CN106653382A - Flexible electrode material and preparation method and application thereof - Google Patents

Flexible electrode material and preparation method and application thereof Download PDF

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Publication number
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
high heat
film
flexible
electrode material
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CN201611213425.6A
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Inventor
符显珠
李云明
孙蓉
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Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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Priority to CN201611213425.6A priority Critical patent/CN106653382A/en
Publication of CN106653382A publication Critical patent/CN106653382A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22Electrodes
    • H01G11/24Electrodes 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139Processes of manufacture
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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

A kind of flexible electrode material and preparation method and application
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.
CN201611213425.6A 2016-12-23 2016-12-23 Flexible electrode material and preparation method and application thereof Pending CN106653382A (en)

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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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Publication number Priority date Publication date Assignee Title
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
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
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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