CN109449505A - A kind of aseptate flexible battery - Google Patents
A kind of aseptate flexible battery Download PDFInfo
- Publication number
- CN109449505A CN109449505A CN201811226864.XA CN201811226864A CN109449505A CN 109449505 A CN109449505 A CN 109449505A CN 201811226864 A CN201811226864 A CN 201811226864A CN 109449505 A CN109449505 A CN 109449505A
- Authority
- CN
- China
- Prior art keywords
- thin films
- aseptate
- positive
- conductive metal
- electricity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/38—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention relates to a kind of aseptate flexible batteries.The aseptate flexible battery includes flexible insulation substrate, two conductive metal layers, positive electricity very thin films, negative electricity very thin films, electrolyte, packaging plastic and external circuit；Described two conductive metal layers are located at the flexible insulation substrate surface, and are not in contact with each other；There are potential difference between the positive electricity very thin films and negative electricity very thin films, described two conductive metal layer surfaces are located at, and be not in contact with each other；The electrolyte is coated on around the positive electricity very thin films, negative electricity very thin films and two conductive metal layers, and is filled in the gap between the positive electricity very thin films and negative electricity very thin films and between two conductive metal layers；The packaging plastic is coated on the electrolyte periphery；The external circuit is electrically connected with described two conductive metal layers.The present invention has the feature that structure is simple, cost is relatively low, highly-safe, has good application prospect in field of batteries.
Description
Technical field
The present invention relates to field of batteries more particularly to a kind of aseptate flexible batteries.
Background technique
Conventional lithium ion battery is referred to as " rocking chair type battery ", is mainly made of anode, cathode, diaphragm and electrolyte, just
Pole material is the compound containing lithium, and cathode is usually a kind of material of layer structure, and electrolyte is also containing lithium.Charging process
In, the lithium ion of positive electrode shallow-layer is deviate from from lattice, is inserted into the bedding void of cathode under electric field action；It discharged
Cheng Zhong, the spontaneous abjection of lithium ion in cathode, returns in positive electrode.Conventional lithium ion battery realizes charge and discharge, and one will be just
There must be potential difference between negative electrode material, two will have electric field, in addition, to have diaphragm in conventional lithium ion battery structure, to
Separate the positive and negative anodes of battery, prevent the two poles of the earth contact and it is short-circuit.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of aseptate flexible batteries, are using without having to worry about battery
Short circuit caused by positive and negative anodes touching realizes cell flexible so as to remove the diaphragm in conventional batteries in journey.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of aseptate flexible battery, including flexible exhausted
Edge substrate, two conductive metal layers, positive electricity very thin films, negative electricity very thin films, electrolyte, packaging plastic and external circuit；It is described two to lead
Metal layer is located at the flexible insulation substrate surface, and is not in contact with each other；The positive electricity very thin films and negative electricity very thin films it
Between there are potential difference, be located at described two conductive metal layer surfaces, and be not in contact with each other；The electrolyte is coated on described
Around positive electricity very thin films, negative electricity very thin films and two conductive metal layers, and it is filled in the positive electricity very thin films and negative electricity is very thin
Gap between film and between two conductive metal layers；The packaging plastic is coated on the electrolyte periphery；The external circuit
It is electrically connected with described two conductive metal layers.
Charge-discharge principle of the invention is: when charging, under the electric current driving in conductive metal layer, being located at positive electricity very thin films
Ion in internal and electrolyte is migrated along current direction to negative electricity very thin films, until negative electricity very thin films can not accommodate again from
Son, charging finishes at this time；When electric discharge, since there are concentration differences and potential difference for positive and negative electrode film, so that ion is spontaneously from negative
Electrode film abjection diffuses in electrolyte and positive electricity very thin films, until the ion concentration phase in positive and negative electrode film and electrolyte
Deng discharge off at this time.
Compared with the existing technology, the present invention is designed in structure using flattening, allows battery of the invention each
In the case where kind bending, without having to worry about short circuit caused by battery in use positive and negative anodes touching, passed so as to remove
Membrane layer in system battery, and then realize cell flexible.The present invention has that structure is simple, and cost is relatively low, highly-safe spy
Point is expected to have good application prospect in field of batteries.
Further, the external circuit includes charge and discharge switching switch, power switch, power supply and electrical appliance, the charge and discharge
It includes charging shift and electric discharge shelves that cutting, which changes switch,；When charge and discharge switching switch is located at charging shift and power switch closure
When, described two conductive metal layers connect to form charge circuit with power supply；When the charge and discharge switching switch be located at electric discharge shelves and
When the power switch disconnects, described two conductive metal layers connect to form discharge loop with electrical appliance.
Further, the positive and negative electrode film is respectively two kinds of films that ion can be injected.
