CN207517801U - A kind of polymer lithium ion battery electric core - Google Patents
A kind of polymer lithium ion battery electric core Download PDFInfo
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- CN207517801U CN207517801U CN201721730212.0U CN201721730212U CN207517801U CN 207517801 U CN207517801 U CN 207517801U CN 201721730212 U CN201721730212 U CN 201721730212U CN 207517801 U CN207517801 U CN 207517801U
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- Prior art keywords
- pole piece
- cathode
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- line
- glue
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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
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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
- 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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Abstract
The utility model discloses a kind of polymer lithium ion battery electric cores,Including plastic-aluminum packaging film,Insulation is in flakes,Anode pole piece and cathode pole piece,Insulation is fixedly mounted on the upper end of plastic-aluminum packaging film in flakes,The inner surface of plastic-aluminum packaging film is equipped with packaging conduit,Anode pole piece and cathode pole piece are installed in packaging conduit,Anode pole piece is equipped with positive pole current collections net,Cathode pole piece is equipped with cathode collection power grid,Anode pole piece is connected with anode ear,Cathode pole piece is connected with negative electrode lug,Positive pole current collections net and cathode current collection are equipped with polyolefin porous separator layer on the net,Plastic-aluminum packaging film includes anti-corrosion and separates glue-line from inside to outside,Metallic aluminum and water resisting protection glue-line,Anti-corrosion segmentation glue-line outer surface is equipped with sandy soils and high tempreture tape,The inner surface of water resisting protection glue-line is equipped with solid sodium hydroxide layer and high tempreture tape,Compact-sized sealing,It can prevent short circuit thermal and electrolyte from leaking,In addition increase leakage protection mechanism,The harmfulness of leakage can be reduced.
Description
Technical field
The utility model is related to polymer Li-ion battery field, specially a kind of polymer lithium ion battery electric core.
Background technology
Positive and negative pole material and liquid lithium ion used in polymer Li-ion battery are all identical, and positive electrode is divided into cobalt
Sour lithium, LiMn2O4, ternary material and LiFePO 4 material, cathode are graphite, and battery operation principle is also basically identical.Their master
Will be difference lies in the difference of electrolyte, liquid lithium ionic cell is using liquid electrolyte, and polymer Li-ion battery is then with solid
Polymer dielectric replaces, this polymer can be " dry state " or " colloidal state ", it is most of using poly- at present
Close object gel electrolyte.
Since with solid electrolyte, instead of liquid electrolyte, compared with liquid lithium ionic cell, polymer Li-ion is electric
Pond have many advantages, such as can thin type, arbitrary areaization and arbitrary shape, therefore can be with outside plastic-aluminum combined thin film fabrication battery
Shell, so as to improve the specific capacity of entire battery；Polymer Li-ion battery can also make positive electrode using macromolecule,
Specific energy will improve more than 20% than current liquid lithium ionic cell.Polymer Li-ion battery, which has, to be minimized, is thin
Type, light-weighted feature.
But the polymer Li-ion battery used at present, also have the following disadvantages：
（1）Polymer Li-ion battery is easy to that short-circuit conditions occur in charging process；
（2）Polymer Li-ion battery, if the charging time is long, the possibility expanded will increase, and cause to leak
Liquid and the possibility of explosion are big.
Invention content
In order to overcome the shortcomings of prior art, the utility model provides a kind of polymer lithium ion battery electric core, knot
Structure is stablized compact, and can effectively avoiding anode cathode contact, there is a situation where short circuits, and in addition efficiency of fuel cell generation is high, and it is strong to be electrolysed activity,
Increase unexpected protective layer simultaneously, the harm of polyelectrolyte accidental release can be reduced, can effectively solve the problem that background technology proposes
The problem of.
