CN206558627U - A kind of coiled battery - Google Patents
A kind of coiled battery Download PDFInfo
- Publication number
- CN206558627U CN206558627U CN201621081073.9U CN201621081073U CN206558627U CN 206558627 U CN206558627 U CN 206558627U CN 201621081073 U CN201621081073 U CN 201621081073U CN 206558627 U CN206558627 U CN 206558627U
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- barrier film
- positive
- negative
- plate
- bag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a kind of coiled battery, by battery case (1), negative plate (2), positive plate (3), barrier film (4) and lug (5) composition, together with the barrier film (4) is combined with the negative plate (2) and positive plate (3), and it is wound into core (6), the lug (5) is welded with the positive plate (3) and negative plate (2) of the core (6), the battery case (1) is packaged with the outside of the core (6), a kind of coiled battery provided by the utility model, improve the tensile strength of electrode, improve the flexibility of electrode, the short circuit problem that inside battery can be avoided to be caused due to barrier film dislocation, battery will not produce serious dislocation with barrier film both positive and negative polarity, without positioning pole piece and the barrier film of taking time in production process, directly both positive and negative polarity is overlaped and is wound, the production efficiency of battery can significantly be lifted.
Description
Technical field
The utility model is related to lithium battery production and processing technical field, and in particular to a kind of coiled battery.
Background technology
Lithium battery plays social development particularly important effect as new pattern environment protection battery, for small-sized coiling lithium
Ion battery, electrode width is narrower, and when pole piece is long, barrier film 4 easily misplaces with pole piece machine, when pole piece is narrow in addition (<It is 5mm) electric
Fracture is easy to, especially with the positive pole that collector is aluminium foil, pole piece is easily damaged, and pole piece is narrow, during winding and pole piece
And barrier film 4 easily misplaces, cause the reduction of battery harvest rate, inside battery easily has short-circuit risks, and battery hardly possible realizes automation
Production；Other manual production efficiency is low, how improving production efficiency, how to ensure battery reliability turn into small rolls around lithium from
The technical barrier of sub- mass production, therefore need further improvement.
Utility model content
The utility model provides a kind of conductive effect good, safe and reliable takeup type for above-mentioned the deficiencies in the prior art
Battery.
The utility model is that the used technical scheme that solves the above problems is：
The utility model provides a kind of coiled battery, is made up of battery case, negative plate, positive plate, barrier film and lug,
It is characterized in that：Together with the barrier film is combined with the negative plate and positive plate, and core is wound into, the core
It is welded with positive plate and negative plate on the outside of the lug, the core and is packaged with the battery case.
Further, the combination of the barrier film and negative plate and positive plate include barrier film by the bag mode of pole piece and
The mode that barrier film is fitted with pole piece.
Further, pole piece bag mode is positive pole bag negative pole not bag by the barrier film, and negative pole bag positive pole is not made
Bag, positive pole, negative pole bag simultaneously respectively, bag is in the barrier film upper and lower faces simultaneously for positive and negative electrode, and positive and negative electrode is while parallel system
Bag is in the barrier film upper and lower surface, positive and negative electrode Central Symmetry bag mode in the barrier film upper and lower faces 6 simultaneously,
Bag mode is that the positive plate and the negative plate enter with two layers of barrier film respectively simultaneously respectively for the positive pole, negative pole
Row bag is combined together；
Bag is the positive plate and the negative plate in the mode of the barrier film upper and lower faces to the positive and negative electrode simultaneously
Be combined into 3 layers of barrier film, stack level for first layer barrier film, negative plate or positive plate, second layer barrier film, positive plate or
Negative plate；
Parallel bag is that positive plate and the negative plate are flat in the mode of the barrier film upper and lower surface to the positive and negative electrode simultaneously
Row is placed on first layer barrier film, then covers second layer barrier film bag together；
Central Symmetry bag is the positive plate and institute in the mode of the barrier film upper and lower faces to the positive and negative electrode simultaneously
State negative plate to be positioned on first layer barrier film, then cover second layer barrier film bag together.
