CN208000443U - A kind of electrochromism fiber of coaxial configuration - Google Patents
A kind of electrochromism fiber of coaxial configuration Download PDFInfo
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- CN208000443U CN208000443U CN201820272834.1U CN201820272834U CN208000443U CN 208000443 U CN208000443 U CN 208000443U CN 201820272834 U CN201820272834 U CN 201820272834U CN 208000443 U CN208000443 U CN 208000443U
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- fiber
- electrochromism
- coaxial configuration
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- conductive supporting
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Abstract
The utility model is related to a kind of electrochromism fibers of coaxial configuration.The electrochromism fiber of the coaxial configuration includes conductive supporting fiber, photochromic layer, electrolyte layer and conduction high polymer clad successively from inside to outside;It is connected by the first external circuit between the conduction high polymer clad and conductive supporting fiber, to provide initialization voltage;The both ends of the conductive supporting fiber are connected by the second external circuit, to provide operating voltage.The electrochromism fiber of the utility model is in the case of no ion storage layer, it may have the good advantage of durability can be applied to the fields such as intelligent clothing and wearable static status display.
Description
Technical field
The utility model is related to electrochromism field more particularly to a kind of electrochromism fibers of coaxial configuration.
Background technology
With the development and the improvement of people's living standards of society, more stringent requirements are proposed to textile by consumer,
Middle controllable color change fabric and wearable static status display become the emerging developing direction of consumption market.It is outer by causing material to change colour
Boundary's stimulation is different, can generally be classified as following a few classes:Thermochromism, photochromic, electrochromism, piezallochromy, wet sensitive
Discoloration, solvatochromic etc..Wherein, electrochromism from the characteristics such as master regulation and response time be fast due to that can receive vast section
The favor for grinding worker is also easier to be received by enterpriser and consumers in general.
The course of work of electrochromic device includes at least following two step:(1) under the action of positive field, lithium ion or
Hydrogen ion injects electrochromic material layer, causes photochromic layer that coloring process occurs;(2) reversed electric field effect under, lithium ion or
Hydrogen ion is extracted from photochromic layer, causes photochromic layer that colour fading process occurs.During colour fading, lithium ion is extracted
Electrode is often attacked afterwards, leads to device rapid failure, it is therefore desirable to ion storage is prepared on to electrode.But if handle
Electrochromic device is applied in chameleon fibre, and ion storage will produce stress release in ion implanting, be easy to cause it
It is split away off from fiber, and then leads to fiber failure.Therefore, a kind of improved way is exactly to remove ion storage.
Prior art discloses a kind of preparation methods of electrochromic intelligent fiber:By by the stainless steel after supersound washing
Fiber is vertically put into the deposition liquid for the propene carbonate that 3,4-ethylene dioxythiophene is dissolved in lithium perchlorate and carries out spot deposition, later
Vacuum drying is carried out to be made;The prior art also discloses a kind of flexible electrochromism textile fabric and textile, including electroluminescent change
Color device and the polymer fiber material layer for being coated on electrochromic device periphery, electrochromic device is from inside to outside successively
For the first flexible substrates, the first conductive layer, electrochromic layer, electrolyte layer, the second conductive layer and the second flexible substrates.This two
Kind electrochromism fiber is without using ion storage layer, although simple in structure, in use, due to lacking ion
Accumulation layer, when fading, lithium ion can directly impact conductive layer, lead to the poor durability of fiber, and wearing experience is poor, difficult
It is come with being applied in terms of piece market and wearable static status display.
Utility model content
Based on this, the purpose of this utility model is that, overcome shortcoming and defect in the prior art, a kind of coaxial knot is provided
The electrochromism fiber of structure, without introducing ion storage, and durability is good.
The purpose of this utility model is achieved through the following technical solutions:A kind of electrochromism fiber of coaxial configuration,
Include conductive supporting fiber, photochromic layer, electrolyte layer and conduction high polymer clad successively from inside to outside;The conduction high polymer
It is connected by the first external circuit between clad and conductive supporting fiber, to provide initialization voltage;The conductive supporting is fine
The both ends of dimension are connected by the second external circuit, to provide operating voltage.
The operation principle of the utility model is:Apply initialization voltage, ion is injected into photochromic layer from electrolyte layer, makes change
Chromatograph uniform coloring, chameleon fibre are in dark state;Initialization voltage is removed, applies operating voltage, ion is in photochromic layer inner shaft
To migration, one end of ion motion to photochromic layer simultaneously hides, and the other end of photochromic layer is made to fade, and chameleon fibre is in light state;
Operating voltage is removed, the ion hidden in photochromic layer is spread to one end of colour fading, makes photochromic layer uniform coloring again, chameleon fibre
Restore dark state.
