CN206849920U - The electrokinetic cell of new-energy automobile - Google Patents
The electrokinetic cell of new-energy automobile Download PDFInfo
- Publication number
- CN206849920U CN206849920U CN201720804703.9U CN201720804703U CN206849920U CN 206849920 U CN206849920 U CN 206849920U CN 201720804703 U CN201720804703 U CN 201720804703U CN 206849920 U CN206849920 U CN 206849920U
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- China
- Prior art keywords
- soft
- battery
- electrokinetic cell
- new
- insulation
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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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Abstract
The utility model discloses a kind of electrokinetic cell of new-energy automobile, including shell, the multiple soft-package batteries being arranged in shell and the insulation imbibition pad being arranged between two neighboring soft-package battery, soft-package battery includes heat-sealing film and the single battery core being encapsulated in heat-sealing film.The electrokinetic cell of new-energy automobile of the present utility model, the Volume Changes demand of battery pole piece can be met, and can facilitates as duricrust battery carries out module assembled, the characteristic of existing soft-package battery long-life, there is the advantages of die-filling group of duricrust battery pack is easy again, it is safe；And load shell after soft pack cell combo, greatly improve the uniformity of electrokinetic cell；The optional scope of liquid absorbed in insulation imbibition pad is wide, and the design for battery management is favourable.
Description
Technical field
The utility model belongs to technical field of lithium ion, specifically, the utility model is related to a kind of new energy vapour
The electrokinetic cell of car.
Background technology
With increasing of the countries in the world to new-energy automobile promotion efficiency, at 2025 to the year two thousand thirty progressively forbid fuel oil
Car is sold, and the technological progress of electrokinetic cell receives the attention of height.In various electrokinetic cells, lithium ion battery with it far away
Leading energy density, become the main flow selection of electrokinetic cell.The electrokinetic cell of prior art, mainly there are three types, circle
Column type, square duricrust and soft-package battery.In electrokinetic cell single battery core charge and discharge process, anode pole piece and cathode pole piece all exist
Dilation, and along with the crushing of active material particle, the lasting growth of pole piece SEI films.With tertiary cathode material and
Exemplified by graphite cathode material, in battery charging and discharging circulation, the thickness change of positive pole is in 12-18%, and negative pole may be then up to
25-30%.So big Volume Changes, it can not accomplish to eliminate its negative effect in the cylindrical battery tightly wound,
The cycle life for being most significantly exactly battery is difficult to accomplish to be more than 1000 times.In square duricrust battery, it will also result in outside battery
Shell bulging, it can still influence the raising of the performances such as the life-span of battery.Although soft-package battery can allow the change of volume freer,
But if the buffering of Soft Roll electrokinetic cell is done badly, the Volume Changes that may result in battery pole piece are limited, if Soft Roll moves
The fixation of power battery is done badly, and will be damaged in vibration processes, both are difficult satisfactory to both parties.The electrokinetic cell of bulging, it is most of
Gross distortion occurs in situation bottom crown, does not only exist electrokinetic cell system Problem of Failure, battery short circuit also be present, this is right
It is breakneck for user.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries
For a kind of electrokinetic cell of new-energy automobile, it is therefore an objective to improve security.
To achieve these goals, the technical scheme that the utility model is taken is：The electrokinetic cell of new-energy automobile, including
Shell, the multiple soft-package batteries being arranged in shell and the insulation imbibition pad being arranged between two neighboring soft-package battery are soft
Bag battery includes heat-sealing film and the single battery core being encapsulated in heat-sealing film.
The material of the insulation imbibition pad is EVA.
The material of the insulation imbibition pad is porous elastomers.
The material of the insulation imbibition pad is non-spinning cloth.
The material of the insulation imbibition pad is sponge.
The material of the shell is metal or plastics.
The soft-package battery sets four, sets an insulation imbibition pad between two neighboring soft-package battery respectively
Piece.
The thickness of the insulation imbibition pad is 1mm.
The electrokinetic cell of new-energy automobile of the present utility model, the Volume Changes demand of battery pole piece, and can be met
Facilitate as duricrust battery and carry out module assembled, the characteristic of existing soft-package battery long-life, there is die-filling group of duricrust battery pack again
It is the advantages of easy, safe；And load shell after soft pack cell combo, greatly improve the uniformity of electrokinetic cell；Insulation
The optional scope of liquid absorbed in imbibition pad is wide, and the design for battery management is favourable.
Brief description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structural representation of soft-package battery；
Fig. 2 is the schematic cross-section of heat-sealing film；
Fig. 3 is the structural representation of insulation imbibition pad；
Fig. 4 is the structural representation of shell；
Fig. 5 is the partial sectional view of single battery core；
In figure mark for：1st, shell；2nd, single battery core；21st, positive-active layer；22nd, negative electrode active layer；23rd, barrier film；3rd, it is hot
Sealer；31st, protective layer；32nd, metal foil layer；33rd, hot pressing layer；4th, anode ear；5th, negative electrode lug；6th, copper foil；7th, aluminium foil.
Embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further detailed
Thin explanation, it is therefore an objective to help those skilled in the art have to design of the present utility model, technical scheme it is more complete, accurate and
Deep understanding, and contribute to its implementation.
As shown in Figures 1 to 4, the utility model provides a kind of electrokinetic cell of new-energy automobile, including shell 1, lid
Plate, the multiple soft-package batteries being arranged in shell 1 and the insulation imbibition pad being arranged between two neighboring soft-package battery, Soft Roll
Battery includes heat-sealing film 3 and the single battery core 2 being encapsulated in heat-sealing film 3.
