CN108365776A - A kind of moisture generator and preparation method thereof - Google Patents
A kind of moisture generator and preparation method thereof Download PDFInfo
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- CN108365776A CN108365776A CN201810085693.7A CN201810085693A CN108365776A CN 108365776 A CN108365776 A CN 108365776A CN 201810085693 A CN201810085693 A CN 201810085693A CN 108365776 A CN108365776 A CN 108365776A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N3/00—Generators in which thermal or kinetic energy is converted into electrical energy by ionisation of a fluid and removal of the charge therefrom
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
Abstract
The present invention relates to a kind of moisture generators and preparation method thereof.The moisture generator includes the substrate set gradually, first electrode, nano wire layer and second electrode, wherein the nano wire layer is arranged between the first electrode and the second electrode, is made of the nano wire of random distribution.The present invention also provides the preparation methods of above-mentioned moisture generator.Moisture generator provided by the present invention uses the network structure that nano wire is formed, which has good hydrophily, and a large amount of nanovoids contained therein are highly beneficial to moisture diffusion, and moisture generator can be made to have higher power output density.When the substrate of moisture generator is made of flexible material, coordinate the nano wire layer network structure with good flexibility, it can make moisture generator that there is good mechanical flexibility, human skin surface can be attached to, monitor human body respiration state in real time or as wearable touch electrical screen.
Description
Technical field
The present invention relates to a kind of moisture generators and preparation method thereof, belong to technical field of new energy power generation.
Background technology
In recent years, it with the gradual aggravation of energy crisis and environmental problem, cleaning, the research of regenerative resource device and answers
With obtain the whole world concern.Wherein, solar energy, thermal energy, mechanical vibrational energy, wind energy, sound wave energy, bioenergy etc. are used to successively
Power generation, has wide practical use in self-contained electric system and wearable field.
However, above-mentioned energy form is still having more limitation using upper, such as device of solar generating is when there is no light
It can not work；Mechanical oscillation are being used to that the reliability of system may also be reduced while power generation, and wind electricity generating system is calm
Under the conditions of can not work.
Recently, moisture is just used to generate electricity as the resource being widely present in nature and bioprocess, extends nature
It can be used to the resource to generate electricity in boundary.However, existing moisture electricity-generating method output power density is relatively low, it is soft for the machinery of device
Property report it is less, and report of the moisture power generation in self-powered, wearable field is less is rarely reported.
Invention content
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of moisture generator, the moisture generator base
In nano wire, there is higher power output density, there is good spontaneous electrical function.
In order to achieve the above objectives, the present invention provides a kind of moisture generators comprising the substrate that sets gradually, the first electricity
Pole, nano wire layer and second electrode, wherein the nano wire layer is arranged between the first electrode and the second electrode,
It is made of the nano wire of random distribution.
In the moisture generator of the present invention, first electrode, nano wire layer and second electrode form interlayer electrification structure, the
One electrode and output electrode of the second electrode as the voltage and current of electrification structure；When in use, which has been exposed to wet
In the environment of gas, moisture is spread in nano wire layer, generates potential difference between the first electrode and the second electrode, in first electrode
Charge flowing is formed between second electrode, generates electric current.Above-mentioned moisture is referred to as steam, may come from environment sky
Gas, the breathing of human body, human finger, the breathing of animal, volatile liquid etc..
In one embodiment of the invention, random distribution refers in entire nano wire layer, and nano wire is with nothing
The formal distribution of rule.In the presence of nano wire layer is in a manner of nano wire random distribution, nano wire can intersect to be formed
Nanometer line network structure, such as shown in Fig. 2 and Fig. 3, nano wire can form more (relative to the side being vertically arranged between each other
Formula) hole (or gap), contribute to diffusion of the moisture in nano wire layer in this way, and can obtain relative to vertical row
The higher power output density of row mode.Preferably, in above-mentioned nanometer line network structure, nano wire intersects the hole to be formed
Aperture be less than 200 nanometers, it is preferably most of to be less than 100 nanometers.The mode of this random distribution preferably uses electrophoretic deposition
Method formed.
In the moisture generator of the present invention, it is preferable that the material of nano wire has positive Zeta potential or negative Zeta
Current potential.
In the moisture generator of the present invention, it is preferable that the material of the nano wire is that resistivity is more than 100 ohm meters
Material, can to avoid first electrode and second electrode short circuit.
