CN106633153A - Polymer-based dielectric energy storage nanocomposite material in three-layer structure and preparation method thereof - Google Patents
Polymer-based dielectric energy storage nanocomposite material in three-layer structure and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
The invention relates to a polymer-based dielectric energy storage nanocomposite material in a three-layer structure and a preparation method thereof. The invention relates to the technical field of electronic composite material and energy storage material preparation, in particular to a polymer-based dielectric energy storage nanocomposite material in a three-layer structure and a preparation method thereof. The invention aims at achieving the goals of improving the polymer-based dielectric constant and simultaneously maintaining high breakdown field strength and low dielectric loss. The polymer-based dielectric energy storage nanocomposite material in the three-layer structure consists of two layers of KTN/polymer composite films and a layer of high-molecular polymer film. The method comprises the steps of 1, preparing a KTN/ polymer mixed solution; 2, preparing a polymer solution; 3, performing film coating; 4, performing film forming. The method is used for preparing the polymer-based dielectric energy storage nanocomposite material in the three-layer structure.
Description
Technical field
The present invention relates to electronics composite and energy storage material preparing technical field, more particularly to a kind of three-decker
Polymer-based dielectric energy-storage nano composite and preparation method thereof.
Background technology
With developing rapidly for electronics industry so that apply in advanced electronic equipment, hybrid electric vehicle and power system
Capacitor the advantages of must possess low dielectric loss, miniaturization, fast charge/discharge rates, high energy storage density and good heat endurance.
Currently used surface mount capacitor is essentially all multilayer ceramic capacitor (MLCC), although ceramic capacitor material has
There is high dielectric constant, but its sintering temperature is high, and energy consumption is big, and pliability is poor, while phase between ceramic material and organic matter
Capacitive is poor, and these all determine that ceramic capacitor is not suitable as the dielectric material of embedded capacitor and uses.Polymer thin
Although film has at room temperature ultralow dielectric loss and high disruptive field intensity, its intrinsic relative dielectric constant very little, make
Obtain the material energy storage density to be reached relatively low.Therefore, the Ceramic-polymer Composite of excellent dielectric performance is developed into
For a kind of main solution route.
Polyimides (PI) is a kind of high performance polymer, with good mechanical performance, chemical stability, thermally-stabilised
Property, low dielectric loss and high breakdown strength and energy storage efficiency etc., are ideal polymeric matrix materials.Jing is to existing
The literature search of technology finds：(Rajib M, the Martinez R, et al. [J] such as Rajib
.Int.J.Appl.Ceram.Technol, 2016,13:125-132) by combining BaTiO3The relatively high dielectric of nano particle
The high breakdown strength of constant and polyimides carrys out the energy storage density of amplified medium capacitor.(Wu Y.H, the Zha J.W, et such as Wu
al.[J].J.Mater.Sci:Mater.Electron, 2014,25:2939-2942) pass through electrostatic spinning sol-gel forerunner
Body is preparing BaTiO3Fiber.Then by the method for in-situ polymerization, BaTiO is prepared3/ PI nano composite materials are improving polymerization
The energy storage density of thing matrix.Although the dielectric that the doping of the inorganic ceramic particle of high-k can improve polymeric matrix is normal
Number, but it is usually associated with the decline of disruptive field intensity and the increase of loss tangent.Therefore, while improving energy storage density,
Loss tangent can also be allowed to be maintained at a relatively low level, be the research of current polymer matrix energy storage material face it is main
Problem.
The content of the invention
It is an object of the invention to keep high disruptive field intensity and low Jie while improving polymeric matrix dielectric constant
Electrical loss, and a kind of polymer-based dielectric energy-storage nano composite of three-decker and preparation method thereof is provided.
A kind of polymer-based dielectric energy-storage nano composite of three-decker of the present invention is combined by two-layer KTN/ polymer
Film and a floor height Molecularly Imprinted Polymer film are constituted；The high molecular polymer film is arranged on two-layer KTN/ polymer THIN COMPOSITE
In the middle of film.
