CN106301062A - Deformable friction nanometer power generator and electricity-generating method, motion sensor and clothing - Google Patents
Deformable friction nanometer power generator and electricity-generating method, motion sensor and clothing Download PDFInfo
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- CN106301062A CN106301062A CN201510236378.6A CN201510236378A CN106301062A CN 106301062 A CN106301062 A CN 106301062A CN 201510236378 A CN201510236378 A CN 201510236378A CN 106301062 A CN106301062 A CN 106301062A
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- electrod assembly
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Abstract
The present invention provides a kind of deformable friction nanometer power generator, including friction means and electrod assembly, under external force, described friction means shape changes, rub with described electrod assembly, after removing described external force, described friction means recovers original shape, forms electric charge flowing between described electrod assembly and isoelectric level.Accordingly, the present invention also provides for a kind of electricity-generating method, and applies motion sensor and the clothing of described friction nanometer power generator.Friction nanometer power generator in the present invention can be used for flexible and changeable collection multi-form, the mechanical energy in direction, is particularly suited for collecting the kinetic energy of human motion.
Description
Technical field
The present invention relates to mechanical energy power field, a kind of deformable friction based on Stretch material
Nano generator, electricity-generating method, and apply motion sensor and the clothing of this friction nanometer power generator.
Background technology
Nano generator, especially friction nanometer power generator are in research and development in recent years, it is achieved by ring
This milli machine generally existed of border can be changed into electric energy, for our this society provide a kind of novel,
High power, low cost, eco-friendly secondary energy sources.Up to now, the friction nanometer of various modes is sent out
The invention in succession of motor so that this technology goes in multiple different motor pattern, including connecing
Touch clastotype, horizontal sliding-modes, single electrode pattern and free schema etc..
Along with developing rapidly of wearable electronic device, corresponding power-supply device also there is higher requirement.
And so far, the most do not develop corresponding stretchable friction nanometer power generator, its major limitation bag
Including two aspects, one is the stretchable performance of material itself, and another is that the electrode of electromotor is at drawing process
In be susceptible to damage, cause the stability of generator performance to be affected in drawing process.
Summary of the invention
It is an object of the invention to provide a kind of deformable friction nanometer power generator, it is possible to by level side
To extensional motion or vertical direction compression campaign produce electric energy output.
To achieve these goals, the present invention provides a kind of deformable friction nanometer power generator, including:
Electrod assembly, is connected with isopotential electrical；
Friction means, for deformable structure；
Under external force, described friction means shape changes, and rubs with described electrod assembly, removes
After going described external force, described friction means recovers original shape, between described electrod assembly and isoelectric level
Formation electric charge flows.
Preferably, during original state, described electrod assembly contacts with friction means part surface；
Or, during original state, described electrod assembly is not in contact with each other with friction means, at External Force Acting
Under make described electrod assembly and friction means contact with each other, when removing described external force, described electrod assembly and
Friction means is separated from each other.
Preferably, described friction means is electronegative after contacting with electrod assembly or rub, electrod assembly
On with positive charge.
Preferably, described friction means is wavelike structure, rugosity structure.
Preferably, described friction means is macromolecular material.
Preferably, described friction means is thermoplastic macromolecule material, by thermal anneal process machine-shaping.
Preferably, at least one surface configuration in the surface that described friction means and electrod assembly contact with each other
Micron or the micro structure of secondary micron dimension, described micro structure selected from nano wire, nanotube, nano-particle,
Nanometer channel, micron trenches, nanocone, micron cone, nanometer rods, micron bar, nanosphere and micron ball
Shape structure.
Preferably, the stretcher strain that described friction means can bear is more than 20%.
Preferably, described electrod assembly is stretchable structure.
Preferably, the draw direction of described electrod assembly is identical with the draw direction of described friction means.
Preferably, the stretching structure of described electrod assembly is graphical parts.
Preferably, described electrod assembly includes at least 1 snakelike, waveform or zigzag sub-electrode；
Multiple sub-electrodes link together in whole or in part, or are not connected to mutually.