Further, the barrier film is with pole piece laminating type：Positive pole is fitted, and negative pole is not fitted；Positive pole is not fitted, negative pole
Laminating；Both positive and negative polarity is fitted respectively；One kind during positive and negative electrodes in same in barrier film two sides laminating 4 in mode；
Laminating type is that the positive plate and the negative plate are fitted on the barrier film respectively to both positive and negative polarity respectively, specific bag
Include:The positive plate is fitted on one layer of barrier film, and the negative plate is fitted with another layer of barrier film, by the positive plate, is born
Pole piece and 2 layers of barrier film composition, arrangement mode is positive plate, first layer barrier film, negative plate and second layer barrier film；Or arrangement mode is
Barrier film, positive plate, barrier film, negative plate and barrier film；Or arrangement mode is barrier film, positive plate, barrier film and negative plate.
Include the positive plate with the negative plate while parallel patch in barrier film two sides laminating type during the positive and negative electrodes in same
Close on barrier film upper and lower faces and the positive plate, the negative plate are while Central Symmetry is fitted in the same face of the barrier film.
Further, the shell is aluminum hull, aluminum plastic film or steel plastic film box hat.
Further, the bag mode is fervent bag or ultrasonic bag.
Further, the barrier film includes PP barrier films, PE barrier films, PI barrier films and PP-PE-PP three-layer membrane, and
Ceramic particle, PVDF, acrylic and the mixed painting of ceramic acrylic are coated with as basement membrane by above-mentioned barrier film, PVDF ceramics are mixed to be applied
The barrier film of coating.
Further, the barrier film (4) and pole piece laminating type be barrier film (4) fitted electrode between using pressure, it is hot
Overlay the mode of conjunction, ultrasound laminating or the Nian Jie laminating of barrier film (4) coated with adhesive between electrode.
The preparation method of the coiled battery, is comprised the steps of：
(1) by barrier film and negative plate and positive plate by barrier film by pole piece bag mode or barrier film and pole piece laminating type group
It is combined；
(2) barrier film combined, positive plate and negative plate are wound using up- coiler, core is made；
(3) core of gained in step is loaded into packaging film seal obtaining semi-finished product；
(4) semi-finished product in step by heat-sealing are injected electrolyte and charged and activated；
(5) semi-finished product through overactivation are subjected to trimming processing, obtain required resultant battery.
The beneficial effects of the utility model are：
A kind of coiled battery provided by the utility model, fitted by barrier film with bag, barrier film pole piece so that
The method of membrane reinforcement pole strength, improves the tensile strength of electrode, improves the flexibility of electrode, while barrier film and pole piece group
The method of conjunction causes pole piece not misplaced with barrier film so that the harvest rate of production process battery significantly rises, and the making side
Method can need not use sutomatic winding machine, and barrier film will not produce dislocation with pole piece, inside battery can be avoided wrong due to barrier film
The short circuit problem that position is caused, battery will not be produced in serious dislocation, production process without positioning of taking time with barrier film both positive and negative polarity
Pole piece and barrier film, both positive and negative polarity is directly overlaped be wound, and can significantly lift the production efficiency of battery.
