CN106229165A - NiCo for ultracapacitor2o4@MnMoO4nucleocapsid structure porous nanometer material and preparation method thereof - Google Patents
NiCo for ultracapacitor2o4@MnMoO4nucleocapsid structure porous nanometer material and preparation method thereof Download PDFInfo
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- CN106229165A CN106229165A CN201610837499.0A CN201610837499A CN106229165A CN 106229165 A CN106229165 A CN 106229165A CN 201610837499 A CN201610837499 A CN 201610837499A CN 106229165 A CN106229165 A CN 106229165A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a kind of NiCo for ultracapacitor2O4@MnMoO4Nucleocapsid structure porous nanometer material and preparation method thereof, described NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material includes nuclear core part and outer layer ledge, forms multilevel hierarchy, and nuclear core is NiCo2O4Nano wire, and this nuclear core nano wire is closely grown in substrate surface in the way of cubical array;Outer layer ledge is MnMoO4Nanometer sheet, and the growing nonparasitically upon another plant in nuclear core NiCo of densification2O4On nano wire, and crisscross formation vesicular texture.The method that the present invention uses two-step hydrothermal route to react prepares NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material, technique is simple and clear and easily operated, can realize large-scale industrial production.The NiCo that the present invention prepares2O4@MnMoO4Nucleocapsid structure porous nanometer material, has the highest ratio electric capacity, it may have preferably multiplying power property and cyclical stability, and electrochemical stability is good, is the electrode material for super capacitor of a kind of excellence, can be used for the ultracapacitor product of high-energy-density.
Description
Technical field
The present invention relates to the field of electrode material for super capacitor, particularly to a kind of binary gold for ultracapacitor
Belong to oxide combination electrode material and preparation method thereof.
Background technology
Along with the fast development of global economy, the fossil energy such as oil, natural gas constantly consumes, and environmental pollution day is increasingly
Play, the sustainable development of economy and society is severely impacted.To this end, people actively find and develop various clean energy resource, as
Solar energy, wind energy, tide energy, nuclear energy, bioenergy etc..At energy field, efficiently, low cost, the long-life, the eco-friendly energy
Storage system is extremely important.Wherein, ultracapacitor is novel between traditional capacitor and secondary cell of a kind of performance
Energy storage device, has an advantage that power density is high, is equivalent to 5-10 times of battery;Charge/discharge rates is fast, can be at several seconds to several
Complete in minute;Temperature range width, can work under-40 ~ 70 DEG C of environment;Have extended cycle life;Non-maintaining, environmental protection.Therefore,
Ultracapacitor is increasingly subject to extensive concern, leads with military affairs etc. in consumer electronics, electric power, machinery, new-energy automobile, space flight and aviation
All there is huge application prospect in territory.
Ultracapacitor is mainly made up of positive and negative two electrodes, collector, barrier film and four parts of electrolyte, wherein affects
The most crucial factor of ultracapacitor chemical property is electrode material.How to obtain the electrode material that performance is more excellent, be scientific research
Personnel do one's utmost the difficult problem captured.Design electrode material for super capacitor, should include following character: (1) specific surface area wants big, to obtain
Obtain more active site;(2) to have suitable pore-size distribution, gap network, and the length in hole, to promote that ion expands at a high speed
Dissipate;(3) in electrode, internal conductance wants height, to provide effective charge transfer;(4) chemical property and mechanical stability to be got well,
To obtain good cycle performance.
According to the mode of energy storage, ultracapacitor can be divided into two kinds.One, double layer capacitor, electrode material master
If material with carbon element, in the electrolyte, electric charge is separated from each other, and produces an electric double layer, the type on carbon electrode/electrolyte interface
Capacitor storage electric charge relies on the electric double layer of electrode and electrolyte interface to realize, the only accumulation of static electricity of surface charge, institute
Relatively low with specific capacity of double-layer capacitor.Its two, Faradic pseudo-capacitor, also referred to as pseudocapacitors, generally with oxo transition metal
Compound and conducting polymer, as electrode material, utilize the electrochemical redox reaction of fast electric active substance or at electrode table
The quick adsorption desorption in face stores electric charge, completes charge and discharge process, and the ratio electric capacity of pseudocapacitors is higher.