Preferably, also including stretchable substrate, described electrod assembly is arranged on the substrate.
Preferably, described substrate is the stretch modulus material at below 1MPa.
Preferably, described substrate is PDMS, rubber, elastic fiber or Lycra fiber.
Preferably, including two described electrod assemblies and a described friction means, described friction means
Opposing sides is arranged face-to-face with electrod assembly 10.
Preferably, it is connected to isoelectric level after two electrod assembly parallel connections；Or, two electrod assemblies are each
It is connected in an isoelectric level.
Accordingly, the present invention provides a kind of motion sensor, including the friction nanometer described in any of the above-described item
Electromotor, described friction nanometer power generator is attached to motive position.
Preferably, described friction nanometer power generator uses that no side effects is cementitious with skin, have
The material of certain form adaptive.
The present invention also provides for a kind of clothing, including the friction nanometer power generator described in any of the above-described item.
Accordingly, the present invention also provides for a kind of triboelectricity method, uses the friction described in any of the above-described item
Nano generator, external force is applied in described friction nanometer power generator, and described friction means deforms,
Rubbing with described electrod assembly, after removing external force, described friction means recovers original shape, at electricity
Electric charge flowing is formed between pole parts and isoelectric level.
Preferably, described electrod assembly is stretchable structure, when external force applies, and described friction means and electricity
Pole parts all deform, and after removing external force, described friction means recovers original-shape with electrod assembly,
Electric charge flowing is formed between electrod assembly and isoelectric level.
Compared with prior art, the friction nanometer power generator that the present invention provides has the advantage that
1, compared to the friction nanometer power generator of traditional mode, the friction nanometer power generator that the present invention provides
Use deformable friction means, make device have deformable feature.Further, use stretchable
Electrod assembly, make electromotor entirety become stretchable electromotor, can collect extensional motion produce machine
Tool can be used for generating electricity.
2, this friction nanometer power generator flexible, stretchable also has the strongest form adaptive,
May be used for carrying out mechanical energy collection on the surface of any shape.
3, due to material, there is good biocompatibility, the surface of human body skin can be attached to, be used for
Monitoring the light exercise of human body in real time, this friction nanometer power generator is to prepare the reason of biological motion sensor
Think device.
Accompanying drawing explanation
Shown in accompanying drawing, above and other purpose, feature and the advantage of the present invention will become apparent from.?
The part that all identical in accompanying drawing reference instruction is identical.The most deliberately contract by actual size equal proportion
Put drafting accompanying drawing, it is preferred that emphasis is the purport of the present invention is shown.
Fig. 1 and Fig. 2 is the structural representation of the deformable friction nanometer power generator of the embodiment of the present invention one；
Fig. 3 is the structural representation of the deformable friction nanometer power generator of the embodiment of the present invention two；
Fig. 4 is the present invention deformable friction nanometer power generator operation principle under contact-clastotype
Schematic diagram；
Fig. 5 is the operation principle signal under stretch mode of the present invention deformable friction nanometer power generator
Figure；
Fig. 6 is defeated under contact-clastotype of deformable friction nanometer power generator of the present invention
Go out performance, and and the contrast of matched group；
Fig. 7 is the stretchable friction nanometer power generator of present invention output performance under stretch mode, with
And and the contrast of matched group；
Fig. 8 is the friction nanometer power generator of present invention output performance on the curved surface of different curvature；
Fig. 9 is the friction nanometer power generator real-time monitoring for self-driven biological motion sensor of the present invention
Data and application photo in kind.
Detailed description of the invention
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
Clearly and completely describe.Obviously, described embodiment is only a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of protection of the invention.
Secondly, the present invention combines schematic diagram and is described in detail, when describing the embodiment of the present invention in detail, for just
In explanation, described schematic diagram is example, and it should not limit the scope of protection of the invention at this.