Brief description of the drawings
Fig. 1 is the both positive and negative polarity pole piece and bag structural representation of a kind of coiled battery of the utility model；
Fig. 2 is a kind of cylindrical roll cored structure schematic diagram of coiled battery of the utility model；
Fig. 3 is a kind of rectangle core structural representation of coiled battery of the utility model；
Fig. 4 is the structural representation of a kind of coiled battery positive pole bag of the utility model, negative pole not bag；
Fig. 5 is the structural representation of a kind of coiled battery negative pole bag of the utility model, positive pole not bag；
Fig. 6 is a kind of coiled battery both positive and negative polarity of the utility model respectively while the structural representation of bag；
Structural representation of the bag in upper and lower surface when Fig. 7 is a kind of coiled battery positive and negative electrodes in same of the utility model；
Structure chart of the parallel bag in upper and lower surface when Fig. 8 is a kind of coiled battery positive and negative electrodes in same of the utility model；
Central Symmetry bag is in upper and lower surface after doubling when Fig. 9 is a kind of coiled battery positive and negative electrodes in same of the utility model
Another schematic diagram；
Figure 10 is the structural representation that a kind of laminating of coiled battery positive pole of the utility model, negative pole are not fitted；
Figure 11 is that a kind of coiled battery positive pole of the utility model is not fitted, the structural representation of negative pole laminating；
Figure 12 is the front view that a kind of coiled battery both positive and negative polarity of the utility model is fitted respectively；
Figure 13 is the first structural representation that a kind of coiled battery both positive and negative polarity of the utility model is fitted respectively；
Figure 14 is second of structural representation that a kind of coiled battery both positive and negative polarity of the utility model is fitted respectively；
Figure 15 is the third structural representation that a kind of coiled battery both positive and negative polarity of the utility model is fitted respectively；
Figure 16 be a kind of coiled battery both positive and negative polarity of the utility model up and down parallel laminating simultaneously when top view；
Figure 17 be a kind of coiled battery both positive and negative polarity of the utility model up and down parallel laminating simultaneously when left view；
Figure 18 be a kind of coiled battery both positive and negative polarity of the utility model up and down parallel laminating simultaneously when front view；
Figure 19 is that structure when deploying when Central Symmetry is fitted above and below a kind of coiled battery both positive and negative polarity of the utility model is shown
It is intended to；
Figure 20 is front view when deploying when Central Symmetry is fitted above and below a kind of coiled battery both positive and negative polarity of the utility model；
Figure 21 is the structure chart of positive pole band in embodiment 1；
Figure 22 is the structure chart of negative pole in embodiment 1；
Figure 23 is the structure chart of cylindrical battery in embodiment 1；
Figure 24 is the structure chart of cylindrical battery core in embodiment 1；
Figure 25 is the structure chart of rectangular cell in embodiment 2.
Embodiment
Embodiment of the present utility model is specifically illustrated below in conjunction with the accompanying drawings, and accompanying drawing is only for reference and explanation is used, not structure
The limitation of paired the utility model scope of patent protection.
The utility model provides a kind of coiled battery, as shown in figure 1, by battery case 1, negative plate 2, positive plate 3, every
Film 4 and lug 5 are constituted, together with the barrier film 4 is combined with the negative plate 2 and positive plate 3, and are wound into core 6, such as
Shown in Fig. 2 and Fig. 3, core 6 can be designed to cylinder or rectangle, the positive plate 32 and negative pole of the core 63 as needed
The lug 5 is welded with piece 23, the outside of core 6 is packaged with the battery case 1.
Electrode is combined with barrier film 4, and the position for playing barrier film 4 and electrode is relatively fixed and avoids the dislocation of barrier film 4 from leading
The method for causing both positive and negative polarity short circuit；Barrier film 4 reinforces the tensile strength of electrode, it is to avoid electrode was being wound together with electrode combination
It is broken in journey by damaged；
In the present embodiment, the combination of the barrier film 4 and negative plate 2 and positive plate 3 includes barrier film 4 by pole piece bag side
Formula and barrier film 4 and pole piece laminating type.