In the moisture generator of the present invention, it is preferable that the nano wire layer is hydrophilic.It is highly preferred that described receive
Contact angle (or angle of wetting) θ≤60 ° of rice noodles layer and water.Nano wire layer has good hydrophily, can promote moisture etc.
Diffusion in nano wire layer, and then improve power output density.
In the moisture generator of the present invention, the thickness of nano wire layer may be controlled to 1-100 microns, and preferably 5-20 is micro-
Rice.The thickness of nano wire layer and the relationship of voltage are as shown in figure 13.
In the moisture generator of the present invention, used nano wire can be titanium oxide nano wire and/or zinc oxide nano
Rice noodles.The diameter of nano wire is preferably 70-300 nanometers.
In the moisture generator of the present invention, substrate, first electrode, second electrode all can be stratiform or film-forms.Base
The thickness at bottom may be controlled to 10-5000 microns.The thickness of first electrode and second electrode can be 0.05-100 microns respectively.
In the moisture generator of the present invention, common base material, such as simple metal, alloy, height may be used in substrate
Molecular material or inorganic material.Wherein, the simple metal for being suitable for substrate can be gold, silver, platinum, aluminium, nickel, copper, titanium, chromium or tin etc.；
The material of alloy suitable for substrate can be selected from least two in gold, silver, platinum, aluminium, nickel, copper, titanium, chromium and tin；Suitable for high score
Sub- material can be selected from polyethylene terephthalate, polyethylene naphthalate, polyimides, polytetrafluoroethylene (PTFE), gather
Vinylidene, polyvinyl chloride, polydimethylsiloxane, polystyrene, polyethylene, polyvinylidene chloride, polyether, gathers polyamide
Methyl methacrylate, polyvinyl alcohol, polyisobutene, polyvinyl formal, polyacrylonitrile, makrolon, poly- terephthaldehyde
Sour fourth diester, polyethylene naphthalate, poly- dichlorodifluoroethylene, paraxylene ring disome, ethylene-vinyl acetate copolymerization
Object, perfluoroethylene-propylene copolymer, acrylonitrile-butadiene-styrene terpolymer and vinyl chloride-vinyl acetate copolymer
One kind in；Inorganic material suitable for substrate can be ceramics or glass, wherein ceramics are preferably selected from boron oxide, titanium dioxide
Silicon, aluminium oxide, magnesia, zirconium oxide, silicon nitride, aluminium nitride, gallium nitride, boron nitride, titanium nitride, boron carbide, silicon carbide, carbonization
At least one of titanium and titanium boride.
The flexible of the flexible devices such as existing flexible PCB is only to use flexible base board, considers the soft of device entirety
Property, for these devices after it experienced repeatedly bending, correlated performance will produce certain decline, and existing moisture generator
Flexibility is then not concerned with substantially.Flexible material substrate may be used in the moisture generator of the present invention, and coordinates nano wire layer
Structures such as (nano wire layer itself also have good flexibility), make moisture generator have overall flexibility, have passed through 10,000 times
Mechanical deflection after, the performances such as output voltage are not decreased obviously.The material of above-mentioned flexible material substrate can be
Polyethylene terephthalate, polyimides, polyethylene terephthalate, polyethylene naphthalate, polytetrafluoro
Ethylene, Kynoar, polyamide, polyvinyl chloride, polydimethylsiloxane, polystyrene, polyethylene, polyvinylidene chloride etc..
In the moisture generator of the present invention, first electrode and the voltage and current that second electrode is as electrification structure
Output electrode, any conventional electrode material can use, and first electrode and second electrode can be stratiform or film-form, example
Such as：First electrode and second electrode include indium tin oxide (ITO) film, graphene film, nano silver wire membrane coat, or
Person, gold, silver, platinum, aluminium, nickel, copper, titanium, chromium, tin or its alloy one kind being formed by layer or film.Also, first electrode and the
The material of two electrodes may be the same or different.
The present invention also provides the preparation methods of above-mentioned moisture generator comprising following steps：
First electrode is formed in substrate；
Nano wire layer is formed on the surface of first electrode；
Second electrode is formed on the surface of nano wire layer.