At present, the energy density of ultracapacitor is the most on the low side, and this is to restrict its wide variety of key and bottleneck.
Improve super capacitor energy density it is crucial that improve electrode material ratio electric capacity, compared with double layer capacitor, fake capacitance
Device electrode material has significantly higher ratio electric capacity, is the focuses researched and developed of people.At present, people are for pseudocapacitors electrode material
Research and development be mainly transition metal oxide, but single transition metal oxide than electric capacity by bigger restriction, do not reach
The demand of ultracapacitor high-energy-density.Thus, people are by the binary oxide of target diversion transition metal, even different
The composite of transition metal binary oxide, to improving the combination property of electrode material, particularly ratio electric capacity, thus promotes
The performance of ultracapacitor.
In numerous binary oxides, NiCo2O4And MnMoO4It is special two kinds of comparison.Binary oxide NiCo2O4Cause
For unit oxide Co than its correspondence in electric conductivity3O4With the raising that NiO has at least one order of magnitude, thus become more
Preferably battery or electrode material for super capacitor, its Elements C o simultaneously, Ni can regulate with arbitrary proportion, thus can be formed
Component continuous print Series oxides, thus there is continuously adjustable chemistry, physical property.MnMoO4Also there is NiCo2O4Similar
Feature, is a kind of new binary oxide recently having been investigated as electrode material for super capacitor.NiCo2O4And MnMoO4Two
The Heterogeneous Composite planting material will form heterojunction structure, it is expected to some cooperative effects occurs, makes full use of these synergism and bring
Performance may obtain preferable material, the composite construction therefore preparing both materials is significant.The present invention
Design NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material, and use hydrothermal method to synthesize, there is loose structure,
It is effectively increased specific surface area and the space availability ratio of electrode, improves the ratio electric capacity of combination electrode material, there is good electricity
Chemical property, is the electrode material for super capacitor of a kind of excellence.
Summary of the invention
Present invention aims to actual demand, it is provided that a kind of NiCo for ultracapacitor2O4@MnMoO4Core
Shell structure porous nanometer material and preparation method thereof.
A kind of NiCo for ultracapacitor that the present invention provides2O4@MnMoO4Nucleocapsid structure porous nanometer material and
Preparation method, described NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material, including nuclear core part and outer layer ledge,
Forming multilevel hierarchy, nuclear core is NiCo2O4Nano wire, and this nuclear core nano wire is closely grown in base in the way of cubical array
Basal surface;Outer layer ledge is MnMoO4Nanometer sheet, and the growing nonparasitically upon another plant in nuclear core NiCo of densification2O4On nano wire and crisscross
Form vesicular texture.
Further, described NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material, its nuclear core part NiCo2O4Nanometer
Linear diameter is about 90 ~ 140nm, outer layer ledge MnMoO4Nanoscale twins thickness is 50 ~ 160nm, the NiCo ultimately formed2O4@
MnMoO4Core-shell structured nanomaterials has a thicker nano wire pattern, a diameter of 140 ~ 300nm, and from bottom to top progressively
Attenuate.
Present invention also offers and prepare above-mentioned NiCo2O4@MnMoO4The preparation method of nucleocapsid structure porous nanometer material, bag
Include following steps:
1) Ni (NO that mol ratio is 5:2.5:9:2 is weighed3)2、Co(NO3)2、CO(NH2)2, CTAB raw material, be dissolved in deionization
Water, stirs under room temperature, is configured to transparent homogeneous precursor solution, the precursor solution configured is transferred to reactor
In, with nickel foam as substrate, immerse the substrate in the solution in reactor, be then placed in baking oven carrying out hydro-thermal reaction,
Reaction temperature 110 ~ 130 DEG C, response time 6 ~ 9h, react and take out substrate after terminating and clean drying, be placed in tube furnace annealing,
Annealing temperature 300 DEG C, annealing time 3h, obtain NiCo2O4Nano wire
2) NaMoO that mol ratio is 1:1 is weighed4、MnCl2∙4H2O raw material, is dissolved in deionized water, is evenly stirred until the most molten
Solving, then transfer the solution in reactor, length step 1) obtained has NiCo2O4The nickel foam of nano wire immerses in solution,
Hydro-thermal reaction again in the baking oven being then placed into, reaction temperature 90 ~ 110 DEG C, response time 10 ~ 30min, reaction takes after terminating
Go out substrate cleaning to dry, the nickel foam substrate after secondary hydro-thermal is made annealing treatment in being placed in tube furnace, annealing temperature
