Embodiment
For fully understanding purpose, feature and the effect of the utility model, by following concrete execution mode, the utility model is elaborated.
The utility model is a kind of high power nano friction generator, when each layer of triboelectricity machine of the present utility model is bent downwardly, friction electrode layer in the triboelectricity machine produces electrostatic charge with high polymer layer surface phase mutual friction, the generation of electrostatic charge can make the electric capacity between the first electrode and friction electrode layer change, thereby causes electrical potential difference occurring between the first electrode and friction electrode layer.Due to the existence of electrical potential difference between the first electrode layer and friction electrode layer, free electron will be by external circuit by the low effluent of electromotive force to the high side of electromotive force, thereby form electric current in external circuit.When each layer of triboelectricity machine of the present utility model returns to original state, at this moment the built-in potential that is formed between the first electrode layer and friction electrode layer disappears, to again produce reverse electrical potential difference between Balanced the first electrode layer and friction electrode layer this moment, and free electron forms reverse current by external circuit.By repeatedly rubbing and recovering, just can form periodic ac signal in external circuit.
The present invention adopts the high polymer layer with a plurality of nano-pores to rub with the friction electrode layer, increases because the nano-pore that arranges makes the high polymer layer surface roughness, has increased the friction electric weight; In addition, each nano-pore is equivalent to a micro capacitance, can play the effect of stored charge, avoided the friction electricity in abrupt release, thereby increased the electrical potential difference between the first electrode layer and friction electrode layer, voltage and current output is high, has realized the high-energy output of triboelectricity machine.
As illustrated in fig. 1 and 2, the high power nano friction generator of a kind of embodiment of the utility model comprises the first electrode layer 1 that is cascading, high polymer layer 2, and friction electrode layer 3; The face of the relative friction electrode layer 3 of high polymer layer 2 is provided with a plurality of nano-pores 4; Wherein, friction electrode layer 3 comprises friction film layer 31 and the second electrode lay 32, and the relative high polymer layer 2 of described friction film layer 31 arranges.Apparent surface's contact friction of described high molecular polymer insulating barrier 2 and friction film layer 31, and induce electric charge at the first electrode layer 1 and the second electrode lay 32 places; Described the first electrode layer 1 and the second electrode lay 32 are the voltage and current output electrode of triboelectricity machine.
32 pairs of material therefors of the first electrode layer 1 and the second electrode lay do not have particular provisions, can form the material of conductive layer all within protection range of the present utility model, be for example indium tin oxide, Graphene, nano silver wire film, metal or alloy, wherein metal is Au Ag Pt Pd, aluminium, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten or vanadium; Alloy is aluminium alloy, titanium alloy, magnesium alloy, beryllium alloy, copper alloy, kirsite, manganese alloy, nickel alloy, lead alloy, ashbury metal, cadmium alloy, bismuth alloy, indium alloy, gallium alloy, tungsten alloy, molybdenum alloy, niobium alloy or tantalum alloy.Preferred the first electrode layer 1 of the utility model and the second electrode lay 32 materials are copper or aluminium, and thickness is 0.05-0.2mm.
In the present embodiment, high polymer layer 2 material therefors are Kynoar (PVDF), and its thickness is the preferred 1mm of 0.5-1.2mm(), and its face that relatively rubs electrode layer 3 is provided with a plurality of nano-pores 4.The size of each nano-pore 4, namely width and the degree of depth, can select according to the needs of using, and preferred nano-pore 4 is of a size of: width is that 10-100nm and the degree of depth are 4-50 μ m.On the face that is distributed in friction electrode layer 3 that these a plurality of nano-pores 4 can evenly also can be inhomogeneous, preferred nano-pore 4 is evenly distributed on the face of friction electrode layer 3, the quantity of nano-pore 4 can as required output current value and magnitude of voltage be adjusted, preferred these a plurality of nano-pores 4 are that pitch of holes is the even distribution of 2-30 μ m, and preferred average pitch of holes is the even distribution of 9 μ m.
Friction film layer 31 material therefor can be fiber membrane (paper) or polyvinyl chloride (PVC) etc., and thickness is 0.2-1.5mm.Friction film layer 31 material therefor preferably copper millboard or brown paper etc., the art paper of commercially available all size or brown paper all can be applicable to the utility model, more preferably specification 100-250g/m
2Art paper and specification 80~120g/m
2Brown paper.Adopt fiber membrane (paper) as friction film layer 31, make the cost of whole triboelectricity machine obtain great reduction.