Technical solution is used by the utility model solves its technical problem：
A kind of polymer lithium ion battery electric core, including plastic-aluminum packaging film, insulation in flakes, anode pole piece and cathode pole piece,
Described insulate is fixedly mounted on the upper end of the plastic-aluminum packaging film in flakes, and the inner surface of the plastic-aluminum packaging film is equipped with collection tankage
Road, the anode pole piece and cathode pole piece are installed in the packaging conduit in the plastic-aluminum packaging film, are set on the anode pole piece
There is positive pole current collections net, the cathode pole piece is equipped with cathode collection power grid, and the anode pole piece is connected with the electric energy of anode pole piece
The anode ear of external circuit is transmitted to, the cathode pole piece is connected with the cathode that the electric energy of cathode grade piece is transmitted to external circuit
Ear, the positive pole current collections net and cathode current collection are equipped with polyolefin porous separator layer on the net；
Plastic-aluminum packaging film includes anti-corrosion and separates glue-line, metallic aluminum and water resisting protection glue-line, the anti-corrosion point from inside to outside
Layer outer surface tap rubber equipped with sandy soils, high tempreture tape, the water resisting protection glue-line are equipped between the sandy soils and metallic aluminum
Inner surface be equipped with solid sodium hydroxide layer, also be provided with high tempreture tape outside the solid sodium hydroxide layer.
Further, positive electrode active materials are coated between the positive pole current collections net and polyolefin porous separator layer, it is described
Negative electrode active material is coated between cathode collection power grid and polyolefin porous separator layer.
Further, the polyolefin porous separator layer is mounted on the opposite face of the positive pole current collections net and cathode collection power grid
On.
Further, the lower surface of the insulation in flakes is equipped with anti-dropping gasket, and the anode ear and negative electrode lug are from top to bottom
Sequentially pass through anti-dropping gasket and insulation in flakes.
Further, the insulation is adhered between anti-dropping gasket by high temperature resistant glue-line in flakes, and the insulation connects
Piece, anti-dropping gasket and plastic-aluminum packaging film are formed also by high temperature resistant glue-line secure attachment.
Compared with prior art, the beneficial effects of the utility model are：
（1）The utility model it is compact-sized, occupy little space, the mounting structure of anode pole piece and cathode pole piece is stablized,
And increase diaphragm between a positive electrode and a negative electrode, anode cathode contact can effectively be avoided in addition to be produced electricity there is a situation where short circuit
It is efficient, it is strong to be electrolysed activity；
（2）The stable structure of the utility model, space sealing can effectively prevent the leakage of polyelectrolyte, and
Increase unexpected protective layer in plastic-aluminum packaging film, the harm of polyelectrolyte accidental release can be reduced.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the aluminum-plastic packaged membrane structure diagram of the utility model；
Figure label：
1- plastic-aluminum packaging films；2- insulate in flakes；3- anode pole pieces；4- cathode pole pieces；5- packaging conduits；6- positive pole current collections
Net；7- cathode collection power grids；8- anode ears；9- negative electrode lugs；10- polyolefin porous separator layers；11- anti-dropping gaskets；12- high-temperature plastics
Layer；
101- anti-corrosions separate glue-line；102- metallic aluminums；103- water resisting protection glue-lines；104- sandy soils；105- high-temp glues
Paper；106- solid sodium hydroxide layers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the utility model provides a kind of polymer lithium ion battery electric core, including aluminum-plastic packaged
Film 1,2, anode pole piece 3 and cathode pole piece 4, the insulation 2 are fixedly mounted on the upper of the plastic-aluminum packaging film 1 in flakes in flakes for insulation
End, the inner surface of the plastic-aluminum packaging film 1 are equipped with packaging conduit 5, and the anode pole piece 3 and cathode pole piece 4 are installed in described
Packaging conduit 5 in plastic-aluminum packaging film 1, it is described insulation in flakes 2 effect be that anode pole piece 3 and cathode pole piece 4 is isolated, prevent
The device situation for the short circuit explosion that is connected is generated, improves safety in utilization, packaging conduit 5 plays fixed anode pole piece 3 and cathode pole piece 4
Effect, prevent when in use, 4 short circuit thermal of anode pole piece 3 and cathode pole piece, improve the stability of structure, extension makes
With the service life, short circuit is avoided.
