CN110299566A - A kind of bendable battery - Google Patents
A kind of bendable battery Download PDFInfo
- Publication number
- CN110299566A CN110299566A CN201910564484.5A CN201910564484A CN110299566A CN 110299566 A CN110299566 A CN 110299566A CN 201910564484 A CN201910564484 A CN 201910564484A CN 110299566 A CN110299566 A CN 110299566A
- Authority
- CN
- China
- Prior art keywords
- battery
- bendable
- battery core
- shell
- negative electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to a kind of bendable battery, the bendable battery, including shell, the bendable battery further includes multiple battery cores and afflux unit, the multiple battery core is arranged at intervals in the shell, and the afflux unit is set in the shell, to be electrically connected the multiple battery core.Bendable battery provided by the invention, above-mentioned bendable battery is electrically connected to using multiple small battery cores replaces single big battery core together, to be not easy to puncture the isolation film in the case where realizing the flexible of the bendable battery.
Description
Technical field
The present invention relates to battery technology field, especially a kind of bendable battery.
Background technique
In recent years with Organic Light Emitting Diode (OrganicLight-EmittingDiode, OLED) technology gradually at
Ripe, bendable electronic product becomes design consideration, and the demand of bendable battery occurs.Referring to Fig. 1, a kind of existing lithium is poly-
Closing the bendable battery 200 of object is to stack gradually positive plate 62, negative electrode tab 64 with isolation film 66 to be wound into a battery core 60 and place
In in bendable battery case 70.However, being coated with since isolation film 66 is very thin, and in the positive plate 62, negative electrode tab 64
Therefore granular electrode material is easy the breakdown isolation film 66, causes described flexible when bending the bendable battery 200
Formula battery 200 catches fire.
Summary of the invention
The purpose of the present invention is to provide a kind of bendable batteries, to solve above-mentioned technical problem.
The technical solution of the application are as follows: a kind of bendable battery, including shell, the bendable battery further includes more
A battery core and afflux unit, the multiple battery core are arranged at intervals in the shell, and the afflux unit is set to the shell
It is interior, to be electrically connected the multiple battery core.
Preferably, the multiple battery core spacing side by side setting, the shell can along the multiple battery core orientation it is curved
It is bent.
Preferably, each battery core includes positive plate, negative electrode tab and isolation film, each battery core be by the positive plate,
Negative electrode tab and isolation film wind the rolled body to be formed, the isolation film be arranged at intervals at the positive plate and the negative electrode tab it
Between.
Preferably, the afflux unit includes anode collection piece and negative pole currect collecting piece, the anode collection piece and described negative
Pole flow collection sheet is set to the end of the battery core, and the anode collection piece is used for will be all or part of in the bendable battery
The positive plate of the battery core is connected together, and the negative pole currect collecting piece is used for institute all or part of in the bendable battery
The negative electrode tab for stating battery core is connected together.
Preferably, the bendable battery further includes support construction, and the support construction is multiple cooperation battery core sides
The entirety for the stable structure that the hollow cylinder of face shape is formed side by side, for being isolated and positioning the multiple battery core.
Preferably, the bendable battery further includes wrap film, and the wrap film is used for the multiple battery core, the collection
Stream unit and support construction are integrally bundled together and are placed in the shell again.
Preferably, the positive plate is to be coated with the aluminium foil of cobalt acid lithium or manganese lithium from copolymer, and the negative electrode tab is to apply
It is furnished with the copper foil of graphite charcoal, the isolation film is that selectivity penetrates film.
Preferably, the wrap film includes trilaminate material, and one layer near the battery core is polypropylene, when being used for hot pressing
It fused can seal, centre is aluminium layer, and for completely cutting off air, one layer farthest away from the battery core is nylon, is used for waterproof.
Preferably, the bendable battery further includes conducting wire, cathode output end and cathode output end, the positive plate and negative
Tab, tab electrical connection corresponding with the anode collection piece or negative pole currect collecting piece, by institute are equipped on the end of pole piece
After stating the conducting wire anode collection piece in series or in parallel and negative pole currect collecting piece, output to the cathode output end and cathode are exported
End.
