CN110165939B - Sliding type generator based on double charge layers and power generation method thereof - Google Patents
Sliding type generator based on double charge layers and power generation method thereof Download PDFInfo
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Abstract
A sliding generator based on double electric charge layers and a power generation method thereof. The sliding type generator is provided with a first component and a second component, wherein the first component consists of a first film layer and a first conducting layer, and the first conducting layer is tightly attached to the back of the first film layer; the second component consists of a second thin film layer and a second conducting layer, and the second conducting layer is tightly attached to the back of the second thin film layer; the surface of the charged first film layer, the surface of the charged second film layer and electrolyte ions in the solution form a double-charge layer, and the whole body is kept neutral; under the action of external force, the first thin film layer and the second thin film layer slide relatively to cause the change of the overlapping area in the sliding process, liquid between the overlapping parts and charged particles in the liquid are removed, the double charge layer is damaged, and charges on the surfaces of the first thin film layer and the second thin film layer cannot be shielded by heterogeneous charged ions in the solution, so that potential difference is induced in the first conductive layer and the second conductive layer, electrons are driven to flow, and current is formed in an external circuit.
Description
Technical Field
The invention relates to a generator, in particular to a sliding type generator based on a double charge layer and a power generation method thereof.
Background
With the development of world economy, the consumption of human energy is increasing day by day, and the large consumption of fossil energy such as petroleum and coal brings serious energy shortage and environmental problems. The search for green, renewable energy has become a consensus in human society. The ocean contains abundant kinetic energy, and can provide continuous and clean energy supply. Due to the low energy density of tidal energy, ocean current energy, etc. in the ocean, the efficiency of conventional hydroelectric generator technology is low, and large-scale application cannot be realized (Lin W Z. catch wave power in flowing nets. Nature,2017,542(7640): 159-. The output of the friction nano-generator in the air is sharply reduced even to 0 under the condition of higher humidity, and the utilization of ocean energy is greatly limited (Guo H, Chen J, Tian L, et al. air flow-Induced Triboelectric Nanogenerator a Self-Powered Sensor for detecting Humidity and air flow rate. ACS Applied Materials & Interfaces 2014,6(19):17184 and 17189).
Disclosure of Invention
The invention aims to provide a sliding type generator based on a double charge layer and a power generation method thereof, wherein the sliding type generator can convert mechanical energy in a solution into electric energy.
The sliding type generator based on the double-charge layer is provided with a first part and a second part, wherein the first part consists of a first film layer and a first conductive layer, and the first conductive layer is tightly attached to the back of the first film layer; the second component consists of a second thin film layer and a second conducting layer, and the second conducting layer is tightly attached to the back of the second thin film layer; the first film layer can adsorb charged particles in a working environment or show positive or negative electricity by ionizing charged groups; the second film layer can adsorb charged particles in a working environment or show positive or negative electricity by ionizing charged groups; the surface of the charged first film layer, the surface of the charged second film layer and electrolyte ions in the solution form a double-charge layer, and the whole body is kept neutral; under the action of external force, the first thin film layer and the second thin film layer slide relatively to cause the change of the overlapping area in the sliding process, liquid between the overlapping parts and charged particles in the liquid are removed, the double-charge layer is damaged, and at the moment, charges on the surfaces of the first thin film layer and the second thin film layer cannot be shielded by heterogeneous charged ions in the solution, so that potential difference is induced in the first conductive layer and the second conductive layer, electrons are driven to flow, and current is formed in an external circuit.
The first thin film layer, the second thin film layer, the first conductive layer and the second conductive layer are the same or different in size and shape.
When the film is under the action of external force, the first film layer and the second film layer slide, and the contact area changes.
The materials of the first film layer and the second film layer can be the same or different, and the materials of the first film layer and the second film layer can be selected from polyimide, polyethylene terephthalate, graphene oxide, graphene, polyvinyl alcohol, cotton and fabrics thereof, polydimethylsiloxane, polychlorotrifluoroethylene, polytetrafluoroethylene, parylene, polyethylene adipate, polydiallyl phthalate, liquid crystal high molecular polymer, polyurethane elastomer, molybdenum disulfide, quartz, polyethylene, polyvinyl chloride, polyformaldehyde, ethyl cellulose, polyamide nylon 11, polyamide nylon 66, polyurethane elastomer, hard rubber, styrene propylene copolymer, polyacrylonitrile, styrene-acrylonitrile copolymer, styrene butadiene copolymer, polywool and fabrics thereof, aniline formaldehyde resin, silk and fabrics thereof, paper, rayon, polycarbonate, polypropylene, acrylonitrile, polyisobutylene, polyvinyl butyral, polypropylene, chloroprene rubber, natural rubber, styrene butadiene rubber and other materials with or without charged surfaces.
