CN107196550A - A kind of printable energy capture device - Google Patents
A kind of printable energy capture device Download PDFInfo
- Publication number
- CN107196550A CN107196550A CN201710562294.0A CN201710562294A CN107196550A CN 107196550 A CN107196550 A CN 107196550A CN 201710562294 A CN201710562294 A CN 201710562294A CN 107196550 A CN107196550 A CN 107196550A
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- China
- Prior art keywords
- liquid metal
- capture device
- energy capture
- dielectric material
- capacitance electrode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
A kind of printable energy capture device proposed by the present invention, including liquid metal capacitance electrode, rectification circuit, dielectric material, flexible encapsulant material and electrode leads to client.Liquid metal capacitance electrode is printed on the dielectric material by liquid metal electronic circuit printer; and add electrode leads to client; dielectric material and liquid metal capacitance electrode are packaged and protected by flexible encapsulant material; electrode leads to client connects rectification circuit, can be unidirectional current by bidirectional current rectification.The device can be captured to the electrostatic energy that friction is produced, and for being charged to electronic equipment, there is simple and reliable for structure, with low cost, the characteristics of easy to use, be expected to be applied to wearable device, consumer electronics and internet of things equipment etc..
Description
Technical field
The invention belongs to can print electronic technology field, more particularly to a kind of printable energy capture device.
Background technology
There are various electronic equipments in the modern life, from film and television, then to mobile phone, then to intelligent watch, hand
Ring etc., the volume of equipment is less and less, and use is more and more portable, and function is increasingly enriched, and accordingly, the requirement to battery is also got over
Come higher, higher capacity can reduce charging times with smaller volume, cruising time be improved, so as to improve the facility used
Property.
With the popularization of sensor technology, Internet of Things is developed rapidly, raw in smart city, Logistics Transportation, industry
The field such as production and smart home suffers from being widely applied, for many sensor terminals, due to needing to meet volume simultaneously
It is portable with working long hours, so the charging of equipment often be difficult solve, some existing schemes such as solar energy, wind energy etc., all
There is respective environment restrictive condition, there is presently no preferable solution.
In addition in the medical field, similar heart pacemaker, insulin pump and cardiac monitoring equipment etc., due to need with
Body is in close contact and worked long hours, thus its charging also becomes a problem, if implanted equipment, then traditional
Charging method is no longer applicable, if there can be the propagation energy that a kind of motion of equipment automatic capture human body is produced, and then to equipment
Charged, then can save many inconvenience.
In order to solve the above problems, different types of energy capture technology is arisen at the historic moment, and using the temperature difference, luminous energy, is shaken
The technology that the energy such as dynamic, friction are generated electricity.Wherein triboelectricity technology is with its simple structure, the high spy of energy conversion efficiency
Point, has obtained the attention of researcher, and the diaphragm type triboelectricity device of flexible extensible can be realized at present.
Existing frictional energy capture device has conductive layer, dielectric enclosure layer, electrode outlet line and rectification circuit several
Individual part composition, wherein conductive layer is generally nanometer silver paste or solion, and dielectric enclosure layer material is generally PDMS or PET etc., is led to
The mode for crossing die casting is made.This scheme is disadvantageous in that the price of nanometer silver paste is higher, and silver paste and ion are molten
The temperature applicable range of liquid is more limited, and can be solidified or be evaporated at relatively high temperatures generation gas, cause solidification to lose flexibility
Or expansion makes structural failure.Comparatively cost is higher for the die casting of flexible material in technique, and is unfavorable for extensive life
Production, if it is possible to structure is formed by way of directly printing, then can be greatly reduced production cost, improve production efficiency.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to combine liquid metal printing principle and friction
The principle that electrifies is there is provided a kind of printable energy capture device, and the device has simple in construction, easily manufactured, environmental suitability
It is good, it is with low cost, it is easy to large-scale production and flexible feature, possess good flexibility, can dock and touch friction production
Raw electric energy is captured, and coordinates certain rectification circuit and energy storage circuit, available for giving each class of electronic devices such as hand
The charging such as machine, intelligent watch, medical monitor and internet of things equipment extends its use time；Present invention could apply to
Wearable electronic, portable digital equipment and internet of things equipment etc., improve cruising time, reduce charge frequency；With
The popularization of each class of electronic devices and the lifting of performance, the device for obtaining energy by environment are expected to be widely used.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of printable energy capture device, including dielectric material 3 and the liquid metal that is printed upon on dielectric material 3
Capacitance electrode 1, the liquid metal capacitance electrode 1 is connected with electrode leads to client 5, by the dielectric material 3 that rubs, in liquid metal
Accumulation is produced on capacitance electrode 1, stopping the change of electric capacity after friction causes the electric charge on liquid metal capacitance electrode 1 to produce
It is mobile, electric current is formed, is exported by electrode leads to client 5.