Find according to inventor's research, improve the energy output of nano friction generator, the pairing of the bi-material of the frictional layer that is in contact with one another is a kind of very important influencing factor.For example, during paper and polyvinylidene difluoride film (PVDF) friction, power and the voltage of output are high.
As shown in Fig. 3 and 4, the high power nano friction generator of the another kind of embodiment of the utility model comprises the first electrode layer 1 that is cascading, high polymer layer 2, and friction electrode layer 3; The face of the relative friction electrode layer 3 of high polymer layer 2 is provided with a plurality of nano-pores 4.Apparent surface's contact friction of described high molecular polymer insulating barrier 2 and friction electrode layer 3, and induce electric charge at the first electrode layer 1 and friction electrode layer 3 places; Described the first electrode layer 1 and friction electrode layer 3 are the voltage and current output electrode of triboelectricity machine.
The first 1 pair of electrode layer material therefor does not have particular provisions, can form the material of conductive layer all within protection range of the present utility model, be for example indium tin oxide, Graphene, nano silver wire film, metal or alloy, wherein metal is Au Ag Pt Pd, aluminium, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten or vanadium; Alloy is aluminium alloy, titanium alloy, magnesium alloy, beryllium alloy, copper alloy, kirsite, manganese alloy, nickel alloy, lead alloy, ashbury metal, cadmium alloy, bismuth alloy, indium alloy, gallium alloy, tungsten alloy, molybdenum alloy, niobium alloy or tantalum alloy.Preferred the first electrode layer 1 material of the utility model is copper or aluminium, and thickness is 0.05-0.2mm.
In the present embodiment, high polymer layer 2 material therefors are Kynoar (PVDF), and its thickness is the preferred 1.0mm of 0.5-1.2mm(), and its face that relatively rubs electrode layer 3 is provided with a plurality of nano-pores 4.Wherein, the size of each nano-pore 4, namely width and the degree of depth, can select according to the needs of using, and preferred nano-pore 4 is of a size of: width is that 10-100nm and the degree of depth are 4-50 μ m.On the face that is distributed in friction electrode layer 3 that these a plurality of nano-pores 4 can evenly also can be inhomogeneous, preferred nano-pore 4 is evenly distributed on the face of friction electrode layer 3, the quantity of nano-pore 4 can as required output current value and magnitude of voltage be adjusted, preferred these a plurality of nano-pores 4 are that pitch of holes is the even distribution of 2-30 μ m, and preferred average pitch of holes is the even distribution of 9 μ m.
Find according to inventor's research, metal and high molecular polymer friction, therefore the more volatile de-electromation of metal adopts the friction of metal electrode and high molecular polymer also can improve energy output.Therefore, electrode layer 3 material therefors that preferably rub are metal or alloy, and wherein metal is Au Ag Pt Pd, aluminium, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten or vanadium; Alloy is aluminium alloy, titanium alloy, magnesium alloy, beryllium alloy, copper alloy, kirsite, manganese alloy, nickel alloy, lead alloy, ashbury metal, cadmium alloy, bismuth alloy, indium alloy, gallium alloy, tungsten alloy, molybdenum alloy, niobium alloy or tantalum alloy, preferred friction electrode layer 3 materials are copper or aluminium, and thickness is 0.05-0.2mm.
The below describes the preparation method of above-mentioned high power nano friction generator in detail.The method comprises the steps:
(1) preparation has the substrate of nano wire
Vertical-growth zinc oxide nanowire on a surface of substrate obtains having the substrate of nano wire.
The operable substrate of the utility model can be silicon base, substrate of glass of gold-plated or chromium plating etc.
The utility model adopts conventional Hydrothermal Growth zinc oxide nano-wire array, for example adopts urotropine (HMTA) and zinc nitrate hexahydrate (ZnNO
36 (H
2O)) mixture is as nutrient solution, in suitable temperature for example under 80-95 ℃, and growth of zinc oxide nano linear array on silicon base.Concrete, in an embodiment, adopt the conventional sputter that sprays to generate the zinc oxide seed layer of a thickness 30-50nm on a face of silicon base.Adopt 0.1mol/L concentration by equimolar urotropine (HMTA) and zinc nitrate hexahydrate (ZnNO
36 (H
2O)) nutrient solution that forms, the generation of silicon base there be facing down of zinc oxide seed layer, be placed on the nutrient solution top, under 85 ℃ in mechanical convection heating furnace (model: Yamato DKN400, California, the Santa Clara) growth in has the silicon base of zinc oxide nanowire and at air drying, obtains zinc oxide nano-wire array with the deionized water rinsing growth.The utility model does not have specific (special) requirements to the section configuration of zinc oxide nanowire, regular rectangular shape, hexagon, circle or square etc. all can be applied to the utility model.As shown in Figure 5, be the schematic diagram of silicon base that growth has the zinc oxide nanowire of circular cross section.Should be understood that, the width of the easy zinc oxide nanowire as required of those skilled in the art, the degree of depth and spacing, adjust the growth technique condition of nano zinc oxide wires, for example nutrient solution concentration, growth temperature and time, make the preferred evenly distribution of gained zinc oxide nano-wire array, and satisfy instructions for use, for example extend width and length that growth time changes zinc oxide nanowire.