The first thin film layer, the second thin film layer, the first conductive layer and the second conductive layer can be made of soft materials or hard materials.
At least one surface of the surfaces of the first film layer and the second film layer in the solution is provided with positive charges or negative charges.
The first thin film layer and the second thin film layer have different surface charge densities in a solution.
The first and second members may be the same or different in size and shape.
The thickness of the first thin film layer and the second thin film layer can be both 5 nm-10 cm, and the micrometer range is preferred.
The material of the first conductive layer and the second conductive layer can be selected from conductive materials such as metal, doped semiconductor, conductive oxide, conductive organic matter and the like.
The metal may be selected from aluminum, silver, nickel, copper, platinum, gold, chromium, and alloys formed from the foregoing metals; the conductive oxide can be indium tin oxide and the like; the conductive organic matter can be selected from polypyrrole, a phthalocyanine compound, polyaniline or polythiophene and the like.
The first conducting layer and the second conducting layer can be respectively connected with an electric signal output end of an external circuit, and energy is transmitted outwards through the electric signal output end.
The working environment can adopt solution, the working environment can comprise ocean, river, lake and the like, and the driving force is water body energy which can provide kinetic energy by tide, wave and the like or mechanical energy such as human motion, wind, vibration and the like.
The sliding type power generation method based on the double electric charge layer adopts the sliding type power generator based on the double electric charge layer, and the method comprises the following steps:
1) providing a first component and a second component in spaced apart relation;
2) bonding a first film layer with a first conductive layer, bonding a second film layer with a second conductive layer, wherein the first conductive layer and the second conductive layer are respectively and electrically connected with two ends of an electrical signal output end of an external circuit;
3) the first thin film layer and the second thin film layer are alternately contacted, and the area is changed;
4) and the electric signal is output outwards through the electric signal output end of the external circuit.
In step 3), the alternating contact may be achieved by varying the contact and separation caused by the overlapping area of the first part and the second part.
The invention utilizes the double charge layers in the water environment to generate electricity, has small volume and light weight, converts mechanical energy into electric energy in a charge induction mode, and has important significance for the development of ocean energy. Moreover, the power generation technology can also convert mechanical energy such as human body movement and vibration in the environment into electric energy.
The invention provides a novel sliding type generator capable of collecting mechanical energy of a water body underwater, which converts mechanical energy such as wave energy, tidal energy and the like contained in rivers, lakes and seas into electric energy by utilizing a method of sliding and discharging a double-charge layer. The invention can directly work underwater without being influenced by the environmental humidity, and has important significance for realizing the development of blue energy.
The invention has the following outstanding technical effects:
the invention has the most outstanding advantage that the working performance of the generator does not change along with the humidity of the environment and can be completely in the liquid environment. Moreover, the generator has small volume, light weight, low cost and high applicability, so that the energy of a plurality of small water bodies can be utilized.
Drawings
Fig. 1 is a schematic diagram of an exemplary structure of an embodiment of a sliding generator based on an electric double layer according to the present invention.
Fig. 2 is a schematic view of the operation of the sliding type generator based on the electric double layer shown in fig. 1.
Figure 3 is a schematic diagram of another exemplary structure of an embodiment of the sliding generator based on the electric double layer according to the present invention.
Figure 4 is a graph of the voltage output of an embodiment of the sliding generator based on dual charge layers according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The double-charge layer refers to a surface layer formed by respectively arranging positive charges and negative charges on an interface of two different substances. Under water, the surface of the film is made to be positive or negative electric by dissociation of surface groups or adsorption of certain charges from the solution, and the charged surface and the heterocharge ions in the solution form a double charge layer. For example, carboxyl groups exist on the surface of a high molecular material Polyethylene terephthalate (Polyethylene terephthalate), the carboxyl groups are ionized in water to make the surface negatively charged, and the negatively charged surface adsorbs the oppositely charged cations in the solution to form an electric double layer.