When preparing the moisture generator of the present invention, first electrode and second electrode may be used pulsed laser deposition, divide
It is any in beamlet extension, magnetron sputtering, ion plating, vacuum evaporation, chemical vapor deposition, plating, wet chemical and template
A kind of method deposition is prepared.Nano wire layer can pass through electrophoretic deposition, drop rubbing method (Drop-casting) or rotation
Coating is formed.Compared to drop rubbing method and spin-coating method, when using electrophoretic deposition, prepared nano wire layer can be more
Uniformly, finer and close, the situation for occurring short circuit between first electrode and second electrode can be avoided, moreover, in preparation process
Also it has higher efficiency.
In the above preparation method, it is preferable that followed the steps below when forming nano wire layer using electrophoretic deposition：
Nano wire is scattered in solvent, nano wire colloidal sol is obtained；
The substrate for foring first electrode is placed in colloidal sol, another electrically-conductive backing plate is inserted into, substrate is made to carry first electrode
Side it is opposite with electrically-conductive backing plate；
Apply voltage between substrate and electrically-conductive backing plate, nanowire deposition is made to be then taken out to the surface of first electrode, passes through
Drying is crossed, nano wire layer is formed.
The present invention also provides a kind of respiration transducers comprising above-mentioned moisture generator.Moisture generator setting exists
Near the nasal cavity of people or oral cavity, the respiratory rate for monitoring human body in real time.Moisture generator output voltage with respiratory rate and
Respiratory intensity is related, and output voltage can be used for characterizing human body respiration frequency, and concrete operating principle is：Human body is breathing
The gas breathed out in the process has higher humidity, when the nano wire layer in the gas of exhalation and moisture generator contacts, moisture
In ion diffusion in the channel that nano wire is formed (i.e. hole, gap), to make ion preferentially flow in the channel, to
Potential difference is formed between first electrode and second electrode.When human body air-breathing, the moisture evaporation separation in nanometer line passage, first
Voltage can decline therewith between electrode and second electrode.When human cyclin breathes, the first electrode of moisture generator and
Corresponding periodic electrical signal can be generated between second electrode.By analyze electric signal frequency and size can obtain about
The information such as human body respiration frequency and depth of respiration.Simultaneously, it is contemplated that moisture generator of the invention has good shape adaptive
Ying Xing, and generate voltage can be used directly to analysis human body breath state, without additional circuit drives, it is this from
The wearable biological breathing detection of driving is before following medical monitoring and sleep quality detection etc. have important application
Scape.
When for respiration transducer, the base material of moisture generator is preferably used to human body (or animal body) nothing
Poison, the material for having preferable cementability with skin, having definite shape adaptivity, the substrate being especially in direct contact with human body face
Material preferably satisfies above-mentioned condition, such as polymethyl siloxane film or pet film.
The present invention also provides a kind of finger touch sensors comprising above-mentioned moisture generator.It is touched when for finger
When sensor, moisture generator can detect the touch of human finger.The output voltage of moisture generator and finger press voltage-frequency
Rate is related with press pressure, whether the electric signal of generator output can be used to characterize the pressing of finger.Concrete operating principle is：When
When human body presses moisture generator, the moisture diffusion of finger skin is to generator, when moisture is contacted with nano wire layer, in moisture
Ion spread in the channel that nano wire is formed, to make ion preferentially flow in the channel, in first electrode and the
Potential difference is formed between two electrodes.When human finger leaves moisture generator, the moisture evaporation separation in nanometer line passage, the
Voltage between one electrode and second electrode declines therewith.It can be obtained about people by the frequency and size of analyzing electric signal
The press condition of body finger.Simultaneously in view of the voltage that the moisture power generation of the present invention generates can be used directly to detection human finger
Pressing, without additional circuit drives, it is this from driving human finger touch sensor can have in terms of touch tablet compared with
Big application prospect.
Moisture generator provided by the present invention uses the network structure that nano wire is formed, the structure to have good hydrophilic
Property, and a large amount of nanovoids contained therein are highly beneficial to moisture diffusion, moisture generator can be made to have higher
Power output density.In addition, the moisture generator of the present invention is by first electrode, the three-dimensional stacked knot of nano wire layer, second electrode
Structure forms, and component compact is easily prepared, and cost is relatively low, has and is easy in high volume fabricate.When the substrate of moisture generator
When being made of flexible material, coordinate the nano wire layer network structure with good flexibility, moisture generator can be made to have good
Good mechanical flexibility, can be attached to human skin surface as sensor, monitor human body respiration state in real time or as wearable
Touch electrical screen；Due to sensor itself be it is exportable with the relevant voltage of humidity, the intrinsic voltage can characterize breathing or
Person's touch condition is particularly suitable for not need additional circuit when working sensor to drive in self-contained electric system.