Embodiment one:
The structural representation of deformable friction nanometer power generator provided by the present invention is as shown in Figure 1.Rub
The structure wiping nano generator includes electrod assembly 10 and friction means 20, wherein, electrod assembly 10
Electrically connecting with earth potential, friction means 20 is deformable wavelike structure.Under external force, rub
Wipe parts 20 shape to change, change with electrod assembly 10 contact area, after removing described external force,
Friction means 20 recovers original shape, forms electric charge flowing, shape between electrod assembly 10 and earth potential
Become the friction nanometer power generator of a kind of deformable stagged electrode structure.
During original state, electrod assembly 10 and friction means 20 can contact with each other, it is also possible to the most not
Contact, makes electrod assembly 10 and friction means 20 contact with each other under external force, removes described external force
Time, electrod assembly 10 and friction means 20 are separated from each other.Owing to friction means 20 uses deformable to tie
The structures such as structure, such as waveform, electrod assembly 10 described here and friction means 20 contact with each other,
Refer to that electrod assembly 10 contacts with the very fraction of friction means 20, so can be by External Force Acting
Time, make the contact area of electrod assembly 10 and friction means 20 increase, it might even be possible to make electrod assembly with
Tight (as shown in Figures 4 and 5) is completely attached between friction means.
In the present embodiment, electrod assembly 10 is connected to the ground current potential, it is also possible to be connected in other isoelectric levels,
Such as isoelectric level circuit, as long as enough electronics can be provided.
Friction means 20 rubs mutually with electrod assembly 10 surface under external force, and surface charge occurs
Transfer, therefore, forms electric charge flowing, if at electrod assembly between electrod assembly 10 and isoelectric level
It is connected electrical appliance with between isoelectric level, can be that electrical appliance provides pulse current.Friction means 20 and electricity
Receiving and losing electrons ability (the i.e. friction electrode sequence) difference that pole parts 10 contact with each other the material on surface is the biggest,
The output of electromotor is the biggest.The material of friction means 20 is preferably insulating material, more preferably high score
Electronic insulators material, such as Kapton thin-film material etc..Insulating polymeric material can be selected from following material
One or several in material: politef, Kynoar, polyimides, polyamide, polychlorostyrene
Ethylene, polydimethylsiloxane, polystyrene, polypropylene, polyethylene, polyvinylidene chloride, polychlorostyrene
Ether, polymethyl methacrylate, polyvinyl alcohol, polyisobutylene, polyvinyl butyral resin, polyacrylonitrile,
Poly bis phenol carbonate, poly-diphenyl propane carbonic ester, poly terephthalic acid diethyl alcohol ester, poly-to benzene two
Formic acid fourth diester, PEN, polytrifluorochloroethylene, xylol ring disome, ethylene
-vinyl acetate co-polymer, perfluoroethylene-propylene copolymer, acrylonitrile-butadiene-styrene (ABS) ternary are altogether
Polymers and vinyl chloride-vinyl acetate copolymer.
Friction means 20 can be the stretchable structures such as wavy, rugosity, is being extruded by external force
Or can deform during stretching.The material of friction means 20 selects and shape needs to ensure in stretching
After can also recover original shape.Preferably, the stretcher strain that friction means can bear is more than 20%.
The material that friction means 20 uses can be thermoplastic macromolecule material (such as Kapton etc.), can
With by thermal anneal process machine-shaping.Friction means material after processing is the ripple with residual thermal stress
The thin-film material of shape wave (or other shapes), so, this layer of friction material can bear bigger stretching
Deformation, and original shape can be returned to after the stretch.
The output performance of the surface texture effects electromotor of friction means 20, can be at friction means and electricity
In the surface that pole parts contact with each other, at least one surface configuration micron or the micro structure of secondary micron dimension, carry
Its effective area high and friction effect.Described micro structure is selected from nano wire, nanotube, nano-particle, receives
Rice groove, micron trenches, nanocone, micron cone, nanometer rods, micron bar, nanosphere and micron are spherical
Structure.
Electrod assembly 10 can be a continuous structure, such as film like electrod assembly.Most of electrodes
Material does not have tensile property, and when applying the external force such as extruding on electromotor, electrod assembly 10 can not
It is stretched, friction means 20 is produced extruding, the external force output electric energy of extruding may only be utilized.
When the electrod assembly 10 of electromotor is stretchable structure, making whole electromotor become can deform
Structure, can pass through Graphic Design electrod assembly 10, makes the electrod assembly 10 can be along with friction means
The deformation of 20 and stretch.As shown in Figure 2, electrod assembly 10 includes at least 1 snakelike or wave
Shape sub-electrode 101, multiple sub-electrodes can link together in whole or in part, it is also possible to does not connects mutually
Connect, be preferably and all link together.The shape of sub-electrode 101 is not limited to the structure in Fig. 2, similar
The figure of serpentine configuration is the most permissible, as long as meeting the requirement that can stretch, sub-electrode shape is except snakelike
Outward, it is also possible to be waveform, zigzag etc..So, electrod assembly 10 can bear bigger stretching
Deflection, and keep its electric conductivity that the biggest loss does not occur.
Multiple sub-electrodes of electrod assembly can be arranged in stretchable substrate 30, such as institute in Fig. 2
Showing, substrate 30 and electrod assembly 10 (multiple sub-electrode 101) can stretch in direction shown in arrow,
The draw direction of electrod assembly 10 is preferably identical with the draw direction of friction means 20.It addition, it is graphical
Design electrod assembly, when friction means occurs smaller deformation with electrod assembly, with electrod assembly
Contact area changes relatively big, externally exports the bigger signal of telecommunication.The friction nanometer power generator of this structure can
To collect mechanical energy and the mechanical energy of horizontal direction stretching of vertical direction compression simultaneously.
Substrate 30 can use any stretchable material, can select to have the most elastic and relatively low
The base material of tensile modulus of elasticity, preferred tensile modulus is at the material of below 1MPa, the most mostly
Number macromolecular materials, as PDMS, rubber, elastic fiber, Lycra fiber (polyurethane fibre,
The material etc. such as polyurethane).
Embodiment two:
The friction nanometer power generator of the present embodiment, as it is shown on figure 3, include being arranged in two embodiments one
Patterned electrod assembly 10 (as shown in Figure 2) in stretchable substrate 30, and one deformable rubbed
Wiping parts 20, the opposing sides of friction means 20 is arranged face-to-face with electrod assembly 10, forms multilamellar knot
Structure.Can arrange by part contact all the time between friction means 20 and electrod assembly, it is also possible to masterpiece outside
Contact with each other under with, separated from each other after removing external force.The friction nanometer power generator of this structure, is equivalent to
Electromotor in two embodiments one shares friction means, and the structure of each several part, material all can be with enforcements
Identical in example one.
On the premise of electrod assembly self structure has tensile property, it is also possible to save substrate, directly will
The electrod assembly of stretching structure contacts setting with friction means.
Two electrod assemblies 10 can be connected to isoelectric level (earth potential) after parallel connection, it is also possible to each connects
In an isoelectric level, such friction nanometer power generator can produce two electricity under an External Force Acting
Signal exports.
The operation principle of the deformable friction nanometer power generator of the present embodiment as illustrated in figures 4-5, can be two
Collecting mechanical energy under the mode of operation that kind is different: i.e. contact-clastotype (shown in Fig. 4) and stretching die
Formula (shown in Fig. 5).Identical, whole friction nanometer power generator is all based on two groups of symmetrical single electricity
The integrated result of the friction nanometer power generator of pole formula.As shown in Figure 4, in an initial condition, due to centre
Friction means (can be macromolecular material) 20 be waveform, can be by complete for two electrod assemblies 10
Separate, see a in Fig. 4.When external force (such as the direction of arrow) is applied on electromotor, electricity can be made
Pole parts 10 and friction means 20 completely attach to.Due to the effect of contact electrification, make electrod assembly
10 produce positive charge, and friction means 20 produces negative charge, sees the b in Fig. 4.When external force is cancelled,
Friction means 20 is returned to original wave-like, makes the most again to occur to a certain degree between powered surfaces
Separation, and the separation of powered surfaces can make to produce respectively between two electrod assemblies 10 and earth potential
Electric potential difference, is shown in the c in Fig. 4, and this electric potential difference in the load or can make electronics from greatly under short-circuit conditions
Flow to electrod assembly 10, to produce electrostatic equilibrium.Spacing maximum d when two electrod assemblies 10max
Time, the electric charge on electrod assembly 10 and friction means 20 surface balances each other mutually, electrod assembly and earth potential it
Between without electric charge flow, see the d in Fig. 4.And when external force is reloaded, this electric potential difference can reduce,
So that electronics flows back to the earth from electrod assembly, see the e in Fig. 4, until the heaviest between powered surfaces
Only it is combined into, sees the b in Fig. 4.
The deformable friction nanometer power generator of the present embodiment operation principle such as Fig. 5 institute under stretch mode
Show, and ultimate principle is similar with 4, be all to produce positive and negative charge by the contact on two surfaces, then lead to
Cross being contacting and separating between powered surfaces between earth potential and electrod assembly 10, form the change of electric potential difference
Changing drives the electronics of external circuit to flow.With the difference in Fig. 4 it is: in such a mode, electrod assembly
10 and the contact of middle friction means 20 be by stretching whole friction nanometer power generator device two ends
(direction of arrow in Fig. 5) realizes.Shown in Fig. 5, friction nanometer power generator is from original size L0
It is stretched to full-size LmaxRecover the work process of original size again.
The preparation process of the present embodiment friction nanometer power generator is described below.This friction nanometer power generator
Preparation technology is divided into following step:
One, processing top layer and the macromolecular material of bottom.As a example by PDMS, in order to prepare flexibility can
The PDMS material that level of stretch is higher, mixes monomer and the polymerizer of PDMS with the mass ratio of 30:1
Close, after degasification, liquefied mixture is spin-coated on pet sheet face, is then placed in baking oven Celsius with 85
Degree constant temperature makes it be polymerized.After two hours, it is drawn off, and by the PDMS after polymerization from PET
Surface take off, prepare PDMS film substrate flexible, stretchable.
Two, in PDMS substrate, stretchable electrod assembly is plated.First, utilize laser cutting parameter, use
Lucite (PMMA) preparation has snakelike or corrugated array mould plate, then template is placed in
In PDMS substrate, with magnetically controlled sputter method metallized electrode in substrate.After taking off template,
Obtain snakelike or corrugated sub-electrode.This electrod assembly is not easy to rupture after the stretch,
And keep the stable performance of electromotor.
Three, the waveform macromolecule layer (friction means) in the middle of preparation.Because the course of processing needs high temperature
Annealing, so selecting temperature capability and thermoplasticity preferable Kapton material here.Concrete, by one
Layer Kapton thin film and one group of stainless steel metal rod are intertwined and fix by two-layered steel plates.Then
It is placed in the Muffle furnace of 300 degrees Celsius heating four hours, then quickly removes it and be cooled to room
Temperature.So, due to the effect of thermal stress, Kapton thin film can be processed to waveform.
In an experiment, the friction nanometer power generator size of preparation is about 3 cm x 5 centimetres, can record
The output performance of this friction nanometer power generator.Wherein Fig. 6 represent friction nanometer power generator contact-point
Output performance under pattern, wherein open-circuit voltage VocIt is 700 volts ((a) in Fig. 6), short circuit
Electric current IscIt is 75 microamperes ((c) in Fig. 6), transfer charge amount QtrIt is that 160 Na Ku are (in Fig. 6
(b)), effective output 5 watts every square metre ((e) in Fig. 6).Increasing along with mechanical energy frequency
Add short circuit current IscIncrease ((d) in Fig. 6).(f) in Fig. 6 is that electromotor pats time point at hands
The photo in kind of bright multiple LED.Pass through contrast test, it can be seen that the friction nanometer of this structure
Electromotor exists compared to the structure that middle friction means is plane high molecular friction nanometer power generator
Have great advantage on output performance.