Further, the ion is hydrogen ion, lithium ion, sodium ion or potassium ion.
Further, the electrolyte be containing with ion of the same race in the positive and negative electrode film liquid electrolyte or
Gelinite electrolyte.
Further, the thickness of the positive and negative electrode film is 180~220nm.
Further, the area of the positive and negative electrode film is 0.8~1.2cm2。
Further, the distance between described positive and negative electrode film is 0.8~1.2cm.
Further, the positive electrode thin-film material is cobalt acid lithium or LiFePO4；The negative electrode thin-film material is lithium
Piece, silicon wafer, graphene or graphite flake.
Further, the flexible insulation substrate is silica gel or plastics.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the aseptate flexible battery of embodiment.
Fig. 2 is the short circuit current and the corresponding relationship of time of the aseptate flexible battery of embodiment.
Fig. 3 is the open-circuit voltage and the corresponding relationship of time of the aseptate flexible battery of embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other
Between do not constitute conflict and can be combined with each other.
Referring to Fig. 1, its structural schematic diagram for the aseptate flexible battery of the present embodiment.The aseptate flexibility
Battery includes 10, two conductive metal layers 20 of flexible insulation substrate, positive electricity very thin films 31, negative electricity very thin films 32, electrolyte 40, envelope
Fill glue 50 and external circuit 60.
Described two conductive metal layers 20 are located at 10 surface of flexible insulation substrate, and are not in contact with each other.This implementation
In example, described two conductive metal layers 20 are set to the two sides on 10 surface of flexible insulation substrate side by side, form one between the two
The gap of set a distance.The flexible insulation substrate can be silica gel or plastics.
There are potential differences between the positive electricity very thin films 31 and negative electricity very thin films 32, are located at described two conductive golds
Belong to 20 surface of layer, and is not in contact with each other.In the present embodiment, positive electricity very thin films 31 and negative electricity very thin films 32 are covered each by a conduction
20 surface of metal layer, and the area of positive electricity very thin films 31 and negative electricity very thin films 32 is no more than the area of conductive metal layer 20, thus
Also the gap of certain distance is formed between the positive electricity very thin films 31 and negative electricity very thin films 32.Preferably, the positive electricity very thin films
31 and the thickness of negative electricity very thin films 32 be 180~220nm, area be 0.8~1.2cm2, distance between the two is 0.8
~1.2cm.The positive electricity very thin films 31 and negative electricity very thin films 32 are respectively two kinds of thin-film materials that ion can be injected, it is described from
Son can be hydrogen ion, lithium ion, sodium ion or potassium ion.
The electrolyte 40 is coated on the week of the positive electricity very thin films 31, negative electricity very thin films 32 and two conductive metal layers 20
It encloses, and is filled in the gap between the positive electricity very thin films 31 and negative electricity very thin films 32 and between two conductive metal layers 20.
In the present embodiment, the electrolyte 40 is to contain the liquid with ion of the same race in the positive electricity very thin films 31 and negative electricity very thin films 32
Electrolyte or gelinite electrolyte.
The packaging plastic 50 is coated on 40 periphery of electrolyte.In the present embodiment, the packaging plastic can for silica gel or
Plastics.
The external circuit 60 is electrically connected with described two conductive metal layers 20.In the present embodiment, the external circuit 60 includes
Charge and discharge switch switch 61, power switch 62, power supply 63 and electrical appliance 64, and the both ends of the charge and discharge switching switch 61 lead to respectively
It crosses conducting wire to be electrically connected with two conductive metal layers 20, the charge and discharge switching switch includes charging shift 61a and electric discharge shelves 61b；When
When the charge and discharge switching switch 61 is located at charging shift 61a and the closure of the power switch 62, described two conductive metal layers 20
It connects to form charge circuit with power supply 63；When charge and discharge switching switch 61 is located at electric discharge shelves 61b and the power switch 62
When disconnection, described two conductive metal layers 20 connect to form discharge loop with electrical appliance 64.In addition, working as no current in charging
When flowing through the charge and discharge switching switch 61, the charge and discharge switching switch 61 disconnects automatically, to keep electricity not leak electricity.
The power switch 62 charges for battery, and disconnects automatically when fully charged, prevents from overcharging, and protects battery.
The course of work of the aseptate flexible battery of the present embodiment includes charging process and discharge process, specific as follows:
(1) charging process: switching to charging shift 61a for charge and discharge switching switch 61, while power switch 62 being closed, from
And electric current is generated in two conductive metal layers 20, under the action of electric current, in 31 inside of positive electricity very thin films and electrolyte 40
Ion is migrated along current direction to negative electricity very thin films 32, until negative electricity very thin films 32 can not accommodate ion again, is filled at this time
Electricity finishes, and charge and discharge switch switch 61 and disconnect automatically, and then power switch 62 is disconnected again.