Description of the drawings
Fig. 1 is the structural schematic diagram for the moisture generator that embodiment 1 provides.
Fig. 2 is the scanning electron microscope (SEM) photograph of titanium dioxide nano thread network structure.
Fig. 3 is the sectional view of titanium dioxide nano thread network structure.
Fig. 4 is angle of wetting test result figure of the water droplet in titanium dioxide nano thread network structure.
Fig. 5 is that voltage and current of the moisture generator of embodiment 1 in wet gas environments exports result figure.
Fig. 6 is the mechanical deflection process schematic of the moisture generator of embodiment 1.
Fig. 7 is voltage output result figure of the moisture generator of embodiment 1 after mechanical deflection.
Fig. 8 is voltage output of the moisture generator of embodiment 2 in wet gas environments.
Fig. 9 is the titanium dioxide nanowire array sectional view grown vertically that comparative example uses hydro-thermal method synthesis.
Figure 10 is angle of wetting of the water on the titanium dioxide nanowire array grown vertically.
Figure 11 is voltage output result figure of monitoring of respiration sensor during human body respiration.
Figure 12 is voltage output result figure of finger compression sensor during human finger presses.
Figure 13 is the relation curve of the thickness and voltage of nano wire layer.
Specific implementation mode
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but should not be understood as to the present invention can practical range restriction.
Embodiment 1
A kind of moisture generator is present embodiments provided, structure is as shown in Figure 1.The moisture generator includes substrate 1,
One electrode 2, nano wire layer 3, second electrode 4, wherein：
Substrate is flexible substrates, and material is polyethylene terephthalate, and size is 1 centimetre of 1 cm x, and thickness is
50 microns；
First electrode is stratiform, is indium tin oxide films, and thickness is 300 nanometers；
The material of nano wire layer is titanium dioxide nano thread, and diameter is distributed in 70-300 nanometers, the thickness of nano wire layer
It is 10 microns；Nano wire intersects to form titanium dioxide nano thread network structure；The pattern and coating of titanium dioxide nano thread
Section difference it is as shown in Figures 2 and 3；The good hydrophilic property of titanium dioxide nano thread network structure, the angle of wetting with water are 13 degree,
As shown in Figure 4；
Second electrode is stratiform, and material is aluminium, and thickness is 100 nanometers.
The moisture generator is prepared according to the following steps：
First electrode is formed in substrate using magnetron sputtering method；
Nano wire layer is formed on the surface of first electrode using electrophoretic deposition；
Second electrode is formed on the surface of nano wire layer using electron-beam vapor deposition method；
Nano wire layer is formed by step in detail below：
(1) 0.5 gram of titanium dioxide nano thread is scattered in organic solvent (250 milliliters of alcohol, 4 milliliters of acetone and 2 milliliters
The mixed solution of water composition), and be sufficiently stirred until being completely dispersed, formation titanium dioxide nano thread colloidal sol.
(2) substrate for being formed with first electrode is placed in colloidal sol, take thickness be 100 microns of titanium-base be placed in parallel away from
The place that 5 millimeters of substrate, and apply 30 volts of constant voltage between substrate and titanium plate, deposition takes out substrate after 1 minute.
(3) substrate is placed in 100 DEG C of heating furnace to place 12 hours and is dried, you can titanium dioxide nano thread layer is obtained,
Form nanometer line network structure.
The moisture generator based on titanium dioxide nano thread structure obtained to embodiment 1 carries out actual test, specifically
It follows the steps below：
Moisture generator is placed in the controllable cavity of a humidity, when the relative humidity in cavity rises to 95% by 10%
When, moisture generator output voltage can reach about 0.5 volt interior in short-term；When relative humidity is reduced to 10% in cavity,
Moisture generator output voltage is about 0 volt；When relative humidity rises to 95% again in cavity, moisture generator output electricity
Pressure reaches about 0.5 volt again, as shown in a figures in Fig. 5.