Compared with the existing technology, the electrochromism fiber of the coaxial configuration of the utility model is based on the drive in operating voltage
Under dynamic, axial migration of the ion in photochromic layer realizes discoloration, to the process for avoiding generation ion from being extracted out from photochromic layer, no
Impact can be generated to conductive layer, there is no need to introduce ion storage layer to protect conductive layer, and in the feelings of no ion storage layer
Also there is good durability under condition.
Further, one end of the conduction high polymer clad is electrically conducting transparent end, and the other end is dark conducting end.It is excellent
Choosing, electrically conducting transparent end can be coated with electrically conducting transparent PEDOT:The polymer fiber material of PSS films, dark conducting end can
Think the polymer fiber material coated with dark conductive graphene membrane.
Further, the direction of the operating voltage is directed toward dark color along the electrically conducting transparent end of conduction high polymer clad and is led
Electric end.Under the action of operating voltage, ion is in photochromic layer towards the conductive extreme direction fortune of the dark color of conduction high polymer clad
It is dynamic, and then stash.The conduction high polymer clad has triple functions:(1) it is used as upper electrode layer, realizes electrochromism fiber
Initialization coloring;(2) it is used as clad, realizes the cladding to electrochromism fiber and protection;(3) it is used as discoloration auxiliary layer,
Conversion of the electrically conducting transparent end for realizing electrochromism fiber between the light state of dark coloured state and conductive supporting fiber itself,
Dark conducting end is used to be hidden in the lower ion of migration so far of operating voltage driving.
Further, the thickness of the electrolyte layer is 100nm~1mm.Electrolyte can be gel state electrolyte or complete
Solid electrolyte, electricity Dao Shuai >10-6S/cm, preferably LiClO4It is mixed with the gel state of polymethyl methacrylate (PMMA) composition
Close object or phosphoric acid germanium aluminium lithium (LAGP) solid electrolyte film.
Further, the thickness of the photochromic layer is 100nm~500nm.Photochromic layer can be inorganic electrochromic material
Or organic electrochromic material, the preferred WO of inorganic electrochromic material3Or V2O5, the preferred polyaniline of organic electrochromic material or
It is Prussian blue.
Further, the sheet resistance of the conductive supporting fiber is 0.01~1000 Ω.Preferably, conductive supporting fiber
Can be that the fabric of plating metal on surface, surface impregnate the fabric of conducting polymer, surface metallization is led for light based material
Fabric that electric fiber or simple metal fiber interweave with general fibre, simple metal fiber constitute at least one of fabric.
Further, the electrochromism fiber of the coaxial configuration further includes transparent transition zone, the transparent transition zone position
Between photochromic layer and conductive supporting fiber.Transparent transition zone is for protecting conductive supporting fiber from the preparation in photochromic layer
It is aoxidized in journey, and increases the adhesive force between photochromic layer and conductive supporting fiber.The simple metal of transparent transition zone preferably clear
Film or macromolecule membrane.
Further, the thickness of the transparent transition zone is 3nm~20nm.
The control method of the electrochromism fiber of the coaxial configuration, includes the following steps:
S1:Apply initialization voltage between conduction high polymer clad and conductive supporting fiber, ion is from electrolyte layer
It is injected into photochromic layer, photochromic layer is made to colour;
S2:Initialization voltage is removed, applies operating voltage at the both ends of conductive supporting fiber, ion is axial in photochromic layer
Migration, one end of ion motion to photochromic layer simultaneously hide, and the other end of photochromic layer is made to fade;
S3:Operating voltage is removed, the ion hidden in photochromic layer is spread to one end of colour fading, and photochromic layer is made to restain.
Further, the control method of the electrochromism fiber of the coaxial configuration further includes step S4:Conductive high poly-
Apply initialization voltage again between object clad and conductive supporting fiber, photochromic layer is made to revert to the colored state of starting.It is logical
It crosses and is recycled for multiple times, the coloured state of photochromic layer can be shoaled, and can load initialization voltage again, be allowed to revert to starting
Colored state.
Further, the initialization voltage is 2~3V;The operating voltage is 3~10V.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electrochromism fiber of the coaxial configuration of embodiment 1.
Fig. 2 is the hierarchical structure schematic diagram of the electrochromism fiber of the coaxial configuration of embodiment 1.
Fig. 3 is the operation principle schematic diagram of the electrochromism fiber of the coaxial configuration of embodiment 1.
Fig. 4 is that the electrochromism fiber of the coaxial configuration of embodiment 1 is applied to the schematic diagram of textile.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this reality
With novel, it is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
To technical characteristic can be combined with each other as long as they do not conflict with each other.
