CN208352457U - A kind of arc lithium battery - Google Patents
A kind of arc lithium battery Download PDFInfo
- Publication number
- CN208352457U CN208352457U CN201820907412.7U CN201820907412U CN208352457U CN 208352457 U CN208352457 U CN 208352457U CN 201820907412 U CN201820907412 U CN 201820907412U CN 208352457 U CN208352457 U CN 208352457U
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- Prior art keywords
- diaphragm
- hardened layer
- negative electrode
- battery
- positive plate
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- 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
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- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of arc lithium battery, the aluminum-plastic composite membrane including battery core, the package battery core；The battery core includes: diaphragm, is separately positioned on positive plate, the negative electrode tab of the diaphragm two sides, the hardened layer between the diaphragm and positive plate between the diaphragm and negative electrode tab is arranged in；The hardened layer has through-hole.The utility model between diaphragm and positive plate and diaphragm and negative electrode tab by being added one layer of hardened layer with through-hole, the shape of arc battery can be kept after hardened layer hardening, diaphragm can be connect by hardened layer with positive plate, negative electrode tab simultaneously, limit battery bulge, extend battery life.
Description
Technical field
The utility model relates to technical field of lithium batteries more particularly to a kind of arc lithium batteries.
Background technique
Existing arc poly-lithium battery uses the design of conventional ordinary liquid electrolyte Soft Roll poly-lithium battery:
Porous PP, PE, PP/PE diaphragm are used between positive plate and negative electrode tab, are adsorbed with liquid electrolyte wherein.In post-production
Cheng Zhong, using hot press and shaping dies, battery being hot pressed into the arc of design can keep after cooling and in the short time
Arc, but extension at any time, arc battery is under stress of expanding with heat and contract with cold, and gradually rebounding, it is original straight to be returned to
State.And when lithium battery charge and discharge, electrochemical reaction occurs for electrolyte and positive and negative electrode sheet material, generates bubble, and
Battery case is aluminum-plastic composite membrane flexible packing material, and without rigid, consequence is, battery gas rises bulge, and thickness quickly increases
Greatly, the internal resistance of cell rises, and capacity decline, life time decay, final battery can not normal use.
Therefore, the prior art is defective, needs to improve.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of arc lithium battery, arc battery is made to be always maintained at arc
Shape state, while battery bulge is avoided, promote battery life.
The technical solution of the utility model is as follows: providing a kind of arc lithium battery, the aluminium including battery core, the package battery core
Mould composite membrane；The battery core includes: diaphragm, is separately positioned on positive plate, the negative electrode tab of the diaphragm two sides, setting it is described every
Hardened layer between film and positive plate and/or between the diaphragm and negative electrode tab；The hardened layer has through-hole.The hardened layer
For bonding positive plate and diaphragm and/or bonding negative electrode tab and diaphragm, and hardens and form arc.In one of diaphragm or two tables
One layer of hardened layer is arranged in face, and two surfaces that a piece of positive plate and a piece of negative electrode tab are wrapped in hardened layer are made by up- coiler
Battery roll core is fitted into aluminum-plastic composite membrane bag, is then injected into appropriate electrolyte, finally by liquid injection port hot-press sealing.Lithium battery is complete
After chemical synthesis technology, lithium battery is put into arcuate die, hot pressing is carried out in hot-press equipment, in temperature appropriate, pressure
Under the conditions of power, hardened layer hardening forms arc lithium battery, and the diaphragm and positive plate and/or the diaphragm and negative electrode tab
It bonds together, it can finite limitation battery bulge.Using the hardened layer with through-hole, guarantee that the transmission of lithium ion is unaffected.
Further, the hardened layer is arranged between the diaphragm and positive plate between the diaphragm and negative electrode tab.
Further, the hardened layer is reticular structure or lattice structure.
Further, the hardened layer is prepreg or Kynoar or polyethylene or polytetrafluoroethylene (PTFE).Using net
When the hardened layer of shape structure, hardened layer is the netted Kynoar or poly- of netted prepreg or spray coating on diaphragm
Ethylene or polytetrafluorethylecoatings coatings；Using lattice structure hardened layer when, hardened layer is the lattice structure being sprayed on diaphragm
Kynoar or polyethylene or polytetrafluorethylecoatings coatings.
