CN205810978U - Flexible battery - Google Patents
Flexible battery Download PDFInfo
- Publication number
- CN205810978U CN205810978U CN201620706148.1U CN201620706148U CN205810978U CN 205810978 U CN205810978 U CN 205810978U CN 201620706148 U CN201620706148 U CN 201620706148U CN 205810978 U CN205810978 U CN 205810978U
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- CN
- China
- Prior art keywords
- negative
- positive
- battery
- coated
- plate
- Prior art date
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- 239000011258 core-shell material Substances 0.000 claims abstract description 26
- 239000007774 positive electrode material Substances 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011149 active material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
This utility model provides a kind of flexible battery, including by positive pole, negative pole and the battery core of the membrane winding of isolation both positive and negative polarity, described positive pole includes the positive plate not coated by positive electrode active materials, described negative pole includes the negative plate not coated by negative active core-shell material, described barrier film has negative active core-shell material towards the side surface-coated of negative plate, has positive electrode active materials towards the opposite side surface-coated of positive plate.This utility model is by being coated with positive electrode active materials and negative active core-shell material on barrier film, barrier film is more soft than positive plate and negative plate, makes battery core be easier to coiling and molding, is beneficially made by battery thinner, softer, be suitable to make flexible battery, be suitable to use in wearable electronic；Simultaneously, it is to avoid positive electrode active materials and negative active core-shell material break situation about coming off, thus improve the stability of battery core performance, and the ion in battery core is more smooth by effect, reduces the resistance of inside battery, improves the safety of battery.
Description
Technical field
This utility model relates to technical field of lithium batteries, particularly relates to the flexible battery that a kind of flexibility is high.
Background technology
Along with the development of science and technology, the thickness of smart mobile phone and wearable electronic does thinner and thinner, to electric for these
The requirement of the battery that subset is powered is more and more higher.At present, the battery core of lithium battery is constituted usually by being coated with positive-active
The membrane winding of the positive plate of material, the negative plate being coated with negative active core-shell material and isolation both positive and negative polarity forms, and due to positive pole
Sheet and negative plate are firmly a lot of relative to barrier film, and positive electrode active materials and negative active core-shell material are respectively coated with positive plate and negative plate
After, virtually add positive plate and the thickness of negative plate and hardness, cause battery core to be difficult to coiling and molding, also increase winding simultaneously
Thickness, is unfavorable for reducing battery integral thickness or hardness, causes battery can not make flexible flexible battery, is unsuitable for can
The electronic equipment dressed uses；And, when positive plate or negative plate crimp, the anode material of coating or negative material easily quilt
Break situation about coming off, cause the battery conductive produced to be deteriorated, cause battery to scrap, improve production cost.
Utility model content
This utility model is for the disappearance of prior art existence, it is provided that a kind of flexible battery, it can greatly reduce battery
Thickness and hardness, be beneficially made thinner, softer by battery, is suitable to use in wearable electronic.
For achieving the above object, this utility model uses such as purgation technical scheme:
A kind of flexible battery, including by positive pole, negative pole and the battery core of the membrane winding of isolation both positive and negative polarity, described positive pole
Including the positive plate not coated by positive electrode active materials, described negative pole includes the negative plate not coated by negative active core-shell material, institute
State barrier film and have negative active core-shell material towards the side surface-coated of negative plate, have positive pole towards the opposite side surface-coated of positive plate
Active material.
As a kind of preferred version, the coating thickness of described positive electrode active materials is 50-500 μm, and coated side density is 20-
400g/m2；The coating thickness of described negative active core-shell material is 50-500 μm, and coated side density is 20-400g/m2。
As a kind of preferred version, between described positive plate and barrier film, it is provided with positive pole tack coat, described negative plate and barrier film
Between be provided with negative pole tack coat.
As a kind of preferred version, described positive plate is aluminium foil.
As a kind of preferred version, described negative plate is Copper Foil.
As a kind of preferred version, described positive electrode active materials is cobalt acid lithium.
As a kind of preferred version, described negative active core-shell material is graphite.
This utility model compared with prior art has clear advantage and beneficial effect, specifically, by by positive pole
Active material and negative active core-shell material are coated with on barrier film, and barrier film is more soft than positive plate and negative plate, make battery core more hold
Easily coiling and molding, is beneficially made battery thinner, softer, is suitable to make flexible battery, is suitable in wearable electronic
Use；Meanwhile, by positive electrode active materials and negative active core-shell material are coated with on barrier film, it is to avoid positive plate and negative plate
During bending, positive electrode active materials and negative active core-shell material break situation about coming off, thus improve the stability of battery core performance, carry
High battery quality；And positive electrode active materials and negative active core-shell material are coated on barrier film the ion in battery core can be made to lead to
Cross effect more smooth, reduce the resistance of inside battery, reduce battery thermal discharge in charge and discharge process, improve electricity
The safety in pond；It addition, by positive electrode active materials and negative active core-shell material are coated with on barrier film so that negative plate with every
Film is more prone to be adhesively fixed, and improves the stability of battery structure, adds battery life.
By more clearly illustrating architectural feature of the present utility model, technological means and the specific purposes reached thereof and merit
Can, with specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings:
Accompanying drawing explanation
Fig. 1 is the battery core schematic cross-section of the embodiment of this utility model.