300 DEG C, annealing time 3h, obtain NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material.
The useful achievement of the present invention is:
(1) NiCo that the present invention proposes2O4@MnMoO4Nucleocapsid structure porous nanometer material, for NiCo2O4And MnMoO4Two kinds of transition
The composite of metal binary oxide, thus had NiCo concurrently2O4And MnMoO4The advantageous feature of bi-material, not only has
Higher electrical conductivity, it is provided that significantly more efficient charge transfer, and its heterogeneous interface can form new cooperative effect, it is thus achieved that more preferably
Chemical property.
(2) NiCo that the present invention proposes2O4@MnMoO4Nucleocapsid structure porous nanometer material, has cavernous nanometer rods knot
Configuration state, the gap between each nanometer rods is conducive to electrolyte to permeate to electrode interior, and the cavernous structure of nanorod surfaces has
Be beneficial to increase electrode specific surface area, increase contacting of electrolyte and electrode material, it is thus achieved that more active site, this pattern and
Aperture and distribution of sizes are very beneficial for promoting the high speed diffusion of ion, and obtain high chemical property.
(3) NiCo that the present invention proposes2O4@MnMoO4Nucleocapsid structure porous nanometer material, has the highest ratio electric capacity, also
Having preferable multiplying power property and cyclical stability, electrochemical stability is good, is the electrode of super capacitor material of a kind of excellence
Material, can be used for the ultracapacitor product of high-energy-density.
(4) method that the present invention uses Hydrothermal Synthesis, it is not necessary to complex device, raw materials used inexpensive, technique is simple and clear and easy
In operation, large-scale industrial production can be realized.
Accompanying drawing explanation
Fig. 1 is the NiCo that embodiment 2 prepares2O4Scanning electron microscope (SEM) figure of nano wire;
Fig. 2 is the NiCo that embodiment 2 prepares2O4@MnMoO4Scanning electron microscope (SEM) figure of nucleocapsid structure porous nanometer material;
Fig. 3 is the NiCo that embodiment 2 prepares2O4Nano-material constant-current discharge figure under 5 ~ 10mA electric current density;
Fig. 4 is the NiCo that embodiment 2 prepares2O4@MnMoO4Nucleocapsid structure porous nanometer material perseverance under 5 ~ 10mA electric current density
Banish electrograph;
Fig. 5 is the NiCo that embodiment 2 prepares2O4Nano-material and NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material exists
Ratio capacitance values comparison diagram under different electric current densities.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
1) Ni (NO that mol ratio is 5:2.5:9:2 is weighed3)2、Co(NO3)2、CO(NH2)2, CTAB(Hexadecyltrimethyl
Ammonium Bromide) raw material, it is dissolved under deionized water, room temperature and stirring, be configured to transparent homogeneous presoma molten
Liquid, transfers to the precursor solution configured in teflon-lined reactor, with nickel foam as substrate, is soaked by substrate
Entering in the solution in reactor, be then placed in baking oven in 110 DEG C of hydro-thermal reactions 6h, reaction is taken out substrate after terminating and washes
Clean drying, is placed in tube furnace at 300 DEG C annealing 3h, obtains NiCo2O4Nano wire.
2) NaMoO that mol ratio is 1:1 is weighed4, MnCl2∙4H2O raw material, is dissolved in deionized water, is evenly stirred until all
Dissolving, then transfer the solution in teflon-lined reactor, length step 1) obtained has NiCo2O4Nano wire
Nickel foam immerse in solution, in 90 DEG C of hydro-thermal reactions 10min again in the baking oven being then placed into, reaction takes out lining after terminating
Drying is also cleaned in the end, and be again placed in tube furnace annealing at 300 DEG C 3h by the nickel foam substrate after secondary hydro-thermal, obtains
NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material.