(2) discharge process: charge and discharge switching switch 61 is switched into electric discharge shelves 61b, is electrically connected with electrical appliance 64, due to just
There are concentration differences and potential difference for electrode film 31 and negative electricity very thin films 32, so that ion is spontaneously deviate from from negative electricity very thin films 32,
It diffuses in electrolyte 40 and positive electricity very thin films 31；At the same time, electronics is migrated from external circuit, generates electric current for electrical appliance 64
Work, until positive electricity very thin films 31, negative electricity very thin films 32 are equal with the ion concentration in electrolyte 40, battery capacity consumes at this time
To the greatest extent.
In the present embodiment, the thickness of positive electricity very thin films and negative electricity very thin films is 200nm, size 1cm2, two
The distance between electrode film is 1cm.In order to intuitively understand technical effect of the invention, use ammeter directly measure nothing every
Electric current and voltage change in the discharge process of the flexible battery of film.It is shorted battery using ammeter to discharge, and every one
The voltage and current output size of section time detection battery.Fig. 2 and Fig. 3 are please referred to, is respectively the short circuit electricity in discharge process
The corresponding relationship of stream, open-circuit voltage and time.In entire discharge process, electric current is up to 80 μ A, and as the time increases,
Short circuit current gradually decreases, and electric current is reduced to 20 μ A or so after 300 seconds；Equally during discharge, measured open-circuit voltage is most
A height of 0.62V, as the time increases, open-circuit voltage was gradually decreased, and voltage is reduced to 0.45V or so after 50 seconds, at subsequent 30 seconds
Interior, cell voltage is in stable state, and there is no variations.Above-mentioned test result sufficiently demonstrates the present invention from principle, skill
It is able to achieve the basic function and technical effect as energy battery in art, possesses broad application prospect in new energy field.
Compared with the existing technology, the present invention is designed in structure using flattening, allows battery of the invention each
In the case where kind bending, without having to worry about short circuit caused by battery in use positive and negative anodes touching, passed so as to remove
Membrane layer in system battery, and then realize cell flexible.The present invention has that structure is simple, and cost is relatively low, highly-safe spy
Point is expected to have good application prospect in field of batteries.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (10)
1. a kind of aseptate flexible battery, which is characterized in that including flexible insulation substrate, two conductive metal layers, positive electrodes
Film, negative electricity very thin films, electrolyte, packaging plastic and external circuit；Described two conductive metal layers are located at the flexible insulation
Substrate surface, and be not in contact with each other；There are potential differences between the positive electricity very thin films and negative electricity very thin films, are located at described two
A conductive metal layer surface, and be not in contact with each other；The electrolyte is coated on the positive electricity very thin films, negative electricity very thin films and two lead
Around metal layer, and it is filled between the positive electricity very thin films and negative electricity very thin films and between two conductive metal layers
Gap；The packaging plastic is coated on the electrolyte periphery；The external circuit is electrically connected with described two conductive metal layers.
2. aseptate flexible battery according to claim 1, which is characterized in that the external circuit includes charge and discharge switching
Switch, power switch, power supply and electrical appliance, the charge and discharge switching switch include charging shift and electric discharge shelves；When the charge and discharge
When switching switch is located at charging shift and power switch closure, described two conductive metal layers connect to be formed with power supply and charge back
Road；When charge and discharge switching, which switchs, is located at electric discharge shelves and power switch disconnection, described two conductive metal layers and use
Electric appliance connects to form discharge loop.
3. aseptate flexible battery according to claim 1 or 2, which is characterized in that the positive and negative electrode film difference
The film of ion can be injected for two kinds.
4. aseptate flexible battery according to claim 3, which is characterized in that the ion be hydrogen ion, lithium ion,
Sodium ion or potassium ion.
5. aseptate flexible battery according to claim 4, which is characterized in that the electrolyte be containing with it is described
The liquid electrolyte or gelinite electrolyte of ion of the same race in positive and negative electrode film.
6. aseptate flexible battery according to claim 1, which is characterized in that the thickness of the positive and negative electrode film
It is 180~220nm.
7. aseptate flexible battery according to claim 1, which is characterized in that the area of the positive and negative electrode film
It is 0.8~1.2cm2。
8. aseptate flexible battery according to claim 1, which is characterized in that between the positive and negative electrode film
Distance is 0.8~1.2cm.
9. aseptate flexible battery according to claim 1, which is characterized in that the positive electrode thin-film material is cobalt acid
Lithium or LiFePO4；The negative electrode thin-film material is lithium piece, silicon wafer, graphene or graphite flake.
10. aseptate flexible battery according to claim 1, which is characterized in that the flexible insulation substrate is silica gel
Or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226864.XA CN109449505A (en) | 2018-10-22 | 2018-10-22 | A kind of aseptate flexible battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226864.XA CN109449505A (en) | 2018-10-22 | 2018-10-22 | A kind of aseptate flexible battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109449505A true CN109449505A (en) | 2019-03-08 |
Family
ID=65548342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811226864.XA Pending CN109449505A (en) | 2018-10-22 | 2018-10-22 | A kind of aseptate flexible battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808405A (en) * | 2019-11-15 | 2020-02-18 | 五邑大学 | Lithium battery based on interdigital electrode structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2166609A1 (en) * | 2008-09-16 | 2010-03-24 | Commissariat a L'Energie Atomique | Lithium micro-battery comprising an encapsulating layer and method of manufacturing the same |
| CN102301520A (en) * | 2009-02-03 | 2011-12-28 | 索尼公司 | Solid state thin film lithium ion secondary battery and manufacturing method therefor |
| CN104836267A (en) * | 2014-07-28 | 2015-08-12 | 北汽福田汽车股份有限公司 | Charging/discharging control circuit |
| CN107534183A (en) * | 2016-01-15 | 2018-01-02 | 萨拉隆有限公司 | Thin battery and its manufacture method |
-
2018
- 2018-10-22 CN CN201811226864.XA patent/CN109449505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2166609A1 (en) * | 2008-09-16 | 2010-03-24 | Commissariat a L'Energie Atomique | Lithium micro-battery comprising an encapsulating layer and method of manufacturing the same |
| CN102301520A (en) * | 2009-02-03 | 2011-12-28 | 索尼公司 | Solid state thin film lithium ion secondary battery and manufacturing method therefor |
| CN104836267A (en) * | 2014-07-28 | 2015-08-12 | 北汽福田汽车股份有限公司 | Charging/discharging control circuit |
| CN107534183A (en) * | 2016-01-15 | 2018-01-02 | 萨拉隆有限公司 | Thin battery and its manufacture method |
Non-Patent Citations (1)
| Title |
|---|
| 吴勇民等: "全固态薄膜锂电池研究进展", 《储能科学与技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808405A (en) * | 2019-11-15 | 2020-02-18 | 五邑大学 | Lithium battery based on interdigital electrode structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Han et al. | Durable, flexible self-standing hydrogel electrolytes enabling high-safety rechargeable solid-state zinc metal batteries | |
| CN103915262B (en) | The method of the pre- embedding lithium of lithium-ion capacitor negative pole | |
| Kim et al. | The effect of solvent component on the discharge performance of lithium–sulfur cell containing various organic electrolytes | |
| CN105977526A (en) | Rechargeable aluminum carbon battery and preparation method thereof | |
| CN109326834B (en) | High-temperature molten salt battery | |
| TWI606627B (en) | Metal-ion battery | |
| CN104577191A (en) | Polymer lithium-ion battery and preparation method thereof | |
| CN108400298B (en) | Method for preparing graphene-loaded antimony nanotube negative electrode material for sodium ion battery and application of graphene-loaded antimony nanotube negative electrode material | |
| WO2019093654A1 (en) | Method for charging battery and device for charging battery | |
| WO2023024404A1 (en) | Lithium-ion battery pre-lithiation method and lithium-ion battery | |
| CN103560280B (en) | The chemical synthesizing method of lithium ion battery | |
| CN109449505A (en) | A kind of aseptate flexible battery | |
| CN206259436U (en) | Bipolar plates combination electrode, battery unit and battery bag | |
| US10141612B2 (en) | Rechargeable battery with control circuit | |
| CN112242572A (en) | Voltage boosting method for cathode and shell of lithium ion battery with square aluminum shell | |
| CN110299508A (en) | A kind of 3D graphite alkylene carbon anode full battery and preparation method thereof | |
| CN109411834A (en) | A kind of diffusion battery based on concentration difference | |
| US10476103B2 (en) | Electrode containing silicon and copolymer having ionic ally conductive polymer and electrically conductive polymer, and battery cell using same | |
| CN207883808U (en) | A kind of high multiplying power lithium ion battery | |
| WO2020082205A1 (en) | Battery without separator | |
| CN207504127U (en) | A kind of three terminal field effect mode lead-acid accumulators | |
| CN106129406B (en) | A kind of photovoltaic energy storage lithium ion battery | |
| CN209515836U (en) | A kind of battery of side output | |
| Dai et al. | Study of influence of lead foam as negative electrode current collector material on VRLA battery charge performance | |
| CN111063945B (en) | Battery core, battery and preparation method of battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |