CN106653382A - Flexible electrode material and preparation method and application thereof - Google Patents
Flexible electrode material and preparation method and application thereof Download PDFInfo
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- CN106653382A CN106653382A CN201611213425.6A CN201611213425A CN106653382A CN 106653382 A CN106653382 A CN 106653382A CN 201611213425 A CN201611213425 A CN 201611213425A CN 106653382 A CN106653382 A CN 106653382A
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- heat conduction
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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
- H01G11/84—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- Y02E60/10—Energy storage using batteries
Abstract
The invention belongs to the technical field of energy devices, and discloses a high-thermal conductivity flexible electrode material and a preparation method and application thereof. The flexible electrode material comprises a high-thermal conductivity flexible substrate material and an active material loaded on the surface of the high-thermal conductivity flexible substrate material, wherein the thermal conductivity of the high-thermal conductivity flexible substrate material is over 100Wm<-1>K<-1>. According to the preparation method, the high-thermal conductivity flexible substrate material is adopted as a substrate, the active material is loaded on the surface of the substrate and the flexible substrate and the active material form a whole electrode material. The prepared flexible electrode material has flexibility, good conductivity and excellent thermal conductivity. Meanwhile, the preparation technology has the advantages that the process is simple and the device is convenient to assemble. According to the energy device assembled by the electrode material, effective heat management can be carried out, and the heat dissipation capability of the energy device is improved, thereby ensuring the stability, the security and the service life of the energy device when working.
Description
Technical field
The invention belongs to energy device technical field, and in particular to a kind of high heat conduction flexible electrode material and preparation method with
Using.
Background technology
With the development and the raising of living standards of the people of social economy, the demand of the energy is grown with each passing day, it is traditional
Fossil energy increasingly exhaustion, and they increasingly dislike in use to the negative effect that global climate and environment are brought
Change.In order to solve energy shortage and ecological problem, people are constantly searching for alternative clean energy resource.Water energy, wind energy, the sun
The regenerative resources such as energy, tide energy, geothermal energy become preferable alternative energy source, but these energy suffer from the limitation of its own
Property, such as there are problems that intermittent and Regional Distribution.Additionally, the extensive application of movable power source, such as electric automobile, electricity
Sub-energy resource device etc., is all to developing clean energy resource and improving the effective measure of environment.Therefore, energy efficiently, safe is developed
Storage facilities becomes a focus in current physicism field.
Electrochemical energy storage, including all kinds of batteries such as lead-acid battery, lithium ion battery, sodium-sulphur battery etc., and ultracapacitor
Energy storage, by the way that chemical energy is converted into electric energy, so as to provide energy supply for the external world, in national economy, scientific research and daily
Highly important effect has been played in life.
However, as the flexibility of energy device, miniaturization, higher energy storage density direction are developed, bringing increasing
Challenge.The quick discharge and recharge of energy device, adds the presence of itself internal resistance, can produce substantial amounts of heat.Meanwhile, too high environment
In the dynamical system of temperature, such as hybrid vehicle and electric automobile, need cooling system by environment temperature by 140 DEG C of declines
To 70 DEG C.The heat distributed in the dynamical system brings the stability worked energy device, security, life-span etc. seriously
Affect, will significantly weaken the actual application of energy storage device and development.At present, more employing carbon paper, foam metal, Graphene airsetting
The porous materials such as glue as carrier loaded active material to be prepared into the electrode material of energy device, although such electrode material
Electric conductivity is preferable, but its heat conductivility is poor.
The content of the invention
In order to improve the heat-sinking capability of electrochemical energy storing device, it is an object of the invention to provide a kind of high heat conduction flexible electrical
Pole material and preparation method and application.
A kind of flexible electrode material, including high heat conduction flexible matrix material and it is supported on the high heat conduction flexible matrix material
The active material on surface, wherein, the thermal conductivity of the high heat conduction flexible matrix material is 100Wm-1K-1More than.
Wherein in one embodiment, the high heat conduction flexible matrix material is high heat conduction graphene film or high heat conduction stone
Ink film.
Wherein in one embodiment, the active material is carbon activity material, transition metal oxide, transition metal hydrogen
At least one in oxide, transition metal carbide, transition metal nitride and conducting polymer.
A kind of preparation method of flexible electrode material, comprises the steps:
High heat conduction flexible matrix material is provided, wherein, the thermal conductivity of the high heat conduction flexible matrix material is 100Wm-1K-1
More than;
Active material is supported on into the high heat conduction flexible matrix material surface, the flexible electrode material is obtained.