It should be added that the materials'use of anode pole piece 3 is conducting high polymers object or general lithium ion
Inorganic compound used in battery, for cathode pole piece 4 often using lithium metal or lithium carbon intercalation compound, electrolyte is using solid-state
Either colloidal condition macromolecule electrolyte or organic electrolyte.
The anode pole piece 3 be equipped with positive pole current collections net 6, the cathode pole piece 4 be equipped with cathode collection power grid 7, it is described just
Pole pole piece 3 is connected with the anode ear 8 that the electric energy of anode pole piece 3 is transmitted to external circuit, and the cathode pole piece 4 is connected with will be negative
The electric energy of pole grade piece 4 is transmitted to the negative electrode lug 9 of external circuit, the insulation in flakes 2 lower surface be equipped with anti-dropping gasket 11, it is described
Anode ear 8 and negative electrode lug 9 sequentially pass through anti-dropping gasket 11 and insulation in flakes 2, the positive pole current collections net 6 and cathode collection from top to bottom
Polyolefin porous separator layer 10 is equipped on power grid 7, is coated between the positive pole current collections net 6 and polyolefin porous separator layer 10
Positive electrode active materials are coated with negative electrode active material, anode collection between the cathode collection power grid 7 and polyolefin porous separator layer 10
The effect of power grid 6 and cathode collection power grid 7 is to improve the contact area of positive and negative anodes and electrolytic ion, and efficiency of fuel cell generation is high, while anode
Active material and negative electrode active material are the activity for enhancing electrolytic ion so that electrolysis activity is strong.
It should be added that positive electrode active materials and negative electrode active material refer to inhibit in anode pole piece 3 and cathode
The Surface Creation Product Films of grade piece 4, the material that positive and negative anodes is hindered to be reacted, such as lead, tribute, platinum etc. substance.
6 generally use aluminium wire of positive pole current collections net is wrapped in the outside of anode pole piece 3,7 generally use copper wire of cathode collection power grid
It is wrapped in the outside of cathode pole piece 4.
Polyolefin porous separator layer 10 has small relative density, chemical resistance, water-tolerant；Good machinery is strong
Degree, electrical insulating property, excellent mechanical property, chemical stability and it is relatively inexpensive the characteristics of the features such as, polyolefin porous separator layer
10 effect separates battery plus-negative plate, prevents the two poles of the earth direct short-circuit.
Plastic-aluminum packaging film 1 includes anti-corrosion and separates glue-line 101, metallic aluminum 102 and water resisting protection glue-line 103 from inside to outside,
101 outer surface of anti-corrosion segmentation glue-line is equipped with sandy soils 104, and the sandy soils 104 are externally provided with high tempreture tape 105, it is described every
The inner surface of water conservation glue-line 103 is equipped with solid sodium hydroxide layer 106, and high temperature also is provided with outside the solid sodium hydroxide layer 106
Gummed paper 105, during by electrolyte accidental release, sandy soils 104 can absorb electrolyte, prevent from carrying out corrosion work to metallic aluminum 102
With, reduce electrolyte leakage situation, in addition solid sodium hydroxide layer 106 can absorb electrolyte leakage generate gas, a side
Face prevents air pollution, on the other hand also reduces battery core air pressure inside, prevents the situation of explosion.
As preferred embodiment, the polyolefin porous separator layer 10 is mounted on the positive pole current collections net 6 and cathode
On the opposite face for collecting power grid 7.
As preferred embodiment, the insulation is adhered between 2 and anti-dropping gasket 11 by high temperature resistant glue-line 12 in flakes
It forms, the insulation is in flakes 2, anti-dropping gasket 11 forms with plastic-aluminum packaging film 1 also by 12 secure attachment of high temperature resistant glue-line.