(2) preparation has the high molecular polymer film of nano-pore
The solution of polymeric material is coated on growth to be had in the substrate of zinc oxide nanowire, is solidified into polymer membrane, then separates substrate, removes zinc oxide nanowire, obtains having the high molecular polymer film of nano-pore.
Curing described in the utility model refers to: the solvent evaporates in polymer material solution is fallen, formed thin polymer film.Conventional drying, the method for heating evaporation (for example heating water bath) all can be applied to the utility model.
Concrete, PVDF is dissolved PVDF with dimethyl formamide (DMF), then ultrasonic processing is until PVDF all dissolves; The above-mentioned PVDF solution for preparing directly is coated in equably the silicon base surface of step (1) preparation by rotary coating, applies complete final vacuum dry.Shown in Figure 6 is silicon base (growth the has zinc oxide nanowire) schematic diagram that is coated with polymeric material.
After drying, silicon base is removed, shown in Figure 7 is that substrate separates schematic diagram.Then adopt the acid etching method that the zinc oxide nanowire acid etching is fallen, concrete, adopt the conventional inorganic acids such as watery hydrochloric acid, dilute sulfuric acid or rare nitric acid, zinc oxide nanowire is eroded, obtain having the high molecular polymer film of a plurality of nano-pores.
(3) make the nano friction generator
With the high molecular polymer film with nano-pore of step (2) gained as high polymer layer, first electrode layer 1 that is cascading, high polymer layer 2, and friction electrode layer 3 obtain the nano friction generator.The edge of this triboelectricity machine is sealed with common adhesive plaster.
Can adopt conventional prior art that the first electrode layer 1 is set on high polymer layer 2, for example paste the first electrode layer 1 on high polymer layer 2, the perhaps method by chemical deposition or physical deposition (for example radio frequency sputter, the methods such as evaporation) deposition first electrode layer 1 on high polymer layer 2.
When friction electrode layer 3 comprised the friction film layer 31 of stacked setting and the second electrode lay 32, the method that the second electrode lay 32 is set on friction film layer 31 can be also to paste, the methods such as chemical deposition or physical deposition.
According to the operation principle of nano friction generator, in the process of generator work, two rubbing surfaces need continuous contact frictions and separate, and when being in contact condition or released state, generator can not have good output performance always.Therefore, in order to produce the generator of excellent performance, the inventor improves the structure of generator.The high power nano friction generator of the arch as shown in Fig. 8 and 9 comprises the first electrode layer 1 that is cascading, high polymer layer 2, and friction electrode layer 3; The face of the relative friction electrode layer of high polymer layer 2 is provided with a plurality of nano-pores 4; Friction electrode layer 3 comprises friction film layer 31 and the second electrode lay 32, and the relative high polymer layer 2 of described friction film layer 31 arranges.Wherein, described friction electrode layer 3 is made the as a whole relative high polymer layer 2 formation convex surface that outwards arches upward, and forms the gap between friction electrode layer 3 and high polymer layer 2, makes two rubbing surfaces in the situation that do not stress and can automatically upspring.Except friction electrode layer 3 forms convex surface, each layer structure of Fig. 8 and the high power nano friction generator shown in 9 is identical with high power nano friction generator shown in Figure 1, so the first electrode layer 1, high polymer layer 2, the applicable selection of friction electrode layer 3 and nano-pore 4 each layers can with reference to above, repeat no more here.
Domes high power nano friction generator as shown in FIG. 10 and 11, it comprises the first electrode layer 1 that is cascading, high polymer layer 2, and friction electrode layer 3; The face of the relative friction electrode layer of high polymer layer 2 is provided with a plurality of nano-pores 4.Wherein, the relative high polymer layer 2 of the described friction electrode layer 3 formation convex surface that outwards arches upward, and form the gap between friction electrode layer 3 and high polymer layer 2, make two rubbing surfaces in the situation that do not stress and can automatically upspring.Each layer structure of Figure 10 and the high power nano friction generator shown in 11 is identical with high power nano friction generator shown in Figure 3, so the first electrode layer 1, high polymer layer 2, the applicable selection of friction electrode layer 3 and nano-pore 4 each layers can with reference to above, repeat no more here.
Although the exemplary high power nano friction generator of having described the arch that friction electrode layer 3 outwards arches upward only above, should be understood that, based on preferred implementation of the present utility model, those skilled in the art are according to being easy to realize the high polymer layer 2 friction electrode layer 3 formation convex surface that outwards arches upward relatively, and form the gap between friction electrode layer 3 and high polymer layer 2, make two rubbing surfaces in the situation that do not stress and can automatically upspring.Therefore, protection range of the present utility model is at least one the formation convex surface that outwards arches upward in friction electrode layer and high polymer layer, makes between friction electrode layer and high polymer layer and forms the gap.In an embodiment, be 21:20 or 20:21 according to the Length Ratio of high polymer layer 2 and friction electrode layer 3, obtained the high power nano friction generator of arch.
The below describes the preparation method of domes high power nano friction generator in detail, the substrate that step (1) preparation has nano wire has the high molecular polymer film (2) of nano-pore with mentioned above identical with the step preparation, here repeat no more, the below only describes step (3) in detail:
A. the first electrode layer 1 is set on high polymer layer 2, forms the duplexer of the first electrode layer 1-high polymer layer 2.
B. the electrode layer 3 that will rub is placed on the high polymer layer 2 of step a gained duplexer, and described duplexer and an end of friction electrode layer 3 are fixed.
Concrete, when for example described duplexer was rectangle with friction electrode layer 3, the method that adopts rubberized fabric adhere or heat-sealing was fixed one of them in the short end of duplexer and friction electrode layer 3.
C. the electrode layer 3 that will rub arches upward, and then the opposite end of stiff end of duplexer with friction electrode layer 3 is fixed.
Concrete, when for example described duplexer is rectangle with friction electrode layer 3, duplexer and another short end of friction electrode layer 3 are fixed.
Set forth the enforcement of method of the present utility model below by specific embodiment, one skilled in the art will appreciate that this should not be understood to the restriction to the utility model claim scope.
Embodiment 1
As illustrated in fig. 1 and 2, the present embodiment high power nano friction generator comprises the first thick aluminium lamination of electrode layer 1(0.1mm that is cascading), the Kynoar that high polymer layer 2(1mm is thick), and friction electrode layer 3.Friction electrode layer 3 comprises art paper (the specification 200g/m that friction film layer 31(1.0mm is thick
2)) and the thick copper layer of the second electrode lay 32(0.1mm), the relative high polymer layer 2 of described friction film layer 31 arranges.The face of the relative friction electrode layer 3 of high polymer layer 2 is provided with a plurality of nano-pore 4(width and is about 60nm, and the degree of depth is about 8 μ m, and pitch of holes average out to 9 μ m).Described the first electrode layer 1 and the second electrode lay 32 are the voltage and current output electrode of triboelectricity machine.
The below describes the preparation method of this high power nano friction generator in detail.
(1) preparation has the substrate of nano wire
Adopt the conventional sputter that sprays to generate the zinc oxide seed layer of thickness 40nm on a face of silicon base.Adopt 0.1mol/L concentration by equimolar urotropine (HMTA) and zinc nitrate hexahydrate (ZnNO
36 (H
2O)) nutrient solution that forms, the generation of silicon base there be facing down of zinc oxide seed layer, be placed on the nutrient solution top, under 85 ℃ in mechanical convection heating furnace (model: Yamato DKN400, California, the Santa Clara) in, growth is 6 hours, the silicon base of zinc oxide nanowire is arranged and at air drying with deionized water rinsing growth, the zinc oxide nano-wire array that obtains.
(2) preparation has the high molecular polymer film of nano-pore
PVDF is put into beaker, then dimethyl formamide (DMF) is joined and dissolve PVDF in beaker, obtain the PVDF solution of concentration 11.7wt%.Then beaker is sealed with preservative film, ultrasonic processing 30min, PVDF all dissolves, and is then stand-by.