Wherein in one embodiment, the high heat conduction flexible matrix material is high heat conduction graphene film or high heat conduction stone
Ink film.
Wherein in one embodiment, the high heat conduction graphene film is adopted and prepared with the following method:Shelled using electrochemistry
From Graphene is prepared or chemical oxidation stripping prepares graphene oxide, suction filtration or casting film technique are then passed through, respectively obtained
Graphene film or graphene oxide film, after heat treatment, obtain the high heat conduction graphene film.
Wherein in one embodiment, the concrete side that the graphene oxide film or graphene film are heat-treated
Method is:By the graphene oxide film or graphene film in 5%-20%H2In-Ar atmosphere, according to heating rate 5-10
DEG C/min, it is warming up to 800-1000 DEG C of insulation 0.5-2h and is heat-treated.
Wherein in one embodiment, active material is supported on into the high heat conduction flexible matrix material surface, obtains institute
In the step of stating flexible electrode material, using chemical in situ sedimentation, cladding process, dip coating, sputtering method or spraying process by activity
Material load is on the high heat conduction flexible matrix material surface.
Wherein in one embodiment, the active material is carbon activity material, conducting polymer, transiting metal oxidation
One or more in thing, transition metal carbide or transition metal nitride.
Wherein in one embodiment, when the active material is various, the various active material is born successively by layer
It is loaded in the high heat conduction flexible matrix material surface;Or after the various active material is mixed, by mixed active material
It is carried on the high heat conduction flexible matrix material surface.
One kind is assembled into symmetrically or non-symmetrically sandwich knot using above-mentioned flexible electrode material and suitable solid electrolyte
The ultracapacitor of structure or using above-mentioned flexible electrode material as battery (lithium ion battery etc.) electrode.
Above-mentioned flexible electrode material and preparation method thereof, at the same fully utilize flexible matrix material high thermal conductivity and
The excellent chemical property of active material, makes both constitute an organic whole, plays the synergy of the two.This height is led
The flexible matrix material of heat not only can improve the heat-sinking capability of electrode, also improve the electric conductivity of electrode, it is not necessary to extra
Collector.It is process is simple, easily operated additionally, the preparation method of the flexible electrode material.
Using above-mentioned flexible electrode material, it is expected to improve the thermal management capabilities of electrochemical energy storing device, expands energy device
Widely application.
Description of the drawings
Fig. 1 is the flow chart of the preparation method of the high heat conduction flexible electrode material of an embodiment;
Fig. 2 is the SEM pictures in the high heat conduction graphene film section that embodiment 1 is obtained;
Fig. 3 is the SEM pictures after the high heat conduction Flexible graphene film carrying active substance that embodiment 1 is obtained;
Fig. 4 is following in the case where difference sweeps speed after the high heat conduction Flexible graphene film carrying active substance that embodiment 1 is obtained
Ring volt-ampere curve.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.
The flexible electrode material of one embodiment, including high heat conduction flexible matrix material and it is supported on high heat conduction flexible substrate
The active material of material surface, wherein, the thermal conductivity of high heat conduction flexible matrix material is 100Wm-1K-1More than.
Wherein, high heat conduction flexible matrix material can be high heat conduction graphene film or high heat conduction graphite film.
Wherein, active material can be carbon activity material, transition metal oxide, transition metal hydroxide, transition gold
At least one in category carbide, transition metal nitride and conducting polymer.Wherein, carbon activity material can for Graphene,
At least one in CNT and activated carbon.
As shown in figure 1, also providing the preparation method of the above-mentioned flexible electrode material of an embodiment, comprise the following steps:
S10, offer high heat conduction flexible matrix material, wherein, the thermal conductivity of high heat conduction flexible matrix material is 100Wm-1K-1
More than.
Specifically, high heat conduction flexible matrix material can be high heat conduction graphene film or high heat conduction graphite film.
Wherein, high heat conduction graphene film is adopted and prepared with the following method:Using preparing graphene by electrochemical stripping or chemistry
Oxidation stripping prepares graphene oxide, by suction filtration or casting film technique, respectively obtains graphene film or graphene oxide
Film, Jing high-temperature heat treatments obtain high heat conduction graphene film.