It further illustrates, between anti-corrosion segmentation glue-line 101, sandy soils 104, high tempreture tape 105 and metallic aluminum 102
The phenomenon that being fixedly mounted for closed seamless, preventing sandy soils 104 from generating accumulation, metallic aluminum 102 and solid sodium hydroxide layer
106th, high tempreture tape 105 and water resisting protection glue-line 103 are also to be tightly fastened seamless arrangement mounting means, while water resisting protection glue-line
103 isolation moisture prevent metallic aluminium frangible by external environment oxidation, and anti-corrosion segmentation glue-line 101, which rises, to be sealed and prevent electrolyte
Corrode the effect of aluminium layer.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of polymer lithium ion battery electric core, including plastic-aluminum packaging film（1）, insulation in flakes（2）, anode pole piece（3）With it is negative
Pole pole piece（4）, it is characterised in that：The insulation is in flakes（2）It is fixedly mounted on the plastic-aluminum packaging film（1）Upper end, the aluminium
Mould packaging film（1）Inner surface be equipped with packaging conduit（5）, the anode pole piece（3）And cathode pole piece（4）It is installed in the aluminium
Mould packaging film（1）Interior packaging conduit（5）, the anode pole piece（3）It is equipped with positive pole current collections net（6）, the cathode pole piece（4）
It is equipped with cathode collection power grid（7）, the anode pole piece（3）It is connected with anode pole piece（3）Electric energy be transmitted to external circuit
Anode ear（8）, the cathode pole piece（4）It is connected with cathode pole piece（4）Electric energy be transmitted to the negative electrode lug of external circuit（9）,
The positive pole current collections net（6）With cathode collection power grid（7）On be equipped with polyolefin porous separator layer（10）；
Plastic-aluminum packaging film（1）Include anti-corrosion from inside to outside and separate glue-line（101）, metallic aluminum（102）With water resisting protection glue-line
（103）, the anti-corrosion separation glue-line（101）Outer surface is equipped with sandy soils（104）, the sandy soils（104）It is externally provided with high-temp glue
Paper（105）, the water resisting protection glue-line（103）Inner surface be equipped with solid sodium hydroxide layer（106）, the solid sodium hydroxide
Layer（106）It also is provided with high tempreture tape outside（105）.
2. a kind of polymer lithium ion battery electric core according to claim 1, it is characterised in that：The positive pole current collections net
（6）With polyolefin porous separator layer（10）Between be coated with positive electrode active materials, the cathode collection power grid（7）And polyolefin porous
Membrane layer（10）Between be coated with negative electrode active material.
3. a kind of polymer lithium ion battery electric core according to claim 1, it is characterised in that：The polyolefin porous every
Film layer（10）Mounted on the positive pole current collections net（6）With cathode collection power grid（7）Opposite face on.
4. a kind of polymer lithium ion battery electric core according to claim 1, it is characterised in that：The insulation is in flakes（2）
Lower surface be equipped with anti-dropping gasket（11）, the anode ear（8）And negative electrode lug（9）Anti-dropping gasket is sequentially passed through from top to bottom（11）
With insulation in flakes（2）.
5. a kind of polymer lithium ion battery electric core according to claim 1, it is characterised in that：The insulation is in flakes（2）
With anti-dropping gasket（11）Between pass through high temperature resistant glue-line（12）It adheres to, the insulation is in flakes（2）, anti-dropping gasket（11）With aluminium
Mould packaging film（1）Also by high temperature resistant glue-line（12）Secure attachment forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730212.0U CN207517801U (en) | 2017-12-13 | 2017-12-13 | A kind of polymer lithium ion battery electric core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730212.0U CN207517801U (en) | 2017-12-13 | 2017-12-13 | A kind of polymer lithium ion battery electric core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517801U true CN207517801U (en) | 2018-06-19 |
Family
ID=62544256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721730212.0U Expired - Fee Related CN207517801U (en) | 2017-12-13 | 2017-12-13 | A kind of polymer lithium ion battery electric core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517801U (en) |
-
2017
- 2017-12-13 CN CN201721730212.0U patent/CN207517801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20191213 |