CN115001306A - Light-weight triboelectric nano-generator based on paper folding structure and application thereof - Google Patents
Light-weight triboelectric nano-generator based on paper folding structure and application thereof Download PDFInfo
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- CN115001306A CN115001306A CN202210759682.9A CN202210759682A CN115001306A CN 115001306 A CN115001306 A CN 115001306A CN 202210759682 A CN202210759682 A CN 202210759682A CN 115001306 A CN115001306 A CN 115001306A
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- 239000000758 substrate Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000010146 3D printing Methods 0.000 claims abstract description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 10
- 239000004626 polylactic acid Substances 0.000 claims description 10
- -1 polyoxymethylene, ethyl Polymers 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 229920001875 Ebonite Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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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
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/04—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including folding or pleating, e.g. Chinese lanterns
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- Laminated Bodies (AREA)
Abstract
The invention discloses a light-weight triboelectric nano-generator based on a paper folding structure and application thereof, and aims to solve the technical problems that most of the existing nano-generators are hard and the generating efficiency is low. The light triboelectric nano-generator based on the paper folding structure comprises a substrate, a first friction layer and a second friction layer, wherein the substrate is made of a PLA flexible film material, creases are formed on the substrate, each friction pair is composed of a first friction layer and a second friction layer which are arranged at intervals, the first friction layer and the second friction layer in each friction pair are arranged opposite to the creases on the substrate, the substrate is divided into four small square areas through two symmetry axes, and the paper folding structure is formed in the small square areas along the creases on the substrate. The substrate is manufactured through 3D printing, the structure is simple, a plurality of local friction pairs are formed inside the light-weight triboelectricity nano generator pack, and compared with a single-mode generator, the light-weight triboelectricity nano generator pack can generate larger electric signals under the same pressure, and the generating efficiency is higher.
Description
Technical Field
The invention belongs to the field of nano generators, and particularly relates to a light-weight triboelectric nano generator.
Background
With the continuous development and progress of science and technology, the modern society is continuously advancing towards miniaturization, wireless and intelligent. However, the energy supply problem of the small intelligent devices widely used at present is urgently needed to be solved. The nano generator can convert the tiny mechanical energy which is often neglected in life into electric energy, and provides a good solution for the problems. And the nano generator can simultaneously have various performances such as flexibility, hydrophobicity, shape memory and the like through various methods such as material selection, structure construction and the like. The common structural material of the existing nano generator is hard and the preparation process is complicated.
Disclosure of Invention
The invention provides a light-weight friction power nano-generator based on a paper folding structure and application thereof, aiming at solving the technical problems that the existing nano-generator is mostly hard in structure, complex in preparation process and low in generating efficiency.
The light friction electricity nano generator based on the paper folding structure comprises a substrate, a first friction layer and a second friction layer, wherein the substrate is made of a PLA (polylactic acid) flexible film material, the substrate is square, creases are formed on the substrate, each friction pair is composed of the first friction layer and the second friction layer which are arranged at intervals, the first friction layer and the second friction layer in each friction pair are arranged opposite to the creases on the substrate, the substrate is divided into four small square areas through two symmetrical axes, and the paper folding structure is formed in the small square areas along the creases on the substrate.
The invention relates to a light friction electric nano generator based on a paper folding structure, which is applied to collect mechanical energy to generate electricity by taking the light friction electric nano generator as a shock absorber.
The light-weight triboelectric nano-generator converts mechanical energy into electric energy based on the principles of triboelectrification and electrostatic induction. Two materials with different electron gaining and losing capabilities are respectively adhered to the light triboelectric nano-generator with the paper folding structure, and when the two materials are mutually contacted under the external force of the whole structure, the material with strong electron gaining and losing capabilities has electronegativity; the material with weak electron ability shows electropositivity. When the external force is weakened, the two materials are separated from each other, the same amount of charges with different signs exist on the surfaces of the two materials, and then the charges are led out to an external circuit through an electrode pasted on one side of the materials through a lead, so that current is formed and an electric signal is displayed.
The light-weight friction electricity nano generator based on the paper folding structure has the characteristic of large deformation, has good resilience of the whole structure, and can be used as a shock absorber to collect mechanical energy to achieve the power generation effect.