The flexible encapsulant material 4 for being packaged protection is provided with the liquid metal capacitance electrode 1 and dielectric material 3,
Liquid metal capacitance electrode 1 is encapsulated in device inside, flexible package material by the flexible encapsulant material 4 together with dielectric material 3
Expect 4 or differences identical with the material of dielectric material 3, when being acted on by external force, flexible encapsulant material 4 is with energy capture device
Deformation is produced together, so as to improve the adaptability of device.
The electrode leads to client 5 connects rectification circuit 2, is unidirectional current by bidirectional current rectification, the rectification circuit 2,
It is the bridge rectifier formed by diode combinations, diode used is ready-made unilateral diode device, or passes through half
Conductor material carries out the printing integrated circuit of printing formation, can be unidirectional current by two-way alternating current rectification.
The electrode leads to client 5 is the solid metallic electrode material with certain flexibility, and it is connected to liquid metal electric capacity
Between electrode 1 and rectification circuit 2, or the exit of rectification circuit 2 is connected to, and is connected to the electronic devices of required power supply
On.
The friction, is two energy capture device phase mutual friction, or utilizes insulating materials and an energy capture device
Part rubs.
The insulating materials is plastics, silica gel or human body skin.
The liquid metal capacitance electrode 1 is printed upon on dielectric material 3 using liquid metal material, the liquid metal material
Material be one kind in gallium, indium, tin, zinc, bismuth, lead, cadmium, copper, silver, gold, mercury, sodium, potassium, magnesium, aluminium, iron, cobalt, nickel, manganese, titanium, vanadium or
A variety of, its form is the electrical-conductive nanometer fluid that metal simple-substance, alloy or metal nanoparticle and fluid dispersion are mixed to form.
The dielectric material 3 is the PET film or PC films of Plastic, or flexible PDMS, silica gel or elastomeric material, thickness
In micron order or grade, by being rubbed with other megohmite insulant materials, electric charge can be formed in the aggregation on surface and divided
From.
The energy capture device becomes one separately as a power supply unit, or with other electronic equipments, into
For a part for power supply circuit.
Compared with prior art, the present invention combines liquid metal circuit printing device and frictional energy capture device
Principle, greatly improved the production efficiency of energy capture device, and with flexibility, stretchable feature is particularly suitable for use in skin
Application in skin electronics, wearable device, medical monitoring device etc..Simultaneously because connected diode rectifier circuit can also be used
Liquid metal print circuit is completed, so further reducing technological process, improves the integrality of device.It is this printable
Energy capture device is expected to be applied among consumer electronics, medicine equipment and internet of things equipment.
Brief description of the drawings
Fig. 1 is phase mutual friction between the structure chart of energy capture device proposed by the present invention, two energy capture devices, is led to
Over commutation circuit is powered to load.
Fig. 2 is the structure chart of energy capture device proposed by the present invention, and energy capture device is rubbed with insulating materials
Wiping-separation, the power supply realized to load is flowed by electric charge.
Fig. 3 is friction-separation, produces the principle schematic of electric charge flowing.
Fig. 4 be energy capture device in the bent state, it is carried out by human hand skin to rub-separate, produce electricity
Lotus and the schematic diagram being powered by electrode leads to client to external loading, and now dielectric material and flexible encapsulant material are same
One material.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
Liquid metal material refers to the general designation of a big metalloid material of the fusing point in the range of room temperature, generally with gallium metal or
Person's gallium-base alloy, and based on the Wood's metal (bismuth 50%, lead 25%, tin 12.5%, cadmium 12.5%) containing indium.Liquid metal
Material has good conduction and adhesion property, and various circuit patterns can be made by way of printing.