A kind of preparation method of the polymer-based dielectric energy-storage nano composite of three-decker is specifically according to the following steps
Carry out：
First, KTN/ mixed with polymers solution is prepared：It is by volume 1:(11.5～49) polymer I and KTN nanometers are weighed
Particle；KTN nano particles are added in organic solvent, ultrasonic disperse 1h obtains dispersion liquid；Then divide 5 times to add in polymer
Enter in dispersion liquid and quickly stir, obtain KTN/ mixed with polymers solution, 2h is stood under vacuum conditions, after being stood
KTN/ mixed with polymers solution；
2nd, polymer solution is prepared：Polymer II is configured into polymer solution, 2h is stood under vacuum conditions, obtained
Polymer solution after standing；
3rd, film：The KTN/ mixed with polymers solution after the polymer solution after standing and standing is pressed using coating device
According to B-A-B sequential applications on a glass, obtain being covered with the glass plate of three-layer thin-film；The A is that the polymer after standing is molten
Liquid, B is the KTN/ mixed with polymers solution after standing；Glass plate is placed in air dry oven does afterwards by often one layer of coating
It is dry；
4th, film forming：By film forming after solvent volatilization completely after the completion of film；Room temperature is subsequently cooled to, is soaked in cold water
24h, the polymer-based dielectric energy-storage nano composite of three-decker is removed from glass plate.
Beneficial effects of the present invention：
Three-decker KTN/PI laminated film has lower dielectric loss, and this is for the film of three-decker is in electronics device
Application in part has more advantage.After doping inorganic nanoparticles, can effectively improve the problem of disruptive field intensity rapid decrease.
Description of the drawings
Fig. 1 is the structural representation of the polymer-based dielectric energy-storage nano composite of three-decker；Wherein 1 is poly- for KTN/
Compound laminated film, 2 is high molecular polymer film；
Fig. 2 is the spectrogram of contrast groups relative dielectric constant；Wherein 1 is pure PI films, and 2 is KTN nano particles volume hundred
Point content is the KTN/ polymer composite films of 2% individual layer, and 3 is the individual layer that KTN nano particle volume percentage compositions are 4%
KTN/ polymer composite films, 4 is the KTN/ polymer composite films of the individual layer that KTN nano particle volume percentage compositions are 6%,
5 is the KTN/ polymer composite films of the individual layer that KTN nano particle volume percentage compositions are 8%；
Fig. 3 is the spectrogram of embodiment group relative dielectric constant；Wherein 1 is the individual layer KTN/ polymer that embodiment one is obtained
In laminated film the volumn concentration of KTN nano particles be 2% three-decker polymer-based dielectric energy-storage nano be combined
Material, the volumn concentration of KTN nano particles is 4% in the 2 individual layer KTN/ polymer composite films obtained for embodiment one
Three-decker polymer-based dielectric energy-storage nano composite, 3 is that the individual layer KTN/ polymer that obtain of embodiment one are combined
The volumn concentration of KTN nano particles is the polymer-based dielectric energy-storage nano composite of 6% three-decker in film,
4 is three layers that the volumn concentration of KTN nano particles in the individual layer KTN/ polymer composite films that embodiment one is obtained is 8%
The polymer-based dielectric energy-storage nano composite of structure；
Fig. 4 is the spectrogram of contrast groups dielectric loss；Wherein 1 is pure PI films, and 2 contain for KTN nano particle volume percentages
The KTN/ polymer composite films of the individual layer for 2% are measured, 3 is the KTN/ of the individual layer that KTN nano particle volume percentage compositions are 4%
Polymer composite film, 4 is the KTN/ polymer composite films of the individual layer that KTN nano particle volume percentage compositions are 6%, and 5 are
KTN nano particle volume percentage compositions are the KTN/ polymer composite films of 8% individual layer；
Fig. 5 is the spectrogram of embodiment group dielectric loss；Wherein 1 is that the individual layer KTN/ polymer that embodiment one is obtained is combined
The volumn concentration of KTN nano particles is the polymer-based dielectric energy-storage nano composite of 2% three-decker in film,
2 is three layers that the volumn concentration of KTN nano particles in the individual layer KTN/ polymer composite films that embodiment one is obtained is 4%
The polymer-based dielectric energy-storage nano composite of structure, 3 is in the individual layer KTN/ polymer composite films that embodiment one is obtained
