CN107171017A - One kind winding laminated battery - Google Patents
One kind winding laminated battery Download PDFInfo
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- CN107171017A CN107171017A CN201710558778.8A CN201710558778A CN107171017A CN 107171017 A CN107171017 A CN 107171017A CN 201710558778 A CN201710558778 A CN 201710558778A CN 107171017 A CN107171017 A CN 107171017A
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- winding
- barrier film
- pole
- structure unit
- negative pole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Laminated battery is wound the invention discloses one kind, including battery core, battery core is formed by winding-structure element stack, winding-structure unit includes horizontally disposed barrier film, anode pole piece, cathode pole piece, anode pole piece, cathode pole piece is arranged at intervals by barrier film respectively, overall winding forms winding-structure unit, windings enclose for 0.5*N, wherein N is positive integer, the winding-structure unit of formation is any part intercepted that negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole is alternately present in repeat unit, battery pole group is formed after multiple winding-structure element stacks, the both sides of battery pole group septation separation are anode pole piece, cathode pole piece is relative to form battery pair, outermost layer is barrier film in battery pole group, secondary outer layer is cathode pole piece.It is an advantage of the invention that without circular arc area, saving material, loss is low, and circulation expansion is uniform, and preparation efficiency is high, and electrolyte is evenly distributed, and structural stability is good.
Description
Technical field
The present invention relates to a kind of battery, more particularly to a kind of winding-laminated battery.
Background technology
Nowadays use explosive growth of the lithium ion battery on electric tool, electrokinetic cell cost, production efficiency and
Long term life and uniformity urgently rapidly break through, so the research to battery module structure is the most important thing.Present battery component
Structure has takeup type, stacked, bag formula, stacks the-structure such as collapsible：Takeup type structure is by continuous positive plate and negative pole
Piece is separated by seperation film and is wound；And in laminated structure, specific construction unit is continuously stacked, and lead to
Seperation film is crossed to separate；Pouched case processed is that first negative pole bag is loaded in diaphragm bag, the structure then stacked in layer；
Stacking-accordion structure first makes the construction unit of stacking, then folds and forms core strueture.
Takeup type, stacked, bag formula, stacking-folding electric pool structure respectively have following good and bad point：(1) wind
Formula structure manufactures takeup type structure by densely winding sheet type negative pole and sheet type positive pole, and as a result battery structure is in section
On be circular or oval, during the charging and discharging of battery due to the expansion of electrode and caused by shrinking stress in battery knot
Accumulated in structure, and when cumulative stress exceedes specified limit, battery structure can be deformed, and the deformation of battery structure causes in electrode
Between uneven gap, the cycle performance of battery will be drastically deteriorated, and the safety of battery is obtained due to the short circuit of inside battery
Less than guarantee；(2) laminated structure manufactures the electricity of stacked by sequentially stacking multiple unit negative poles and multiple unit positive poles
Pool structure is, it is necessary to which substantial amounts of time and efforts carrys out the processing of execution sequence stacking, and result is the process low production efficiency；(3) bag
Formula structure, compared to the stacked bag process for further increasing poor efficiency；(4) stacking-accordion structure production efficiency is high, and structure is steady
It is fixed, but electrolyte interlayer difference can influence the long-time quality of battery.
The content of the invention
Goal of the invention：In view of the above-mentioned problems, it is an object of the invention to provide a kind of winding-laminated battery, considering
Preparation efficiency, structural stability, and the long-term homogeneity of battery is taken into account simultaneously.
Technical scheme：
A kind of winding-laminated battery, including battery core, the battery core include winding-structure unit, and are tied by the winding
Structure element stack is formed, and the winding-structure unit includes horizontally disposed barrier film, anode pole piece, cathode pole piece, the positive pole
Pole piece, the cathode pole piece are arranged at intervals by the barrier film respectively, and overall winding forms the winding-structure unit, windings
Enclosed for 0.5*N, wherein N is positive integer, the winding-structure unit of formation for negative pole/barrier film/positive pole/barrier film/negative pole/every
Film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole is alternately present any part intercepted in repeat unit, many
Form battery pole group after the individual winding-structure element stack, the both sides of battery pole group septation separation are anode pole piece,
Outermost layer is barrier film in the relative formation battery pair of cathode pole piece, the battery pole group, and secondary outer layer is cathode pole piece.Winding-structure list
Member is combined into an entirety by the mode such as temperature and pressure effect, corona, plasma, glue connection, and product stability is good.
Specifically, the number of plies that the barrier film is set is more than or equal to one layer, when the number of plies of the barrier film is more than one layer, it is described every
Film be arranged in parallel respectively, and according to the number of plies that barrier film is selected the need for actual production, controllability is good.