With reference to liquid metal printing and triboelectrification principle, the present invention proposes a kind of energy capture device, as shown in Figure 1, Figure 2
It is shown, including liquid metal capacitance electrode 1, rectification circuit 2, dielectric material 3, flexible encapsulant material 4 and electrode leads to client 5.
Liquid metal capacitance electrode 1 is printed upon on dielectric material 3 by liquid metal electronic circuit printer, and adds electrode leads to client
4, dielectric material 3 and liquid metal capacitance electrode 1 are packaged and protected by flexible encapsulant material 4, electrode leads to client
Rectification circuit 2 is connected, can be unidirectional current by bidirectional current rectification, dielectric material 3 is rubbed using megohmite insulant, can
To produce the aggregation of electric charge on liquid metal capacitance electrode 1, after megohmite insulant is away from dielectric material 3, the change of electric capacity is led
Cause the electric charge on liquid metal capacitance electrode 1 to produce movement, form electric current and enter rectification circuit 2, by electrode leads to client 5,
The electric current can be powered to other electronic equipments or battery is charged.Its principle is, by rubbing in dielectric material 3
Upper generation electrostatic, according to charge conservation, the liquid metal capacitance electrode 1 being connected with dielectric material 3 can also take opposite electric charge,
When device capacitor produces change, the electric charge being carried by also produces change, and then forms electric current, forms the process of electric current and needs
Friction-disengaging is repeated.
Liquid metal capacitance electrode 1 of the present invention, can choose different liquid metal materials, liquid metal fusing point is in room temperature model
Enclose, with higher mobility and adhesiveness, metal ingredient be gallium, indium, tin, zinc, bismuth, lead, cadmium, copper, silver, gold, mercury, sodium, potassium,
One or more in magnesium, aluminium, iron, cobalt, nickel, manganese, titanium, vanadium, its form be metal simple-substance, alloy or metal nanoparticle with
The electrical-conductive nanometer fluid that fluid dispersion is mixed to form, can form specific shape on the dielectric material by way of printing
Shape.
Dielectric material 3 of the present invention, can be PDMS, silica gel or the rubber of the PET film of Plastic, PC films or flexibility
Glue material, thickness is rubbed by the megohmite insulant material different with other in micron order or grade, can form electric charge
Aggregation and separation on surface.
Rectification circuit 2 of the present invention, is the bridge rectifier formed by diode combinations, and diode used can be existing
Into unilateral diode device or by semi-conducting material carry out print formation printing integrated circuit, can will pair
It is unidirectional current to alternating current rectification；
Electrode leads to client 5 of the present invention, is the solid metallic electrode material with certain flexibility, such as copper electrode or aluminium foil electricity
Pole, it can be connected between liquid metal capacitance electrode 1 and rectification circuit 2 or be connected to the extraction of rectification circuit 2
End, and be connected in the electronic devices of required power supply；
Flexible encapsulant material 4 of the present invention, device inside is encapsulated in together with dielectric material 3 by liquid metal capacitance electrode 1,
Flexible encapsulant material 4 can be identical with dielectric material 3, such as silica gel, rubber, PDMS etc., can also be different from dielectric material 3,
By external force effect as extruded, during stretching, flexible encapsulant material 4 can produce deformation together with energy capture device, so that
Improve the adaptability of device；
Wherein above-mentioned friction, can be that two energy capture devices are rubbed each other, electrode leads to client 5 is connected
On same rectification circuit 2 or energy capture device and other insulating materials such as plastics, silica gel, or human body
Skin etc. is rubbed, so as to produce electric charge.
Energy capture device of the present invention, both can be separately as a power supply unit, can also be with other electronic equipment collection
It is integrally formed, the part as power supply circuit.
The following is three embodiments, different structures have been respectively adopted.