As shown in figure 1, the single battery core 2 of soft-package battery be by positive-active layer 21, barrier film 23 and negative electrode active layer 22 according to
The structure that sublevel poststack is formed, mutually insulated between positive-active layer 21 and negative electrode active layer 22, single battery core 2 load heat-sealing film
In 3, electrolyte is filled with heat-sealing film 3.The material of positive-active layer 21 is ternary positive electrode active material, negative electrode active layer 22
Material is graphite base negative electrode active material.The anode ear 4 of soft-package battery is connected by copper foil 6 with single battery core 2, and negative electrode lug 5 is logical
Aluminium foil 7 is crossed to be connected with single battery core 2.
Gas and liquid in the isolated environment of heat-sealing film 3, as shown in Fig. 2 heat-sealing film 3 is lamination layer structure, and for three layers
Structure, it includes the protective layer 31, metal foil layer 32 and hot pressing layer 33 set gradually from inside to outside, and single battery core 2 is put into heat-sealing
In film 3, electrolyte is injected, is melted into post package.During encapsulation, the hot pressing layer 33 of the internal layer of heat-sealing film 3 melts and merged with single battery core 2
Together.
The imbibition pad of insulating be with certain elastic elastomer, insulation imbibition pad be arranged at two soft-package batteries it
Between, the stress that is subject to for buffering soft-package battery, soft-package battery volume can be allowed to produce change, and the imbibition pad that insulate is inhaled
The liquid of receipts is used to soft-package battery conduction heat, plays thermolysis.
Soft-package battery is preferably dimensioned to be 7*91*148mm, i.e. the length of soft-package battery is 148mm, width 91mm, thick
Spend and set for 7mm, soft-package battery inside shell 1 to stack, insulation imbibition shim clip is between two neighboring soft-package battery, absolutely
The thickness of edge imbibition pad is preferably 1mm.
The material of insulation imbibition pad is EVA, porous elastomers, non-one kind spun in cloth or sponge, preferably EVA.EVA
It is to be copolymerized by ethene (E) and vinyl acetate (VA) and be made, referred to as EVA.The characteristics of EVA is that have good flexibility, rubber
Elasticity as glue, it still is able to that there is preferable pliability at -50 DEG C, the transparency and lustrous surface are good, and chemical stability is good
Good, anti-aging and resistance to ozone intensity is good, non-toxic.
Shell 1 is one end open, the rectangular case structure of inner hollow, and the inner chamber of shell 1 is also rectangle, and cover plate is used to seal
Close the openend of shell 1.The material of shell 1 is metal or plastics, and shell 1 can be the suitable use such as aluminum hull, box hat or plastic housing
In the housing that the material for making Hard Roll battery is made.When shell 1 uses the housing of aluminium material, it is easier to radiate.Shell 1 uses steel
During the housing of matter, fire resistance is more preferable.The material of cover plate is metal or plastics.
In the present embodiment, soft-package battery sets four, sets an insulation to inhale between two neighboring soft-package battery respectively
Fluid cushion piece, insulation imbibition pad set three altogether, and the capacity of every soft-package battery is 11Ah.4 11Ah soft-package battery and 3
Insulation imbibition pad is alternately stacked, and is put into the shell 1 that inner space thickness is 31mm, encapsulation cover plate, is made 44Ah's
Electrokinetic cell.
The utility model is exemplarily described above in association with accompanying drawing.Obviously, the utility model implements not
Limited by aforesaid way.As long as employ the various unsubstantialities that methodology and technical scheme of the present utility model are carried out
Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at this
Within the protection domain of utility model.
Claims (8)
1. the electrokinetic cell of new-energy automobile, it is characterised in that：Including shell, the multiple soft-package batteries being arranged in shell and set
The insulation imbibition pad being placed between two neighboring soft-package battery, soft-package battery include heat-sealing film and the list being encapsulated in heat-sealing film
Body battery core.
2. the electrokinetic cell of new-energy automobile according to claim 1, it is characterised in that：The material of the insulation imbibition pad
Matter is EVA.
3. the electrokinetic cell of new-energy automobile according to claim 1, it is characterised in that：The material of the insulation imbibition pad
Matter is porous elastomers.
4. the electrokinetic cell of new-energy automobile according to claim 1, it is characterised in that：The material of the insulation imbibition pad
Matter is non-spinning cloth.
5. the electrokinetic cell of new-energy automobile according to claim 1, it is characterised in that：The material of the insulation imbibition pad
Matter is sponge.
6. the electrokinetic cell of new-energy automobile according to any one of claims 1 to 5, it is characterised in that：The material of the shell
Matter is metal or plastics.
7. the electrokinetic cell of new-energy automobile according to any one of claims 1 to 5, it is characterised in that：The soft-package battery
Four are set, an insulation imbibition pad is set respectively between two neighboring soft-package battery.
8. the electrokinetic cell of new-energy automobile according to claim 7, it is characterised in that：The thickness of the insulation imbibition pad
Spend for 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804703.9U CN206849920U (en) | 2017-07-05 | 2017-07-05 | The electrokinetic cell of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804703.9U CN206849920U (en) | 2017-07-05 | 2017-07-05 | The electrokinetic cell of new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849920U true CN206849920U (en) | 2018-01-05 |
Family
ID=60803897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720804703.9U Expired - Fee Related CN206849920U (en) | 2017-07-05 | 2017-07-05 | The electrokinetic cell of new-energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195829A (en) * | 2017-07-05 | 2017-09-22 | 江西优特汽车技术有限公司 | The electrokinetic cell of new-energy automobile |
-
2017
- 2017-07-05 CN CN201720804703.9U patent/CN206849920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195829A (en) * | 2017-07-05 | 2017-09-22 | 江西优特汽车技术有限公司 | The electrokinetic cell of new-energy automobile |
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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: 20180105 Termination date: 20210705 |