Accompanying drawing identifier declaration:
1, negative plate, 2, barrier film, 3, positive plate,
4, negative active core-shell material, 5, positive electrode active materials.
Detailed description of the invention
As it is shown in figure 1, a kind of flexible battery, including the electricity wound by the barrier film 2 of positive pole, negative pole and isolation both positive and negative polarity
Core, described positive pole includes the positive plate 3 not coated by positive electrode active materials, and described negative pole includes not coated by negative active core-shell material
Negative plate 1, described barrier film 2 has negative active core-shell material 4 towards the side surface-coated of negative plate 1, towards another of positive plate 3
Side surface is coated with positive electrode active materials 5.The coating thickness of described positive electrode active materials 5 is 50-500 μm, and coated side density is
20-400g/m2；The coating thickness of described negative active core-shell material 4 is 50-500 μm, and coated side density is 20-400g/m2.Described just
It is provided with positive pole tack coat between pole piece 3 and barrier film 2, between described negative plate 1 and barrier film 2, is provided with negative pole tack coat.
In this utility model, described positive plate 3 is aluminium foil, and described negative plate 1 is Copper Foil, and described positive electrode active materials 5 is
Cobalt acid lithium, described negative active core-shell material 4 is graphite.
In sum, this utility model by positive electrode active materials and negative active core-shell material are coated with on barrier film, every
Film is more soft than positive plate and negative plate, makes battery core be easier to coiling and molding, is beneficially made by battery thinner, softer, suitable
In making flexible battery, be suitable to use in wearable electronic；Meanwhile, by by positive electrode active materials and negative electrode active material
Material is coated with on barrier film, it is to avoid when positive plate and negative plate bending, positive electrode active materials and negative active core-shell material are broken and come off
Situation, thus improve the stability of battery core performance, improve battery quality；And by positive electrode active materials and negative electrode active
Material is coated on barrier film and the ion in battery core can be made more smooth by effect, reduces the resistance of inside battery, reduces
Battery thermal discharge in charge and discharge process, improves the safety of battery；It addition, by by positive electrode active materials and negative pole
Active material is coated with on barrier film so that negative plate and barrier film are more prone to be adhesively fixed, and improves stablizing of battery structure
Property, add battery life.
The above, be only preferred embodiment of the present utility model, not in order to limit this utility model, thus every
Any modification, equivalent substitution and improvement etc. made above example according to technology of the present utility model reality, all still fall within this
In the range of utility model technical scheme.
Claims (7)
1. a flexible battery, it is characterised in that: include by positive pole, negative pole and the electricity of the membrane winding of isolation both positive and negative polarity
Core, described positive pole includes the positive plate not coated by positive electrode active materials, and described negative pole includes not coated by negative active core-shell material
Negative plate, described barrier film has negative active core-shell material towards the side surface-coated of negative plate, towards the opposite side table of positive plate
Topcoating is covered with positive electrode active materials.
Flexible battery the most according to claim 1, it is characterised in that: the coating thickness of described positive electrode active materials is 50-
500 μm, coated side density is 20-400g/m2；The coating thickness of described negative active core-shell material is 50-500 μm, coated side density
For 20-400g/m2。
Flexible battery the most according to claim 2, it is characterised in that: it is provided with positive pole bonding between described positive plate and barrier film
Layer, is provided with negative pole tack coat between described negative plate and barrier film.
Flexible battery the most according to claim 1, it is characterised in that: described positive plate is aluminium foil.
A kind of flexible battery the most according to claim 1, it is characterised in that: described negative plate is Copper Foil.
Flexible battery the most according to claim 1 and 2, it is characterised in that: described positive electrode active materials is cobalt acid lithium.
Flexible battery the most according to claim 1 and 2, it is characterised in that: described negative active core-shell material is graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706148.1U CN205810978U (en) | 2016-07-05 | 2016-07-05 | Flexible battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706148.1U CN205810978U (en) | 2016-07-05 | 2016-07-05 | Flexible battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810978U true CN205810978U (en) | 2016-12-14 |
Family
ID=58140072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620706148.1U Active CN205810978U (en) | 2016-07-05 | 2016-07-05 | Flexible battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977543A (en) * | 2016-07-05 | 2016-09-28 | 东莞市卓高电子科技有限公司 | Flexible battery |
| CN108232110A (en) * | 2017-02-21 | 2018-06-29 | 深圳市格瑞普电池有限公司 | Laminated lithium ion battery and its pole piece |
-
2016
- 2016-07-05 CN CN201620706148.1U patent/CN205810978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977543A (en) * | 2016-07-05 | 2016-09-28 | 东莞市卓高电子科技有限公司 | Flexible battery |
| CN108232110A (en) * | 2017-02-21 | 2018-06-29 | 深圳市格瑞普电池有限公司 | Laminated lithium ion battery and its pole piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240322 Address after: 526000, 2nd Floor, No.2 Qiandong Road, Liantang Town, Gaoyao District, Zhaoqing City, Guangdong Province Patentee after: Guangdong Zhuo High-tech Materials Technology Co.,Ltd. Country or region after: China Address before: 523000 Dongxing Industrial Park, Kangle Road, Hengli Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ADVANCED ELECTRONIC TECH Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |