CN202949379U - High-power nano-friction generator - Google Patents
High-power nano-friction generator Download PDFInfo
- Publication number
- CN202949379U CN202949379U CN 201220673921 CN201220673921U CN202949379U CN 202949379 U CN202949379 U CN 202949379U CN 201220673921 CN201220673921 CN 201220673921 CN 201220673921 U CN201220673921 U CN 201220673921U CN 202949379 U CN202949379 U CN 202949379U
- Authority
- CN
- China
- Prior art keywords
- friction
- nano
- electrode layer
- layer
- high polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model provides a high-power nano-friction generator. The nano-friction generator comprises a first electrode layer, a high-molecular polymer layer and a friction electrode layer, which are sequentially arranged in a laminated manner. The surface, opposite to the friction electrode layer, of the high-molecular polymer layer is provided with a plurality of nano-pores. The first electrode layer and the friction electrode layer are voltage and current output electrodes of the nano-friction generator. Polyvinylidene fluoride having the nano-pores is used as the high-molecular polymer layer to perform the friction; the friction effect is good; the voltage and current output is high; and the high-energy output of the nano-friction generator is realized.
Description
Technical field
The utility model relates to a kind of triboelectricity machine, especially relates to a kind of high power nano friction generator.
Background technology
Along with modern life level improves constantly, rhythm of life is constantly accelerated, and convenient, low to environment dependency degree self power generation equipment occurred using.Existing self power generation equipment utilizes the piezoelectric property of material usually.For example 2006, the georgia ,u.s.a professor Wang Zhonglin of the Institute of Technology etc. successfully converted mechanical energy to electric energy in the nanoscale scope, developed minimum in the world generator-nano generator.The basic principle of nano generator is: when nano wire (NWs) during dynamic tensile, generates the piezoelectricity electromotive force in nano wire under external force, corresponding transient current flows with the balance Fermi level at two ends.
Mutually rub between object and object, will make negative electricity on side's band, the opposing party becomes positively charged, because fricative electricity between object is electric friction.The friction electricity is one of modal phenomenon of nature, but utilizes and be left in the basket because be difficult to collection.If the friction electricity can be applied in self power generation equipment, bring more facility will certainly for people's life.
The utility model content
The technical problem that the utility model solves is: overcome the not high defective of existing triboelectricity machine output energy, a kind of high power nano friction generator is provided, the Kynoar that utilization is provided with nano-pore rubs as high polymer layer, friction effect is good, voltage and current output is high, has realized the high-energy output of triboelectricity machine.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is that a kind of nano friction generator comprises the first electrode layer that is cascading, high polymer layer, and friction electrode layer; The face of the relative friction electrode layer of high polymer layer is provided with a plurality of nano-pores; Described the first electrode layer and friction electrode layer are the voltage and current output electrode of triboelectricity machine.
Aforesaid nano friction generator, described high polymer layer material therefor are Kynoar (PVDF).
The nano-pore width that arranges on aforesaid nano friction generator, described high polymer layer surface is 10-100nm, and the degree of depth is 4-50 μ m.
Aforesaid nano friction generator, described friction electrode layer material therefor is selected from metal or alloy, and thickness is 0.05-0.2mm.
Aforesaid nano friction generator, described friction electrode layer comprises friction film layer and the second electrode lay of stacked setting, the relative high polymer layer setting of described friction film layer.
Aforesaid nano friction generator, described friction film layer material therefor are fiber membrane or polyvinyl chloride (PVC).
Aforesaid nano friction generator, described friction electrode layer or the high polymer layer formation convex surface that outwards arches upward making between friction electrode layer and high polymer layer and forming the gap.
Aforesaid nano friction generator, described the first electrode layer material therefor is metal or alloy.
The utility model adopts the high polymer layer with a plurality of nano-pores to rub with the friction electrode layer, and friction effect is good, has realized the high-energy output of triboelectricity machine.