The short circuit current of moisture generator is tested：When the relative humidity in cavity by 10% rise to 95% when
It waits, moisture generator short circuit current can reach about 8 microamperes interior in short-term.When relative humidity is reduced to 10% in cavity, moisture hair
Motor output voltage is about 0 microampere, as shown in the b figures in Fig. 5.
It can be obtained by calculating：The output power density of the moisture generator of the present embodiment is 4 μ W/cm-2。
The bending resistance of the moisture generator is tested, concrete mode is as shown in fig. 6, crooked process radius is 6 millimeters.
During more than 10,000 mechanical deflections, the voltage output of the moisture generator is said as shown in fig. 7, be not substantially reduced
The mechanical flexibility of the bright moisture generator based on titanium dioxide nano thread network structure is preferable.
Embodiment 2
A kind of moisture generator is present embodiments provided, structure is as shown in Figure 1.The moisture generator includes substrate 1,
One electrode 2, nano wire layer 3, second electrode 4, wherein：
Substrate is the glass that thickness is 1 millimeter, and size is 1 centimetre of 1 cm x；
First electrode is stratiform, is fluorine doped tin oxide, and thickness is 300 nanometers；
The material of nano wire layer is titanium dioxide nano thread, and diameter is distributed in 70-300 nanometers, the thickness of nano wire layer
It is 10 microns；
Second electrode is stratiform, and material is aluminium, and thickness is 100 nanometers.
The moisture generator is prepared according to the following steps：
First electrode is formed in substrate using magnetron sputtering method；
Nano wire layer is formed on the surface of first electrode using electrophoretic deposition, concrete technology is as follows
(1) 0.5 gram of titanium dioxide nano thread is scattered in organic solvent (250 milliliters of alcohol, 4 milliliters of acetone and 2 milliliters
The mixed solution of water composition), and be sufficiently stirred until being completely dispersed, formation titanium dioxide nano thread colloidal sol；
(2) substrate pole is placed in colloidal sol, it is the ground that 100 microns of titanium-base is placed in parallel 5 millimeters away from substrate to take thickness
Just, and between substrate and titanium plate apply 30 volts of constant voltage, deposition takes out substrate after 1 minute；
(3) substrate is placed in 100 DEG C of heating furnace to place 12 hours and is dried, you can titanium dioxide nano thread layer is obtained,
Form nanometer line network structure；
Electron-beam vapor deposition method is used to form thickness on the surface of nano wire layer as 100 nanometers of second electrode.
The moisture generator based on titanium dioxide nano thread structure obtained to embodiment 2 carries out actual test, specifically
It is carried out according to embodiment 1：
Moisture generator is placed in the controllable cavity of a humidity, when the relative humidity in cavity rises to 95% by 10%
When, moisture generator output voltage can reach about 0.5 volt interior in short-term；When relative humidity is reduced to 10% in cavity,
Moisture generator output voltage is about 0 volt；When relative humidity rises to 95% again in cavity, moisture generator output electricity
Pressure reaches about 0.5 volt again, as shown in Figure 8.
Comparative example
It changes the electrophoretic deposition titanium dioxide nano thread in embodiment 2 into Hydrothermal Growth nano wire, obtains perpendicular to base
The titanium dioxide nanowire array of plate, section are as shown in Figure 9.Fig. 9 shows it is the case where nano wire is grown vertically, and nanometer
Line density is high, and angle of wetting of the water on vertical nano-wire array is 80 degree, as shown in Figure 10, it is possible thereby to illustrate that titanium dioxide is received
The hydrophily for the array that rice noodles are vertically arranged is poorer than the nanometer line network structure of electrophoretic deposition.
Electron-beam vapor deposition method is used to form thickness on the surface of nano wire layer as 100 nanometers of second electrode.
The moisture generator based on titanium dioxide nano thread structure obtained to this comparative example carries out actual test, specifically
It is carried out according to embodiment 1：
Moisture generator is placed in the controllable cavity of a humidity, when the relative humidity in cavity rises to 95% by 10%
When, moisture generator output voltage can reach about 0.015 volt interior in short-term；When relative humidity is reduced to 10% in cavity
When, moisture generator output voltage is about 0 volt.Compared with using the moisture generator of titanium dioxide nano thread network structure,
In identical wet gas environments, output voltage only uses the moisture generator for the array being vertically arranged using titanium dioxide nano thread
The 3% of the moisture generator of titanium dioxide nano thread network structure.