Fig. 1 is a schematic diagram of a typical structure of an embodiment of a sliding generator based on an electric double layer according to the present invention: the device comprises a first component, a second component and a third component, wherein the first component consists of a first thin film layer 101 and a first conductive layer 201; and a second part consisting of a second thin film layer 102 and a second conductive layer 202. The first and second conductive layers 201 and 202 are attached to the back surfaces of the first and second thin film layers 101 and 102, respectively, and the first and second conductive layers 201 and 202 are connected to both ends of the external circuit electrical signal output terminal 30, respectively. The device is placed in the solution 20, and at least partial surfaces of the first film layer 101 and the second film layer 102 can be subjected to overlapping, relative sliding and separation cycles under the action of external force.
For convenience of explanation. The principles of the present invention, the selection of components and the range of materials will be described below in connection with the exemplary configuration of fig. 1, but it should be apparent that these are not limited to the embodiment shown in fig. 1, but can be applied to all technical solutions disclosed in the present invention.
The working principle of the generator of the invention is explained with reference to fig. 2: when the power generating apparatus is immersed in the solution 20, the first thin film layer 101 and the second thin film layer 102 have different surface charge densities, and there is a difference in surface charge amount therebetween (taking the example that the surface charge amount of the second thin film layer 102 is high), and the different-charge ions are adsorbed on the surfaces of the first thin film layer and the second thin film layer, respectively, to form a double-charge layer. Under the action of external force, the first thin film layer 101 and the second thin film layer 102 slide relatively, the solution and ions in the solution at the overlapping area of the first thin film layer 101 and the second thin film layer 102 are discharged, positive or negative charges carried on the surfaces of the first thin film layer 101 and the second thin film layer 102 cannot be shielded by ions of different charges in the solution, the surface charge quantity of the first thin film layer 101 is lower than that of the second thin film layer 102, the potentials induced at the upper end and the lower end of the first thin film layer 101 and the second thin film layer 102 are different, and electrons flow to the second conductive layer 202 through the first conductive layer 201 to balance the potential difference between the first conductive layer and the second conductive layer, so that current is. When the external force is removed, the ions with different charges are adsorbed on the surfaces of the first thin film layer 101 and the second thin film layer 102 again, and at the moment, the charges on the surfaces of the first thin film layer 101 and the second thin film layer 102 are shielded by the ions with different charges in the solution again, and the potential balance between the upper end and the lower end is broken, so that the electrons reversely transmit current to the external circuit through the first conductive layer 201 and the second conductive layer 202 until the two reach the balance again.
According to the above power generation principle, it can be seen that the difference of the surface charge amount between the first thin film layer 101 and the second thin film layer 102 is a key for generating an outputable electric signal, and the following materials with or without surface charge can be used in the first thin film layer 101 and the second thin film layer 102 of the present invention, such as polyimide, polyethylene terephthalate, graphene oxide, graphene, molybdenum disulfide, quartz, polyethylene, polyvinyl chloride, aniline formaldehyde resin, polyoxymethylene, ethyl cellulose, polyamide nylon 11, polyamide nylon 66, polyurethane elastomer, hard rubber, polymethyl methacrylate, polyvinyl alcohol, polydimethylsiloxane, polychlorotrifluoroethylene, polytetrafluoroethylene, parylene, polyethylene adipate, polydiallyl phthalate, regenerated cellulose sponge, liquid crystal high molecular polymer, polyurethane elastomer, styrene propylene copolymer, and the like, Styrene-acrylonitrile copolymers, styrene butadiene copolymers, polywools and fabrics thereof, silk and fabrics thereof, paper, rayon, cotton and fabrics thereof, polycarbonate, acrylonitrile, polyisobutylene, polyvinyl butyral, polypropylene, neoprene, natural rubber, polyacrylonitrile, styrene butadiene rubber, and the like. For reasons of space, this is not intended to be exhaustive, and reference is made to a few specific materials, which are not intended to be limiting as the scope of the invention will be limited since, in light of the teaching of the present invention, persons skilled in the art will readily be able to select other similar materials based on the different surface charge characteristics of these materials.
It is found through experiments that the larger the difference of the surface charge amount between the first thin film layer 101 and the second thin film layer 102 is, the stronger the electric signal output by the generator is. Suitable materials are selected for the first thin film layer 101 and the second thin film layer 102 in accordance with the materials listed above in combination with simple comparative experiments to obtain the optimum electrical signal output performance.
In addition, the first thin film layer 101 and the second thin film layer 102 may be physically and chemically modified to further increase the charge density on the thin film surface, thereby increasing the amount of transferred charge and the output power of the generator. The introduction of functional groups is performed on the surface of the first thin film layer 101 or the second thin film layer 102 to make them have a positive charge or a negative charge. The functional group can be introduced by physicochemical methods such as plasma surface modification and chemical modification. For example, a mixed gas of oxygen and ammonia is made to generate plasma at a certain power, thereby introducing amino groups on the surface of the thin film layer. And chemically etching the polyimide material by using a sodium hypochlorite solution so as to introduce carboxyl on the surface of the polyimide. Those skilled in the art can select a suitable treatment method according to the nature and the kind of surface chemical bonds of the thin film layer to achieve the purpose of the present invention, and thus such variations are within the scope of the present invention.
The present invention does not limit that the first conductive layer 201 and the second conductive layer 202 are made of soft materials, but can select hard materials, because the hardness of the conductive material does not affect the conductive effect. The conductive layer is connected with an external circuit through a lead to output an electric signal of the generator.
The present invention is not limited to the first film layer 101 and the second film layer 102 being made of soft materials, and hard materials may be selected because the hardness of the materials does not affect the contact release effect between the two. Therefore, the hardness of the materials of the first film layer 101 and the second film layer 102 can be selected by those skilled in the art according to the actual situation.
The first conducting layer 201 and the second conducting layer 202 are used as two electrodes of a generator, and the materials of the electrodes can be metal, conducting oxide, organic conductors and the like; the metal may be selected from gold, silver, platinum, aluminum, nickel, copper, titanium, chromium or selenium; alloys formed of gold, silver, platinum, aluminum, nickel, copper, titanium, chromium, selenium, and the like; the conductive oxide can be selected from Indium Tin Oxide (ITO) and the like; the organic conductor is a conductive polymer, the conductive polymer may be one of polypyrrole, polyphenylene sulfide, a polyphthalocyanine compound, polyaniline, polythiophene, a mixture of polyaniline and polythiophene, and the like, the selection of a specific conductive layer material is not a condition for limiting the protection scope of the present invention, and the material of the first conductive layer 201 and the second conductive layer 202 may be preferably copper, gold, silver, platinum, or the like.
In the sliding generator based on the dual-charge layer, in order to ensure the generation efficiency of the charges, the first conductive layer 201 may be prepared on the surface of the first thin film layer 101 and the second conductive layer 202 may be prepared on the surface of the second thin film layer 102 by deposition, such as electron beam evaporation, plasma sputtering, or evaporation. In addition, a conductive material such as aluminum foil may be directly attached to the film layer to serve as a conductive layer.
When the generator structure needs a certain strength, the first component and the second component can be added with substrates, and the substrates can be hard materials or flexible materials. Non-deformable insulating rigid materials such as plexiglas sheet, polyethylene sheet, polyvinyl chloride sheet, etc. are preferably used. The thickness thereof is not particularly limited and can be freely selected according to the strength requirement.
In the most typical structure of the generator of the present invention, the lower surface of the first thin film layer 101 and the upper surface of the second thin film layer 102 are held in relative contact. The two are always in surface contact whether external force is applied to the two. Under the action of the external force, the lower surface of the first film layer 101 and the upper surface of the second film layer 102 slide relative to each other in a direction tangential to the contact surface. By controlling the dimensions and the relative displacement amount of the lower surface of the first thin film layer 101 and the upper surface of the second thin film layer 102, it is easy to realize that the facing area is changed during the relative sliding.
The solution of the generator provided by the invention can be pure water, deionized water, polar liquid, nonpolar liquid or other solutions. The object of the invention is achieved as long as free ions are present in the liquid.
Figure 3 shows another exemplary structural schematic diagram of an embodiment of the sliding generator based on the dual charge layer according to the present invention. The first member and the second member are not only horizontally slidable with respect to each other but also rotatably slidable. Another embodiment, shown in fig. 3, includes a first component consisting of a first thin film layer 101 and a first conductive layer 201; a second component is included that is comprised of the second membrane layer 102 and the second conductive layer 202. The first conductive layer 201 and the second conductive layer 202 are respectively attached to the back surfaces of the first thin film layer 101 and the second thin film layer 102, and the first conductive layer 201 and the second conductive layer 202 are respectively electrically connected with two ends of the external circuit electrical signal output end 30. The centers of the circles of the first part and the second part are connected through an elastic rotating shaft. In the absence of an external force, the first member and the second member can completely overlap, thereby maintaining the adhesion of the surfaces of the first film layer and the second film layer. When an external force is applied, the first film layer and the second film layer rotate relatively, so that the first film layer and the second film layer are exposed in the solution to form the double-charge layer. At this time, the elastic rotating shaft is elastically deformed. When the external force is removed, the first component and the second component are restored to a completely overlapped state due to the elasticity of the elastic rotating shaft, and a power generation cycle is completed.