Using the above scheme, the utility model provides a kind of arc lithium battery, by diaphragm and positive plate and diaphragm with
One layer of hardened layer with through-hole is added between negative electrode tab, the shape of arc lithium battery can be kept after hardened layer hardening, together
When hardened layer diaphragm can be connect with positive plate, negative electrode tab, limit battery bulge, extend battery life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery core in the utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to Fig. 1, the utility model provides a kind of arc lithium battery, the plastic-aluminum including battery core, the package battery core is multiple
Close film；The battery core includes: diaphragm 10, is separately positioned on positive plate 20, the negative electrode tab 30 of 10 two sides of diaphragm, is arranged in institute
State the hardened layer 40 between diaphragm 10 and positive plate 20 between the diaphragm 10 and negative electrode tab 30；The hardened layer 40 has logical
Hole 50.The hardened layer 40 hardens for bonding positive plate 20 and diaphragm 10 and bonding negative electrode tab 30 and diaphragm 10 and forms arc
Shape.One layer of hardened layer 40 is set on two surfaces of diaphragm 10, a piece of positive plate 20 and a piece of negative electrode tab 30 are wrapped in hardening
Battery roll core is made by up- coiler in two surfaces of layer 40, is fitted into aluminum-plastic composite membrane bag, is then injected into appropriate electrolyte, most
Afterwards by liquid injection port hot-press sealing.After lithium battery completes chemical synthesis technology, lithium battery is put into arcuate die, in hot-press equipment
Middle carry out hot pressing, under temperature appropriate, pressure condition, hardened layer 40 is hardened, and forms arc lithium battery, and the diaphragm 10
It bonds together with positive plate 20 and the diaphragm 10 with negative electrode tab 30, it can finite limitation battery bulge.Using with through-hole 50
Hardened layer, guarantee that the transmission of lithium ion is unaffected.
In the present embodiment, the hardened layer 40 is reticular structure.
In the present embodiment, the hardened layer 40 is prepreg.
In conclusion the utility model provides a kind of arc lithium battery, by diaphragm and positive plate and diaphragm and cathode
One layer of hardened layer with through-hole is added between piece, the shape of arc lithium battery can be kept after hardened layer hardening, while hard
Changing layer can connect diaphragm with positive plate, negative electrode tab, limit battery bulge, extend battery life.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (4)
1. a kind of arc lithium battery, the aluminum-plastic composite membrane including battery core, the package battery core；It is characterized in that, the battery core packet
Include: diaphragm is separately positioned on positive plate, the negative electrode tab of the diaphragm two sides, be arranged between the diaphragm and positive plate and/or
Hardened layer between the diaphragm and negative electrode tab；The hardened layer has through-hole.
2. a kind of arc lithium battery according to claim 1, which is characterized in that hardened layer setting the diaphragm with
Between positive plate between the diaphragm and negative electrode tab.
3. a kind of arc lithium battery according to claim 1, which is characterized in that the hardened layer is reticular structure or dot matrix
Structure.
4. a kind of arc lithium battery according to claim 1, which is characterized in that the hardened layer is prepreg or gathers inclined
Vinyl fluoride or polyethylene or polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907412.7U CN208352457U (en) | 2018-06-12 | 2018-06-12 | A kind of arc lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907412.7U CN208352457U (en) | 2018-06-12 | 2018-06-12 | A kind of arc lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352457U true CN208352457U (en) | 2019-01-08 |
Family
ID=64883437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820907412.7U Active CN208352457U (en) | 2018-06-12 | 2018-06-12 | A kind of arc lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600057A (en) * | 2020-05-15 | 2020-08-28 | 郑州仿弦新材料科技有限公司 | Composite material structure battery with curved surface structure and preparation method and application thereof |
| WO2023000290A1 (en) * | 2021-07-23 | 2023-01-26 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and electric device |
-
2018
- 2018-06-12 CN CN201820907412.7U patent/CN208352457U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600057A (en) * | 2020-05-15 | 2020-08-28 | 郑州仿弦新材料科技有限公司 | Composite material structure battery with curved surface structure and preparation method and application thereof |
| CN111600057B (en) * | 2020-05-15 | 2021-10-29 | 郑州仿弦新材料科技有限公司 | Composite material structure battery with curved surface structure and preparation method and application thereof |
| WO2023000290A1 (en) * | 2021-07-23 | 2023-01-26 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and electric device |
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