In the present embodiment, pole piece bag mode is positive pole bag negative pole not bag (as shown in Figure 4) by the barrier film (4),
Negative pole bag positive pole not bag (as shown in Figure 5), positive pole, negative pole bag (as shown in Figure 6) simultaneously respectively, positive and negative electrode is made simultaneously
Bag is in the barrier film (4) upper and lower faces (as shown in Figure 7), positive and negative electrode while parallel bag is in the barrier film (4) upper and lower surface
(as shown in Figure 8), positive and negative electrode simultaneously Central Symmetry bag mode in the barrier film (4) upper and lower faces (as shown in Figure 9) 6,
As shown in fig. 6, bag mode is the positive plate (3) and the negative plate (2) simultaneously respectively for the positive pole, negative pole
Bag is carried out with two layers of barrier film (4) respectively to be combined together；
As shown in fig. 7, bag is the positive pole in the mode of the barrier film (4) upper and lower faces to the positive and negative electrode simultaneously
Piece and the pole piece (2) and 3 layers of barrier film (4) are combined into, stack level for first layer barrier film (4), negative plate (2) or
Positive plate (3), second layer barrier film (4), positive plate (3) or negative plate (2)；
As shown in figure 8, parallel bag is positive plate in the mode of the barrier film (4) upper and lower surface to the positive and negative electrode simultaneously
(3) it is placed in parallel with the negative plate (2) on first layer barrier film (4), then covers second layer barrier film (4) bag together；
As shown in figure 9, Central Symmetry bag is institute in the mode of the barrier film (4) upper and lower faces to the positive and negative electrode simultaneously
State positive plate (3) and the negative plate (2) is positioned on first layer barrier film (4), then cover second layer barrier film (4) bag one
Rise.
In the present embodiment, the barrier film (4) is with pole piece laminating type：Positive pole is fitted, and negative pole is not fitted (such as Figure 10 institutes
Show)；Positive pole is not fitted, negative pole laminating (as shown in figure 11)；Both positive and negative polarity is fitted (as shown in Figure 12 to Figure 15) respectively；Positive and negative electrodes in same
When fitted on barrier film (4) two sides 4 (as shown in Figure 16 to Figure 19) in one kind in mode；
Both positive and negative polarity difference laminating type is that the positive plate (3) and the negative plate (2) are fitted in the barrier film (4) respectively
On, specifically include:As shown in figure 12, the positive plate (3) is fitted on one layer of barrier film (4), the negative plate (2) and another layer
Barrier film (4) is fitted, and is made up of the positive plate (3), negative plate (2) and 2 layers of barrier film (4), arrangement mode is positive plate
(3), first layer barrier film (4), negative plate (2) and second layer barrier film (4) (as shown in figure 13)；Or arrangement mode is first layer barrier film
(4), positive plate (3), second layer barrier film (4), negative plate (2) and third layer barrier film (4) (as shown in figure 14)；Or arrangement mode is
First layer barrier film (4), positive plate (3), second layer barrier film (4) and negative plate (2) (as shown in figure 15).
Include the positive plate (3) in barrier film (4) two sides laminating type during the positive and negative electrodes in same and the negative plate (2) is same
Shi Pinghang is fitted on barrier film (4) upper and lower faces (as shown in Figure 16 to Figure 20) and the positive plate (3), the negative plate (2)
Central Symmetry is fitted in the same face (as illustrated in figures 19 and 20) of the barrier film (4) simultaneously.
The shell be barrier film 4 in aluminum hull, aluminum plastic film or steel plastic film, the barrier film 4 and pole piece laminating type be without
The basement membrane of barrier film 4 of coating treatment, such as segregation tetrafluoroethene (PVDF) processing barrier film 4, resin treatment barrier film 4, acrylic processing every
Film 4, the barrier film 4 and pole piece laminating type be barrier film 4 with fit between electrode using pressure, hot pressing laminating, it is ultrasonic fit or every
The laminating type Nian Jie with coated with adhesive between electrode of film 4.
The utility model provides a kind of preparation method of coiled battery, comprises the steps of：
(1) barrier film 4 is fitted pole piece bag mode or barrier film 4 with pole piece by barrier film 4 with negative plate 2 and positive plate 3
Mode is combined；
(2) barrier film 4 combined, positive plate 3 and negative plate 2 are wound using up- coiler, core 6 is made；
(3) core 6 of gained in step (2) is loaded into packaging film to be sealed；
(4) semi-finished product in step by heat-sealing are injected electrolyte and charged and activated；
(5) semi-finished product through overactivation are subjected to trimming processing, obtain required resultant battery.
In the present embodiment, the winding method in step (2) is that positive pole negative pole is used into three-layer membrane 4 by two electrode bags
Together, or directly it is attached to using barrier film 4 on pole piece and reinforces electrode, then is wound into core 6.
In order to become apparent from describing the battery structure, following examples are set forth and illustrated：
Embodiment 1
As shown in FIG. 21 to 24, the present embodiment provides a kind of takeup type cylindrical battery, and the battery is by negative plate 2, positive pole
Lug 5 is disposed on piece 3, barrier film 4, lug 5, plug 51, aluminum hull 52, positive plate 3 and negative plate 2, system band mode uses positive pole system
The positive plate 3 of soldering polar ear 5 is used barrier film bag, the good positive pole of bag is with being welded with lug by band, the mode of negative pole band not processed
5 anode plate for lithium ionic cell 2 are wound into core 6, and core is inserted into aluminum hull 52, are rolled after being then injected into electrolyte, addition plug 51
Into battery after slot seal, electricizing activation
Embodiment 2
As shown in figure 25, the present embodiment provide a kind of takeup type cylindrical battery be rectangular cell, it is different from embodiment 1 it
It is in the battery does not have aluminum hull and plug, is directly formed by square core using laminated aluminum film, injection electrolyte, activation.
A kind of coiled battery provided by the utility model, fitted by barrier film 4 with bag, the pole piece of barrier film 4 so that
The method that barrier film 4 reinforces pole strength is obtained, the tensile strength of electrode is improved, improves the flexibility of electrode, while barrier film 4 and pole
The method of piece combination causes pole piece not misplaced with barrier film 4 so that the harvest rate of production process battery significantly rises, and the system
Make method can need not use sutomatic winding machine, barrier film 4 will not with pole piece produce dislocation, can avoid inside battery due to every
The short circuit problem that the dislocation of film 4 is caused, battery pole piece both positive and negative polarity will not produce fixed without taking time in serious dislocation, production process
Position positive pole, positioning negative pole, both positive and negative polarity is directly overlaped and is wound, can significantly lift the production efficiency of battery.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (6)
1. a kind of coiled battery, is made up of battery case (1), negative plate (2), positive plate (3), barrier film (4) and lug (5),
It is characterized in that：Together with the barrier film (4) is combined with the negative plate (2) and positive plate (3), and it is wound into core
(6) lug (5), the outer side packing of the core (6), are welded with the positive plate (3) and negative plate (2) of the core (6)
There is a battery case (1), the combination of the barrier film (4) and negative plate (2) and positive plate (3) is including barrier film (4) by pole
The mode that piece bag mode and barrier film (4) are fitted with pole piece, the barrier film (4) by pole piece bag mode be positive pole bag negative pole not
Bag, negative pole bag positive pole not bag, positive pole, negative pole bag simultaneously respectively, positive and negative electrode simultaneously bag on the barrier film (4),
Lower two sides, positive and negative electrode simultaneously parallel bag in the barrier film (4) upper and lower surface, positive and negative electrode simultaneously Central Symmetry bag described
Mode in barrier film (4) upper and lower faces 6,
The positive pole, negative pole respectively simultaneously bag mode be the positive plate (3) and the negative plate (2) respectively with two layers of barrier film
(4) bag is carried out to be combined together；
Bag is the positive plate and the negative plate in the mode of the barrier film (4) upper and lower faces to the positive and negative electrode simultaneously
(2) be combined into 3 layers of barrier film (4), stack level for first layer barrier film (4), negative plate (2) or positive plate (3), the second layer every
Film (4), positive plate (3) or negative plate (2)；
Parallel bag is positive plate (3) and the negative plate in the mode of the barrier film (4) upper and lower surface to the positive and negative electrode simultaneously
(2) it is placed in parallel on first layer barrier film (4), then covers second layer barrier film (4) bag together；
The positive and negative electrode simultaneously Central Symmetry bag the barrier film (4) upper and lower faces mode for the positive plate (3) and
The negative plate (2) is positioned on first layer barrier film (4), then covers second layer barrier film (4) bag together.
2. a kind of coiled battery according to claim 1, it is characterised in that：The barrier film (4) and pole piece laminating type
For：Positive pole is fitted, and negative pole is not fitted；Positive pole is not fitted, negative pole laminating；Both positive and negative polarity is fitted respectively；In barrier film (4) during positive and negative electrodes in same
One kind in two sides laminating 4 in mode；
Both positive and negative polarity difference laminating type is that the positive plate (3) and the negative plate (2) are fitted on the barrier film (4) respectively,
Specifically include:The positive plate (3) is fitted on one layer of barrier film (4), and the negative plate (2) is pasted with another layer of barrier film (4)
Close, be made up of the positive plate (3), negative plate (2) and 2 layers of barrier film (4), arrangement mode is positive plate (3), first layer barrier film
(4), negative plate (2) and second layer barrier film (4)；Or arrangement mode is barrier film (4), positive plate (3), barrier film (4), negative plate (2)
With barrier film (4)；Or arrangement mode is barrier film (4), positive plate (3), barrier film (4) and negative plate (2)；
Include the positive plate (3) and the negative plate (2) in barrier film (4) two sides laminating type during the positive and negative electrodes in same to put down simultaneously
Row is fitted on barrier film (4) upper and lower faces and the positive plate (3), the negative plate (2) at the same Central Symmetry be fitted in it is described
The same face of barrier film (4).
3. a kind of coiled battery according to claim 1, it is characterised in that：The shell is aluminum hull, aluminum plastic film or steel
Plastic film box hat.
4. a kind of coiled battery according to Claims 2 or 3, it is characterised in that：The barrier film (4) is by pole piece bag side
Formula is fervent bag or ultrasonic bag.
5. a kind of coiled battery according to claim 2, it is characterised in that：The barrier film include PP barrier films, PE barrier films,
The three-layer membrane of PI barrier films and PP-PE-PP, and by above-mentioned barrier film as basement membrane be coated with ceramic particle, PVDF, acrylic,
And the ceramic mixed painting of acrylic, the barrier film of the mixed coating layer of PVDF ceramics.
6. a kind of coiled battery according to claim 2, it is characterised in that：The barrier film (4) and pole piece laminating type
Fitted for barrier film (4) between electrode using pressure, hot pressing is fitted, ultrasound laminating or barrier film (4) coated with adhesive between electrode glue
Connect the mode of laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081073.9U CN206558627U (en) | 2016-09-26 | 2016-09-26 | A kind of coiled battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081073.9U CN206558627U (en) | 2016-09-26 | 2016-09-26 | A kind of coiled battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558627U true CN206558627U (en) | 2017-10-13 |
Family
ID=60369549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081073.9U Active CN206558627U (en) | 2016-09-26 | 2016-09-26 | A kind of coiled battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN206558627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356569A (en) * | 2016-09-26 | 2017-01-25 | 惠州市恒泰科技股份有限公司 | Winding type battery and manufacturing method thereof |
| WO2019148463A1 (en) * | 2018-02-02 | 2019-08-08 | 深圳前海优容科技有限公司 | Terminal tab for use in cylindrical battery and cylindrical battery |
| CN113299920A (en) * | 2021-05-24 | 2021-08-24 | 合肥国轩高科动力能源有限公司 | Lithium battery roll core |
-
2016
- 2016-09-26 CN CN201621081073.9U patent/CN206558627U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356569A (en) * | 2016-09-26 | 2017-01-25 | 惠州市恒泰科技股份有限公司 | Winding type battery and manufacturing method thereof |
| WO2019148463A1 (en) * | 2018-02-02 | 2019-08-08 | 深圳前海优容科技有限公司 | Terminal tab for use in cylindrical battery and cylindrical battery |
| CN113299920A (en) * | 2021-05-24 | 2021-08-24 | 合肥国轩高科动力能源有限公司 | Lithium battery roll core |
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