The growth that the above-mentioned PVDF solution for preparing directly is coated in the silicon base of step (1) preparation equably by rotary coating has the surface of nano zinc oxide wires, applies completely to carry out vacuumize at 80 ℃ afterwards.
After drying is completed, silicon base is removed.Then adopt the watery hydrochloric acid of concentration 3wt% that the zinc oxide nanowire acid etching is fallen, obtain the PVDF thin polymer film, the nano-pore that wherein has on surface of this film is: width is about 60nm, and the degree of depth is about 8 μ m, and pitch of holes average out to 9 μ m.
(3) make the nano friction generator
As high polymer layer, the aluminium lamination that 0.1mm is thick sticks on high polymer layer 2, obtains the duplexer of the first electrode layer 1-high polymer layer 2 with the high molecular polymer film with nano-pore of step (2) gained; The copper layer that 0.1mm is thick sticks on art paper, and electrode layer 3 obtains rubbing.According to the relative art paper of high polymer layer 2, the electrode layer 3 that will rub is placed on above-mentioned duplexer, and then the edge seals with common adhesive plaster, obtains nano friction generator 1#.
This triboelectricity machine 1# is at the I-V(current-voltage) measurement in show typical open circuit feature.The stepping motor of life cycle vibration (0.33Hz and 0.13% deformation) makes the crooked of triboelectricity machine 1# generating period and discharges, and the maximum output voltage of triboelectricity machine 1# and current signal have reached respectively 800V and 750 μ A.
Embodiment 2
As shown in Fig. 3 and 4, the present embodiment high power nano friction generator comprises the first thick aluminium lamination of electrode layer 1(0.1mm that is cascading), the Kynoar that high polymer layer 2(1mm is thick), and the thick copper layer of friction electrode layer 3(0.1mm).The face of the relative friction electrode layer 3 of high polymer layer 2 is provided with a plurality of nano-pore 4(width and is about 60nm, and the degree of depth is about 8 μ m, and average pitch of holes is 9 μ m).Described the first electrode layer 1 and friction electrode layer 3 are the voltage and current output electrode of triboelectricity machine.
The below describes the preparation method of this high power nano friction generator in detail.
(1) preparation has the substrate of nano wire
Adopt the conventional sputter that sprays to generate the zinc oxide seed layer of thickness 40nm on a face of silicon base.Adopt 0.1mol/L concentration by equimolar urotropine (HMTA) and zinc nitrate hexahydrate (ZnNO
36 (H
2O)) nutrient solution that forms, the generation of silicon base there be facing down of zinc oxide seed layer, be placed on the nutrient solution top, under 85 ℃ in mechanical convection heating furnace (model: Yamato DKN400, California, the Santa Clara) in, growth is 6 hours, the silicon base of zinc oxide nanowire is arranged and at air drying with deionized water rinsing growth, the zinc oxide nano-wire array that obtains.
(2) preparation has the high molecular polymer film of nano-pore
PVDF is put into beaker, then dimethyl formamide (DMF) is joined and dissolve PVDF in beaker, obtain the PVDF solution of concentration 11.7wt%.Then beaker is sealed with preservative film, ultrasonic processing 30min, PVDF all dissolves, and is then stand-by.
The growth that the above-mentioned PVDF solution for preparing directly is coated in the silicon base of step (1) preparation equably by rotary coating has the surface of nano zinc oxide wires, applies completely to carry out vacuumize at 80 ℃ afterwards.
After drying is completed, silicon base is removed.Then adopt the dilute sulfuric acid of concentration 3wt% that the zinc oxide nanowire acid etching is fallen, obtain the PVDF thin polymer film, the nano-pore that wherein has on surface of this film is: width is about 60nm, and the degree of depth is about 8 μ m, and average pitch of holes is 9 μ m.
(3) make the nano friction generator
As high polymer layer, the aluminium lamination that 0.1mm is thick sticks on high polymer layer 2, obtains the duplexer of the first electrode layer 1-high polymer layer 2 with the high molecular polymer film with nano-pore of step (2) gained.According to the relative friction electrode layer 3 of high polymer layer 2, the electrode layer 3 that will rub is placed on above-mentioned duplexer, and then the edge seals with common adhesive plaster, obtains nano friction generator 4#.
This triboelectricity machine 4# is at the I-V(current-voltage) measurement in show typical open circuit feature.The stepping motor of life cycle vibration (0.33Hz and 0.13% deformation) makes the crooked of triboelectricity machine 4# generating period and discharges, and the maximum output voltage of triboelectricity machine 4# and current signal have reached respectively 120V and 90 μ A.