Description of drawings
Fig. 1 is the schematic perspective view of a kind of embodiment of the utility model nano friction generator.
Fig. 2 is the generalized section of the utility model Fig. 1 nano friction generator.
Fig. 3 is the schematic perspective view of the another kind of embodiment of the utility model nano friction generator.
Fig. 4 is the generalized section of the utility model Fig. 3 nano friction generator.
Fig. 5 is the silicon base schematic diagram that the utility model growth has zinc oxide nanowire.
Fig. 6 is the silicon base schematic diagram that the utility model applies PVDF.
Fig. 7 is that the utility model substrate separates schematic diagram.
Fig. 8 is the schematic perspective view of another embodiment of the utility model nano friction generator.
Fig. 9 is the generalized section of the utility model Fig. 8 nano friction generator.
Figure 10 is the schematic perspective view of another embodiment of the utility model nano friction generator.
Figure 11 is the generalized section of the utility model Figure 10 nano friction generator.
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.
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.
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.
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.
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.
Claims (8)
1. a nano friction generator, is characterized in that, this nano friction generator comprises: the first electrode layer that is cascading, high polymer layer, and friction electrode layer; The face of the relative friction electrode layer of high polymer layer is provided with a plurality of nano-pores; Described the first electrode layer and friction electrode layer are the voltage and current output electrode of triboelectricity machine.
2. nano friction generator according to claim 1, is characterized in that, described high polymer layer material therefor is Kynoar.
3. nano friction generator according to claim 2, is characterized in that, the nano-pore width that arranges on described high polymer layer surface is that 10-100nm and the degree of depth are 4-50 μ m.
4. according to claim 1-3 described nano friction generators of any one, is characterized in that, described friction electrode layer material therefor is selected from metal or alloy, and thickness is 0.05-0.2mm.
5. according to claim 1-3 described nano friction generators of any one, is characterized in that, described friction electrode layer comprises friction film layer and the second electrode lay of stacked setting, the relative high polymer layer setting of described friction film layer.
6. nano friction generator according to claim 5, is characterized in that, described friction film layer material therefor is fiber membrane or polyvinyl chloride.
7. nano friction generator according to claim 1, is characterized in that, described friction electrode layer or the high polymer layer formation convex surface that outwards arches upward making between friction electrode layer and high polymer layer and forming the gap.
8. nano friction generator according to claim 1, is characterized in that, described the first electrode layer material therefor is metal or alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673921 CN202949379U (en) | 2012-12-07 | 2012-12-07 | High-power nano-friction generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673921 CN202949379U (en) | 2012-12-07 | 2012-12-07 | High-power nano-friction generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949379U true CN202949379U (en) | 2013-05-22 |
Family
ID=48425057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673921 Withdrawn - After Issue CN202949379U (en) | 2012-12-07 | 2012-12-07 | High-power nano-friction generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202949379U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346695A (en) * | 2013-07-15 | 2013-10-09 | 北京大学 | R-type combined type micro-nano generator |