Given the typical configurations of the various generators designed by the present invention, those skilled in the art can make simple modifications on the basis of these configurations to obtain generators in different working environments, but such modifications are all accomplished under the basic concept disclosed by the present invention and fall within the protection scope of the present invention.
From the foregoing, it is clear that the present invention actually discloses a novel method of generating electricity characterized by using any of the generators disclosed in the present invention, comprising the steps of:
(1) providing the first thin film layer and the second thin film layer;
(2) providing the first and second conductive layers;
(3) electrically connecting the first conductive layer and the second conductive layer to an external circuit;
(4) at least one overlap-separation process is formed between at least portions of the surfaces of the first and second film layers when an external force is applied;
(5) during step (4), outputting electric energy/electric signal to an external circuit through the first conductive layer and the second conductive layer;
in the step (4), the first thin film layer, the second thin film layer, the first conductive layer and the second conductive layer are completely contacted; a continuously external force is applied that varies periodically.
Specific examples are given below.
Example 1
The method comprises the steps of cutting two organic glass plates with the length of 3cm multiplied by the width of 3cm multiplied by the thickness of 5mm by utilizing laser, depositing a layer of Al as a conducting layer on the back surface of the same polyimide film layer, leading out an electric signal through a lead, then attaching the electric signal to the two organic glass plates to expose the surfaces of polyimide, and sealing the peripheries of the film layer and the conducting layer by PDMS (polydimethylsiloxane) glue to prevent water. And carrying out surface treatment on one of the packaged polyimides to increase the surface charge density. The device is immersed in the solution, so that the surfaces of the two polyimide film layers are opposite, the sliding contact and separation of the surfaces of the two polyimide films are controlled through external force, and the detection electric signal is output. Figure 4 shows a voltage output diagram of an embodiment of the sliding generator based on dual charge layers according to the invention.
Example 2
Two semicircular organic glass plates with the diameter of 3cm are cut by laser, a layer of Ag is deposited on the back of the same PET film layer to serve as a conductive layer, and an electric signal is led out through a lead. Fixing the glass plate on the two organic glass plates, and performing sealing and waterproof treatment. And carrying out surface treatment on one of the packaged PET film layers to increase the surface charge density. The device is immersed in the solution, so that the surfaces of the two PET film layers rotate, and the output of an electric signal can be detected.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (12)
1. The sliding type generator based on the double-charge layer is characterized by being provided with a first part and a second part, wherein the first part consists of a first film layer and a first conductive layer, and the first conductive layer is tightly attached to the back of the first film layer; the second component consists of a second thin film layer and a second conducting layer, and the second conducting layer is tightly attached to the back of the second thin film layer; the first film layer can adsorb charged particles in a working environment or show positive or negative electricity by ionizing charged groups; the second film layer can adsorb charged particles in a working environment or show positive or negative electricity by ionizing charged groups; the surface of the charged first film layer, the surface of the charged second film layer and electrolyte ions in the solution form a double-charge layer, and the whole body is kept neutral; under the action of external force, the first thin film layer and the second thin film layer slide relatively to cause the change of the overlapping area in the sliding process, liquid between the overlapping parts and charged particles in the liquid are removed, the double-charge layer is damaged, and at the moment, charges on the surfaces of the first thin film layer and the second thin film layer cannot be shielded by heterogeneous charged ions in the solution, so that potential difference is induced in the first conductive layer and the second conductive layer, electrons are driven to flow, and current is formed in an external circuit.
2. The dual charge layer based sliding type generator according to claim 1, wherein the first film layer, the second film layer, the first conductive layer and the second conductive layer are the same size and shape.
3. The dual charge layer based sliding type generator according to claim 1, wherein the first film layer, the second film layer, the first conductive layer and the second conductive layer are different in size and shape.
4. The dual charge layer based sliding type generator according to claim 1, wherein the first thin film layer and the second thin film layer are made of the same or different materials, and the materials of the first thin film layer and the second thin film layer are selected from the group consisting of polyimide, polyethylene terephthalate, graphene oxide, graphene, polyvinyl alcohol, cotton and fabric thereof, polydimethylsiloxane, polychlorotrifluoroethylene, polytetrafluoroethylene, parylene, polyethylene adipate, polyethylene phthalate, liquid crystal high polymer, polyurethane elastomer, molybdenum disulfide, quartz, polyethylene, polyvinyl chloride, polyoxymethylene, ethyl cellulose, polyamide nylon 11, polyamide nylon 66, polyurethane elastomer, hard rubber, styrene propylene copolymer, polyacrylonitrile, styrene-acrylonitrile copolymer, styrene butadiene copolymer, polywool and fabric thereof, At least one of aniline formaldehyde resin, silk and fabrics thereof, paper, artificial fiber, polycarbonate, acrylonitrile, polyisobutylene, polyvinyl butyral, polypropylene, chloroprene rubber, natural rubber and styrene butadiene rubber, wherein the surface of the material can be charged or uncharged.
5. The dual charge layer based sliding type generator according to claim 1, wherein the first film layer, the second film layer, the first conductive layer and the second conductive layer are soft materials.
6. The dual charge layer based sliding type generator according to claim 1, wherein the first film layer, the second film layer, the first conductive layer and the second conductive layer are hard materials.
7. The electric double layer-based sliding generator according to claim 1, wherein at least one of the surfaces of the first and second thin film layers in the solution has a positive or negative charge; the first thin film layer and the second thin film layer have different surface charge densities in a solution.
8. The electric double layer based sliding type generator according to claim 1, wherein the first member and the second member are identical or different in size and shape; the thickness of the first thin film layer and the thickness of the second thin film layer are both 5 nm-10 cm.
9. The dual charge layer based sliding generator according to claim 1, wherein the material of said first and second conductive layers is selected from the group consisting of metals, doped semiconductors, conductive oxides, conductive organic conductive materials; the metal is selected from aluminum, silver, nickel, copper, platinum, gold, chromium, and alloys formed from the foregoing metals; the conductive oxide is indium tin oxide; the conductive organic matter is selected from one of polypyrrole, a phthalocyanine compound, polyaniline or polythiophene;
the first conducting layer and the second conducting layer are respectively connected with an electric signal output end of an external circuit, and energy is transmitted outwards through the electric signal output end.
10. The sliding type electric generator based on double electric charge layers as claimed in claim 1, wherein the working environment is a solution, the solution comprises ocean, river, lake, and the external force is water body energy or human body motion, wind, and vibration mechanical energy, which can provide kinetic energy for tide and wave;
the first component and the second component are added with substrates, the substrates are made of hard materials or flexible materials, and the hard materials are selected from organic glass plates, polyethylene plates and polyvinyl chloride plates.
11. A sliding type electric power generation method based on an electric double layer, characterized in that the sliding type electric power generator based on the electric double layer as claimed in claims 1-10 is adopted, the method comprises the following steps:
1) providing a first component and a second component in spaced apart relation;
2) bonding a first film layer with a first conductive layer, bonding a second film layer with a second conductive layer, wherein the first conductive layer and the second conductive layer are respectively and electrically connected with two ends of an electrical signal output end of an external circuit;
3) the first thin film layer and the second thin film layer are alternately contacted, and the area is changed;
4) and the electric signal is output outwards through the electric signal output end of the external circuit.
12. The sliding type electric power generation method based on the electric double layer as claimed in claim 11, wherein the alternate contact is achieved by changing the contact and separation caused by the overlapping area of the first member and the second member in step 3).
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| JP2840780B2 (en) * | 1990-02-20 | 1998-12-24 | 富士電気化学株式会社 | Electric double layer capacitor |
| CN101635532B (en) * | 2009-08-25 | 2011-04-20 | 北京大学 | Method for converting free energy stored in ion concentration gradient form into electric energy |
| CN104467514B (en) * | 2013-09-16 | 2017-01-18 | 北京纳米能源与系统研究所 | Liquid-based friction generator, power generation method and sensor |
| CN104734565B (en) * | 2013-12-20 | 2018-02-13 | 北京纳米能源与系统研究所 | A kind of generator and electricity-generating method for collecting working fluid energy |
| CN106612078B (en) * | 2016-01-29 | 2019-10-22 | 北京纳米能源与系统研究所 | Using conducting liquid as friction electric generator, electricity-generating method and the sensor of electrode |
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