Specifically, the preparation method of graphene film or graphene oxide film is as follows:By Graphene or graphene oxide
In being scattered in organic solvent or water, Graphene or graphene oxide dispersion are obtained, by dispersion liquid suction filtration film forming or casting film,
Obtain graphene film or graphene oxide film.
For example, adopting casting film to prepare the method for graphene oxide film can be for:Graphene oxide is configured into oxygen
The aqueous solution of graphite alkene, the concentration of the aqueous solution of graphene oxide is 3-5mg/mL.Using Copper Foil as substrate, stone will be aoxidized
The uniform pouring of the aqueous solution of black alkene stands in the surface of Copper Foil substrate, and in 40-60 DEG C of drying and forming-film, shells from Copper Foil substrate
From obtaining graphene oxide film.
Adopting casting film to prepare the method for graphene film can be for:Graphene is configured into the aqueous solution of Graphene,
The concentration of the aqueous solution of Graphene is 3-5mg/mL.Using Copper Foil as substrate, by the uniform pouring of the aqueous solution of Graphene in copper
The surface of paper tinsel substrate, stands, and in 40-60 DEG C of drying and forming-film, peels off from Copper Foil substrate and obtain graphene film.
Now, all there are a large amount of defects in either graphene oxide film or graphene film, it is necessary to through high warm
Process and obtain high heat conduction flexible substrate.
Concrete operations by graphene film or graphene oxide film Jing high-temperature heat treatments are:
By graphene oxide film or graphene film in 5%-20%H2In-Ar atmosphere, according to heating rate 5-10 DEG C/
Min, is warming up to 800-1000 DEG C of insulation 0.5-2h and is heat-treated, and then natural cooling, obtains high heat conduction graphene film.
S20, active material is supported on high heat conduction flexible matrix material surface, obtains flexible electrode material.
Specifically, active material can be carbon activity material, conducting polymer, transition metal oxide, transition metal carbon
One or more in compound or transition metal nitride.Wherein, carbon activity material can be Graphene, CNT and activity
One or more in carbon.
In S20, the methods such as chemical in situ sedimentation, cladding process, dip coating, sputtering method or spraying process can be adopted by activity
Material load is on high heat conduction flexible matrix material surface.Wherein, chemical in situ sedimentation include electrochemical deposition method, hydro-thermal method and
The methods such as chemical bath deposition method.
For example, three-electrode system electro-deposition method can be adopted, by conducting polymer or transition metal oxide isoreactivity material
Material is carried on high heat conduction graphene film, the graphene-based laminated film of high heat conduction is formed, so as to obtain flexible electrode material.
It is understood that one or more different active material can be loaded on high heat conduction graphene film.Enter one
Step it is understood that when various different active materials are loaded on high heat conduction graphene film, various different active materials
Material can successively be carried on high heat conduction graphene film surface by layer;Or after multiple different active material mixing, will mix
Active material afterwards is carried on high heat conduction graphene film surface.
Ultracapacitor or battery equal energy source device that above-mentioned flexible electrode material can also be assembled into.
Specifically, by above-mentioned flexible electrode material and solid electrolyte, assembling symmetrically or non-symmetrically sandwich structure it is super
Level capacitor, or directly using above-mentioned flexible electrode material as battery electrode.What above-mentioned flexible electrode material was assembled into
Energy device can carry out effective heat management, improve the heat-sinking capability of energy device, and then ensure that energy device works
When stability, security and life-span.
Below with reference to specific embodiment, further the preparation method of the flexible electrode material of embodiment of the present invention is entered
Row explanation.
Embodiment 1
Electrochemical stripping graphite rod prepares Graphene.Using high purity graphite rod as working electrode, platinized platinum is to electrode, 0.1M
Na2WO4Aqueous solution is electrolyte, and operating voltage is 10V, and after peeling off completely, few layer graphene is collected in washing, ultrasound, centrifugation;
By above-mentioned graphene dispersion in organic solvent DMF, using the method for suction filtration, graphene film is obtained;
Using 5%H2- Ar atmosphere heat treatment graphene films, 5 DEG C/min of heating rate is naturally cold to 900 DEG C of insulation 2h
But, high heat conduction graphene film is obtained, the scanning electron microscope (SEM) photograph of the high heat conduction graphene film is as shown in Figure 2;The high heat conduction graphite
The thermal conductivity of alkene film is as shown in table 1.
