CN206497958U - A kind of lamination type electric pool structure including its secondary battery and battery module - Google Patents
A kind of lamination type electric pool structure including its secondary battery and battery module Download PDFInfo
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- CN206497958U CN206497958U CN201620896676.8U CN201620896676U CN206497958U CN 206497958 U CN206497958 U CN 206497958U CN 201620896676 U CN201620896676 U CN 201620896676U CN 206497958 U CN206497958 U CN 206497958U
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- battery
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- barrier film
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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 lamination type electric pool structure, secondary battery and battery module including it, lamination type electric pool structure includes battery core, the battery core includes two layers of continous way barrier film being oppositely arranged, spaced multiple first battery units are clipped between two layers of continous way barrier film, first battery unit of two layers of continous way barrier film and folder in-between folds to form lamination type electric core with zigzag, the second battery unit is accompanied between the outside of the continous way barrier film, two pole pieces, one electrode pair of formation that second battery unit and first battery unit are mutually pressed close to；The utility model is using two layers of continous way membrane configuration, on the one hand, so that the stability of battery structure is higher, improves the cycle performance of battery, on the other hand, can improve the production preparation efficiency of battery.
Description
Technical field
The utility model is related to field of batteries, and in particular to a kind of lamination type electric pool structure including its secondary battery
And battery module.
Background technology
Today's society, mobile device fast development, demand is growing, and new-energy automobile is carried forward vigorously in addition, as
The battery industry of the mobile device energy flourishes.Thus, substantial amounts of investigation and research has been done to the various market demands.For electricity
The requirement more and more higher of pond volume energy density and gravimetric energy density, to high-performance, high stability, high security lithium ion
The demand of polymer battery and battery pack is quite high.New-energy automobile is greatly developed, power lithium-ion battery reduction manufacturing cost
Face very big challenge.It therefore, it can make a distinction the structure of battery component, there is accordion structure and laminated structure, roll up
It is to separate continuous positive plate and negative plate by seperation film to be wound around structure；And in laminated type structure, will be specific
Construction unit continuously stacked, and separated by seperation film.
But, traditional battery structure has Railway Project.First, by densely winding sheet type negative pole and sheet type
Positive pole manufactures accordion structure, and as a result battery structure is circular or oval on section.So, battery charging and put
Because stress caused by the expansion and contraction of electrode is accumulated in battery structure during electricity, and when cumulative stress exceedes particular pole
In limited time, battery structure can be deformed.The deformation of battery structure causes uneven gap between the electrodes, the cycle performance of battery
To drastically it be deteriorated, the safety of battery cannot be ensured due to the short circuit of inside battery.Secondly, by sequentially stacking multiple units
Negative pole and multiple unit positive poles manufacture the battery structure of stacked, it is necessary to which substantial amounts of time and efforts is come at execution sequence stacking
Reason, result is the process low production efficiency.So, develop it is a kind of can that structural stability is higher, preparation efficiency is higher be new
Battery structure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lamination type electric pool structure including its secondary cell
Group and battery module.
Technical solution adopted in the utility model is：
A kind of lamination type electric pool structure, including battery core, the battery core include two layers of continous way barrier film being oppositely arranged, described
Clip spaced multiple first battery units between two layers of continous way barrier film, two layers of continous way barrier film and be clipped in its it
Between first battery unit fold to form lamination type electric core with zigzag, is accompanied between the outside of the continous way barrier film
Two pole pieces, one electrode of formation that two battery units, second battery unit and first battery unit are mutually pressed close to
It is right.
In some specific embodiments, first battery unit is positive pole single pole piece, negative pole single pole piece, outer side pole
Piece is that the structure of positive pole and negative pole, outside pole piece are that the structure of positive pole, outside pole piece are any of structure of negative pole.
In the improved embodiment of such scheme, the outermost pole piece of the lamination type electric pool structure is negative plate.
In some specific embodiments, first battery unit be positive pole single pole piece, negative pole single pole piece, positive pole/
Barrier film/negative pole, negative pole/barrier film/positive pole, positive pole/barrier film/negative pole/barrier film/positive pole, negative pole/barrier film/positive pole/barrier film/negative polarity node
Any of structure.
In some specific embodiments, first battery unit is positive pole or outside pole piece is the structure of positive pole
When, second battery unit is negative pole or outside pole piece is the structure of negative pole.
In some specific embodiments, first battery unit is negative pole or outside pole piece is the structure of negative pole
When, second battery unit is positive pole or outside pole piece is the structure of positive pole.
In some specific embodiments, first battery unit is the structure that outside pole piece is positive pole and negative pole
When, second battery unit is single pole piece, outside pole piece is that the structure or outside pole piece of positive pole are the structure of negative pole.
The utility model additionally provides a kind of secondary battery, including lamination type electric pool structure as described above.
The utility model additionally provides a kind of battery module, including secondary battery as described above.
The beneficial effects of the utility model are：
All battery structures are the form by winding or folding using individual layer continous way barrier film in the market
Battery core is formed, not enough, battery structure is easily deformed battery structure stability, for this problem, the utility model provides one
Lamination type electric pool structure, including battery core are planted, the battery core includes two layers of continous way barrier film being oppositely arranged, two layers of continous way
Clip spaced multiple first battery units between barrier film, two layers of continous way barrier film and folder in-between described the
One battery unit is folded to form lamination type electric core with zigzag, and the second battery unit is accompanied between the outside of the continous way barrier film,
Two pole pieces, one electrode pair of formation that second battery unit and first battery unit are mutually pressed close to；The utility model
Using two layers of continous way membrane configuration, on the one hand, lamination type electric pool structure described in the utility model is not present battery after circulation and become
The hidden danger of shape, safer, design space is broader so that the stability of battery structure is higher, improves the cycle performance of battery, separately
On the one hand the production preparation efficiency of laminated battery plate described in the utility model can improve one to twice, that is, reduce energy consumption,
The manufacturing cost of battery is reduced, the production preparation efficiency of battery can be improved.Laminated battery plate described in the utility model
The application of structure can give technical solution for the great development of new-energy automobile industry.
Brief description of the drawings
Fig. 1 is the laminated battery plate structure chart of embodiment 1；
Fig. 2 is the structure chart before the battery structure folding of embodiment 1；
Fig. 3 is the structure chart before the battery structure folding of embodiment 2；
Fig. 4 is the laminated battery plate structure chart of embodiment 2；
Fig. 5 is the structure chart before the battery structure folding of embodiment 3；
Fig. 6 is the laminated battery plate structure chart of embodiment 3；
Fig. 7 is the structure chart before the battery structure folding of embodiment 4；
Fig. 8 is the structure chart before the battery structure folding of embodiment 5；
Fig. 9 is the laminated battery plate structure chart of embodiment 5；
Figure 10 is the structure chart before the battery structure folding of embodiment 6.
Embodiment
Embodiment 1：
Reference picture 1, Fig. 1 is the laminated battery plate structure chart of embodiment 1, and the utility model provides a kind of laminated battery plate
Structure, including battery core, the battery core include two layers of continous way barrier film 1,2 for being oppositely arranged, two layers of continous way barrier film 1,2 it
Between clip spaced multiple first battery units 3, two layers of continous way barrier film 1,2 and folder in-between described first
Battery unit 3 is folded to form lamination type electric core with zigzag, and the second electricity is accompanied between the outside of two layers of continous way barrier film 1,2
Two pole pieces, one electrode pair of formation that pool unit 4, second battery unit 4 and first battery unit 3 are mutually pressed close to.
In the present embodiment, first battery unit 3 is negative pole single pole piece, and second battery unit 4 is positive pole single pole piece, described
The outermost pole piece of lamination type electric pool structure is negative plate.The trailing end of two layers of continous way barrier film 1,2 is fixed by heating
Or fixed by glue bond.
The method for preparing above-mentioned battery structure comprises the following steps：Cutting prepares the first battery unit, then by the first electricity
Pool unit is placed in the middle of two layers of continous way barrier film by setting position interval, and then the second battery unit is placed in the company on upper strata
Above continuous formula barrier film or below the continous way barrier film of lower floor, two adjacent the second battery units are respectively arranged on the company on upper strata
Above continuous formula barrier film and below the continous way barrier film of lower floor, each first battery unit of each second battery unit correspondence is put
Put, two layers of continous way barrier film and the first battery unit being sandwiched between it are folded to form lamination type electric core with zigzag together, made
Obtain entirely full battery overlapping, and negative pole forms certain covering to positive pole.
Reference picture 2, Fig. 2 folded for the battery structure of embodiment 1 before structure chart, two layers continous way barrier film 1,2 it
Between be arranged at intervals multiple first battery units 3, the interval of the first two neighboring battery unit 3 is equal to twice of first battery units
The thickness of thickness and the second battery unit 4.Each first battery unit 3 of each second battery unit 4 correspondence is placed, and adjacent two
Individual second battery unit 4 is respectively arranged on above the continous way barrier film 1 on upper strata and below the continous way barrier film 2 of lower floor.By two
Layer continous way barrier film 1,2 and the first battery unit 3 being sandwiched between it are folded up that lamination type electric can be formed together with zigzag
Core.
Embodiment 2：
Reference picture 3-4, Fig. 3 are the structure chart before the battery structure folding of embodiment 2, and Fig. 4 is stacked for embodiment 2
Battery structure figure, the present embodiment is substantially the same manner as Example 1, and difference is：First battery unit 3 is positive pole monopole
Piece, second battery unit 4 is negative pole single pole piece.After folding, the outermost pole piece of the lamination type electric pool structure is negative pole
Piece, namely it is negative to come first to be respectively provided with a negative pole single pole piece or outside pole piece with last lower section of first battery unit 3
The structure of pole, in the present embodiment, comes first and last lower section of the first battery unit 3 is respectively provided with a negative plate 5.
Embodiment 3：
Reference picture 5, Fig. 5 is the structure chart before the battery structure folding of embodiment 3, and the present embodiment and embodiment 1 are basic
Identical, difference is：First battery unit 3 is positive pole/barrier film/negative pole structure, the even number the from second
Corresponding second battery unit 4 of one battery unit 3 is above the continous way barrier film 1 on upper strata, and the strange from the 3rd
Corresponding second battery unit 4 of several first battery units 3 is below the continous way barrier film 2 of lower floor, located at upper strata
Continous way barrier film 1 above second battery unit 4 for negative pole single pole piece or outside pole piece be negative pole structure, if
Second battery unit 4 below the continous way barrier film 1 of lower floor is positive pole single pole piece or outside pole piece is positive pole
Structure, in the present embodiment, second battery unit 4 above the continous way barrier film 1 on upper strata for negative pole/barrier film/
Positive pole/barrier film/negative pole, second battery unit 4 below the continous way barrier film 1 of lower floor is positive pole/barrier film/negative
Pole/barrier film/positive pole.Two layers of continous way barrier film 1,2 and the first battery unit 3 being sandwiched between it are rolled over upwards with zigzag together
Folded to form lamination type electric core, obtained lamination type electric pool structure is as shown in Figure 6.
Embodiment 4：
Reference picture 7, Fig. 7 is the structure chart before the battery structure folding of embodiment 4, and the present embodiment and embodiment 3 are basic
Identical, difference is：First battery unit 3 is negative pole/barrier film/anode structure, the first battery unit of even number 3
Corresponding second battery unit 4 is above the continous way barrier film 1 on upper strata, the correspondence of the first battery unit of odd number 3
Second battery unit 4 located at lower floor continous way barrier film 2 below, above the continous way barrier film 1 on upper strata
Second battery unit 4 be positive pole single pole piece or outside pole piece be positive pole structure, located at the continous way barrier film 1 of lower floor
Following second battery unit 4 is negative pole single pole piece or outside pole piece is the structure of negative pole, in the present embodiment, is located at
Second battery unit 4 above the continous way barrier film 1 on upper strata is positive pole single pole piece, located at the continous way barrier film 1 of lower floor
Below second battery unit 4 be negative pole single pole piece.
Embodiment 5：
Reference picture 8, Fig. 8 is the structure chart before the battery structure folding of embodiment 5, and the present embodiment and embodiment 2 are basic
Identical, difference is：First battery unit 3 is positive pole/barrier film/negative pole/barrier film/anode structure, second electricity
Pool unit 4 is negative pole single pole piece.Reference picture 9, Fig. 9 is the laminated battery plate structure chart of embodiment 5, two layers of continous way barrier film 1,2
And the first battery unit 3 being sandwiched between it is folded with zigzag together, you can form lamination type electric core.After folding, the lamination
The outermost pole piece of formula battery structure is negative plate, namely comes first and the lower section of last first battery unit 3 is respectively set
There is a negative plate 5.
Embodiment 6：
Reference picture 10, Figure 10 is the structure chart before the battery structure folding of embodiment 6, the present embodiment and the base of embodiment 1
This is identical, and difference is：First battery unit 3 is negative pole/barrier film/positive pole/barrier film/negative pole structure, described second
Battery unit 4 is positive pole/barrier film/negative pole/barrier film/anode structure.After folding, the outermost pole piece of the lamination type electric pool structure
For negative plate.
Claims (9)
1. a kind of lamination type electric pool structure, including battery core, it is characterised in that the battery core includes two layers of continous way being oppositely arranged
Spaced multiple first battery units, two layers of continous way barrier film are clipped between barrier film, two layers of continous way barrier film
And first battery unit of folder in-between folds to form lamination type electric core with zigzag, the outside of the continous way barrier film
Between accompany the second battery unit, two pole pieces that second battery unit and first battery unit are mutually pressed close to are formed
One electrode pair.
2. lamination type electric pool structure according to claim 1, it is characterised in that first battery unit is positive pole monopole
Piece, negative pole single pole piece, outside pole piece are that the structure of positive pole and negative pole, outside pole piece are that the structure of positive pole, outside pole piece are
Any of structure of negative pole.
3. lamination type electric pool structure according to claim 2, it is characterised in that the outermost of the lamination type electric pool structure
Pole piece is negative plate.
4. lamination type electric pool structure according to claim 2, it is characterised in that first battery unit is positive pole monopole
Piece, negative pole single pole piece, positive pole/barrier film/negative pole, negative pole/barrier film/positive pole, positive pole/barrier film/negative pole/barrier film/positive pole, negative pole/every
Any of film/positive pole/barrier film/negative pole structure.
5. lamination type electric pool structure according to claim 2, it is characterised in that first battery unit is positive pole or outer
When side pole piece is the structure of positive pole, second battery unit is negative pole or outside pole piece is the structure of negative pole.
6. lamination type electric pool structure according to claim 2, it is characterised in that first battery unit is negative pole or outer
When side pole piece is the structure of negative pole, second battery unit is positive pole or outside pole piece is the structure of positive pole.
7. lamination type electric pool structure according to claim 2, it is characterised in that first battery unit is outside pole piece
For positive pole and negative pole structure when, second battery unit be single pole piece, outside pole piece be positive pole structure or outer side pole
Piece is the structure of negative pole.
8. a kind of secondary battery, it is characterised in that including the lamination type electric pool structure as described in claim any one of 1-7.
9. a kind of battery module, it is characterised in that including secondary battery as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896676.8U CN206497958U (en) | 2016-08-17 | 2016-08-17 | A kind of lamination type electric pool structure including its secondary battery and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896676.8U CN206497958U (en) | 2016-08-17 | 2016-08-17 | A kind of lamination type electric pool structure including its secondary battery and battery module |
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| CN206497958U true CN206497958U (en) | 2017-09-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129478A (en) * | 2016-08-17 | 2016-11-16 | 惠州市豪鹏科技有限公司 | A kind of lamination type electric pool structure, the secondary battery including it and battery module |
| CN109301349A (en) * | 2018-09-12 | 2019-02-01 | 深圳市海目星激光智能装备股份有限公司 | A kind of lamination process and lamination device |
| CN110474106A (en) * | 2019-08-06 | 2019-11-19 | 东莞市超鸿自动化设备有限公司 | The manufacturing method of two-layer electrode recombiner unit turnover type battery core |
| CN111430773A (en) * | 2020-04-30 | 2020-07-17 | 蜂巢能源科技有限公司 | Method for manufacturing electrode laminated assembly, and electrode laminating apparatus |
| WO2020259693A1 (en) * | 2019-06-28 | 2020-12-30 | 蜂巢能源科技有限公司 | Lamination method used for battery cell fabrication and battery cell electrode group fabrication device |
| CN116259853A (en) * | 2023-05-11 | 2023-06-13 | 中创新航科技集团股份有限公司 | Battery cell |
-
2016
- 2016-08-17 CN CN201620896676.8U patent/CN206497958U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129478A (en) * | 2016-08-17 | 2016-11-16 | 惠州市豪鹏科技有限公司 | A kind of lamination type electric pool structure, the secondary battery including it and battery module |
| CN109301349A (en) * | 2018-09-12 | 2019-02-01 | 深圳市海目星激光智能装备股份有限公司 | A kind of lamination process and lamination device |
| WO2020259693A1 (en) * | 2019-06-28 | 2020-12-30 | 蜂巢能源科技有限公司 | Lamination method used for battery cell fabrication and battery cell electrode group fabrication device |
| CN110474106A (en) * | 2019-08-06 | 2019-11-19 | 东莞市超鸿自动化设备有限公司 | The manufacturing method of two-layer electrode recombiner unit turnover type battery core |
| CN111430773A (en) * | 2020-04-30 | 2020-07-17 | 蜂巢能源科技有限公司 | Method for manufacturing electrode laminated assembly, and electrode laminating apparatus |
| CN116259853A (en) * | 2023-05-11 | 2023-06-13 | 中创新航科技集团股份有限公司 | Battery cell |
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