Specifically, the winding-structure unit outermost layer is barrier film, or outermost layer two sides be all anode pole piece or
Cathode pole piece, or a wherein face outermost layer are anode pole piece, and a face outermost layer is cathode pole piece in addition, and winding-structure unit is more
Select wide in sample, actual production.
The battery pole group of several different winding-structure element stacks presented below：
Specifically, the winding-structure unit is two kinds of different structures, the structure of the winding-structure unit one be every
Film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, the structure of the corresponding winding-structure unit two is positive pole/barrier film/negative
Pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, the winding-structure unit one, the winding-structure unit two heap successively
Poststack forms the battery pole group, and the winding-structure unit one is stacked in the top and bottom respectively.
Specifically, the winding-structure unit is two kinds of different structures, the structure of the winding-structure unit one be every
Film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, the structure of the winding-structure unit two for barrier film/negative pole/every
Film, the winding-structure unit one is stacked gradually, and heap poststack both sides are respectively the barrier film, the anode pole piece, the positive pole
This side of pole piece add one group of heap described in winding-structure unit two form the battery pole group.
Specifically, the winding-structure unit is two kinds of different structures, the structure of the winding-structure unit one be every
Film/negative pole/barrier film/positive pole, the structure of the winding-structure unit two is barrier film/negative pole/barrier film, the winding-structure unit one
Stack gradually, heap poststack both sides are respectively the barrier film, the anode pole piece, outermost layer adds heap one for this side of anode pole piece
The group winding-structure unit two forms the battery pole group.
Specifically, the winding-structure unit is two kinds of different structures, the winding-structure unit one is barrier film/just
Pole/barrier film, the winding-structure unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, the winding-structure list
Member one, the winding-structure unit two are alternately arranged to form the battery pole group, and the winding-structure unit two is stacked in respectively
The top and bottom.
Specifically, the winding-structure unit is three kinds of different structures, the winding-structure unit one is barrier film/just
Pole/barrier film/negative pole, the winding-structure unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole, the winding-structure list
Member three is barrier film/positive pole/barrier film/negative pole/barrier film, and the winding-structure unit one is stacked gradually, and heap poststack both sides are respectively institute
Barrier film, the cathode pole piece are stated, this side of the barrier film adds winding-structure unit two described in one group of heap, the cathode pole piece
This side add stacking one group described in winding-structure unit three form the battery pole group.
Specifically, the winding-structure unit is two kinds of different structures, the winding-structure unit one using three layers every
Film is wound, the winding-structure unit one be barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/
Negative pole/barrier film, the winding-structure unit two is positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, institute
State winding-structure unit two both sides respectively add one group of heap described in winding-structure unit one form the battery pole group.
Specifically, the winding-structure unit is two kinds of different structures, the winding-structure unit one using three layers every
Film is wound, the winding-structure unit one be barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/
Positive pole/barrier film, the winding-structure unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole, the winding-structure unit
One both sides respectively add one group of heap described in winding-structure unit two form the battery pole group.
Beneficial effect：Compared with prior art, the present invention has advantages below：(1) compared with winding-structure, no circular arc
Area, programmable NP reduces waste of raw materials than small, and circulation expansion is uniform, and cycle period is long, for Large Copacity battery core monomer,
The separated design theory loss of structure can all be substantially reduced；(2) compared with traditional Z-shaped lamination process, efficiency high, barrier film is damaged
The loss that bad, joint etc. is brought is low；(3) than bag technique efficiency high, operation quantity is few, and homogeneity of product is high, and yields is higher；
(4) compared with stacking-folding technology, different interlayer electrolyte are more evenly distributed, and are failed due to the battery core that interlayer difference is caused
Risk is low, and cycle life is longer, reduces the risk of extreme environment internal short-circuit caused by diaphragm retracts.
Brief description of the drawings
Fig. 1 is the structural representation before the winding of winding-structure unit one in embodiment 1；
Fig. 2 is the structural representation after the winding of winding-structure unit one in embodiment 1；
Fig. 3 is the structural representation before the winding of winding-structure unit two in embodiment 1；
Fig. 4 is the structural representation after the winding of winding-structure unit two in embodiment 1；
Fig. 5 is the structural representation of battery pole group in embodiment 1；
Fig. 6 is the structural representation before the winding of winding-structure unit one in embodiment 2；
Fig. 7 is the structural representation after the winding of winding-structure unit one in embodiment 2；
Fig. 8 is the structural representation after the winding of winding-structure unit two in embodiment 2；
Fig. 9 is the structural representation of battery pole group in embodiment 2；
Figure 10 is the structural representation after the winding of winding-structure unit one in embodiment 3；
Figure 11 is the structural representation after the winding of winding-structure unit two in embodiment 3；
Figure 12 is the structural representation of battery pole group in embodiment 3；
Figure 13 is the structural representation after the winding of winding-structure unit one in embodiment 4；
Figure 14 is the structural representation before the winding of winding-structure unit two in embodiment 4；
Figure 15 is the structural representation after the winding of winding-structure unit two in embodiment 4；
Figure 16 is the structural representation of battery pole group in embodiment 4；
Figure 17 is the structural representation before the winding of winding-structure unit one in embodiment 5；
Figure 18 is the structural representation after the winding of winding-structure unit one in embodiment 5；
Figure 19 is the structural representation before the winding of winding-structure unit two in embodiment 5；
Figure 20 is the structural representation after the winding of winding-structure unit two in embodiment 5；
Figure 21 is the structural representation before the winding of winding-structure unit three in embodiment 5；
Figure 22 is the structural representation after the winding of winding-structure unit three in embodiment 5；
Figure 23 is the structural representation of battery pole group in embodiment 5；
Figure 24 is the structural representation before the winding of winding-structure unit one in embodiment 6；
Figure 25 is the structural representation after the winding of winding-structure unit one in embodiment 6；
Figure 26 is the structural representation before the winding of winding-structure unit two in embodiment 6；
Figure 27 is the structural representation after the winding of winding-structure unit two in embodiment 6；
Figure 28 is the structural representation of battery pole group in embodiment 6；
Figure 29 is the structural representation before the winding of winding-structure unit one in embodiment 7；
Figure 30 is the structural representation after the winding of winding-structure unit one in embodiment 7；
Figure 31 is the structural representation before the winding of winding-structure unit two in embodiment 7；
Figure 32 is the structural representation after the winding of winding-structure unit two in embodiment 7；
Figure 33 is the structural representation of battery pole group in embodiment 7；
Figure 34 is the structural representation before the winding of winding-structure unit one in embodiment 8；
Figure 35 is the structural representation after the winding of winding-structure unit one in embodiment 8；
Figure 36 is the structural representation before the winding of winding-structure unit two in embodiment 8；
Figure 37 is the structural representation after the winding of winding-structure unit two in embodiment 8；
Figure 38 is the structural representation of battery pole group in embodiment 8；
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are each to the present invention's
The modification for planting the equivalent form of value falls within the application appended claims limited range.
Embodiment 1：
Winding-structure unit is two kinds of different structures, and Fig. 1 is the structure before winding-structure unit one is wound, parallel to be provided with
Two layers of barrier film, cathode pole piece is in the middle of two layers of barrier film, the winding that anode pole piece interval is located at after diaphragm, the circle of winding 0.5
The structure of construction unit one is as shown in Fig. 2 the structure of winding-structure unit one is barrier film/negative pole/barrier film/positive pole/barrier film/negative
Pole/barrier film, Fig. 3 is the structure before winding-structure unit two is wound, and parallel to be provided with two layers of barrier film, cathode pole piece is located at two layers of barrier film
Centre, anode pole piece interval is located at diaphragm, and cathode pole piece is below barrier film, the winding-structure unit after the circle of winding 0.5
Two structure as shown in figure 4, winding-structure unit two structure for positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/every
Battery pole group is formed after film/positive pole, winding-structure unit one, the stacked spaced apart of winding-structure unit two as shown in figure 5, keep simultaneously
Two groups of winding-structure units one are stacked in the top and bottom.The battery pole group of heap poststack carries out hot pressing, temperature using flat board
For 50~100 DEG C, pressure is 0.1~1.5MPa.
Embodiment 2：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, figure
6 be the structure before winding-structure unit one is wound, and parallel to be provided with two layers of barrier film, cathode pole piece is in the middle of two layers of barrier film, positive pole
Pole piece is respectively separated below first layer diaphragm and second layer barrier film, and the number of turns of winding can be that (N is strange to 0.5*N
Number), winding 1.5 circle after the structure of winding-structure unit one as shown in fig. 7, winding-structure unit one structure for barrier film/negative pole/
Barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, the structure of winding-structure unit two as shown in Figure 8 is barrier film/negative pole/barrier film,
Two winding-structure units one are stacked gradually, and heap poststack both sides are respectively barrier film, anode pole piece, this side Jia Dui of anode pole piece
The one group of formation of winding-structure unit two battery pole group is as shown in Figure 9.
Embodiment 3：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, such as
Shown in Figure 10, the structure of winding-structure unit one is barrier film/negative pole/barrier film/positive pole, as shown in figure 11, winding-structure unit two
Structure be barrier film/negative pole/barrier film, as shown in figure 12, four groups of winding-structure units one are stacked gradually, and heap poststack both sides are respectively
Barrier film, anode pole piece, outermost layer add one group of formation battery pole group of winding-structure unit two of heap for this side of anode pole piece.
Embodiment 4：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, such as
Shown in Figure 13, winding-structure unit one is barrier film/positive pole/barrier film, and Figure 14 is the structural representation before winding-structure unit two is wound
Figure, is set after one layer of barrier film, the circle of winding 1, and Figure 15 is the structural representation after winding-structure unit two is wound, winding-structure unit
Two be negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, and winding-structure unit one, winding-structure unit two are alternately arranged to form electricity
Pond pole group, winding-structure unit two is stacked in the top and bottom respectively, as shown in figure 16.
Embodiment 5：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is three kinds of different structures, figure
17th, Figure 18 is respectively the structural representation before winding-structure unit one is wound and after winding, and winding-structure unit one is barrier film/just
Pole/barrier film/negative pole, Figure 19, Figure 20 are respectively the structural representation before winding-structure unit two is wound and after winding, winding-structure
Unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole, and Figure 21, Figure 22 are respectively before winding-structure unit three is wound and volume
Structural representation after, winding-structure unit three is barrier film/positive pole/barrier film/negative pole/barrier film, as shown in figure 23, three groups of windings
Construction unit one is stacked gradually, and heap poststack both sides are respectively barrier film, cathode pole piece, and this side of barrier film adds one group of winding-structure of heap
Unit two, this side of cathode pole piece adds one group of formation battery pole group of winding-structure unit three of stacking.
Embodiment 6：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, figure
24 be the structure before winding-structure unit one is wound, and parallel to be provided with two layers of barrier film, cathode pole piece is in the middle of two layers of barrier film, positive pole
Below pole piece second layer barrier film, two, first layer diaphragm interval position sets the winding after an anode pole piece, the circle of winding 1
The structure of construction unit one as shown in figure 25, the structure of winding-structure unit one for positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/
Negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, Figure 26 is the structure before winding-structure unit two is wound, parallel to be provided with
Two layers of barrier film, cathode pole piece is in the middle of two layers of barrier film, and first layer barrier film upper strata often sets two one, anode pole piece intervals position
Put, the structure of winding-structure unit two after the circle of winding 1 as shown in figure 27, the structure of winding-structure unit two for barrier film/negative pole/every
Film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, the both sides of winding-structure unit one respectively add one group of winding of heap
The formation of construction unit two battery pole group is as shown in figure 28.
Embodiment 7：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, figure
29 be the structure before winding-structure unit one is wound, and parallel to be provided with three-layer membrane, anode pole piece is located at first layer barrier film and second
In the middle of layer barrier film, cathode pole piece is in the middle of second layer barrier film and third layer barrier film, and cathode pole piece interval is located at first layer barrier film
As shown in figure 30, the structure of winding-structure unit one is barrier film/negative to the structure of winding-structure unit one after top, the circle of winding 0.5
Pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, Figure 31, Figure 32 are respectively winding-structure unit two
Structural representation before winding and after winding, the structure of winding-structure unit two for positive pole/barrier film/negative pole/barrier film/positive pole/every
Film/negative pole/barrier film/positive pole, the both sides of winding-structure unit two respectively add the one group of formation battery pole of winding-structure unit one group of heap such as
Shown in Figure 33.
Embodiment 8：
Difference with embodiment 1 is the difference of winding-structure unit, and winding-structure unit is two kinds of different structures, figure
34 be the structure before winding-structure unit one is wound, and parallel to be provided with three-layer membrane, cathode pole piece is located at first layer barrier film and second
In the middle of layer barrier film, anode pole piece is in the middle of second layer barrier film and third layer barrier film, and anode pole piece interval is located at first layer barrier film
As shown in figure 35, the structure of winding-structure unit one is barrier film/just to the structure of winding-structure unit one after top, the circle of winding 0.5
Pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film, Figure 36, Figure 37 are respectively winding-structure unit two
Structural representation before winding and after winding, the structure of winding-structure unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative
Pole, the both sides of winding-structure unit one respectively add the one group of formation of winding-structure unit two battery pole group of heap as shown in figure 38.The present invention
Winding-structure unit without circular arc area, save material, circulation expansion is uniform, and cycle period is long, preparation efficiency is high, be lost it is low,
Operation quantity is few, and different interlayer electrolyte are more evenly distributed, and structural stability is good, and the long-term homogeneity of battery is good.