Three-electrode system electro-deposition ternary cobalt nickel sulfide (CoNi2S4), high heat conduction graphene film is working electrode, is joined
It is Ag/AgCl electrodes than electrode, is platinized platinum to electrode, bath composition is 5mM CoCl2, 7.5mM NiCl2With 0.75M thiocarbamides
Solution.Electrochemistry cyclic voltammetry scan is carried out on electrochemical workstation, voltage range is:- 1.2V to 0.2V, sweep speed is
5mV/s, scan round 15 is enclosed.
After composite film material washing, being dried, the flexible electrode material of high heat conduction graphene film/cobalt nickel sulfide is obtained
Material.The electron microscope of the flexible electrode material is as shown in Figure 3.The thermal conductivity of the flexible electrode material is as shown in table 1.The flexible electrode
Cyclic voltammetry curve of the material in the case where difference sweeps speed is as shown in Figure 4.
The thermal conductivity of the high heat conduction graphene film of table 1 and flexible electrode material
Embodiment 2
Improve Hummers methods and prepare graphene oxide, after chemical stripping, washing, freeze-drying, configure graphene oxide
The aqueous solution, concentration is 3mg/mL;
Using Copper Foil as substrate, above-mentioned graphene oxide solution is uniformly cast copper foil surface, stood, 50 DEG C are dried to
Film;
Using high-temperature heat treatment, 10%H2- Ar atmosphere, 10 DEG C/min of heating rate is naturally cold to 1000 DEG C of insulation 1h
But, high heat conduction graphene film is obtained;
Three-electrode system electro-deposition polyaniline, high heat conduction graphene film is working electrode, and reference electrode is saturation calomel
Electrode, is platinized platinum to electrode, and bath composition is 0.5M H2SO4With 0.2M aniline solutions.Electricity is carried out on electrochemical workstation
Chemical cycle voltammetric scan, voltage range is:- 0.2V to 0.7V, sweep speed is 5mV/s, and scan round 10 is enclosed.
By composite film material washing, it is dried, obtains the flexible electrode material of high heat conduction graphene film/polyaniline.
Embodiment 3
The graphite film of high heat conduction is selected as flexible matrix material;
Three-electrode system electro-deposition cobalt acid nickel (NiCo2O4), the graphite film of high heat conduction is working electrode, and reference electrode is full
And calomel electrode, it is platinized platinum to electrode, bath composition is 0.24M NiSO4·7H2O and 0.48M CoSO4·7H2O water
Property solution.Electrochemistry cyclic voltammetry scan is carried out on electrochemical workstation, voltage range is:- 1.2V to 0.3V, sweep speed
For 5mV/s, scan round 15 is enclosed;
After composite film material washing, being dried, under protective atmosphere, 300 DEG C are heat-treated, 2h obtains load NiCo2O4
Flexible electrode material.
Embodiment 4
Electrochemical stripping graphite rod prepares Graphene, and used as electrode material, platinized platinum is to electrode, 0.1M to high purity graphite rod
(NH4)2SO4Aqueous solution is electrolyte, and operating voltage is 10V, and after peeling off completely, few layer graphite is collected in washing, ultrasound, centrifugation
Alkene;
By above-mentioned graphene dispersion in organic solvent DMF, using the method for suction filtration, graphene film is obtained;
Using 5%H2- Ar atmosphere heat treatment graphene films, 5 DEG C/min of heating rate is naturally cold to 900 DEG C of insulation 2h
But, high heat conduction graphene film is obtained;
Hydro-thermal method deposit cobalt acid nickel (NiCo2O4), configure 0.02M NiCl2·6H2O、0.04M CoCl2·6H2O and 0.1M
Urea aqueous solution, above-mentioned high heat conduction graphene film is put into wherein, 120 DEG C of hydro-thermal, 8h;
After composite film material washing, being dried, under protective atmosphere, 300 DEG C are heat-treated, 2h obtains load NiCo2O4
Flexible composite electrode material.
Embodiment 5
The graphite film of high heat conduction is selected as flexible matrix material;
Electro-deposition prepares high heat conduction graphite film/manganese dioxide (MnO2), using three-electrode system, in high heat conduction graphite film table
Face electro-deposition manganese dioxide, the graphite film of high heat conduction is working electrode, and platinized platinum is that, to electrode, electrolyte solution is 0.4M Mn
(CH3COO)2·4H2O, and 0.4M Na2SO4, applied voltage is 2V;
By composite film material washing, it is dried, obtains the flexible composite electrode material of high heat conduction graphite film/manganese dioxide.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (11)
1. a kind of flexible electrode material, it is characterised in that:Including high heat conduction flexible matrix material and to be supported on the high heat conduction soft
Property substrate material surface active material, wherein, the thermal conductivity of the high heat conduction flexible matrix material is 100Wm-1K-1More than.
