CN109786543A - Generate electricity film and wearable device - Google Patents
Generate electricity film and wearable device Download PDFInfo
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- CN109786543A CN109786543A CN201910162799.7A CN201910162799A CN109786543A CN 109786543 A CN109786543 A CN 109786543A CN 201910162799 A CN201910162799 A CN 201910162799A CN 109786543 A CN109786543 A CN 109786543A
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- Prior art keywords
- film
- fiber
- power generation
- electret
- wearable device
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- 230000005611 electricity Effects 0.000 title abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 90
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000010408 film Substances 0.000 claims abstract description 63
- 238000010248 power generation Methods 0.000 claims abstract description 38
- 239000011787 zinc oxide Substances 0.000 claims abstract description 34
- 229960001296 zinc oxide Drugs 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 239000010409 thin film Substances 0.000 claims abstract description 27
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims description 61
- 229920001155 polypropylene Polymers 0.000 claims description 33
- -1 polypropylene Polymers 0.000 claims description 24
- 238000004146 energy storage Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims 1
- 229920009441 perflouroethylene propylene Polymers 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000010287 polarization Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of power generation film, including anode layer, negative electrode layer and piezo-electric electret thin film, wherein piezo-electric electret thin film is located between anode layer and negative electrode layer.The piezo-electric electret thin film includes the more composite fibres in random network distribution, and the composite fibre includes electret fiber and the zinc-oxide film for being coated on the electret fiber periphery.The present invention also proposes a kind of wearable device with the power generation film.When applied external force causes to generate electricity film generation mechanical deformation, the zinc oxide of random network structure/electret composite fibre spatial position change therewith and fiber between can also squeeze, to generate very big induced voltage and induced current, and efficient power output is realized by positive and negative anodes.The power generation film is applied to wearable device, can be realized and carries out long-term continual power supply to wearable device.
Description
Technical field
The present invention relates to technical field of electronic devices, in particular to a kind of power generation film and wearable device.
Background technique
Wearable device is that one kind is directly worn, or is integrated into the clothes of user or the portable device of accessory.
Wearable device is not only a kind of hardware device, even more strong to realize by software support and data interaction, cloud interaction
Big function, wearable device will life to us, perception bring very big transformation.Wherein, powerup issue is wearable
The key technical problem that equipment faces at present.Existing wearable device generallys use rechargeable battery and is powered, and works as battery
When electricity exhausts, user just need to charge again could normal use, cannot long-term uninterrupted power supply.
Summary of the invention
The main object of the present invention is to propose a kind of power generation film and wearable device, it is intended to solve above-mentioned technical problem.
To achieve the above object, power generation film proposed by the present invention, comprising:
Anode layer；
Negative electrode layer；
Piezo-electric electret thin film, the piezo-electric electret thin film are located between the anode layer and the negative electrode layer, institute
State piezo-electric electret thin film include more in random network distribution composite fibres, the composite fibre include electret fiber and
It is coated on the zinc-oxide film of the electret fiber periphery.
Optionally, the anode layer and the negative electrode layer are attached respectively to the two sides of the piezo-electric electret thin film, institute
Stating anode layer and the negative electrode layer is metal layer.
Optionally, the electret fiber includes polypropylene fibre, polycarbonate, polytetrafluoroethylene fibre, gathers entirely
Any one in fluoroethylene-propylene fiber, polyethylene fiber peacekeeping polyester fiber.
Optionally, the radius of the electret fiber is 500nm-20 μm.
Optionally, the zinc-oxide film with a thickness of 10nm-50nm.
The present invention also proposes a kind of wearable device comprising the power generation film.
Optionally, the wearable device further includes energy-storage units, and the energy-storage units are electrically connected with the power generation film.
The present invention proposes a kind of power generation film of coupled modes based on two kinds of electricity generating principles, and wherein electret fiber passes through
Certain charge can be kept after high voltage polarization for a long time, when the spatial position of the more electret fibers in random network distribution
Opposite variation occurs, the charge inducing of the upper and lower surface of constituted film can also occur accordingly to change；And zinc-oxide film conduct
The piezoelectrics of piezoelectric effect are provided, when being deformed by external force, inside can generate polarization phenomena, while it is opposite at it
Occurs positive and negative opposite charge on surface.Therefore, when applied external force causes to generate electricity film generation mechanical deformation, random network
The zinc oxide of structure/electret composite fibre spatial position change therewith and fiber between can also squeeze, from
And very big induced voltage and induced current are generated, and realize efficient power output by positive and negative anodes.The power generation film application
In wearable device, can be realized to wearable device continual power supply for a long time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of present invention power generation one embodiment of film；
Fig. 2 is the SEM figure of zinc oxide/polypropylene (PP) composite fibre power generation film in the present invention；
Fig. 3 is another SEM figure of zinc oxide/polypropylene (PP) composite fibre of the present invention power generation film；
Fig. 4 is the XRD diagram of polypropylene of the present invention (PP) fiber and zinc oxide/polypropylene (PP) composite fibre power generation film；
Fig. 5 is the voltage song of zinc oxide/polypropylene (PP) composite fiber thin film of the present invention and polypropylene (PP) fiber membrane
Line compares；
Fig. 6 is the electric current song of zinc oxide/polypropylene (PP) composite fiber thin film of the present invention and polypropylene (PP) fiber membrane
Line compares.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Generate electricity film | 10 | Anode layer |
| 20 | Piezo-electric electret thin film | 30 | Negative electrode layer |
| 21 | Composite fibre |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction is only used for explaining relative positional relationship, motion conditions etc. between component each under a certain particular pose,
If the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The embodiment of the present invention proposes a kind of power generation film 1, refering to Figure 1, Fig. 1 is that present invention power generation film one is implemented
The structural schematic diagram of example.
The power generation film 1 includes anode layer 10, negative electrode layer 30 and piezo-electric electret thin film 20, wherein piezo-electric electret is thin
Film 20 is located between anode layer 10 and negative electrode layer 30.
Wherein, the piezo-electric electret thin film 20 includes the more composite fibres 21 in random network distribution, described compound
Fiber 21 includes electret fiber and the zinc-oxide film for being coated on the electret fiber periphery.
It should be noted that electret is a kind of with the polarized solid dielectric of persistence, polarization phenomena are not with outer
Electric field is removed and is completely disappeared, and polarization charge can be invariably present in its surface and inside.Electret has volume charge characteristic, i.e.,
Its charge is different from triboelectrification, had both appeared in electret surface, and had existed in inside it.Separately it should be noted that piezoelectricity
Effect refer to certain dielectrics when being deformed in a certain direction by the effect of external force, inside can generate polarization phenomena,
There is positive and negative opposite charge on its two apparent surfaces simultaneously, after external force is removed, it can be restored to uncharged again
State.The crystal that piezoelectric effect can be generated then is known as piezo-electric crystal.
The coupling that technical solution of the present invention is based on above two electricity generating principle proposes a kind of power generation film 1.It should
The film 1 that generates electricity includes anode layer 10, negative electrode layer 30 and piezo-electric electret thin film 20.The piezo-electric electret thin film 20 includes more
In the composite fibre 21 that random network is distributed, the composite fibre 21 includes electret fiber and is coated on the electret fiber
The zinc-oxide film of periphery.Wherein, electret fiber can keep certain charge for a long time after high voltage polarization, when more
Opposite variation, the induced electricity of the upper and lower surface of constituted film occurs in the spatial position of the electret fiber of random network distribution
Lotus can also occur accordingly to change；And zinc-oxide film is deformed as the piezoelectrics of piezoelectric effect are provided by external force
When, inside can generate polarization phenomena, while occurring positive and negative opposite charge on opposing surfaces thereof.Therefore, when additional effect
When power causes power generation film 1 that mechanical deformation occurs, zinc oxide/electret composite fibre 21 spatial position of random network structure
Change therewith and fiber between can also squeeze, to generate very big induced voltage and induced current, and pass through
Positive and negative anodes realize efficient power output.The power generation film 1 is applied to wearable device, can be realized and carries out to wearable device
Long-term continual power supply.
Further, anode layer 10 and negative electrode layer 30 are attached respectively to the two sides of piezo-electric electret thin film 20, anode layer
10 and negative electrode layer 30 are metal layer.
Further, the electret fiber includes polypropylene fibre, polycarbonate, polytetrafluoroethylene fibre, gathers
Any one in perfluoroethylenepropylene fiber, polyethylene fiber peacekeeping polyester fiber.It should be noted that the electret fiber
Refer to that the fiber of positive and negative charge can be kept for a long time by having been subjected to high voltage polarization processing.
Further, the radius of the electret fiber is 500nm-20 μm.