The volumn concentration of KTN nano particles is the polymer-based dielectric energy-storage nano composite of 6% three-decker, and 4 is real
The volumn concentration for applying KTN nano particles in the individual layer KTN/ polymer composite films that example one is obtained is 8% three-decker
Polymer-based dielectric energy-storage nano composite；
Fig. 6 is the KTN/ polymer composite films of individual layer and the polymer-based dielectric energy-storage nano composite of three-decker
Disruptive field intensity comparison diagram under different KTN doping contents；Wherein 1 is the KTN/ polymer composite films of individual layer, and 2 is three-layered node
The polymer-based dielectric energy-storage nano composite of structure；
Fig. 7 is the KTN/ polymer composite films of individual layer and the polymer-based dielectric energy-storage nano composite of three-decker
Energy storage density comparison diagram under different KTN doping contents；Wherein 1 is the KTN/ polymer composite films of individual layer, and 2 is three-layered node
The polymer-based dielectric energy-storage nano composite of structure.
Specific embodiment
Specific embodiment one：A kind of polymer-based dielectric energy-storage nano composite of the three-decker of present embodiment
It is made up of two-layer KTN/ polymer composite film and a floor height Molecularly Imprinted Polymer film；The high molecular polymer film is arranged on
In the middle of two-layer KTN/ polymer composite film.
Specific embodiment two：Present embodiment from unlike specific embodiment one：The KTN/ polymer is combined
Film is made up of polymeric matrix and dispersed KTN nano particles in the polymer matrix；Described KTN nanometers
The particle diameter of particle is 20～100nm.Other are identical with specific embodiment one.
Specific embodiment three：Present embodiment from unlike specific embodiment one or two：The polymeric matrix
For Kynoar, epoxy resin, poly- partially fluoro- trifluoro-ethylene, polypropylene, PET or polyimides.Its
It is identical with specific embodiment one or two.
Specific embodiment four：Unlike one of present embodiment and specific embodiment one to three：The individual layer
The volumn concentration of KTN nano particles is 0.1%～8% in KTN/ polymer composite films.Other and specific embodiment
One of one to three is identical.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：The individual layer
The volumn concentration of KTN nano particles is 4% in KTN/ polymer composite films.Other and specific embodiment one to four it
One is identical.
Specific embodiment six：Unlike one of present embodiment and specific embodiment one to five：The three-layered node
The thickness of the polymer-based dielectric energy-storage nano composite of structure is 30 μm～60 μm.Other and specific embodiment one to five it
One is identical.
Specific embodiment seven：Unlike one of present embodiment and specific embodiment one to six：The macromolecule
Thin polymer film is polyvinylidene difluoride film, epoxy resin thin film, gather partially fluoro- trifluoro-ethylene film, polypropylene film, poly- to benzene
The ester film of dioctyl phthalate second two or Kapton.Other are identical with one of specific embodiment one to six.
Specific embodiment eight：A kind of polymer-based dielectric energy-storage nano composite of three-decker of present embodiment
Preparation method is specifically carried out according to the following steps：
First, KTN/ mixed with polymers solution is prepared：It is by volume 1:(11.5～49) KTN nano particles and polymerization are weighed
Thing I；KTN nano particles are added in organic solvent, ultrasonic disperse 1h obtains dispersion liquid；Then divide 5 times to add in polymer I
Enter in dispersion liquid and quickly stir, obtain KTN/ mixed with polymers solution, 2h is stood under vacuum conditions, after being stood
KTN/ mixed with polymers solution；
2nd, polymer solution is prepared：Polymer II is configured into polymer solution, 2h is stood under vacuum conditions, obtained
Polymer solution after standing；
3rd, film：The KTN/ mixed with polymers solution after the polymer solution after standing and standing is pressed using coating device
According to B-A-B sequential applications on a glass, obtain being covered with the glass plate of three-layer thin-film；The A is that the polymer after standing is molten
Liquid, B is the KTN/ mixed with polymers solution after standing；Glass plate is placed in air dry oven is dried afterwards by one layer of coating；
4th, film forming：By film forming after solvent volatilization completely after the completion of film；Room temperature is subsequently cooled to, is soaked in cold water
24h, the polymer-based dielectric energy-storage nano composite of three-decker is removed from glass plate.