Embodiment 3
The moisture generator of embodiment 1 can be attached near human body nasal cavity or oral cavity, the breathing for monitoring human body in real time
Frequency.Moisture generator output voltage is related with respiratory intensity with respiratory rate, and output voltage can be used to characterize human body and exhale
Inhale frequency.
It is attached to the moisture generator in embodiment 1 as sensor apart from the place of 8 millimeters of nasal cavity, sensor both ends
Voltage output is as shown in figure 11 with the variation in healthy human body respiratory.It can thus be seen that the voltage of sensor output
Pulse signal frequency is consistent with human body respiration frequency, and voltage pulse can be separated clearly.The voltage that the sensor itself generates
Signal can be used to characterize breath state, not need external power supply power supply.
Embodiment 4
The deformable moisture generator of embodiment 1 can detect the touch of human finger.Moisture generator output voltage with
Compression frequency is related with press pressure, whether the electric signal of generator output can be used to characterize the pressing of finger.Moisture is generated electricity
Machine is attached to human skin surface, and copper conductor extraction electrode is used in combination, and is measured in real time in finger presses nanometer line network configuration process
The voltage at device both ends.Finger pressed a generator every 1.5 seconds or so, and press pressure is about 4 kPas, device both ends
The voltage pulse signal that amplitude is about 150 millivolts can be measured, as shown in figure 12.There is not weight in adjacent voltage pulse
Folded, each pulse can be distinguished clearly, illustrate that the response speed of the sensor is very fast.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all not depart from the present invention
The variations such as any modification is made within technical proposal scope and principle, changes, modify or improve, it should all be in the protection of the present invention
In range.
Claims (16)
1. a kind of moisture generator comprising substrate, first electrode, nano wire layer and the second electrode set gradually, wherein institute
It states nano wire layer to be arranged between the first electrode and the second electrode, be made of the nano wire of random distribution, institute
Nano wire is stated to intersect to form nanometer line network structure.
2. moisture generator according to claim 1, wherein the random distribution refers to being received in entire nano wire layer
Rice noodles are with irregular formal distribution；Preferably, in the nanometer line network structure, nano wire intersects the hole to be formed
Aperture is less than 200 nanometers.
3. moisture generator according to claim 1, wherein the material of the nano wire is that resistivity is more than 100 Europe
The material of momme.
4. according to claim 1-3 any one of them moisture generators, wherein the material of the nano wire has positive Zeta
Current potential or negative Zeta potential.
5. according to claim 1-4 any one of them moisture generators, wherein the nano wire layer be it is hydrophilic, preferably
Contact angle θ≤60 ° of ground, the nano wire layer and water.
6. according to claim 1-5 any one of them moisture generators, wherein the nano wire be titanium oxide nano wire and/
Or zinc oxide nanowire.
7. according to claim 1-6 any one of them moisture generators, wherein the thickness of the nano wire layer is that 1-100 is micro-
Rice, preferably 5-20 microns.
8. according to claim 1-7 any one of them moisture generators, wherein a diameter of 70-300 of the nano wire receives
Rice.
9. according to claim 1-8 any one of them moisture generators, wherein the substrate be stratiform or film-form, preferably
The thickness on ground, the substrate is 10-5000 microns；
The first electrode and the second electrode are stratiform or film-form, it is preferable that the thickness of the two is respectively 0.05-
100 microns.
10. the moisture generator according to claim 1 or 9, wherein the material of the substrate is simple metal, alloy, high score
Sub- material or inorganic material；
Preferably, the simple metal is gold, silver, platinum, aluminium, nickel, copper, titanium, chromium or tin；
Preferably, the material of the alloy in gold, silver, platinum, aluminium, nickel, copper, titanium, chromium and tin at least two；
Preferably, it is sub- to be selected from polyethylene terephthalate, polyethylene naphthalate, polyamides for the high molecular material
Amine, polytetrafluoroethylene (PTFE), Kynoar, polyamide, polyvinyl chloride, polydimethylsiloxane, polystyrene, polyethylene, poly- inclined two
Vinyl chloride, polyether, polymethyl methacrylate, polyvinyl alcohol, polyisobutene, polyvinyl formal, polyacrylonitrile, poly- carbon
Acid esters, polybutylene terephthalate, polyethylene naphthalate, poly- dichlorodifluoroethylene, paraxylene ring disome, second
Alkene-vinyl acetate co-polymer, perfluoroethylene-propylene copolymer, acrylonitrile-butadiene-styrene terpolymer and chloroethene
One kind in alkene-acetate ethylene copolymer；
Preferably, the inorganic material is that ceramics or glass, the ceramics are preferably selected from boron oxide, silica, aluminium oxide, oxygen
Change in magnesium, zirconium oxide, silicon nitride, aluminium nitride, gallium nitride, boron nitride, titanium nitride, boron carbide, silicon carbide, titanium carbide and titanium boride
At least one.