Further, zinc-oxide film with a thickness of 10nm-50nm.In embodiments of the present invention, electron beam steaming can be used
The modes such as hair, magnetron sputtering coat upper zinc-oxide film in electret fiber periphery.
The present invention also provides a kind of wearable device, which includes power generation film 1, and generate electricity the specific of film 1
Structure please refers to above-described embodiment.Since wearable device uses whole technical solutions of above-mentioned all embodiments, until
All beneficial effects brought by technical solution with above-described embodiment less, this is no longer going to repeat them.It is appreciated that this can
Wearable device can be smartwatch, Intelligent bracelet, pedometer and wrist strap motion tracker etc..
Further, the wearable device further includes energy-storage units, and the energy-storage units are electrically connected with the power generation film 1
It connects.It is appreciated that the electric energy that the power generation film 1 exports can be collected and be stored to the energy-storage units, for wearable device
It is powered.It should be noted that in other embodiments, no setting is required in wearable device energy-storage units generate electricity thin
Film 1 directly can directly be powered wearable device.
Below in conjunction with specific embodiment, the morphosis and chemical property of power generation film 1 are illustrated.
It is thin in the periphery coating zinc oxide of polypropylene fibre using polypropylene fibre as electret fiber in the present embodiment
Film forms zinc oxide/polypropylene (PP) composite fibre, and being distributed more composite fibres in random network, to form piezo-electric electret thin
Film is then respectively coated metal layer as anode layer and negative electrode layer in the two sides of piezo-electric electret thin film, ultimately forms oxidation
Zinc/polypropylene composite materials fiber power generation film.
It please refers to shown in Fig. 2 and Fig. 3, Fig. 2 and Fig. 3 are zinc oxide/polypropylene (PP) composite fibre power generation in the present invention
The SEM of film schemes.By SEM figure, it can be seen that, the composite fibre of more different sizes is interlaced, in random network point
Cloth forms multiple-void structure.It is appreciated that the power generation film of multiple-void structure is prone to space deformation, it is fine to be conducive to electret
The charge inducing of dimension changes；And it is easy to happen extruding between criss-cross fiber and fiber, produces zinc-oxide film
Raw polarization phenomena, while occurring positive and negative opposite charge on opposing surfaces thereof, to realize that piezoelectricity/electret reinforcing effect is thin
Film power generation.
It please refers to shown in Fig. 4, Fig. 4 is polypropylene (PP) fiber and zinc oxide/polypropylene (PP) composite fibre power generation film
XRD diagram.Being compared by the diffraction maximum to polypropylene (PP) fiber and zinc oxide/polypropylene (PP) composite fibre can be into
One step proves that polypropylene (PP) fiber and zinc oxide/polypropylene (PP) composite fibre are successfully prepared.
It please refers to shown in Fig. 5, Fig. 5 is 21 film of zinc oxide/polypropylene (PP) composite fibre of the present invention and polypropylene (PP)
The voltage curve of fiber membrane compares.By Fig. 5 it can be found that zinc oxide/polypropylene of the present invention (PP) composite fiber thin film it is defeated
Voltage is significantly stronger than the polypropylene (PP) fiber membrane out.
It please refers to shown in Fig. 6, Fig. 6 is 21 film of zinc oxide/polypropylene (PP) composite fibre of the present invention and polypropylene (PP)
The current curve of fiber membrane compares.By Fig. 6 it can be found that zinc oxide/polypropylene of the present invention (PP) composite fiber thin film it is defeated
Electric current is significantly stronger than the polypropylene (PP) fiber membrane out.
The present embodiment proposes a kind of zinc oxide/polypropylene (PP) composite fiber thin film power generation film, wherein polypropylene (PP)
Fiber can keep certain charge, Duo Gencheng random network point as electret fiber for a long time after high voltage polarization
When opposite variation occurs for the spatial position of the electret fiber of cloth, the charge inducing of film upper and lower surface can also occur accordingly to change
Become；And zinc-oxide film as provide piezoelectric effect piezoelectrics, when being deformed by external force, inside can generate pole
Change phenomenon, while occurring positive and negative opposite charge on opposing surfaces thereof.Therefore, when applied external force causes zinc oxide/poly- third
When mechanical deformation occurs for alkene (PP) composite fiber thin film, the sky of zinc oxide/polypropylene (PP) composite fibre of random network structure
Between position change therewith and fiber between can also squeeze, to generate very big induced voltage and induced current,
And efficient power output is realized by positive and negative anodes.The power generation film is applied to wearable device, can be realized and sets to wearable
It is standby to carry out long-term continual power supply.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (7)
1. a kind of power generation film characterized by comprising
Anode layer；
Negative electrode layer；
Piezo-electric electret thin film, the piezo-electric electret thin film are located between the anode layer and the negative electrode layer, the pressure
Electroelectret film includes the more composite fibres in random network distribution, and the composite fibre includes electret fiber and cladding
Zinc-oxide film in the electret fiber periphery.