Preferably, the shell, the afflux unit and the support construction all have certain flexible.
Bendable battery provided by the invention, above-mentioned bendable battery is electrically connected to using multiple small battery cores replaces list together
A big battery core, to be not easy to puncture the isolation film in the case where realizing the flexible of the bendable battery.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing bendable battery.
Fig. 2 is the schematic diagram of bendable one preferred embodiment of battery of the present invention.
Fig. 3 is the schematic diagram of the bendable another embodiment of battery of the present invention.
Schematic diagram when Fig. 4 is the bending of bendable battery shown in Fig. 2.
Fig. 5 is the schematic diagram of the bendable another embodiment of battery of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 2, a preferred embodiment of the present invention provides a kind of bendable battery 100.The bendable battery 100 can
It is applied on curved product.The bendable battery 100 includes shell 10, multiple battery cores 20 and afflux unit 30.Institute
Stating shell 10 is the shell with certain flexible, to cooperate the bendable battery 100 to carry out a degree of bending.Institute
Shell 10 is stated for accommodating the multiple battery core 20 and the afflux unit 30.The multiple interval of battery core 20 is placed in described outer
In shell 10.Preferably, the multiple 20 spacing side by side of battery core setting.Correspondingly, the shell 10 can be along the multiple battery core 20
Orientation bending, and cannot be bent along the axial direction of the multiple battery core 20.
In the present embodiment, each battery core 20 includes positive plate 22, negative electrode tab 24 and isolation film 26.Wherein, the anode
Piece 22 is to be coated with the aluminium foil of cobalt acid lithium or manganese lithium from copolymer.The negative electrode tab 24 is the copper foil for being coated with graphite charcoal.Institute
State isolation film 26 allows lithium ion to pass through for selectivity through film, such as only, and electronics cannot pass through.The thickness of the isolation film 26
For 15 microns.
In the present embodiment, the positive plate 22, negative electrode tab 24 and isolation film 26 are the sheet body of strip.Each battery core
20 be to wind the rolled body formed by the positive plate 22, negative electrode tab 24 and isolation film 26, and the isolation film 26 is arranged at intervals at
Between the positive plate 22 and the negative electrode tab 24, to electrically isolate the positive plate 22 and the negative electrode tab 24.One embodiment
In, the winding processing procedure of the battery core 20 are as follows: by described 26, the one layers of negative electrode tab of isolation film of one layer of 22, one layers of positive plate
24 and after another layer isolation film 26 stack gradually, it is wound since one end and becomes a rolled body, so that the anode
There is the isolation film 26 between piece 22 and the negative electrode tab 24.Wherein, the circle number that the battery core 20 is wound is regarded to described flexible
Depending on 100 energy requirement of formula battery, the energy of the more big bendable battery 100 of the circle number of winding is bigger, but the electricity
The volume of core 20 also increases with it.It is also not suitable for being made into flexible bendable battery if the volume of the battery core 20 is excessive, thus it is described
The circle number that battery core 20 is wound will not only meet energy requirement, but also be suitble to be made into flexible bendable battery.
It is electrically connected it is appreciated that can be realized by afflux unit 30 between the multiple battery core 20, and by power output.
For example, the multiple battery core 20 can be serially connected, in parallel or series and parallel while be applied, specific electric connection mode can basis
Depending on the specific requirements of the bendable battery 100.In general, be serially connected between the multiple battery core 20 can provide it is larger
Voltage, and parallel with one another between the multiple battery core 20 can provide biggish electric current.
The afflux unit 30 includes anode collection piece 32 and negative pole currect collecting piece 34.The anode collection piece 32 and cathode collection
Flow 34 is the conductive sheet with certain bendability.The anode collection piece 32 and the negative pole currect collecting piece 34 are set to the electricity
The end of core 20.The anode collection piece 32 is used for the battery core 20 all or part of in the bendable battery 100
Positive plate 22 is connected together.The negative pole currect collecting piece 34 is used for will be all or part of described in the bendable battery 100
The negative electrode tab 24 of battery core 20 is connected together.In the present embodiment, the multiple battery core 20 is mutual by the afflux unit 30
It is in parallel.The positive plate 22 of the battery core 20 whole in the bendable battery 100 is connected to one by the anode collection piece 32
It rises.The negative electrode tab 24 of the battery core 20 whole in the bendable battery 100 is connected together by the negative pole currect collecting piece 34.
Referring to Fig. 3, in another embodiment, the positive plate 22 and negative electrode tab 24 of the battery core 20 include tab 25.
The tab 25 is stretched out by the end of the corresponding battery core 20, and corresponding with the anode collection piece 32 or negative pole currect collecting piece 34
Electrical connection.The bendable battery 100 further includes cathode output end 27, cathode output end 28, at least a battery core group 80 and conducting wire
90.The cathode output end 27 and cathode output end 28 are set to 10 side of shell, for exporting the bendable battery
100 electric energy.The battery core group 80 includes the multiple battery core 20.The multiple battery core 20 by the anode collection piece 32 and
Negative pole currect collecting piece 34 is parallel with one another at a battery core group 80.By the conducting wire 90 and the anode collection piece 32 and negative pole currect collecting
Piece 34 connects, so will an at least battery core group 80 it is in series or in parallel in together, finally exporting to the cathode output end
27 or cathode output end 28.
Referring to Fig. 4, in use, the shell 10 is sent out when the bendable battery 100 is bent under the effect of external force
Between the multiple battery core 20 relative displacement occurs for raw deformation due to being intervally installed between the multiple battery core 20
And then the spacing between changing, to cooperate the deformation of the shell 10.In this way, the multiple battery core 20 itself is not
Having that deformation occurs, i.e., the positive plate 22 of described each battery core 20, deformation occurs for the negative electrode tab 24, such as is bent,
Only the cooperation of afflux unit 30 bends, in this way, the isolation film 26 will not be pierced through, and then effectively avoids the battery core 20
Kindling.
Referring to Fig. 5, it is appreciated that the bendable battery 100 can also further comprise support construction 40.The support
Structure 40 is the entirety for the stable structure that the hollow cylinder of multiple cooperation 20 side views of battery core is formed side by side, is used for
It is isolated and positions the multiple battery core 20, to avoid the multiple 20 deviation of battery core.The multiple battery core 20 is placed in described
In the hollow cylinder of support construction 40, then the support construction 40 is placed in the shell 10.The support construction 40
Outer surface is bonded with the shell 10.The support construction 40 is made of flexible insulating material, such as foam or isolation film, such as
This, one conveniently can isolate and position the battery core 20, on the other hand can be bent with the shell 10 without to the battery core
20 generate extruding energetically.
In another embodiment, the bendable battery 100 can also further comprise wrap film 50.The wrap film 50 will
The multiple battery core 20, the afflux unit 30 and whole be bundled together of support construction 40 are placed in again in the shell 10.
In the present embodiment, the wrap film 50 includes trilaminate material, and one layer near the battery core 20 is polypropylene, is used for hot pressing
When can fuse sealing.It is aluminium layer among the wrap film 50, for completely cutting off air.The wrap film 50 is farthest away from the battery core 20
One layer be nylon, be used for waterproof.
Obviously, above-mentioned bendable battery 100 is electrically connected to using multiple small battery cores replaces single big battery core together, so as to
It realizes the flexible of the bendable battery 100, and the battery core 20 is not caused to be caught fire.
It should be noted that it can be directly in another yuan when an element referred to as " is electrically connected " another element
On part or there may also be elements placed in the middle.When an element is considered as " electrical connection " another element, it, which can be, is connect
Touching connection, for example, it may be the mode of conducting wire connection, is also possible to contactless connection, for example, it may be contactless coupling
Mode.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, and the present invention can have respectively
Kind change and variation.It should all be included in the protection scope of the present invention all within the spirits and principles of the present invention.