Before film forming, some polymer need to carry out certain chemical reaction to be molded present embodiment step 4,
Accordingly increase different operating procedures to complete shaping.
Specific embodiment nine：Present embodiment from unlike specific embodiment eight：The polymer I and polymer
II is respectively Kynoar, epoxy resin, gathers partially fluoro- trifluoro-ethylene, polypropylene, PET or polyamides Asia
Amine.Other are identical with specific embodiment eight.
Specific embodiment ten：Present embodiment from unlike specific embodiment eight or nine：The polymer I and poly-
Compound II is respectively Kynoar, epoxy resin, gathers partially fluoro- trifluoro-ethylene, polypropylene, PET or poly-
Acid imide.Other are identical with specific embodiment eight or nine.
Beneficial effects of the present invention are verified by following examples：
Embodiment one：A kind of polymer-based dielectric energy-storage nano composite of three-decker is answered by two-layer KTN/ polymer
Close film and floor height Molecularly Imprinted Polymer film composition；The high molecular polymer film is arranged on two-layer KTN/ polymer and is combined
In the middle of film；The KTN/ polymer composite films be by polymeric matrix and it is dispersed in the polymer matrix
KTN nano particles are constituted；The particle diameter of described KTN nano particles is 20～100nm；The polymeric matrix is polyimides；
The volumn concentration of KTN nano particles is 0.1%～8% in the individual layer KTN/ polymer composite films；The three-layered node
The thickness of the polymer-based dielectric energy-storage nano composite of structure is 30 μm～60 μm.
The preparation method of the polymer-based dielectric energy-storage nano composite of above-mentioned three-decker is specifically according to the following steps
Carry out：
First, by 4,4 '-diaminodiphenyl ether ultrasonic disperse in DMA, then 5 times are divided to N, N- diformazans
Pyromellitic dianhydride is added in yl acetamide, polyamic acid solution is obtained, by polyamic acid solution 0.01MPa vacuum environment
Lower standing 2h, the polyamic acid solution after being stood；The mass ratio of the 4,4 '-diaminodiphenyl ether and pyromellitic dianhydride
For 1:(1.05～1.15)；The DMAC N,N' dimethyl acetamide accounts for the 87%～91% of polyamic acid solution quality；
2nd, by 4,4 '-diaminodiphenyl ether and KTN nano particle ultrasonic disperses in DMA, then 5 are divided
It is secondary to add pyromellitic dianhydride in DMA, KTN/ polyamic acid solutions are obtained, KTN/ polyamic acids is molten
Liquid stands 2h under the vacuum environment of 0.01MPa, the KTN/ polyamic acid solutions after being stood；4,4 '-the diaminourea two
Phenylate is 1 with the mass ratio of pyromellitic dianhydride:(1.05～1.15)；The DMAC N,N' dimethyl acetamide accounts for KTN/ polyamic acids
The 87%～91% of solution quality；
3rd, film：The KTN/ polyamic acid solutions after the polyamic acid solution after standing and standing are pressed using coating device
According to B-A-B sequential applications on a glass, obtain being covered with the glass plate of three-layer thin-film；The A is the polyamic acid after standing
Solution, B is the KTN/ polyamic acid solutions after standing；It is 80～100 DEG C that glass plate is placed in temperature by one layer of coating afterwards
5min～10min is dried in air dry oven；The thickness of the A layers is 10 μm～20 μm, and the thickness of the B layers is 10 μm～20
μm；
4th, imidization：The glass plate for being covered with three-layer thin-film is put into baking oven, by the temperature in baking oven from room temperature to 80
DEG C, and 1h is kept under conditions of temperature is for 80 DEG C, then temperature is warming up into 100 DEG C by 80 DEG C, and in the bar that temperature is 100 DEG C
1h is kept under part, then temperature 200 DEG C is warming up into by 100 DEG C, is to keep 1h under conditions of 200 DEG C in temperature, then by temperature
300 DEG C are warming up to by 200 DEG C, under conditions of temperature is for 300 DEG C 1h is kept, be subsequently cooled to room temperature, soaked in cold water
24h, the polymer-based dielectric energy-storage nano composite of three-decker is removed from glass plate；Wherein individual layer KTN/ polymer
The volumn concentration of KTN nano particles is 0.1%～8% in laminated film.