2. power generation film as described in claim 1, which is characterized in that the anode layer and the negative electrode layer are attached respectively to institute
The two sides of piezo-electric electret thin film are stated, the anode layer and the negative electrode layer are metal layer.
3. power generation film as described in claim 1, which is characterized in that the electret fiber includes polypropylene fibre, poly- carbon
Acid esters fiber, polytetrafluoroethylene fibre, fluorinated ethylene propylene fiber, any one in polyethylene fiber peacekeeping polyester fiber.
4. power generation film as described in claim 1, which is characterized in that the radius of the electret fiber is 500nm-20
μm。
5. as described in claim 1 power generation film, which is characterized in that the zinc-oxide film with a thickness of 10nm-50nm.
6. a kind of wearable device, which is characterized in that including the power generation film as described in any one of claim 1 to 5.
7. wearable device as claimed in claim 6, which is characterized in that the wearable device further includes energy-storage units, institute
Energy-storage units are stated to be electrically connected with the power generation film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162799.7A CN109786543A (en) | 2019-03-04 | 2019-03-04 | Generate electricity film and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162799.7A CN109786543A (en) | 2019-03-04 | 2019-03-04 | Generate electricity film and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109786543A true CN109786543A (en) | 2019-05-21 |
Family
ID=66486267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910162799.7A Pending CN109786543A (en) | 2019-03-04 | 2019-03-04 | Generate electricity film and wearable device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109786543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840394A (en) * | 2019-10-14 | 2020-02-28 | 中国地质大学（武汉） | Self-energy-collecting power generation and energy storage type woven elastic socks |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531706A (en) * | 2013-10-22 | 2014-01-22 | 深圳市豪恩声学股份有限公司 | Piezoelectric electret material and preparation method thereof |
| US20140134418A1 (en) * | 2012-11-14 | 2014-05-15 | National Taiwan University | Forming a piezoelectric membrane |
| CN108063183A (en) * | 2017-11-30 | 2018-05-22 | 西安交通大学 | A kind of method that closing porous piezoelectric electret energy accumulator is prepared based on nano impression |
| WO2018104244A1 (en) * | 2016-12-05 | 2018-06-14 | Chambre De Commerce Et D'industrie De Region Paris Ile De France (Esiee Paris) | Electrostatic transducer for kinetic energy harvesting or mechanical sensing |
| CN209401652U (en) * | 2019-03-04 | 2019-09-17 | 深圳市柔纬联科技有限公司 | Generate electricity film and wearable device |
-
2019
- 2019-03-04 CN CN201910162799.7A patent/CN109786543A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140134418A1 (en) * | 2012-11-14 | 2014-05-15 | National Taiwan University | Forming a piezoelectric membrane |
| CN103531706A (en) * | 2013-10-22 | 2014-01-22 | 深圳市豪恩声学股份有限公司 | Piezoelectric electret material and preparation method thereof |
| WO2018104244A1 (en) * | 2016-12-05 | 2018-06-14 | Chambre De Commerce Et D'industrie De Region Paris Ile De France (Esiee Paris) | Electrostatic transducer for kinetic energy harvesting or mechanical sensing |
| CN108063183A (en) * | 2017-11-30 | 2018-05-22 | 西安交通大学 | A kind of method that closing porous piezoelectric electret energy accumulator is prepared based on nano impression |
| CN209401652U (en) * | 2019-03-04 | 2019-09-17 | 深圳市柔纬联科技有限公司 | Generate electricity film and wearable device |
Non-Patent Citations (1)
| Title |
|---|
| 曲喜新: "《薄膜物理》", 31 October 1986, 上海科学技术出版社, pages: 177 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840394A (en) * | 2019-10-14 | 2020-02-28 | 中国地质大学（武汉） | Self-energy-collecting power generation and energy storage type woven elastic socks |
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