The light-weight friction electricity nano generator based on the paper folding structure has the following beneficial effects:
1. the light triboelectric nanometer generator has the advantages of common raw material, low price, simple processing, simple integral structure and high reliability.
2. The substrate is manufactured through 3D printing, and the whole rigidity can be adjusted through reagent cleaning, so that the substrate is suitable for different application scenes.
3. According to the light-weight triboelectricity nano generator, a plurality of local friction pairs are formed inside the light-weight triboelectricity nano generator pack, and compared with a single-mode generator, the light-weight triboelectricity nano generator can generate larger electric signals under the same pressure, so that the generating efficiency is higher.
4. The substrate material in the light-weight triboelectric nano-generator is soft, the substrate material is combined with a bendable structure of folded paper, the rebound resilience is good, the substrate material can be contracted through the folds under a pressed state, and the substrate material can be used as a shock absorber to effectively collect mechanical energy for power generation.
5. The invention has high durability, can be repeatedly used and keeps constant electric output.
Drawings
FIG. 1 is a schematic view of a fold on a substrate in an embodiment, wherein the bold lines represent fold lines that fold downward (valley fold);
FIG. 2 is a schematic diagram showing the adhesion area of the rubbing layer on the substrate in the embodiment, in which area A represents a Teflon film and area B represents a copper foil (copper tape);
FIG. 3 is a schematic diagram of the overall structure of a light triboelectric nano-generator based on a paper folding structure according to an embodiment;
FIG. 4 is a graph of the AC output voltage of the light triboelectric nano-generator based on the paper folding structure according to the embodiment;
fig. 5 is a dc output voltage test chart of the light-weight triboelectric nano-generator based on the paper folding structure according to the embodiment.
Detailed Description
The first specific implementation way is as follows: the light friction electricity nano generator based on the paper folding structure comprises a substrate 1, a first friction layer 2-1 and a second friction layer 2-2, wherein the substrate 1 is made of a PLA (polylactic acid) flexible film material, the substrate 1 is square, creases are arranged on the substrate 1, each friction pair consists of a first friction layer 2-1 and a second friction layer 2-2 which are arranged at intervals, the first friction layer 2-1 and the second friction layer 2-2 in each friction pair are arranged relative to the creases on the substrate 1, the substrate 1 is divided into four small square areas through two symmetrical shafts, and the paper folding structure is formed in the small square areas along the creases on the substrate 1.
The substrate in the light-weight friction electricity nano generator based on the paper folding structure is obtained by a PLA material (polylactic acid) through a 3D printing technology, designed creases are carved on the substrate, and the rebound resilience is good. The first friction layer and the second friction layer are attached to two sides of the crease on the substrate at intervals to form a plurality of friction pairs. The nano generator has a large deformation effect, can be used as a damping device to collect mechanical energy for power generation, and has good durability.
The second embodiment is as follows: this embodiment differs from the first embodiment in that the substrate 1 is prepared by a 3D printing process.
The third concrete implementation mode: the present embodiment is different from the second embodiment in that the length x width of the substrate 1 is (100 to 500mm) × (100 to 500 mm).
The fourth concrete implementation mode is as follows: the difference between this embodiment and one of the first to third embodiments is that the first friction layer 2-1 and the second friction layer 2-2 are made of polyoxymethylene, ethyl cellulose, polyamide, melamine, wool, silk, aluminum foil, paper, cotton, steel, wood, hard rubber, nickel, copper, silver, cellulose acetate, polymethyl methacrylate, polyvinyl alcohol, polyurethane, polyethylene terephthalate, polyvinyl butyral, polyimide, polydimethylsiloxane, or polytetrafluoroethylene, and the first friction layer 2-1 and the second friction layer 2-2 are made of different materials.
The fifth concrete implementation mode: the fourth difference between the present embodiment and the present embodiment is that when the first friction layer 2-1 and the second friction layer 2-2 are made of insulating materials, a conductive tape is attached to the surface of the friction layer to serve as an electrode.
The sixth specific implementation mode is as follows: the difference between this embodiment and the fourth embodiment is that the first friction layer 2-1 is made of teflon film, and the second friction layer 2-2 is made of copper tape.
In this embodiment, a conductive tape is attached to one side of the polytetrafluoroethylene to serve as an electrode.
The seventh embodiment: the present embodiment is different from one of the first to sixth embodiments in that the first friction layer 2-1 and the second friction layer 2-2 have a thickness of 0.5 to 1.5 mm.
The specific implementation mode is eight: this embodiment is different from one of the first to sixth embodiments in that the first friction layer 2-1 and the second friction layer 2-2 are stuck on the substrate 1.
In the embodiment, the plurality of friction pairs are externally integrated in a parallel connection mode after being respectively led out of the leads.
The specific implementation method nine: this embodiment is different from the first to eighth embodiments in that a plurality of creases are symmetrically provided along a diagonal line of the (substrate) in each small square region to form a V-shaped origami structure, and the creases in the small square region are parallel to the sides of the square.
Example (b): the light-weight friction electricity nano generator based on the paper folding structure comprises a substrate 1, a first friction layer 2-1 and a second friction layer 2-2, wherein the substrate 1 is made of PLA (polylactic acid) flexible film material, the substrate 1 is square, the substrate 1 is provided with a crease, wherein two creases are positioned on the diagonal line of the substrate 1, each friction pair is composed of a first friction layer 2-1 and a second friction layer 2-2 which are arranged at intervals, the first friction layer 2-1 and the second friction layer 2-2 in each friction pair are arranged opposite to the creases on the substrate 1, the substrate 1 is divided into four small square areas through two symmetrical axes, and a plurality of folds are symmetrically arranged in each small square area along the diagonal line to form a multi-layer V-shaped paper folding structure, and the folds in the small square areas are parallel to the sides of the square.
The thickness of the flexible substrate of the embodiment is 1mm, and the flexible substrate plays a supporting role at the same time.
In this embodiment, the first friction layer 2-1 is made of a copper tape and is used as a friction material and a conductive electrode; the second friction layer 2-2 is made of a polytetrafluoroethylene film, is not conductive, and is adhered with a conductive adhesive tape on the back surface thereof to serve as an electrode.
In this embodiment, the friction pairs are directly connected in parallel and then connected to an oscilloscope, and an external force of 10N is applied to the whole structure to measure the open-circuit voltage. Square printing paper (70 g/m) having a length of 19.2cm (side length) before folding of the substrate 2 ) And eight equal folding, wherein the width of each friction layer is 2.2 cm. The direct measurement shows that the alternating current output voltage of the light triboelectric nanometer generator is 20V, and the direct current voltage output after the light triboelectric nanometer generator is connected with a rectifier bridge is 13.5V.
The light triboelectricity nano generator has a large deformation effect, can be used as a damping device to collect mechanical energy for power generation, and has good durability.
Claims (10)
1. The light triboelectric nanogenerator based on a paper folding structure is characterized by comprising a substrate (1), a first friction layer (2-1) and a second friction layer (2-2), wherein the substrate (1) is made of a PLA (polylactic acid) flexible film material, the substrate (1) is square, creases are arranged on the substrate (1), each friction pair consists of the first friction layer (2-1) and the second friction layer (2-2) which are arranged at intervals, the first friction layer (2-1) and the second friction layer (2-2) in each friction pair are arranged relative to the creases on the substrate (1), the substrate (1) is divided into four small square areas through two symmetry axes, and the small square areas form a paper folding structure along the creases on the substrate (1).
2. The lightweight triboelectric nanogenerator based on origami structure according to claim 1, characterized in that the substrate (1) is prepared by 3D printing process.
3. The lightweight triboelectric nanogenerator based on origami structure as claimed in claim 2, characterized in that the length x width of the substrate (1) is (100-500 mm) x (100-500 mm).
4. The lightweight friction electric nano-generator based on the origami structure of claim 1, characterized in that the first friction layer (2-1) and the second friction layer (2-2) are made of polyoxymethylene, ethyl cellulose, polyamide, melamine, wool, silk, aluminum foil, paper, cotton, steel, wood, hard rubber, nickel, copper, silver, cellulose acetate, polymethyl methacrylate, polyvinyl alcohol, polyurethane, polyethylene terephthalate, polyvinyl butyral, polyimide, polydimethylsiloxane or polytetrafluoroethylene, and the first friction layer (2-1) and the second friction layer (2-2) are made of different materials.
5. The light-weight friction nano-generator based on the origami structure according to claim 4, wherein when the first friction layer (2-1) and the second friction layer (2-2) are made of insulating materials, a conductive tape is adhered on the surface of the friction layers to serve as an electrode.
6. The light-weight friction electric nano generator based on the paper folding structure as claimed in claim 4, characterized in that the material of the first friction layer (2-1) is Teflon film, and the material of the second friction layer (2-2) is copper adhesive tape.
7. The light-weight friction electric nano generator based on paper folding structure as claimed in claim 1, characterized in that the thickness of the first friction layer (2-1) and the second friction layer (2-2) is 0.5-1.5 mm.
8. The light-weight triboelectric nanogenerator based on origami structure as claimed in claim 1, characterized in that the first friction layer (2-1) and the second friction layer (2-2) are pasted on the substrate (1).
9. The light-weight triboelectric nanogenerator based on origami structure as claimed in claim 1, characterized in that a plurality of folds are symmetrically arranged along the diagonal in each small square area to form a V-shaped origami structure, the folds in the small square area are parallel to the sides of the square.
10. The application of the light triboelectric nano-generator based on the paper folding structure is characterized in that the light triboelectric nano-generator is used as a shock absorber to collect mechanical energy for power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210759682.9A CN115001306A (en) | 2022-06-29 | 2022-06-29 | Light-weight triboelectric nano-generator based on paper folding structure and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210759682.9A CN115001306A (en) | 2022-06-29 | 2022-06-29 | Light-weight triboelectric nano-generator based on paper folding structure and application thereof |
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| CN115001306A true CN115001306A (en) | 2022-09-02 |
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| CN202210759682.9A Pending CN115001306A (en) | 2022-06-29 | 2022-06-29 | Light-weight triboelectric nano-generator based on paper folding structure and application thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429483A (en) * | 2018-01-23 | 2018-08-21 | 江苏大学 | A kind of friction nanometer power generator of helical fold elastic construction |
| CN111835225A (en) * | 2019-04-18 | 2020-10-27 | 纳智源科技（唐山）有限责任公司 | Friction generator with folding structure |
| CN113270933A (en) * | 2021-06-28 | 2021-08-17 | 上海大学 | Triboelectricity-electromagnetism composite energy collecting device based on paper folding structure |
| CN113437898A (en) * | 2021-06-23 | 2021-09-24 | 上海大学 | Paper-based triboelectric self-powered multi-scale man-machine interaction device |
| CN113644841A (en) * | 2021-08-17 | 2021-11-12 | 南京工业大学 | Preparation method and application of paper-based friction nano-generator |
| CN114324144A (en) * | 2021-12-27 | 2022-04-12 | 同济大学 | Pavement self-driven skid resistance detection device and method based on paper folding-friction nano power generation technology |
-
2022
- 2022-06-29 CN CN202210759682.9A patent/CN115001306A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429483A (en) * | 2018-01-23 | 2018-08-21 | 江苏大学 | A kind of friction nanometer power generator of helical fold elastic construction |
| CN111835225A (en) * | 2019-04-18 | 2020-10-27 | 纳智源科技（唐山）有限责任公司 | Friction generator with folding structure |
| CN113437898A (en) * | 2021-06-23 | 2021-09-24 | 上海大学 | Paper-based triboelectric self-powered multi-scale man-machine interaction device |
| CN113270933A (en) * | 2021-06-28 | 2021-08-17 | 上海大学 | Triboelectricity-electromagnetism composite energy collecting device based on paper folding structure |
| CN113644841A (en) * | 2021-08-17 | 2021-11-12 | 南京工业大学 | Preparation method and application of paper-based friction nano-generator |
| CN114324144A (en) * | 2021-12-27 | 2022-04-12 | 同济大学 | Pavement self-driven skid resistance detection device and method based on paper folding-friction nano power generation technology |
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Inventor after: Liu Yizhi Inventor after: Zhang Zeyu Inventor after: Yang Zhiqiang Inventor after: Liu Xu Inventor after: Yang Shuai Inventor after: Liu Xiangji Inventor after: Chen Yinuo Inventor after: Wang Sisi Inventor before: Liu Yizhi Inventor before: Zhang Zeyu Inventor before: Liu Xu Inventor before: Yang Shuai Inventor before: Liu Xiangji Inventor before: Chen Yinuo |