The dielectric properties of the composite membrane of the composite membrane of single layer structure and three-decker, Shen under in order to compare different levels of doping
Ask someone KTN/ polymer composite films, the KTN nanometers of pure PI films, the individual layer that KTN nano particle volume percentage compositions are 2%
Particle volume percentage composition be the KTN/ polymer composite films of 4% individual layer, KTN nano particle volumes percentage composition be 6%
The KTN/ polymer composite films of individual layer and the KTN/ polymer of individual layer that KTN nano particle volume percentage compositions are 8% answer
Close five samples that film is organized as a comparison；The polymer-based dielectric energy-storage nano of the three-decker that embodiment one is obtained is combined
Material as embodiment group, the volume hundred of KTN nano particles in the individual layer KTN/ polymer composite films that embodiment one is obtained
Point content is that the individual layer KTN/ that the polymer-based dielectric energy-storage nano composite of 2% three-decker, embodiment one are obtained gathers
The volumn concentration of KTN nano particles is the polymer-based dielectric energy-storage nano of 4% three-decker in compound laminated film
The volumn concentration of KTN nano particles is 6% in the individual layer KTN/ polymer composite films that composite, embodiment one are obtained
Three-decker polymer-based dielectric energy-storage nano composite and the individual layer KTN/ polymer THIN COMPOSITEs that obtain of embodiment one
The volumn concentration of KTN nano particles is the polymer-based dielectric energy-storage nano composite work of 8% three-decker in film
For four groups of samples；Respectively to the detection for carrying out relative dielectric constant and dielectric loss of contrast groups and embodiment group, obtain Fig. 2,
Fig. 3, Fig. 4 and Fig. 5；Fig. 2 is the spectrogram of contrast groups relative dielectric constant；Fig. 3 is the frequency spectrum of embodiment group relative dielectric constant
Figure；Fig. 4 is the spectrogram of contrast groups dielectric loss；Fig. 5 is the spectrogram of embodiment group dielectric loss；Can from Fig. 2～Fig. 5
Go out, under the frequency of 40Hz, KTN nano particle volume percentage compositions are the KTN/ polymer composite films and reality of 8% individual layer
The volumn concentration for applying KTN nano particles in the individual layer KTN/ polymer composite films that example one is obtained is 8% three-decker
The dielectric constant of polymer-based dielectric energy-storage nano composite be respectively 8.03 and 7.14, all much larger than pure PI films
3.56；Their dielectric loss is respectively 0.024 and 0.015, and the wherein polymer-based dielectric energy-storage nano of three-decker is combined
Material close to pure PI films 0.011.The doping of KTN nano particles can make laminated film effectively improve dielectric constant, but
Be wherein three-decker polymer-based dielectric energy-storage nano composite have lower dielectric loss, this is for three-decker
Application of the polymer-based dielectric energy-storage nano composite in electronic device have more advantage.
Fig. 6 is the KTN/ polymer composite films of individual layer and the polymer-based dielectric energy-storage nano composite of three-decker
Disruptive field intensity comparison diagram under different KTN doping contents；As can be seen from the figure as KTN nano particles volume fraction increases
Greatly, the bigger downward trend of the disruptive field intensity presentation of the KTN/ polymer composite films of individual layer, and the polymer matrix of three-decker
The disruptive field intensity of dielectric energy-storage nano composite but can steadily decline.It is single when the volume fraction of KTN nano particles is 8%
The disruptive field intensity of the KTN/ polymer composite films of layer only has 181kV/mm, and the polymer-based dielectric energy-storage nano of three-decker
The disruptive field intensity of composite can also be up to 257kV/mm.Therefore, three-decker laminated film doping inorganic nanoparticles after,
The problem of disruptive field intensity rapid decrease can effectively be improved.