Claims (10)
1. a kind of bendable battery, including shell, it is characterised in that: the bendable battery further includes multiple battery cores and afflux list
Member, the multiple battery core are arranged at intervals in the shell, and the afflux unit is set in the shell, to be electrically connected
State multiple battery cores.
2. bendable battery according to claim 1, which is characterized in that the multiple battery core spacing side by side setting, it is described
Shell can be bent along the orientation of the multiple battery core.
3. bendable battery according to claim 1, which is characterized in that each battery core include positive plate, negative electrode tab and every
From film, each battery core is that the rolled body formed is wound by the positive plate, negative electrode tab and isolation film, the isolation film interval
It is set between the positive plate and the negative electrode tab.
4. bendable battery according to claim 3, which is characterized in that the afflux unit includes anode collection piece and bears
Pole flow collection sheet, the anode collection piece and the negative pole currect collecting piece are set to the end of the battery core, and the anode collection piece is used
It is connected together in by the positive plate of the battery core all or part of in the bendable battery, the negative pole currect collecting piece is used for
The negative electrode tab of the battery core all or part of in the bendable battery is connected together.
5. bendable battery according to claim 4, which is characterized in that the bendable battery further includes support construction,
The support construction is the entirety for the stable structure that the hollow cylinder of multiple cooperation battery core side views is formed side by side,
For being isolated and positioning the multiple battery core.
6. bendable battery according to claim 5, which is characterized in that the bendable battery further includes wrap film, institute
Wrap film is stated to be placed in again outside described for the multiple battery core, the afflux unit and support construction to be integrally bundled together
In shell.
7. bendable battery according to claim 6, which is characterized in that the positive plate is to be coated with cobalt acid lithium or manganese
Aluminium foil of the lithium from copolymer, the negative electrode tab are the copper foil for being coated with graphite charcoal, and the isolation film is that selectivity penetrates film.
8. bendable battery according to claim 7, which is characterized in that the wrap film includes trilaminate material, near
One layer of the battery core is polypropylene, sealing can be fused when for hot pressing, centre is aluminium layer, for completely cutting off air, farthest away from institute
One layer of battery core is stated as nylon, is used for waterproof.
9. bendable battery according to claim 4, which is characterized in that the bendable battery further includes conducting wire, anode
Tab is equipped on the end of output end and cathode output end, the positive plate and negative electrode tab, the tab and the anode collect
Flow or the corresponding electrical connection of negative pole currect collecting piece, by the conducting wire anode collection piece in series or in parallel and negative pole currect collecting piece
Afterwards, it exports to the cathode output end and cathode output end.
10. bendable battery according to claim 8, which is characterized in that the shell, the afflux unit and the branch
Support structure all has certain flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564484.5A CN110299566A (en) | 2019-06-27 | 2019-06-27 | A kind of bendable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564484.5A CN110299566A (en) | 2019-06-27 | 2019-06-27 | A kind of bendable battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110299566A true CN110299566A (en) | 2019-10-01 |
Family
ID=68029064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564484.5A Withdrawn CN110299566A (en) | 2019-06-27 | 2019-06-27 | A kind of bendable battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110299566A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745627A (en) * | 2020-05-27 | 2021-12-03 | 松山湖材料实验室 | Flexible battery, folding battery core and manufacturing method thereof |
| CN114256500A (en) * | 2021-12-01 | 2022-03-29 | 中国电子科技南湖研究院 | Band-shaped flexible solid-state battery capable of being cut |
-
2019
- 2019-06-27 CN CN201910564484.5A patent/CN110299566A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745627A (en) * | 2020-05-27 | 2021-12-03 | 松山湖材料实验室 | Flexible battery, folding battery core and manufacturing method thereof |
| CN114256500A (en) * | 2021-12-01 | 2022-03-29 | 中国电子科技南湖研究院 | Band-shaped flexible solid-state battery capable of being cut |
| CN114256500B (en) * | 2021-12-01 | 2024-03-15 | 中国电子科技南湖研究院 | Strip-shaped flexible solid-state battery capable of being cut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191001 |
|
| WW01 | Invention patent application withdrawn after publication |