CN109149991A - Friction nanometer power generator and triboelectricity method - Google Patents
Friction nanometer power generator and triboelectricity method Download PDFInfo
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- CN109149991A CN109149991A CN201710451679.XA CN201710451679A CN109149991A CN 109149991 A CN109149991 A CN 109149991A CN 201710451679 A CN201710451679 A CN 201710451679A CN 109149991 A CN109149991 A CN 109149991A
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- electrical generation
- generation components
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The present invention relates to electrical generator fields, disclose a kind of friction nanometer power generator.The friction nanometer power generator includes: the first electrical generation components and the second electrical generation components, for rubs mutually or contact separation to produce electricl energy；It wherein, is vacuum between first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.Friction nanometer power generator of the invention can effectively prevent the air breakdown of triboelectric processes, to obtain high power density.
Description
Technical field
The present invention relates to a kind of generators, more particularly to the friction nanometer generating for converting the mechanical energy of application to electric energy
Machine and triboelectricity method.
Background technique
Due to energy crisis and environmental pressure, people have been devoted to research and the huge energy of modern society are maintained to consume
The consumption of environment is minimized simultaneously.Collecting from reproducible natural environment energy is that a kind of alleviating energy crisis has efficacious prescriptions
Case.The friction for collecting the generally existing mechanical energy being but usually wasted in environment of Wang Zhonglin academician's invention in 2012 is received
Rice generator (TENG), has proven to be a far-reaching solution.
As a collection of energy person, the dependence that the commercial applications of friction nanometer power generator are strong is close with its power
Degree, and mantle friction charge density is at quadratic relation.Therefore, people are dedicated to all the time by improving material, structure
Optimization and the methods of surface modification improve the quantity of triboelectric charge.Recognized for example, being artificially injected ion by corona discharge
Charge density is improved to be a kind of direct mode, the result is that the charge density generated is up to 240 μ C m-2, but for a long time
Stablize keep be still problem.Recently, pass through the design and optimization of structure and material, the output charge of friction nanometer power generator
Density is up to 250 μ C m-2.However, the output charge density that may be implemented in research before this is all limited to air breakdown
Phenomenon, and the limiting value of triboelectric charge density is related with friction media thickness degree, in order to obtain high charge density, needs to surpass
Thin dielectric layer, thus the problems such as bringing mechanical strength and stability to reduce.
Summary of the invention
The purpose of the invention is to overcome the problems, such as that the prior art has the air breakdown under high charge density, one is provided
Kind of friction nanometer power generator, which can abolish being associated with for thickness of dielectric layers and triboelectric charge density, with acquisition
High power density.
To achieve the goals above, one aspect of the present invention provides a kind of friction nanometer power generator, the friction nanometer generating
Machine includes:
First electrical generation components and the second electrical generation components, for rubs mutually or contact separation to produce electricl energy；Wherein, described
It is vacuum between first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
Preferably, further include sealing structure, in first electrical generation components and the second electrical generation components rubs mutually or
Vacuum is provided between the surface of contact separation.
Preferably, the sealing structure is vacuum chamber, and first electrical generation components and second electrical generation components are placed in institute
It states in vacuum chamber.
Preferably, the sealing structure is clad, for being coated on first electrical generation components and the second electrical generation components
Between rubs mutually or the surface of contact separation.
Preferably, the vacuum ranges of the vacuum are 10-2—10-7Support.
Preferably, the friction nanometer power generator is slidingtype friction nanometer power generator, contact-separate type friction nanometer hair
Motor, single electrode formula friction nanometer power generator, induction type friction nanometer power generator.
Preferably, first electrical generation components include first electrode layer, and second electrical generation components include frictional layer, described
First electrode layer and the frictional layer are arranged face-to-face and can be with rubs mutually or contact separations.
Preferably, the first electrode layer is electrically connected to equipotential or conductor, and first electrode layer is rubbed mutually with frictional layer
It wipes and generates electric signal between the first electrode layer and the equipotential or conductor during perhaps separateing.
Preferably, second electrical generation components further include:
The second electrode lay, the second electrode lay contact setting, the first electrode layer and frictional layer with the frictional layer
During rubs mutually or contact separation, electric signal is generated between the first electrode layer and the second electrode lay.
Preferably, first electrical generation components include the first frictional layer and contact the first electrode of setting with the first frictional layer
Layer, the second electrical generation components include the second frictional layer and contact the second electrode lay of setting with the second frictional layer；
First frictional layer is arranged face-to-face with second frictional layer, and first frictional layer and described second
During frictional layer rubs mutually or contact separation, electric signal is generated between the first electrode layer and the second electrode lay.
Preferably, the frictional layer is dielectric layer.
Preferably, the dielectric layer with a thickness of 30nm-1mm.
Preferably, first electrical generation components and/or second electrical generation components are provided with buffer layer；
And/or
At least one in first electrical generation components and the second electrical generation components is compliant member.
Preferably, the sealing structure is flexible material.
Preferably, the sealing structure includes gas outlet, and the gas outlet is for connecting vacuum equipment.
Correspondingly, the present invention also provides a kind of triboelectricity method, using friction nanometer generating described in any of the above embodiments
Machine, which comprises
By first electrical generation components and the second electrical generation components rubs mutually or contact separation to produce electricl energy, wherein institute
It states between the first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation as vacuum.
Preferably, the method also includes:
Before first electrical generation components and the second electrical generation components rubs mutually or contact separation are to produce electricl energy, to described
It is vacuumized between first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
Preferably, the vacuum ranges of the vacuum are 10-2—10-7Support.
Through the above technical solutions, can effectively prevent the air breakdown of triboelectric processes under a high vacuum.Relative to work
Make the friction nanometer power generator of (1 standard atmospheric pressure) in an atmosphere, available 20 times of power density of the present invention or more mention
It is high.In addition, due among vacuum, triboelectric charge density of the invention is not restricted by friction media thickness degree, can using compared with
Thick friction media layer, to reduce cost and improve the stability of friction nanometer power generator.Further, the present invention is using soft
Property material, is capable of providing flexible contact and fragmentation structure, to enhance the output performance of friction nanometer power generator.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the typical structure schematic diagram of friction nanometer power generator according to the present invention；
Fig. 2 is the structural schematic diagram of friction nanometer power generator according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of friction nanometer power generator in accordance with another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of according to embodiments of the present invention 2 friction nanometer power generator；
Fig. 5 a-e is according to embodiments of the present invention 2 test result；
Fig. 6 is the structural schematic diagram of the friction nanometer power generator of another embodiment according to the present invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Friction nanometer power generator provided by the invention includes the first electrical generation components and the second electrical generation components, is used for rubs mutually
Or contact separation is to produce electricl energy；Wherein, first electrical generation components and the second electrical generation components rubs mutually or contact separation
It is vacuum between surface.
In the friction nanometer power generator of existing all structures, as long as the power generation being related to can be contacted with each other at two
The friction that separates or slide over each other generates the electric generator structure of electric signal, is suitable for the invention friction nanometer power generator, wraps
Include slidingtype friction nanometer power generator, contact-separate type friction nanometer power generator, single electrode formula friction nanometer power generator, induction
Formula friction nanometer power generator etc..Present invention firstly provides collecting mechanical energies under vacuum conditions to be changed into electric energy, can significantly mention
High-energy conversion efficiency.
Novel friction nano generator and electricity-generating method provided by the invention are specifically introduced with reference to the accompanying drawing.
A kind of typical structure of friction nanometer power generator referring to Fig. 1, including the first electrical generation components A and the second electrical generation components B,
Wherein, the first electrical generation components A includes the first frictional layer a1 and contacts the first electrode layer a2 of setting with the first frictional layer a1, and second
Electrical generation components B includes the second frictional layer b1 and contacts the second electrode lay b2 of setting with the second frictional layer b1.Wherein, the first friction
Layer a1 and the second frictional layer b1 is arranged face-to-face, and the first frictional layer a1 and the second frictional layer b1 rubs mutually or contact separation
During (in figure shown in arrow direction), electric signal is generated between first electrode layer a2 and the second electrode lay b2.Due to two
The mantle friction electrode sequence of frictional layer a1 and b1 material has differences, such as different types of organic matter or conductor and insulation
Body, during contacting with each other separation or sliding friction, the charge that surface has is disconnected from each other, potential difference is generated, in order to balance
The potential difference, there are charge flowings between first electrode layer a2 and the second electrode lay b2, form electric signal.
When the material of one frictional layer selects conductive material, frictional layer and electrode layer can be functioned simultaneously as, therefore can save
Slightly it is in contact with it the electrode layer of setting.As shown in Figure 2, the first electrical generation components include that first electrode layer 12 (functions simultaneously as first
Frictional layer), the second electrical generation components include frictional layer 13 and contact the second electrode lay 16 of setting, first electrode with frictional layer 13
Layer 12 is arranged face-to-face with frictional layer 13 and can be with rubs mutually or contact separation.
Friction nanometer power generator in Fig. 1 is integrally placed in vacuum environment, sealing structure can be set, the sealing knot
Structure is for providing vacuum between the first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.The sealing
Structure can be vacuum chamber, and such as the seal chamber 11 in Fig. 2, the first electrical generation components and the second electrical generation components are all disposed within entirely
In seal chamber 11.Sealing structure may be clad, such as Fig. 6, for being coated on the first electrical generation components and the second electrical generation components
Between rubs mutually or the surface of contact separation, such as clad only is set (such as between the first frictional layer and the second frictional layer
Clad 31 is set between first electrode layer 12 and frictional layer 13).To two power generations with needs with friction nanometer power generator
The case where component is mutually mobile and deforms, the material for forming sealing structure is preferably flexible material, sealing structure can by
External mechanical effect is lower to occur corresponding shape change.The material of sealing structure is preferably flexible organic matter insulating materials, such as
Silica gel etc..
In the friction nanometer power generator of stagged electrode structure, the first component includes first electrode layer, and second component includes rubbing
Wipe layer, first electrode can directly perhaps conductor be electrically connected first electrode layer and frictional layer rubs mutually or contacts point with ground
From in the process, electric signal is generated between first electrode layer and the equipotential or conductor.
Fig. 2 is the structural schematic diagram of friction nanometer power generator according to an embodiment of the invention.The friction nanometer generating
Machine includes vacuum chamber 11, first electrode 12, frictional layer 13, contacts the second electrode 16 being arranged with frictional layer 13.Vacuum chamber 11 is
Sealing structure, for providing vacuum in vacuum chamber for friction nanometer power generator.First electrode 12, frictional layer 13 and second electrode
16 are placed in vacuum chamber 11, and rubs mutually generates under first electrode 12 and frictional layer 13 vacuum environment provided by vacuum chamber 11
Electric energy.First electrode 12 and second electrode 16 pass through conducting wire 14 and are connected to load 15, to provide electric energy to load.Load 15 can be set
In the outside or the inside of vacuum chamber 11.
Friction nanometer power generator of the invention, sealing structure can make the vacuum chamber being fully sealed, and cannot be in communication with the outside,
Also gas outlet can be set, vacuumize acquisition when required by vacuum equipment, such design can widen friction nanometer hair
The application range of motor, either under vacuum environment or normal atmospheric pressure can be used.Fig. 3 is another according to the present invention
The structural schematic diagram of the friction nanometer power generator of a embodiment.The friction nanometer power generator is similar to the friction nanometer generating of Fig. 2
Machine, but further include the gas outlet of vacuum chamber 11 (i.e. sealing structure), for connecting vacuum equipment such as vacuum pump 17.17 He of vacuum pump
Gas outlet connects and vacuumizes to the vacuum chamber.
The present invention especially works as vacuum degree by vacuumizing to the friction nanometer power generator device for including sealing structure
Reach 10-6When torr or more, the air breakdown of triboelectric processes can be effectively prevented.In the present invention, friction nanometer power generator
Two electrical generation components contact with each other vacuum between separation or the surface of sliding friction vacuum ranges be 10-2—10-7
Support.
Embodiment 1
Embodiment 1 uses contact-separate type friction nanometer power generator, wherein metal copper electrode and polytetrafluoroethylene film
Direct friction, friction area are 3cm X 3cm, and the surface charge density to rub in an atmosphere is 46 μ C m-2, when vacuum degree reaches
10-6When torr or more, surface charge density reaches 203 μ C m-2.Under identical friction frequency, peak power output density by
0.71Wcm in atmosphere-2Promote the 14.6Wcm in vacuum-2.It rubs in an atmosphere (1 standard atmospheric pressure) relative to work
Wipe nano generator, available 20 times of power density or more of raising.
Embodiment 2
In contact-separate type friction nanometer power generator, since the first electrical generation components and the second electrical generation components contact with each other
Breakaway sport can set at least one in the first electrical generation components and the second electrical generation components to improve the output of generator
It is set to compliant member, flexible material is selected to prepare electrical generation components, makes to contact with each other formula raising CONTACT WITH FRICTION area.Such as frictional layer
Organic matter flexible material is all made of with electrode layer.It can also be on the first electrical generation components or the second electrical generation components of rigidity individually
Buffer layer flexible is set.The material of buffer layer selects flexible material, such as foam cotton or the rubber of elasticity etc..
Embodiment 2 uses improved contact-separate type friction nanometer power generator, wherein in the first electrical generation components and/or
The back side setting flexible material of second electrical generation components improves CONTACT WITH FRICTION efficiency as buffer layer.Fig. 4 shows rubbing for embodiment 2
Nano generator is wiped, the flexible material 22 (for example, rubber) as buffer layer is placed in (the first Power Generation Section lower metal copper electrode 21a
Part) and lower substrate 24a (for example, acrylic panel) between, upper metal copper electrode 21b is placed in 23 He of polytetrafluoroethylene (PTFE) (PTFE) film
Between upper base substrate 24b.Lower metal copper electrode 21a and upper metal copper electrode 21b is electrically connected (not shown) by conducting wire.It is logical
Metal copper electrode 21a is crossed down with contact-separation of polytetrafluoroethylene film 23 to produce electricl energy.Due to flexible contact and fragmentation
The output performance of friction nanometer power generator can be enhanced in structure, and when Cu electrode and PTFE are in contact, rubber conforms to machinery
Pressure, to improve the exposure level of the two.Test result shows the triboelectric charge density of friction nanometer power generator in an atmosphere
Measured value has reached 120 μ Cm-2(such as Fig. 5 a), this is about the 2.4 of traditional TENG of no soft contact or fragmentation structure
Times.When similarly plus friction nanometer power generator (P~10 in a vacuum of buffer layer-6It, can be to avoid generation pa when torr) working
The breakdown of atmosphere described in Xing Dinglv, therefore triboelectric charge density is also by 120 μ C m-2660 μ C m are promoted-2(such as Fig. 5 a).Phase
Ying Di, open-circuit voltage have also been increased to 100V (such as Fig. 5 b) by 20V, and the peak value of short circuit current is by 60mA m-2It is increased to 300mA
m-2(such as Fig. 5 c)；In the only low frequency of 2Hz, under the conditions of loading 20M Ω, peak power output density is also by 0.75W m-2(as schemed
5d) increase to 16W m-2(such as Fig. 5 e).
Embodiment 3
Embodiment 3 uses improved contact-separate type friction nanometer power generator, wherein metal copper electrode and polytetrafluoro
The back side of vinyl film adds flexible material to improve CONTACT WITH FRICTION efficiency, friction area 0.8cm2.When medium strata four
The thickness of vinyl fluoride is from when increasing to 600 μm for 200 μm, and the surface charge density of friction in an atmosphere is from 120 μ C m-2Drop to 90
μC m-2, and charge density in a vacuum is from 660 μ C m-2It is slightly increased to 680 μ C m-2.From the above, dielectric layer film thickness
It is to have a very big impact to triboelectric charge density.When the thickness of PTFE in an atmosphere increases to 600 μm by 200 μm, charge
Density is by 120 μ C m-2It is reduced to 90 μ C m-2, because gap voltage can increase with the increase of the thickness of film, that is,
Say that charge density is lower, gap voltage is bigger, and air breakdown is easier.As among vacuum just without considering that air is hit
It wears, when PTFE is thicker, the triboelectric charge density of friction nanometer power generator actually can slightly be got higher, and reach 680 μ C m-2, this
It is due to bigger exposure level, and output power density is also by the 0.4W m in atmosphere-2It is increased to 20W m-2, enhance
49 times.Therefore, improving the performance of friction nanometer power generator by using high vacuum is not limited by thickness of insulating layer.
Triboelectric charge density is not restricted by friction layer thickness in the present invention, can be using thicker dielectric layer as frictional layer
Material, to reduce cost and improve the stability of friction nanometer power generator.Preferably, the thickness range of the dielectric layer can be with
For 30nm-1mm.
Technical solution of the present invention is also suitable for existing all types of friction nanometer power generators, it is experimentally confirmed that
Under vacuum condition, the output performance of friction nanometer power generator increases.
Friction nanometer power generator of the invention can be used for the extensive energy, such as sea as a kind of efficient mechanical energy collecting device
Unrestrained energy, alternatively, integrating device from driving power module as one.
Embodiment 4
The present invention also provides a kind of triboelectricity methods, by the first electrical generation components of above-mentioned friction nanometer power generator and second
Electrical generation components rubs mutually or contact separation are to produce electricl energy, wherein first electrical generation components and the second electrical generation components are mutual
It is vacuum between the surface of friction or contact separation.
It can be right before first electrical generation components and the second electrical generation components rubs mutually or contact separation are to produce electricl energy
It is vacuumized between first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation；It can also be
It is vacuumized during electrical power generators to provide the first electrical generation components and the second electrical generation components rubs mutually or contact separation
Surface between vacuum.
In the present embodiment, the vacuum ranges of vacuum are 10-2-10-6Support.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
, can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention, including each particular technique
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention
Protection scope.
Claims (18)
1. a kind of friction nanometer power generator, which is characterized in that the friction nanometer power generator includes:
First electrical generation components and the second electrical generation components, for rubs mutually or contact separation to produce electricl energy；Wherein, described first
It is vacuum between electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
2. friction nanometer power generator according to claim 1, which is characterized in that further include sealing structure, for described
Vacuum is provided between first electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
3. friction nanometer power generator according to claim 2, which is characterized in that the sealing structure is vacuum chamber, described
First electrical generation components and second electrical generation components are placed in the vacuum chamber.
4. friction nanometer power generator according to claim 2, which is characterized in that
The sealing structure is clad, for being coated on first electrical generation components and the second electrical generation components rubs mutually or connecing
It touches between isolated surface.
5. friction nanometer power generator described in -4 any one according to claim 1, which is characterized in that the vacuum degree of the vacuum
Range is 10-2—10-7Support.
6. friction nanometer power generator described in -5 any one according to claim 1, which is characterized in that the friction nanometer generating
Machine is slidingtype friction nanometer power generator, contact-separate type friction nanometer power generator, single electrode formula friction nanometer power generator, sense
Answer formula friction nanometer power generator.
7. friction nanometer power generator described in -5 any one according to claim 1, which is characterized in that first electrical generation components
Including first electrode layer, second electrical generation components include frictional layer, and the first electrode layer is set face-to-face with the frictional layer
It sets and can be with rubs mutually or contact separation.
8. friction nanometer power generator according to claim 7, which is characterized in that the first electrode layer is electrically connected to equal electricity
Position is perhaps during conductor first electrode layer and frictional layer rubs mutually or contact separation, in the first electrode layer and institute
It states and generates electric signal between equipotential or conductor.
9. friction nanometer power generator according to claim 7, which is characterized in that second electrical generation components further include:
The second electrode lay, the second electrode lay contact setting with the frictional layer, and the first electrode layer and frictional layer are mutual
During friction or contact separation, electric signal is generated between the first electrode layer and the second electrode lay.
10. friction nanometer power generator described in -5 any one according to claim 1, which is characterized in that
First electrical generation components include the first frictional layer and contact the first electrode layer of setting with the first frictional layer, the second power generation
Component includes the second frictional layer and contacts the second electrode lay of setting with the second frictional layer；
First frictional layer is arranged face-to-face with second frictional layer, and first frictional layer and second friction
During layer rubs mutually or contact separation, electric signal is generated between the first electrode layer and the second electrode lay.
11. according to the described in any item friction nanometer power generators of claim 7-10, which is characterized in that the frictional layer is medium
Layer.
12. friction nanometer power generator according to claim 11, which is characterized in that the dielectric layer with a thickness of 30nm-
1mm。
13. -12 described in any item friction nanometer power generators according to claim 1, which is characterized in that first electrical generation components
And/or second electrical generation components are provided with buffer layer；
And/or
At least one in first electrical generation components and the second electrical generation components is compliant member.
14. according to the described in any item friction nanometer power generators of claim 2-4, which is characterized in that the sealing structure is soft
Property material.
15. according to claim 2-4,14 described in any item friction nanometer power generators, which is characterized in that the sealing structure packet
Port is included, the gas outlet is for connecting vacuum equipment.
16. a kind of triboelectricity method, which is characterized in that use the described in any item friction nanometer generatings of claim 1-14
Machine, which comprises
By first electrical generation components and the second electrical generation components rubs mutually or contact separation to produce electricl energy, wherein described the
It is vacuum between one electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
17. according to the method for claim 16, which is characterized in that the method also includes:
Before first electrical generation components and the second electrical generation components rubs mutually or contact separation are to produce electricl energy, to described first
It is vacuumized between electrical generation components and the second electrical generation components rubs mutually or the surface of contact separation.
18. method according to claim 16 or 17, which is characterized in that the vacuum ranges of the vacuum are 10-2—10-7
Support.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451679.XA CN109149991A (en) | 2017-06-15 | 2017-06-15 | Friction nanometer power generator and triboelectricity method |
| PCT/CN2018/090819 WO2018228373A1 (en) | 2017-06-15 | 2018-06-12 | Triboelectric nanogenerator and triboelectric power generation method |
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| CN201710451679.XA CN109149991A (en) | 2017-06-15 | 2017-06-15 | Friction nanometer power generator and triboelectricity method |
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| CN112751499B (en) * | 2019-10-29 | 2022-04-08 | 苏州慧闻纳米科技有限公司 | Friction nanometer generator based on micro-electro-mechanical system and preparation method thereof |
| CN111245283A (en) * | 2020-02-20 | 2020-06-05 | 北京纳米能源与***研究所 | Friction nanogenerator with lubricant |
| CN111245283B (en) * | 2020-02-20 | 2022-10-25 | 北京纳米能源与***研究所 | Friction nanogenerator with lubricant |
| CN111510015A (en) * | 2020-03-23 | 2020-08-07 | 华东师范大学 | Friction nano generator with friction layer double-sided microstructure and preparation method thereof |
| CN111510015B (en) * | 2020-03-23 | 2023-07-25 | 华东师范大学 | Friction nano generator with friction layer double-sided microstructure and preparation method thereof |
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Address after: No.8, yangyandong 1st Road, Yanqi Economic Development Zone, Huairou District, Beijing Applicant after: Beijing Institute of Nanoenergy and Nanosystems Address before: Block C, Tiangong building, 30 Xueyuan Road, Haidian District, Beijing 100083 Applicant before: Beijing Institute of Nanoenergy and Nanosystems |
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Application publication date: 20190104 |