Fig. 7 illustrates the output performance under stretch mode, equally, lists contrast test and pass through in figure
Contrast test, uses plane friction means (Planar) wavy friction means (Wavy) to enter respectively
Go open-circuit voltage Voc, short circuit current IscWith transfer charge amount QtrTest, it can be seen that the present embodiment
The friction nanometer power generator of this structure compares the friction nanometer power generator of plane friction means in output
Performance and maximum can be born and be had great advantage in elongation strain (22%), and repeatedly circulates the electricity of acquisition
Can stablize by output performance, shown in (d) in Fig. 7 when circulating for 3600 times, the electricity output base of electromotor
Originally stablize constant.
Fig. 8 illustrates the friction nanometer power generator curved surface at different curvature (Curvature) of this structure
On generating effect, show the electromotor of this structure along with Curvature varying, power generation performance is basicly stable,
Electromotor has good form adaptive performance.
Embodiment three:
The present invention also provides for a kind of triboelectricity method, uses the deformable of embodiment one or embodiment two to rub
Wiping nano generator, external force (mechanical energy) is applied in friction nanometer power generator, and friction means becomes
Shape, rubs with electrod assembly, and after removing external force, described friction means recovers original shape, at electricity
Electric charge flowing is formed between pole parts and isoelectric level.When external force applies and when removing external force, friction means
Change with the contact area of electrod assembly.
When electrod assembly is stretchable structure, when external force applies, friction means all occurs with electrod assembly
Deformation, after removing external force, described friction means and electrod assembly recover original-shape, electrod assembly with
Electric charge flowing is formed between isoelectric level.
Embodiment four:
The deformable friction nanometer power generator of embodiment one and embodiment two is possible not only to for collecting mechanical
Can, it is also possible to be attached to the skin surface of human body diverse location, for the information of monitoring human motion in real time,
Ancon (Elbow) as shown in Figure 9, knee (Knee), arm (Bicep), throat, cervical region etc.
Position, friction nanometer power generator is applied at different parts, and its output amplitude of the signal of telecommunication, frequency etc. are the most no
With.
The material of friction nanometer power generator selects human body (or animal body) no side effects and skin
Skin has good caking property, has the material of certain form adaptive, particularly with direct skin contact
The material of substrate preferably meet above-mentioned condition, such as PDMS film.
When concrete operation principle is human body generation light exercise, the electrode portion of friction nanometer power generator can be made
Being contacting and separating of generating period between part and several surfaces of friction means, thus produce corresponding electricity
Signal.The width about human body light exercise can be obtained by analyzing the size of the signal of telecommunication, polarity and frequency
The information such as degree and frequency.The friction nanometer power generator that simultaneously taking account of the present invention provides has good shape
Adaptivity, therefore can be very sensitive to the slight deformation of skin, hence helps to improve the spirit of detection
Sensitivity.This self-driven biological motion detection is in fields such as following medical monitoring, sleep quality detections
Have important potential application.
The friction nanometer power generator that the present invention provides, in addition to can be directly against being attached on skin, it is also possible to
It is arranged on clothing (described here includes clothes, knapsack, footwear etc.), Nanoelectromechanical is sent out in friction and sets
Put in the corresponding position of human motion joint part, when human motion friction nanometer power generator be extruded or
Person stretches, and as sensor or electromotor, drives friction nanometer power generator by the light exercise of human body
Generate electricity, and the signal of telecommunication exported by measurement monitors the situation of human motion.
The above, be only presently preferred embodiments of the present invention, not the present invention is made any in form
Restriction.Any those of ordinary skill in the art, without departing under technical solution of the present invention ambit,
Technical solution of the present invention is made many possible changes by the method and the technology contents that all may utilize the disclosure above
Move and modify, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every without departing from the technology of the present invention
The content of scheme, according to the present invention technical spirit to any simple modification made for any of the above embodiments, etc.