Embodiment 3
As shown in Fig. 8 and 9, the present embodiment high power nano friction generator comprises the first thick aluminium lamination of electrode layer 1(0.1mm that is cascading), the Kynoar that high polymer layer 2(1mm is thick), and friction electrode layer 3.Friction electrode layer 3 comprises art paper (the specification 200g/m that friction film layer 31(1.0mm is thick
2) and the thick copper layer of the second electrode lay 32(0.1mm), the relative high polymer layer 2 of described friction film layer 31 arranges.The face of the relative friction electrode layer 3 of high polymer layer 2 is provided with a plurality of nano-pore 4(width and is about 60nm, and the degree of depth is about 8 μ m, and average pitch of holes is 9 μ m).Described the first electrode layer 1 and the second electrode lay 32 are the voltage and current output electrode of triboelectricity machine.Described friction electrode layer 3 is made the as a whole relative high polymer layer 2 formation convex surface that outwards arches upward, and forms the gap between friction electrode layer 3 and high polymer layer 2, makes two rubbing surfaces in the situation that do not stress and can automatically upspring.
The below describes the preparation method of this domes high power nano friction generator in detail.
(1) preparation has the substrate of nano wire
Adopt the conventional sputter that sprays to generate the zinc oxide seed layer of thickness 40nm on a face of silicon base.Adopt 0.1mol/L concentration by equimolar urotropine (HMTA) and zinc nitrate hexahydrate (ZnNO
36 (H
2O)) nutrient solution that forms, the generation of silicon base there be facing down of zinc oxide seed layer, be placed on the nutrient solution top, under 85 ℃ in mechanical convection heating furnace (model: Yamato DKN400, California, the Santa Clara) in, growth is 6 hours, the silicon base of zinc oxide nanowire is arranged and at air drying with deionized water rinsing growth, the zinc oxide nano-wire array that obtains.
(2) preparation has the high molecular polymer film of nano-pore
PVDF is put into beaker, then dimethyl formamide (DMF) is joined and dissolve PVDF in beaker, obtain the PVDF solution of concentration 11.7wt%.Then beaker is sealed with preservative film, ultrasonic processing 30min, PVDF all dissolves, and is then stand-by.
The growth that the above-mentioned PVDF solution for preparing directly is coated in the silicon base of step (1) preparation equably by rotary coating has the surface of nano zinc oxide wires, applies completely to carry out vacuumize at 80 ℃ afterwards.
After drying is completed, silicon base is removed.Then adopt the watery hydrochloric acid of concentration 3wt% that the zinc oxide nanowire acid etching is fallen, obtain the PVDF thin polymer film, the nano-pore that wherein has on surface of this film is: width is about 60nm, and the degree of depth is about 8 μ m, and average pitch of holes is 9 μ m.
(3) make the nano friction generator
As high polymer layer, the aluminium lamination that 0.1mm is thick sticks on high polymer layer 2, obtains the duplexer of the first electrode layer 1-high polymer layer 2 with the high molecular polymer film with nano-pore of step (2) gained; The copper layer that 0.1mm is thick sticks on art paper, and electrode layer 3 obtains rubbing.
Length Ratio according to friction electrode layer 3 and high polymer layer 2 is 21:20, friction electrode layer 3 is placed on the high polymer layer 2 of duplexer, and their short end is alignd, and the short end that adopts the conventional method that seals to align is fixed.The electrode layer 3 that will rub arches upward, then with duplexer with the friction electrode layer 3 short end in another be fixed, obtain nano friction generator 7#.
This triboelectricity machine 7# is at the I-V(current-voltage) measurement in show typical open circuit feature.The stepping motor of life cycle vibration (0.33Hz and 0.13% deformation) makes the crooked of triboelectricity machine 7# generating period and discharges, and the maximum output voltage of triboelectricity machine 7# and current signal have reached respectively 1020V and 840 μ A.
Triboelectricity machine of the present utility model can be applied to various self-driven systems such as diaphragm pressure sensor, touch-screen, electronic console, and have in potential using value field the effect that it has, and production cost is low, energy output is high in other personal electric product.
Such scheme comprises first-selected embodiment and when putting on record during the optimal mode of this utility model known for inventor, and above-described embodiment is property example as an illustration only.To many alienation of the specific embodiment of exposure in this explanation, do not depart from the spirit and scope of this utility model, will be easily to differentiate.Therefore, the scope of this utility model will be determined by appended claim, and the special embodiment that describes above being not limited to.