Embodiment one
With reference to Fig. 1, liquid metal capacitance electrode 1 is printed upon on the PET basilar memebrane of flexibility, PET substrate conduct
Dielectric material 3, liquid metal used is 75% gallium, the gallium-indium alloy of 25% indium.Copper foil is attached after the completion of printing, liquid is connected
State metal capacitance electrode and outside, copper foil is as electrode leads to client 5, and coating flexible is transparent on liquid metal capacitance electrode 1
PDMS material is used as flexible encapsulant material.In the present embodiment, the electrode leads to client 5 of two energy capture devices is connected to
On same rectification circuit 2, two energy capture devices are mutually rubbed, you can produce electric charge, electric charge is drawn by electrode
Go out end 5 and enter rectification circuit 2, and load is powered.
Embodiment two
With reference to Fig. 2, in the present embodiment, the electrode leads to client 5 of single energy capture device is connected on rectification circuit 2,
Dielectric material 3 is rubbed using insulating materials, you can produce electric charge, electric charge enters rectification circuit by electrode leads to client 5
2, and load is powered.
Fig. 3 is the schematic diagram of the electric charge of embodiment one and two flowing, and the surface of dielectric material 3 takes negative electrical charge, root after friction
According to charge conservation, liquid metal capacitance electrode 1 becomes positively charged lotus, overall after the material rubbed with dielectric material 3 departs from
The capacitance of structure is changed, and positive charge flows to liquid metal capacitance electrode 1, so as to form electric current, load is supplied
Electricity.
Embodiment three
With reference to Fig. 4, liquid metal capacitance electrode 1 is printed upon in the PDMS substrates of flexible and transparent, dielectric material 3 and flexible envelope
Package material 4 is all PDMS, and liquid metal used is 75%Ga, 25%In gallium-indium alloy.Device has flexible and can simultaneously
The performance of stretching, Fig. 4 is illustrated to be rubbed using human hand (skin) to energy capture device, so as to produce the signal of electric energy
Figure, general principle be the same as Example 1.
It should be noted last that, the embodiment of the printable energy capture device of one of the above, only to illustrate this hair
Bright technical scheme and it is unrestricted.Although the present invention is described in detail with reference to embodiment, the ordinary skill people of this area
Member to technical scheme it should be appreciated that modify or equivalent substitution, without departure from the essence of technical solution of the present invention
God and scope, it all should cover among scope of the presently claimed invention.
Claims (9)
1. a kind of printable energy capture device, it is characterised in that including dielectric material (3) and be printed upon dielectric material
(3) the liquid metal capacitance electrode (1) on, the liquid metal capacitance electrode (1) is connected with electrode leads to client (5), by rubbing
Dielectric material (3) is wiped, accumulation is produced on liquid metal capacitance electrode (1), stopping the change of electric capacity after friction causes liquid
Electric charge on state metal capacitance electrode (1) produces movement, forms electric current, is exported by electrode leads to client (5).
2. the energy capture device that can print according to claim 1, it is characterised in that the liquid metal capacitance electrode
(1) flexible encapsulant material (4) for being packaged protection and on dielectric material (3) is provided with, the flexible encapsulant material (4) is with being situated between
Liquid metal capacitance electrode (1) is encapsulated in device inside, flexible encapsulant material (4) and dielectric material (3) by electric material (3) together
Material is identical or difference, and when being acted on by external force, flexible encapsulant material (4) produces shape together with energy capture device
Become, so as to improve the adaptability of device.
3. the energy capture device that can print according to claim 1, it is characterised in that electrode leads to client (5) connection
Rectification circuit (2), is unidirectional current by bidirectional current rectification, the rectification circuit (2), is the bridge formed by diode combinations
Formula rectification circuit, diode used is ready-made unilateral diode device, or carries out beating for printing formation by semi-conducting material
Integrated circuit is printed, can be unidirectional current by two-way alternating current rectification.
4. the energy capture device that can print according to claim 3, it is characterised in that the electrode leads to client (5) is tool
There is the solid metallic electrode material of certain flexibility, it is connected between liquid metal capacitance electrode (1) and rectification circuit (2), or
The exit of rectification circuit (2) is connected to, and is connected in the electronic devices of required power supply.