2. flexible electrode material according to claim 1, it is characterised in that:The high heat conduction flexible matrix material is led for height
Hot graphene film or high heat conduction graphite film.
3. flexible electrode material according to claim 1, it is characterised in that:The active material is carbon activity material, mistake
Cross in metal oxide, transition metal hydroxide, transition metal carbide, transition metal nitride and conducting polymer extremely
Few one kind.
4. a kind of preparation method of flexible electrode material, it is characterised in that comprise the steps:
High heat conduction flexible matrix material is provided, wherein, the thermal conductivity of the high heat conduction flexible matrix material is 100Wm-1K-1More than;
Active material is supported on into the high heat conduction flexible matrix material surface, the flexible electrode material is obtained.
5. the preparation method of flexible electrode material according to claim 4, it is characterised in that the high heat conduction flexible substrate
Material is high heat conduction graphene film or high heat conduction graphite film.
6. the preparation method of flexible electrode material according to claim 5, it is characterised in that the high heat conduction Graphene is thin
Film is adopted and prepared with the following method:Graphene oxide is prepared using preparing graphene by electrochemical stripping or chemical oxidation stripping, then
By suction filtration or casting film technique, graphene film or graphene oxide film are respectively obtained, after heat treatment, obtain described
High heat conduction graphene film.
7. the preparation method of flexible electrode material according to claim 5, it is characterised in that the graphene oxide is thin
The concrete grammar that film or graphene film are heat-treated is:By the graphene oxide film or graphene film in 5%-
20%H2In-Ar atmosphere, according to heating rate 5-10 DEG C/min, it is warming up to 800-1000 DEG C of insulation 0.5-2h and is heat-treated.
8. the preparation method of flexible electrode material according to claim 4, it is characterised in that active material is supported on into institute
State high heat conduction flexible matrix material surface, the step of obtain the flexible electrode material in, using chemical in situ sedimentation, coating
Active material is supported on the high heat conduction flexible matrix material surface by method, dip coating, sputtering method or spraying process.
9. the preparation method of flexible electrode material according to claim 4, it is characterised in that the active material is that carbon is lived
One kind or many in property material, conducting polymer, transition metal oxide, transition metal carbide or transition metal nitride
Kind.
10. the preparation method of flexible electrode material according to claim 9, it is characterised in that when the active material is
When various, the various active material is carried on successively the high heat conduction flexible matrix material surface by layer;Or will be described various
After active material mixing, mixed active material is carried on into the high heat conduction flexible matrix material surface.
Ultracapacitor or electricity that a kind of 11. flexible electrode materials using as any one of claim 1-3 are assembled into
Pond.
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CN106847529A (en) * | 2017-01-21 | 2017-06-13 | 中国科学院深圳先进技术研究院 | Combination electrode material and preparation method thereof |
CN109608884A (en) * | 2018-11-29 | 2019-04-12 | 深圳先进技术研究院 | Thermally conductive shielding organosilicon material of one kind and preparation method thereof |
CN109621981A (en) * | 2018-10-31 | 2019-04-16 | 中山大学 | A kind of compound analysis oxygen elctro-catalyst of metal oxide-sulfide and its preparation method and application |
CN110400700A (en) * | 2019-07-22 | 2019-11-01 | 安徽理工大学 | A kind of Ni@Ni3S2@NiCo2O4Micro-, nano-electrode material and its preparation method and application |
CN110534696A (en) * | 2019-07-29 | 2019-12-03 | 深圳大学 | A kind of flexible battery and preparation method thereof |
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CN109608884A (en) * | 2018-11-29 | 2019-04-12 | 深圳先进技术研究院 | Thermally conductive shielding organosilicon material of one kind and preparation method thereof |
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CN110400700A (en) * | 2019-07-22 | 2019-11-01 | 安徽理工大学 | A kind of Ni@Ni3S2@NiCo2O4Micro-, nano-electrode material and its preparation method and application |
CN110534696A (en) * | 2019-07-29 | 2019-12-03 | 深圳大学 | A kind of flexible battery and preparation method thereof |
CN110534696B (en) * | 2019-07-29 | 2022-08-16 | 深圳大学 | Flexible battery and preparation method thereof |
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Application publication date: 20170510 |