Embodiment 2
1) Ni (NO that mol ratio is 5:2.5:9:2 is weighed3)2, Co (NO3)2, CO (NH2)2, CTAB raw material, it is dissolved in deionization
Water, stirs under room temperature, is configured to transparent homogeneous precursor solution, the precursor solution configured is transferred to polytetrafluoro
In the reactor of ethylene liner, with nickel foam as substrate, immerse the substrate in the solution in reactor, be then placed into baking oven
In in 120 DEG C of hydro-thermal reactions 7h, substrate cleaning is taken out in reaction after terminating dries, and is placed in tube furnace at 300 DEG C the 3h that anneals,
Obtain NiCo2O4Nano wire
2) NaMoO that mol ratio is 1:1 is weighed4, MnCl2∙4H2O raw material, is dissolved in deionized water, is evenly stirred until the most molten
Solving, then transfer the solution in teflon-lined reactor, length step 1) obtained has NiCo2O4Nano wire
Nickel foam immerses in solution, and in 100 DEG C of hydro-thermal reactions 30min again in the baking oven being then placed into, reaction takes out lining after terminating
Drying is also cleaned in the end, and be again placed in tube furnace annealing at 300 DEG C 3h by the nickel foam substrate after secondary hydro-thermal, obtains
NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material.
Embodiment 3
1) Ni (NO that mol ratio is 5:2.5:9:2 is weighed3)2, Co (NO3)2, CO (NH2)2, CTAB raw material, it is dissolved in deionization
Water, stirs under room temperature, is configured to transparent homogeneous precursor solution, the precursor solution configured is transferred to polytetrafluoro
In the reactor of ethylene liner, with nickel foam as substrate, immerse the substrate in the solution in reactor, be then placed into baking oven
In in 130 DEG C of hydro-thermal reactions 9h, substrate cleaning is taken out in reaction after terminating dries, and is placed in tube furnace at 300 DEG C the 3h that anneals,
Obtain NiCo2O4Nano wire.
2) NaMoO that mol ratio is 1:1 is weighed4, MnCl2∙4H2O is dissolved in deionized water, is evenly stirred until all dissolvings, so
After transfer the solution in teflon-lined reactor, length step 1) obtained has NiCo2O4The nickel foam of nano wire
Immersing in solution, in 110 DEG C of hydro-thermal reactions 20min again in the baking oven being then placed into, reaction is taken out substrate after terminating and washes
Clean drying, be again placed in tube furnace annealing at 300 DEG C 3h by the nickel foam substrate after secondary hydro-thermal, obtains NiCo2O4@
MnMoO4Nucleocapsid structure porous nanometer material.
Performance test:
1) SEM test: the sample that the various embodiments described above preparation finally gives is observed under a scanning electron microscope.Fig. 1 is real
Execute the NiCo that example 2 step 1) prepares2O4The scanning electron microscope (SEM) photograph of nano wire;Fig. 2 is the NiCo that embodiment 2 prepares2O4@MnMoO4Core
The scanning electron microscope (SEM) photograph of shell structure porous nanometer material, it can be seen that NiCo2O4@MnMoO4In nucleocapsid structure, including nuclear core part
With outer layer ledge, forming multilevel hierarchy, nuclear core is NiCo2O4Nano wire, and this nuclear core nano wire is in the way of cubical array
Closely it is grown in substrate surface;Outer layer ledge is MnMoO4Nanometer sheet, and the growing nonparasitically upon another plant in nuclear core NiCo of densification2O4Nanometer
On line, and crisscross formation vesicular texture;Its nuclear core part NiCo2O4Nanowire diameter is about 90 ~ 140nm, and outer layer highlights
Part MnMoO4Nanoscale twins thickness is 50 ~ 160nm, the NiCo ultimately formed2O4@MnMoO4Core-shell structured nanomaterials has
Thicker nano wire pattern, a diameter of 140 ~ 300nm, and progressively attenuate to top from bottom.
2) electrochemical property test:
If Fig. 3 is the NiCo that embodiment 2 step 1) prepares2O4Nano-material constant-current discharge under 5 ~ 10mA electric current density
Figure;Fig. 4 is the NiCo that embodiment 2 finally prepares2O4@MnMoO4Nucleocapsid structure porous nanometer material is under 5 ~ 10mA electric current density
Constant-current discharge figure;Fig. 5 is the NiCo that embodiment 2 prepares2O4Nano-material and NiCo2O4@MnMoO4Nucleocapsid structure porous is received
Rice material ratio capacitance values comparison diagram under different electric current densities, under 5mA electric current, NiCo2O4The area ratio of nano-material
Electric capacity is about 2.85F/cm2, NiCo2O4@MnMoO4The area ratio electric capacity of nucleocapsid structure porous nanometer material is about 4.91F/cm2,
NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material than electric capacity apparently higher than NiCo2O4Nano-material, both has relatively
Good multiplying power property, it may have preferably cyclical stability.