Embodiment 1
It please refers to Fig.1 and Fig. 2, Fig. 1 is the structural schematic diagram of the electrochromism fiber of the coaxial configuration of the present embodiment, Fig. 2
For the hierarchical structure schematic diagram of the electrochromism fiber of the coaxial configuration of the present embodiment successively removed.The electricity of the coaxial configuration
Mutagens color fibre includes that conductive supporting fiber 1, transparent transition zone 2, photochromic layer 3, electrolyte layer 4 and conduction are high successively from inside to outside
Polymers clad 5.
In the present embodiment, the conductive supporting fiber 1 is light based material, can be fabric, the surface of plating metal on surface
The fabric of conducting polymer, the conductive fiber of surface metallization or simple metal fiber is impregnated to knit with what general fibre interweaved
Object, simple metal fiber constitute at least one of fabric, sheet resistance preferably 0.01~1000 Ω.
The transparent transition zone 2 is transparent simple metal film or macromolecule membrane, and thickness is 3nm~20nm, to
It protects conductive supporting fiber from being aoxidized in the preparation process of photochromic layer, and increases between photochromic layer and conductive supporting fiber
Adhesive force.
The photochromic layer 3 can be WO3Or V2O5Inorganic electrochromic material, or polyaniline Prussian blue has
Machine electrochromic material, thickness are 100nm~500nm.
The electrolyte layer 4 can be gel state electrolyte or all solid state electrolyte, conductivity;10-6S/cm, preferably
LiClO4With the gel state mixture or phosphoric acid germanium aluminium lithium (LAGP) solid electrolyte of polymethyl methacrylate (PMMA) composition
Film.
One end of the conduction high polymer clad 5 is electrically conducting transparent end, can be coated with electrically conducting transparent PEDOT:PSS
The polymer fiber material of film;The other end is dark conducting end, can be the high score coated with dark conductive graphene membrane
Subbundle material.
It is realized and is electrically connected by the first external circuit between the conduction high polymer clad 5 and conductive supporting fiber 1, to
Initialization voltage U is provided0;The left and right ends of the conductive supporting fiber 1 are realized by the second external circuit and are electrically connected, to provide
Operating voltage U1.The initialization voltage U0Direction be that conduction high polymer clad 5 is directed toward conductive supporting fiber 1, be used for fiber
Initialization coloring;The operating voltage U1Direction be directed toward along the electrically conducting transparent end of conduction high polymer clad it is dark conductive
End, for realizing the colour change function of fiber.Dark conducting end and electrically conducting transparent end account for the ratio of entire conduction high polymer clad
It can be by adjusting initialization voltage U0With operating voltage U1Size and action time regulated and controled.
In the present embodiment, transparent transition zone 2 is formed in and is impregnated clearly through deionized water by magnetron sputtering or electron beam evaporation
It washes and by the way that on the outer surface of vacuum drying conductive supporting fiber 1, photochromic layer 3 is formed on the outer surface of transparent transition zone 2,
Electrolyte layer 4 is coated or is grown on the outer surface of photochromic layer 3, and conduction high polymer clad 5 is coated on the appearance of electrolyte layer 4
The electrochromism fiber of the coaxial configuration is finally prepared in face.It preferably, can by the outfit in magnetron sputtering apparatus
Make the micro-machine device that conductive supporting fiber 1 at the uniform velocity rotates, each layer of the electrochromism fiber that can pass through magnetron sputtering
One is completed, and is substantially increased the production efficiency of the adhesive force and electrochromism fiber between each layer of electrochromism fiber, is made this
The large-scale production and extensive use of electrochromism fiber are possibly realized.
Referring to Fig. 3, its operation principle schematic diagram for the electrochromism fiber of the coaxial configuration of the present embodiment.Specifically
, including following work step:
(1) apply between conduction high polymer clad and conductive supporting fiber and conduction is directed toward by conduction high polymer clad
Support the initial voltage U of machine direction0, in U0Driving under, lithium ion injects photochromic layer by electrolyte layer, loads certain time
t0Afterwards, initial voltage U is removed0, realize the initialization coloring of photochromic layer, electrochromism fiber is in colored state, such as Fig. 3 at this time
(a) shown in.It is preferred that U0For 2~3V, preferably t0For 5~60s.
(2) apply at the both ends of conductive supporting fiber conductive high poly- by the electrically conducting transparent end direction of conduction high polymer clad
The operating voltage U of the dark conducting end of object1, in U1Driving under, the lithium ion in photochromic layer is along conduction high polymer clad
Dark conduction extreme direction is mobile and accumulates, and is stashed by the dark conducting end of conduction high polymer clad, and photochromic layer
The other end shows the conductive supporting fiber color of itself, and electrochromism fiber is in bleached state at this time, as shown in Fig. 3 (b).