11. the moisture generator according to claim 1 or 10, wherein the substrate is flexible material substrate, it is preferable that
The material of the flexible material substrate is polyethylene terephthalate, polyimides, polyethylene naphthalate, poly- four
Vinyl fluoride, Kynoar, polyamide, polyvinyl chloride, polydimethylsiloxane, polystyrene, polyethylene or polyvinylidene chloride.
12. according to claim 1-11 any one of them moisture generators, wherein the first electrode includes indium tin metal oxygen
Compound film, graphene film, nano silver wire membrane coat, alternatively, gold, silver, platinum, aluminium, nickel, copper, titanium, chromium, tin or its alloy
One kind being formed by layer or film；
The second electrode includes indium tin oxide film, graphene film, nano silver wire membrane coat, alternatively, gold, silver,
Platinum, aluminium, nickel, copper, titanium, chromium, tin or its alloy one kind being formed by layer or film.
13. the preparation method of claim 1-12 any one of them moisture generators comprising following steps：
First electrode is formed in substrate；
Nano wire layer is formed on the surface of first electrode；
Second electrode is formed on the surface of nano wire layer；
Preferably, the nano wire layer is formed by electrophoretic deposition, drop rubbing method or spin-coating method.
14. preparation method according to claim 13, wherein according to following when forming nano wire layer using electrophoretic deposition
Step carries out：
Nano wire is scattered in solvent, nano wire colloidal sol is obtained；
The substrate for foring first electrode is placed in colloidal sol, another electrically-conductive backing plate is inserted into, substrate is made to carry the one of first electrode
Side is opposite with electrically-conductive backing plate；
Apply voltage between substrate and electrically-conductive backing plate, nanowire deposition is made to be then taken out to the surface of first electrode, by drying
It is dry, form nano wire layer.
15. a kind of respiration transducer comprising claim 1-12 any one of them moisture generators, it is preferable that described wet
Gas generator is arranged near the nasal cavity of people or oral cavity.
16. a kind of finger touch sensor comprising claim 1-12 any one of them moisture generators.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085693.7A CN108365776B (en) | 2018-01-29 | 2018-01-29 | Wet gas generator and preparation method thereof |
| PCT/CN2019/073180 WO2019144931A1 (en) | 2018-01-29 | 2019-01-25 | Moisture power generator and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085693.7A CN108365776B (en) | 2018-01-29 | 2018-01-29 | Wet gas generator and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365776A true CN108365776A (en) | 2018-08-03 |
| CN108365776B CN108365776B (en) | 2020-08-28 |
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ID=63007456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810085693.7A Active CN108365776B (en) | 2018-01-29 | 2018-01-29 | Wet gas generator and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108365776B (en) |
| WO (1) | WO2019144931A1 (en) |
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| WO2021115056A1 (en) * | 2019-12-13 | 2021-06-17 | 深圳先进技术研究院 | Flexible electrode and preparation method therefor |
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| CN111600507B (en) * | 2020-01-09 | 2024-01-12 | 盐城师范学院 | Preparation method of wet gas power generation device based on titanium dioxide/silicon dioxide |
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| KR20220142018A (en) * | 2021-04-14 | 2022-10-21 | 한국생산기술연구원 | Hydrogen production system using transpiration electricity generation and Method for hydrogen production with the same |
| CN113876057A (en) * | 2021-09-27 | 2022-01-04 | 西安交通大学 | Self-powered portable intelligent mask based on piezoelectric-thermoelectric collection |
| CN114034744A (en) * | 2021-11-05 | 2022-02-11 | 电子科技大学 | High-performance self-driven humidity sensor and preparation method thereof |
| CN114597514A (en) * | 2022-03-15 | 2022-06-07 | 江南大学 | Fibrous humidity battery |
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| WO2019144931A1 (en) | 2019-08-01 |
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