The present invention uses rational material microstructure to design, and by the diauxic growth of nanostructured, forms secondary structure, outward
Layer MnMoO4Nanometer sheet is grown in internal layer NiCo in the way of growing nonparasitically upon another plant2O4On nano wire, define the nanostructured of various dimensions, from
And constitute more hole being conducive to electrolyte exchange, improve the specific surface area of active material;Meanwhile, compared to simple
NiCo2O4Nano wire, NiCo2O4@MnMoO4Core-shell structured nanomaterials can significantly more efficient raising collector unit volume
Space availability ratio, thus increase the active material load capacity of the unit volume of active material;Thus, compared to simple NiCo2O4
Nano line electrode, the heterogeneous NiCo of the application present invention2O4@MnMoO4Electrode of super capacitor prepared by core-shell structured nanomaterials
Area specific volume and quality specific volume all increase significantly.
Claims (5)
1. for the NiCo of ultracapacitor2O4@MnMoO4Nucleocapsid structure porous nanometer material, it is characterised in that: described
NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material includes nuclear core part and outer layer ledge, forms multilevel hierarchy, nuclear core
For NiCo2O4Nano wire, and this nuclear core nano wire is closely grown in substrate surface in the way of cubical array;Outer layer protuberance
It is divided into MnMoO4Nanometer sheet, and the growing nonparasitically upon another plant in nuclear core NiCo of densification2O4On nano wire, and crisscross formation vesicular texture.
NiCo for ultracapacitor the most according to claim 12O4@MnMoO4Nucleocapsid structure porous nanometer material, its
It is characterised by nuclear core part NiCo2O4Nanowire diameter is about 90 ~ 140nm;Outer layer ledge MnMoO4Nanoscale twins thickness is
50~160nm;The NiCo ultimately formed2O4@MnMoO4Nucleocapsid structure porous nanometer material has a nano wire pattern, a diameter of 140 ~
300nm, and progressively attenuate to top from bottom.
3. the preparation NiCo for ultracapacitor described in claim 1 or 22O4@MnMoO4Nucleocapsid structure porous nanometer material
Method, it is characterised in that comprise the steps:
1) Ni (NO is weighed3)2, Co (NO3)2, CO (NH2)2, CTAB be dissolved under deionized water, room temperature stir be configured to transparent
Homogeneous precursor solution, transfers to the precursor solution configured in teflon-lined reactor, will be the most accurate
The substrate got ready is immersed in the solution in reactor, is then placed in baking oven carrying out hydro-thermal reaction;Reaction is taken out after terminating
Substrate also cleans drying, at substrate forms NiCo after being annealed by substrate in tube furnace2O4Nano wire;Wherein, raw material Ni
(NO3)2、Co(NO3)2、CO(NH2)2, CTAB mol ratio be 5:2.5:9:2;
2) NaMoO is weighed4, MnCl2 4H2O is dissolved in deionized water, wherein NaMoO4、MnCl2 4H2O mol ratio 1:1, stirs
To all dissolving, then transferring the solution in teflon-lined reactor, length step 1) obtained has NiCo2O4
The substrate of nano wire immerses in solution, hydro-thermal reaction again in the baking oven being then placed into;Reaction is taken out substrate after terminating and washes
Clean drying, and make annealing treatment, obtain NiCo2O4@MnMoO4Nucleocapsid structure porous nanometer material.
The most according to claim 3 for the NiCo of ultracapacitor2O4@MnMoO4The system of nucleocapsid structure porous nanometer material
Preparation Method, it is characterised in that: in step 1), the temperature of hydro-thermal reaction is 110-130 DEG C, and the response time is 6-9h.
The most according to claim 3 for the NiCo of ultracapacitor2O4@MnMoO4The system of nucleocapsid structure porous nanometer material
Preparation Method, it is characterised in that: step 2) in the temperature of hydro-thermal reaction be 90-110 DEG C, the response time is 10-30min.
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