It is preferred that U1For 3~10V.
(3) operating voltage U is removed1, the lithium ion of the dark conducting end of conduction high polymer clad is hidden in slowly to change
The colour fading end of chromatograph is spread, and electrochromism fiber restores colored state at this time.
(4) through use after a period of time, the initial coloured state color of the chameleon fibre will shoal, at this time can be again
It repeats step (1) to operate, that completes electrochromism fiber reinitializes coloring.
Embodiment 2
The present embodiment provides a kind of textiles, by the electrochromism fiber of the coaxial configuration in embodiment 1 using conventional
Method braiding be made, working condition is as shown in Figure 4.The textile has service life is long, durability is good advantage, can be with
For intelligent clothing and wearable static status display etc..
Compared with the existing technology, the electrochromism fiber of the coaxial configuration of the utility model is based on the drive in operating voltage
Under dynamic, axial migration of the ion in photochromic layer is realized coloring and is switched between fading, to avoid occurring ion from photochromic layer
The process of extraction, therefore in the case of no ion storage layer, this electrochromism fiber also has the advantages that durability is good,
There is preferable application prospect in terms of piece market and wearable static status display.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.
Claims (8)
1. a kind of electrochromism fiber of coaxial configuration, it is characterised in that:Include conductive supporting fiber, discoloration successively from inside to outside
Layer, electrolyte layer and conduction high polymer clad;Pass through first between the conduction high polymer clad and conductive supporting fiber
External circuit connects, to provide initialization voltage;The both ends of the conductive supporting fiber are connected by the second external circuit, to carry
For operating voltage.
2. the electrochromism fiber of coaxial configuration according to claim 1, it is characterised in that:The conduction high polymer cladding
One end of layer is electrically conducting transparent end, and the other end is dark conducting end.
3. the electrochromism fiber of coaxial configuration according to claim 2, it is characterised in that:The direction of the operating voltage
It is directed toward dark conducting end along the electrically conducting transparent end of conduction high polymer clad.
4. the electrochromism fiber of coaxial configuration according to claim 1, it is characterised in that:The thickness of the electrolyte layer
For 100nm~1mm.
5. the electrochromism fiber of coaxial configuration according to claim 1, it is characterised in that:The thickness of the photochromic layer is
100nm~500nm.
6. the electrochromism fiber of coaxial configuration according to claim 1, it is characterised in that:The conductive supporting fiber
Sheet resistance is 0.01~1000 Ω.
7. the electrochromism fiber of coaxial configuration according to claim 1, it is characterised in that:The coaxial configuration it is electroluminescent
Chameleon fibre further includes transparent transition zone, and the transparent transition zone is between photochromic layer and conductive supporting fiber;It is described transparent
Transition zone is transparent simple metal film or macromolecule membrane.
8. the electrochromism fiber of coaxial configuration according to claim 7, it is characterised in that:The thickness of the transparent transition zone
Degree is 3nm~20nm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820272834.1U CN208000443U (en) | 2018-02-27 | 2018-02-27 | A kind of electrochromism fiber of coaxial configuration |
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| CN201820272834.1U CN208000443U (en) | 2018-02-27 | 2018-02-27 | A kind of electrochromism fiber of coaxial configuration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169976A (en) * | 2018-02-27 | 2018-06-15 | 五邑大学 | A kind of electrochromism fiber of coaxial configuration and its application |
| CN110725130A (en) * | 2019-10-09 | 2020-01-24 | 上海工程技术大学 | Electrochromic composite fiber with coaxial structure and preparation method thereof |
| CN115074863A (en) * | 2022-06-29 | 2022-09-20 | 华中科技大学 | Electrochromic fiber and fabric and preparation method thereof |
-
2018
- 2018-02-27 CN CN201820272834.1U patent/CN208000443U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169976A (en) * | 2018-02-27 | 2018-06-15 | 五邑大学 | A kind of electrochromism fiber of coaxial configuration and its application |
| CN108169976B (en) * | 2018-02-27 | 2023-09-29 | 五邑大学 | Electrochromic fiber with coaxial structure and application thereof |
| CN110725130A (en) * | 2019-10-09 | 2020-01-24 | 上海工程技术大学 | Electrochromic composite fiber with coaxial structure and preparation method thereof |
| CN110725130B (en) * | 2019-10-09 | 2021-12-03 | 上海工程技术大学 | Electrochromic composite fiber with coaxial structure and preparation method thereof |
| CN115074863A (en) * | 2022-06-29 | 2022-09-20 | 华中科技大学 | Electrochromic fiber and fabric and preparation method thereof |
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