| CN103523743A (en) * | 2013-10-28 | 2014-01-22 | 北京大学 | Miniature friction energy harvester and method for manufacturing same |
| CN103856096A (en) * | 2012-12-07 | 2014-06-11 | 纳米新能源（唐山）有限责任公司 | High-power nanometer friction generator and manufacturing method thereof |
| CN104242723A (en) * | 2013-06-13 | 2014-12-24 | 国家纳米科学中心 | Single-electrode friction nanogenerator and generating method and self-driven tracking device |
| CN104253561A (en) * | 2013-06-25 | 2014-12-31 | 国家纳米科学中心 | Sliding friction generator, power generation method and vector displacement sensor |
| WO2014206098A1 (en) * | 2013-06-28 | 2014-12-31 | 国家纳米科学中心 | Surrounding-type unipolar friction nanometer power generator, power generation method, and tracking device |
| WO2015003497A1 (en) * | 2013-07-11 | 2015-01-15 | 国家纳米科学中心 | Sliding-friction power generator, power generation method and vector displacement sensor |
| WO2015043236A1 (en) * | 2013-09-26 | 2015-04-02 | 纳米新能源（唐山）有限责任公司 | Friction pressure sensing cable and manufacturing method therefor |
| CN104578892A (en) * | 2013-10-12 | 2015-04-29 | 纳米新能源（唐山）有限责任公司 | Integrated frictional generator and vibration sensor |
| CN104836473A (en) * | 2014-02-07 | 2015-08-12 | 北京纳米能源与***研究所 | Generator collecting acoustic energy and sound sensor |
| CN104836472A (en) * | 2014-02-07 | 2015-08-12 | 北京纳米能源与***研究所 | Generator utilizing acoustic energy and sound transducer |
| CN104868779A (en) * | 2014-02-21 | 2015-08-26 | 纳米新能源（唐山）有限责任公司 | Power generating device used for wall surface |
| CN106512191A (en) * | 2015-09-10 | 2017-03-22 | 北京纳米能源与***研究所 | Self-driven medicine release device |
-
2012
- 2012-12-07 CN CN 201220673921 patent/CN202949379U/en not_active Withdrawn - After Issue
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856096B (en) * | 2012-12-07 | 2015-12-16 | 纳米新能源（唐山）有限责任公司 | High power nano friction generator and preparation method thereof |
| CN103856096A (en) * | 2012-12-07 | 2014-06-11 | 纳米新能源（唐山）有限责任公司 | High-power nanometer friction generator and manufacturing method thereof |
| WO2014086144A1 (en) * | 2012-12-07 | 2014-06-12 | 纳米新能源（唐山）有限责任公司 | High-power nano-friction generator and preparation method thereof |
| CN104242723B (en) * | 2013-06-13 | 2019-06-04 | 北京纳米能源与***研究所 | Single electrode friction nanometer power generator, electricity-generating method and from driving follow-up mechanism |
| CN104242723A (en) * | 2013-06-13 | 2014-12-24 | 国家纳米科学中心 | Single-electrode friction nanogenerator and generating method and self-driven tracking device |
| CN104253561A (en) * | 2013-06-25 | 2014-12-31 | 国家纳米科学中心 | Sliding friction generator, power generation method and vector displacement sensor |
| CN104253561B (en) * | 2013-06-25 | 2018-06-08 | 北京纳米能源与***研究所 | Sliding friction generator, electricity-generating method and vector shift sensor |
| WO2014206098A1 (en) * | 2013-06-28 | 2014-12-31 | 国家纳米科学中心 | Surrounding-type unipolar friction nanometer power generator, power generation method, and tracking device |
| WO2015003497A1 (en) * | 2013-07-11 | 2015-01-15 | 国家纳米科学中心 | Sliding-friction power generator, power generation method and vector displacement sensor |
| CN103346695A (en) * | 2013-07-15 | 2013-10-09 | 北京大学 | R-type combined type micro-nano generator |
| WO2015043236A1 (en) * | 2013-09-26 | 2015-04-02 | 纳米新能源（唐山）有限责任公司 | Friction pressure sensing cable and manufacturing method therefor |
| CN104578892B (en) * | 2013-10-12 | 2016-10-26 | 纳米新能源（唐山）有限责任公司 | Integral type friction generator and vibrating sensor |
| CN104578892A (en) * | 2013-10-12 | 2015-04-29 | 纳米新能源（唐山）有限责任公司 | Integrated frictional generator and vibration sensor |
| CN103523743B (en) * | 2013-10-28 | 2016-06-29 | 北京大学科技开发部 | A kind of miniature friction formula energy collecting device and preparation method thereof |