Claims (10)
1. a kind of winding-laminated battery, including battery core, it is characterised in that：The battery core includes winding-structure unit, and by institute
State winding-structure element stack to form, the winding-structure unit includes horizontally disposed barrier film, anode pole piece, cathode pole piece,
The anode pole piece, the cathode pole piece are arranged at intervals by the barrier film respectively, and overall winding forms the winding-structure unit,
Windings are 0.5*N circles, and wherein N is positive integer, the winding-structure unit of formation for negative pole/barrier film/positive pole/barrier film/
What negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole was alternately present in repeat unit any intercepts
Battery pole group is formed after part, multiple winding-structure element stacks, the both sides of the battery pole group septation separation is just
Outermost layer is barrier film in the relative formation battery pair of pole pole piece, cathode pole piece, the battery pole group, and secondary outer layer is cathode pole piece.
2. a kind of winding-laminated battery according to claim 1, it is characterised in that：The number of plies that the barrier film is set is big
In equal to one layer, when the number of plies of the barrier film is more than one layer, the barrier film be arranged in parallel respectively.
3. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is most
Outer layer is barrier film, and either outermost layer two sides is all anode pole piece or cathode pole piece or a wherein face outermost layer is positive pole
Pole piece, a face outermost layer is cathode pole piece in addition.
4. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Different structures are planted, the structure of the winding-structure unit one is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film, right
The structure for the winding-structure unit two answered is positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole, institute
State winding-structure unit one, the winding-structure unit two and the battery pole group, the winding-structure list are formed after stacking gradually
Member one is stacked in the top and bottom respectively.
5. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Kind different structures, the structure of the winding-structure unit one is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/just
Pole, the structure of the winding-structure unit two is barrier film/negative pole/barrier film, and the winding-structure unit one is stacked gradually, heap poststack
Both sides are respectively the barrier film, the anode pole piece, and this side of the anode pole piece adds winding-structure unit described in one group of heap
Two form the battery pole group.
6. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Different structures are planted, the structure of the winding-structure unit one is barrier film/negative pole/barrier film/positive pole, the winding-structure unit two
Structure be barrier film/negative pole/barrier film, the winding-structure unit one stacks gradually, and heap poststack both sides are respectively the barrier film, institute
State anode pole piece, outermost layer for this side of anode pole piece add one group of heap described in winding-structure unit two form the battery pole
Group.
7. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Kind different structures, the winding-structure unit one is barrier film/positive pole/barrier film, the winding-structure unit two be negative pole/every
Film/positive pole/barrier film/negative pole/barrier film, the winding-structure unit one, the winding-structure unit two are alternately arranged to form described
Battery pole group, the winding-structure unit two is stacked in the top and bottom respectively.
8. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is three
Kind different structures, the winding-structure unit one is barrier film/positive pole/barrier film/negative pole, the winding-structure unit two be every
Film/negative pole/barrier film/positive pole/barrier film/negative pole, the winding-structure unit three is barrier film/positive pole/barrier film/negative pole/barrier film, described
Winding-structure unit one is stacked gradually, and heap poststack both sides are respectively the barrier film, the cathode pole piece, this side of the barrier film
Plus winding-structure unit two described in one group of heap, this side of the cathode pole piece adds the shape of winding-structure unit three described in one group of stacking
Into the battery pole group.
9. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Kind different structures, the winding-structure unit one be barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/every
Film/negative pole/barrier film, the winding-structure unit two is positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/barrier film/just
Pole, the both sides of the winding-structure unit two respectively add one group of heap described in winding-structure unit one form the battery pole group.
10. a kind of winding-laminated battery according to claim 1, it is characterised in that：The winding-structure unit is two
Kind different structures, the winding-structure unit one be barrier film/positive pole/barrier film/negative pole/barrier film/positive pole/barrier film/negative pole/every
Film/positive pole/barrier film, the winding-structure unit two is barrier film/negative pole/barrier film/positive pole/barrier film/negative pole, the winding-structure list
Member one both sides respectively add one group of heap described in winding-structure unit two form the battery pole group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558778.8A CN107171017B (en) | 2017-07-11 | 2017-07-11 | A kind of winding-laminated battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558778.8A CN107171017B (en) | 2017-07-11 | 2017-07-11 | A kind of winding-laminated battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107171017A true CN107171017A (en) | 2017-09-15 |
| CN107171017B CN107171017B (en) | 2018-10-09 |
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| CN110603680A (en) * | 2018-02-01 | 2019-12-20 | 株式会社Lg化学 | Electrode assembly and method of manufacturing the same |
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Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province Patentee before: ETRUST POWER Group Ltd. |