With change and modification, all still fall within the range of technical solution of the present invention protection.
Claims (22)
1. a deformable friction nanometer power generator, it is characterised in that including:
Electrod assembly, is connected with isopotential electrical；
Friction means, for deformable structure；
Under external force, described friction means shape changes, and rubs with described electrod assembly, removes
After going described external force, described friction means recovers original shape, between described electrod assembly and isoelectric level
Formation electric charge flows.
Electromotor the most according to claim 1, it is characterised in that during original state, described electricity
Pole parts contact with friction means part surface；
Or, during original state, described electrod assembly is not in contact with each other with friction means, at External Force Acting
Under make described electrod assembly and friction means contact with each other, when removing described external force, described electrod assembly and
Friction means is separated from each other.
Electromotor the most according to claim 1 and 2, it is characterised in that described friction means with
Electrod assembly contacts or electronegative, with positive charge on electrod assembly after friction.
4. according to the electromotor described in any one of claim 1-3, it is characterised in that described friction part
Part is wavelike structure, rugosity structure.
5. according to the electromotor described in any one of claim 1-3, it is characterised in that described friction part
Part is macromolecular material.
Electromotor the most according to claim 5, it is characterised in that described friction means is thermoplastic
Property macromolecular material, by thermal anneal process machine-shaping.
7. according to the electromotor described in any one of claim 1-6, it is characterised in that described friction part
In the surface that part and electrod assembly contact with each other, at least one surface configuration micron or secondary micron dimension is micro-
Structure, described micro structure is selected from nano wire, nanotube, nano-particle, nanometer channel, micron trenches,
Nanocone, micron cone, nanometer rods, micron bar, nanosphere and micron chondritic.
8. according to the electromotor described in any one of claim 4-7, it is characterised in that described friction part
The stretcher strain that part can bear is more than 20%.
9. according to the electromotor described in any one of claim 1-8, it is characterised in that described electrod assembly
For stretchable structure.
Electromotor the most according to claim 9, it is characterised in that the stretching of described electrod assembly
Direction is identical with the draw direction of described friction means.
11. according to the electromotor described in claim 9 or 10, it is characterised in that described electrod assembly
Stretching structure is graphical parts.
12. electromotors according to claim 11, it is characterised in that described electrod assembly include to
Few 1 snakelike, waveform or zigzag sub-electrode；Multiple sub-electrodes are connected to one in whole or in part
Rise, or be not connected to mutually.
13. according to the electromotor described in any one of claim 9-12, it is characterised in that also include drawing
Stretching substrate, described electrod assembly is arranged on the substrate.
14. electromotors according to claim 13, it is characterised in that described substrate is stretch modulus
Material at below 1MPa.
15. according to the electromotor described in claim 13 or 14, it is characterised in that described substrate is
PDMS, rubber, elastic fiber or Lycra fiber.
16. according to the electromotor described in any one of claim 9-15, it is characterised in that include two institutes
State electrod assembly and a described friction means, the opposing sides of described friction means and electrod assembly 10
Arrange face-to-face.
17. electromotors according to claim 16, it is characterised in that after two electrod assembly parallel connections
It is connected to isoelectric level；
Or, two electrod assemblies each are attached in an isoelectric level.
18. 1 kinds of motion sensors, it is characterised in that include described in any one of claim 1-17
Friction nanometer power generator, described friction nanometer power generator is attached to motive position.
19. motion sensors according to claim 18, it is characterised in that described friction nanometer
Electromotor uses no side effects and skin is cementitious, have the material of certain form adaptive.
20. 1 kinds of clothing, it is characterised in that include that the friction described in any one of claim 1-17 is received
Rice electromotor.
21. 1 kinds of triboelectricity methods, it is characterised in that use described in any one of claim 1-17
Friction nanometer power generator, external force is applied in described friction nanometer power generator, described friction means occur
Deformation, rubs with described electrod assembly, and after removing external force, described friction means recovers original shape,
Electric charge flowing is formed between electrod assembly and isoelectric level.
22. electricity-generating methods according to claim 20, it is characterised in that described electrod assembly is
Stretchable structure, when external force applies, described friction means deforms with electrod assembly simultaneously, outside removing
After power, described friction means recovers original-shape, shape between electrod assembly and isoelectric level with electrod assembly
Become electric charge flowing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510236378.6A CN106301062B (en) | 2015-05-11 | 2015-05-11 | Deformable friction nanometer power generator and electricity-generating method, motion sensor and clothes |
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| CN201510236378.6A CN106301062B (en) | 2015-05-11 | 2015-05-11 | Deformable friction nanometer power generator and electricity-generating method, motion sensor and clothes |
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| CN106301062B CN106301062B (en) | 2019-04-30 |
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| CN106612080A (en) * | 2017-01-23 | 2017-05-03 | 北京纳米能源与系统研究所 | Fully flexible friction nanogenerator, generator set, energy shoe and motion sensor |
| CN106876240A (en) * | 2017-02-27 | 2017-06-20 | 北京纳米能源与系统研究所 | A kind of ion source device, produce ion pulse method, using and mass spectrograph |
| WO2018045980A1 (en) * | 2016-09-08 | 2018-03-15 | 北京纳米能源与系统研究所 | Deformable flexible nano generator and manufacturing method therefor, sensor and robot |
| WO2018227896A1 (en) * | 2017-06-13 | 2018-12-20 | 北京纳米能源与系统研究所 | Muscle micro-motion detection element, switch device, human-computer interaction system, and front-end device |
| CN109361325A (en) * | 2018-09-10 | 2019-02-19 | 中原工学院 | A kind of high-performance wave mode electret nano friction generator and preparation method thereof |
| CN110346596A (en) * | 2019-07-30 | 2019-10-18 | 南京邮电大学 | A kind of self-powered dynamic friction nanometer motion sensing device and its method for sensing |
| CN110729916A (en) * | 2019-10-21 | 2020-01-24 | 北京纳米能源与系统研究所 | Friction nano generator, self-driven strain sensor and application thereof |
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| CN111313741A (en) * | 2019-01-29 | 2020-06-19 | 北京纳米能源与系统研究所 | Power generation facility of electricity generation can stretch |
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| CN112134481A (en) * | 2020-09-15 | 2020-12-25 | 北京纳米能源与系统研究所 | Friction nanometer generator manufacturing method, generator, braided fabric and sensor |
| CN112611401A (en) * | 2020-11-25 | 2021-04-06 | 北京纳米能源与系统研究所 | Flexible friction nano sensor and man-machine interaction system |
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| CN110346596B (en) * | 2019-07-30 | 2021-08-10 | 南京邮电大学 | Self-driven friction nano motion sensing device and sensing method thereof |
| CN110729916A (en) * | 2019-10-21 | 2020-01-24 | 北京纳米能源与系统研究所 | Friction nano generator, self-driven strain sensor and application thereof |
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| CN111062136B (en) * | 2019-12-20 | 2024-02-09 | 南京大学 | Real-time clothes form determining method and system |
| CN111493501A (en) * | 2020-04-20 | 2020-08-07 | 江苏大学 | Energy collecting backpack based on composite friction nano generator structure |
| CN111624248A (en) * | 2020-06-10 | 2020-09-04 | 苏州大学 | Wearable sweat pH value detection device |
| CN112134481A (en) * | 2020-09-15 | 2020-12-25 | 北京纳米能源与系统研究所 | Friction nanometer generator manufacturing method, generator, braided fabric and sensor |
| CN112611401A (en) * | 2020-11-25 | 2021-04-06 | 北京纳米能源与系统研究所 | Flexible friction nano sensor and man-machine interaction system |
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