Fig. 7 is the KTN/ polymer composite films of individual layer and the polymer-based dielectric energy-storage nano composite of three-decker
Energy storage density comparison diagram under different KTN doping contents；As can be seen from the figure as KTN nano particles volume fraction increases
Greatly, the energy storage density of the polymer-based dielectric energy-storage nano composite of the KTN/ polymer composite films of individual layer and three-decker
All presenting first increases the trend for reducing afterwards, but the KTN/ polymer composite film energy storage densities of individual layer are both less than three-decker
The energy storage density of polymer-based dielectric energy-storage nano composite.It is situated between in the polymer matrix of the three-decker that volume fraction is 4%
In electric energy-storage nano composite, there is maximum in its energy storage density, is 2.33, considers, and volume fraction is 4% three-layered node
The polymer-based dielectric energy-storage nano composite of structure has more advantage in terms of stored energy application.
Claims (10)
1. a kind of polymer-based dielectric energy-storage nano composite of three-decker, it is characterised in that the polymer matrix of three-decker
Dielectric energy-storage nano composite is made up of two-layer KTN/ polymer composite film and a floor height Molecularly Imprinted Polymer film；The height
Molecularly Imprinted Polymer film is arranged in the middle of two-layer KTN/ polymer composite film.
2. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 1, its feature exists
In the KTN/ polymer composite films be by polymeric matrix and dispersed KTN nanometers in the polymer matrix
Grain composition；The particle diameter of described KTN nano particles is 20～100nm.
3. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 2, its feature exists
It is Kynoar, epoxy resin, gathers partially fluoro- trifluoro-ethylene, polypropylene, poly terephthalic acid second two in the polymeric matrix
Ester or polyimides.
4. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 1, its feature exists
The volumn concentration of KTN nano particles is 0.1%～8% in the individual layer KTN/ polymer composite films.
5. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 1, its feature exists
The volumn concentration of KTN nano particles is 4% in the individual layer KTN/ polymer composite films.
6. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 1, its feature exists
In the three-decker polymer-based dielectric energy-storage nano composite thickness be 30 μm～60 μm.
7. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 1, its feature exists
In the high molecular polymer film be polyvinylidene difluoride film, epoxy resin thin film, gather partially fluoro- trifluoro-ethylene film, poly- third
Alkene film, polyethylene terephthalate thin film or Kapton.
8. a kind of preparation method of the polymer-based dielectric energy-storage nano composite of three-decker, it is characterised in that three-decker
The preparation method of polymer-based dielectric energy-storage nano composite specifically carry out according to the following steps：
First, KTN/ mixed with polymers solution is prepared：It is by volume 1:(11.5～49) KTN nano particles and polymer I are weighed；
KTN nano particles are added in organic solvent, ultrasonic disperse 1h obtains dispersion liquid；Then divide 5 times and be added in polymer I
Stir in dispersion liquid and quickly, obtain KTN/ mixed with polymers solution, 2h is stood under vacuum conditions, the KTN/ after being stood
Mixed with polymers solution；
2nd, polymer solution is prepared：Polymer II is configured into polymer solution, 2h is stood under vacuum conditions, stood
Polymer solution afterwards；
3rd, film：Using coating device by the KTN/ mixed with polymers solution after the polymer solution after standing and standing according to B-
The sequential applications of A-B on a glass, obtain being covered with the glass plate of three-layer thin-film；The A be stand after polymer solution, B
For the KTN/ mixed with polymers solution after standing；Glass plate is placed in air dry oven is dried afterwards by one layer of coating；
4th, film forming：By film forming after solvent volatilization completely after the completion of film；Room temperature is subsequently cooled to, 24h is soaked in cold water, will
The polymer-based dielectric energy-storage nano composite of three-decker is removed from glass plate.
9. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 8, its feature exists
Kynoar, epoxy resin are respectively, are gathered partially fluoro- trifluoro-ethylene, polypropylene, gathered right in the polymer I and polymer II
Polyethylene terephthalate or polyimides.
10. a kind of polymer-based dielectric energy-storage nano composite of three-decker according to claim 8, its feature exists
Kynoar, epoxy resin are respectively, are gathered partially fluoro- trifluoro-ethylene, polypropylene, gathered right in the polymer I and polymer II
Polyethylene terephthalate or polyimides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611247610.7A CN106633153A (en) | 2016-12-29 | 2016-12-29 | Polymer-based dielectric energy storage nanocomposite material in three-layer structure and preparation method thereof |
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| CN201611247610.7A CN106633153A (en) | 2016-12-29 | 2016-12-29 | Polymer-based dielectric energy storage nanocomposite material in three-layer structure and preparation method thereof |
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| CN107359051A (en) * | 2017-06-30 | 2017-11-17 | 同济大学 | A kind of high-energy-density sandwich structure flexible composite and preparation method thereof |
| CN107571586A (en) * | 2017-10-13 | 2018-01-12 | 清华大学 | A kind of laminated construction ferroelectric polymers based dielectric film, and its production and use |
| CN107808818A (en) * | 2017-09-21 | 2018-03-16 | 天津大学 | A kind of preparation method of flexible capacitor |
| CN108281215A (en) * | 2018-01-24 | 2018-07-13 | 北京元六鸿远电子科技股份有限公司 | Low-temperature setting thermoplastic polyimide MLCC silver-colored terminal electrode pastes and preparation method thereof |
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| CN110862683A (en) * | 2019-12-23 | 2020-03-06 | 华中科技大学 | High-energy-storage-density dielectric composite multilayer film and preparation method thereof |
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| CN112851941A (en) * | 2021-02-03 | 2021-05-28 | 湘潭大学 | Preparation method of polyimide carbon nanotube composite aerogel with efficient photothermal effect |
| CN113773541A (en) * | 2021-10-08 | 2021-12-10 | 哈尔滨理工大学 | Preparation method of KTN/PI composite film with high breakdown and low dielectric loss |
| CN114103336A (en) * | 2020-08-28 | 2022-03-01 | 浙江工业大学 | P (VDF-CTFE) composite film with sandwich structure and preparation method thereof |
| CN114702771A (en) * | 2022-03-22 | 2022-07-05 | 哈尔滨理工大学 | Method for optimizing dielectric property of potassium tantalate-niobate/polyvinylidene fluoride film by utilizing acyl chloride micromolecules |
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| CN107359051A (en) * | 2017-06-30 | 2017-11-17 | 同济大学 | A kind of high-energy-density sandwich structure flexible composite and preparation method thereof |
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| CN112373162B (en) * | 2020-11-20 | 2024-01-05 | 湖北科技学院 | Composite dielectric material with three-layer structure and preparation method thereof |
| CN112851941A (en) * | 2021-02-03 | 2021-05-28 | 湘潭大学 | Preparation method of polyimide carbon nanotube composite aerogel with efficient photothermal effect |
| CN112851941B (en) * | 2021-02-03 | 2022-05-31 | 湘潭大学 | Preparation method of polyimide carbon nanotube composite aerogel with efficient photothermal effect |
| CN113773541A (en) * | 2021-10-08 | 2021-12-10 | 哈尔滨理工大学 | Preparation method of KTN/PI composite film with high breakdown and low dielectric loss |
| CN114702771A (en) * | 2022-03-22 | 2022-07-05 | 哈尔滨理工大学 | Method for optimizing dielectric property of potassium tantalate-niobate/polyvinylidene fluoride film by utilizing acyl chloride micromolecules |
| CN115058117A (en) * | 2022-06-30 | 2022-09-16 | 佛山科学技术学院 | Ultra-high temperature resistant polymer-based dielectric energy storage nano composite film and preparation method thereof |
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