparation method with hole two-dimensional structure nickel hydroxide nano sheet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716630A (en) * | 2021-09-08 | 2021-11-30 | 东南大学 | Preparation method and application of two-dimensional chiral nickel hydroxide nanosheet |
| CN113716630B (en) * | 2021-09-08 | 2022-11-01 | 东南大学 | Preparation method and application of two-dimensional chiral nickel hydroxide nanosheet |
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