5. the energy capture device that can print according to claim 1, it is characterised in that the friction, is that two energy are caught
Device phase mutual friction is obtained, or utilizes insulating materials and an energy capture device friction.
6. the energy capture device that can print according to claim 5, it is characterised in that the insulating materials is plastics, silicon
Glue or human body skin.
7. the energy capture device that can print according to claim 1, it is characterised in that the liquid metal capacitance electrode
(1) be printed upon using liquid metal material on dielectric material (3), the liquid metal material be gallium, indium, tin, zinc, bismuth, lead,
One or more in cadmium, copper, silver, gold, mercury, sodium, potassium, magnesium, aluminium, iron, cobalt, nickel, manganese, titanium, vanadium, its form be metal simple-substance,
The electrical-conductive nanometer fluid that alloy or metal nanoparticle are mixed to form with fluid dispersion.
8. the energy capture device that can print according to claim 1, it is characterised in that the dielectric material (3) is plastics
The PET film or PC films of class, or flexible PDMS, silica gel or elastomeric material, thickness in micron order or grade, by and other
Megohmite insulant material is rubbed, and can form aggregation and separation of the electric charge on surface.
9. the energy capture device that can print according to claim 1, it is characterised in that the energy capture device is individually made
For a power supply unit, or become one with other electronic equipments, the part as power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562294.0A CN107196550A (en) | 2017-07-11 | 2017-07-11 | A kind of printable energy capture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562294.0A CN107196550A (en) | 2017-07-11 | 2017-07-11 | A kind of printable energy capture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196550A true CN107196550A (en) | 2017-09-22 |
Family
ID=59883474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710562294.0A Pending CN107196550A (en) | 2017-07-11 | 2017-07-11 | A kind of printable energy capture device |
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| CN (1) | CN107196550A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403122A (en) * | 2018-02-12 | 2018-08-17 | 中国科学院宁波材料技术与工程研究所 | A kind of measuring system and its measurement method of human body joint motion |
| CN110311457A (en) * | 2019-08-02 | 2019-10-08 | 中山大学附属第三医院 | It is a kind of using skin pricktest as the portable storage battery of power supply |
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| CN103684044A (en) * | 2012-09-03 | 2014-03-26 | 中国科学院理化技术研究所 | Piezoelectric film generator and manufacturing method thereof |
| CN104291264A (en) * | 2014-10-17 | 2015-01-21 | 华中科技大学 | Nano-piezoelectric fiber based flexible energy-harvesting device and manufacturing method thereof |
| CN105023752A (en) * | 2014-04-28 | 2015-11-04 | 中国科学院理化技术研究所 | Printed flexible electrolytic capacitor and manufacturing method thereof |
| CN106230306A (en) * | 2016-08-09 | 2016-12-14 | 中山市天美能源科技有限公司 | A kind of flexible generating thin film and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103684044A (en) * | 2012-09-03 | 2014-03-26 | 中国科学院理化技术研究所 | Piezoelectric film generator and manufacturing method thereof |
| CN103368452A (en) * | 2013-03-08 | 2013-10-23 | 国家纳米科学中心 | Electrostatic impulse generator and direct current (DC) impulse generator |
| CN105023752A (en) * | 2014-04-28 | 2015-11-04 | 中国科学院理化技术研究所 | Printed flexible electrolytic capacitor and manufacturing method thereof |
| CN104291264A (en) * | 2014-10-17 | 2015-01-21 | 华中科技大学 | Nano-piezoelectric fiber based flexible energy-harvesting device and manufacturing method thereof |
| CN106230306A (en) * | 2016-08-09 | 2016-12-14 | 中山市天美能源科技有限公司 | A kind of flexible generating thin film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403122A (en) * | 2018-02-12 | 2018-08-17 | 中国科学院宁波材料技术与工程研究所 | A kind of measuring system and its measurement method of human body joint motion |
| CN110311457A (en) * | 2019-08-02 | 2019-10-08 | 中山大学附属第三医院 | It is a kind of using skin pricktest as the portable storage battery of power supply |
| CN110311457B (en) * | 2019-08-02 | 2024-05-03 | 中山大学附属第三医院 | Portable storage battery using skin electricity as power supply |
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Application publication date: 20170922 |
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