| CN103523743A (en) * | 2013-10-28 | 2014-01-22 | 北京大学 | Miniature friction energy harvester and method for manufacturing same |
| CN104836472A (en) * | 2014-02-07 | 2015-08-12 | 北京纳米能源与***研究所 | Generator utilizing acoustic energy and sound transducer |
| CN104836473A (en) * | 2014-02-07 | 2015-08-12 | 北京纳米能源与***研究所 | Generator collecting acoustic energy and sound sensor |
| CN104836472B (en) * | 2014-02-07 | 2017-11-03 | 北京纳米能源与***研究所 | Utilize the generator and sound transducer of acoustic energy |
| CN104868779A (en) * | 2014-02-21 | 2015-08-26 | 纳米新能源（唐山）有限责任公司 | Power generating device used for wall surface |
| CN104868779B (en) * | 2014-02-21 | 2017-04-19 | 纳米新能源（唐山）有限责任公司 | Power generating device used for wall surface |
| CN106512191A (en) * | 2015-09-10 | 2017-03-22 | 北京纳米能源与***研究所 | Self-driven medicine release device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202949379U (en) | High-power nano-friction generator | |
| CN103856096B (en) | High power nano friction generator and preparation method thereof | |
| CN202818150U (en) | Nano friction generator | |
| Zhou et al. | Piezoelectric nanogenerators with high performance against harsh conditions based on tunable N doped 4H-SiC nanowire arrays | |
| Hou et al. | Flexible Ionic Diodes for Low-Frequency Mechanical Energy Harvesting. | |
| Liu et al. | A triboelectric textile templated by a three-dimensionally penetrated fabric | |
| CN102646788B (en) | Nano generator and manufacturing method thereof | |
| Kim et al. | Versatile nanodot-patterned Gore-Tex fabric for multiple energy harvesting in wearable and aerodynamic nanogenerators | |
| Zhu et al. | The d-arched piezoelectric-triboelectric hybrid nanogenerator as a self-powered vibration sensor | |
| US10333054B2 (en) | Nanogenerator and method of manufacturing the same | |
| Zhou et al. | Integrated dielectric-electrode layer for triboelectric nanogenerator based on Cu nanowire-Mesh hybrid electrode | |
| CN205195598U (en) | Composite nanowire generator | |
| CN104167950B (en) | Friction generator | |
| WO2013181952A1 (en) | A hybrid piezoelectric and triboelectric nanogenerator | |
| WO2014114028A1 (en) | Micro power generator with single friction surface and manufacturing method therefor | |
| US9024510B1 (en) | Compliant electrode and composite material for piezoelectric wind and mechanical energy conversions | |
| Su et al. | Segmented wind energy harvester based on contact-electrification and as a self-powered flow rate sensor | |
| Zhang et al. | Highly stable and eco-friendly marine self-charging power systems composed of conductive polymer supercapacitors with seawater as an electrolyte | |
| CN103859688A (en) | Power generation shoe | |
| CN103682081A (en) | Piezoelectric electret film and preparation method thereof | |
| CN103855421B (en) | Self-charging film lithium ion battery | |
| CN103236494A (en) | Preparation method of carbon-based nano power supply | |
| CN202980325U (en) | Luminous shoes | |
| CN110868098B (en) | Self-powered ammonia sensing friction nano generator and preparation method and application thereof | |
| CN103859678A (en) | Light emitting shoe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NAZHIYUANG TECHNOLOGY (TANGSHAN) LLC Free format text: FORMER OWNER: NEWNAGY (TANGSHAN) LLC Effective date: 20150525 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 063009 TANGSHAN, HEBEI PROVINCE TO: 063000 TANGSHAN, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150525 Address after: 063000 Tangshan City Province, North Road, building No. 101, Hebei hi tech headquarters building room 1001 Patentee after: Nano Zhiyuan science and Technology (Tangshan) Co., Ltd. Address before: 063009 Tangshan City hi tech Development Zone, North Road, No. 101 hi tech headquarters building, room 1001, No. Patentee before: Nanometer new forms of energy (Tangshan) Ltd |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |