CN207052710U - A kind of new low internal resistance, the soft-package battery of high current - Google Patents
A kind of new low internal resistance, the soft-package battery of high current Download PDFInfo
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- CN207052710U CN207052710U CN201720847767.7U CN201720847767U CN207052710U CN 207052710 U CN207052710 U CN 207052710U CN 201720847767 U CN201720847767 U CN 201720847767U CN 207052710 U CN207052710 U CN 207052710U
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- Prior art keywords
- plate
- negative plate
- soft
- positive
- high current
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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
Abstract
The utility model provides a kind of new low internal resistance, the soft-package battery of high current, the new low internal resistance, the soft-package battery of high current include multiple core, the core is formed by positive plate and the negative plate winding of strip, multiple metal tabs are respectively arranged with the positive plate and negative plate, metal tabs are collector chimb, for passing through high current.New low internal resistance, the soft-package battery of high current includes multiple core, multiple metal tabs are provided with each positive plate and negative plate simultaneously, the internal resistance of cell can be reduced, and new low internal resistance, the soft-package battery of high current is formed by positive plate and negative plate winding, compared to the mode that core is stacked into multiple positive plates and negative plate, formation efficiency can be brought up to from 20 per hour and produce more than 400 per hour, encapsulate core for two panels plastic-aluminum packaging film, groove is formed after plastic-aluminum packaging film punching press, core is positioned in groove, again by two panels plastic-aluminum packaging film edge sealing.
Description
Technical field
The utility model is related to battery production manufacturing technology field, more particularly to a kind of new low internal resistance, high current it is soft
The structure of bag battery.
Background technology
In the last few years, with the development of battery technology, discharge current is big, stability is good, peace because it has for lithium ion battery
The features such as good perfection, big capacity, is widely used in the fields such as digital product, electric tool and power toy, to our life
Bring great convenience.
The making of battery pole group is the basic step that battery makes, and directly influences the performance of battery.The system of battery pole group
Mainly there are takeup type and stacked technology.The positive/negative plate of coiled battery typically all only has a lug, is unfavorable for electric current
Uniformly, discharge capability is low, and the internal resistance of cell is high.And though laminated battery plate lug is a lot, the problem of avoiding current unevenness even, but
It is time-consuming more, is unfavorable for the raising of production efficiency.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of the deficiencies in the prior art, the utility model purpose is to provide a kind of new low internal resistance, the Soft Roll of high current
Battery, it is intended to which soft-package battery making current unevenness is even in the prior art for solution, and discharge capability is low, and the internal resistance of cell is high, and production
The problem of efficiency is low.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:A kind of new low internal resistance, high current
Soft-package battery, wherein, including multiple core, the core is formed by positive plate and the negative plate winding of strip, it is described just
Multiple metal tabs as collector chimb are respectively arranged with pole piece and negative plate, the positive plate and negative plate are wound into
After the core, the multiple metal tabs on the multiple metal tabs and addressed negative plate point on the positive plate
Do not overlap, and the multiple metal tabs on the overlapping rear positive plate are described more on negative plate with addressing
Individual metal tabs stagger.
Further, the new low internal resistance, the soft-package battery of high current, wherein, the core by the positive plate and
After negative plate is overlapping, the positive plate and negative plate that overlap winding are formed.
Further, the new low internal resistance, the soft-package battery of high current, wherein, set on the positive plate and negative plate
Broken line layer is equipped with, the broken line layer is a plurality of broken line, and the positive plate and negative plate are divided into multiple positive poles by a plurality of broken line
At most set a metal convex on blade unit and negative pole blade unit, each positive pole blade unit and each negative pole blade unit
Piece.
Further, the new low internal resistance, the soft-package battery of high current, wherein, the core is by each positive pole
Blade unit and each negative plate cells overlap winding form.
Further, the new low internal resistance, the soft-package battery of high current, wherein, the new low internal resistance, high current
Soft-package battery also includes shell, and the shell is that the aluminum-plastic packaged film edge heat-sealing of two panels forms, the two panels plastic-aluminum bag
Set fluted on dress film, the core is located in the groove.
Further, the new low internal resistance, the soft-package battery of high current, wherein, between the positive plate and negative plate
Be provided with barrier film, the size of the barrier film is bigger than the size of the positive plate and negative plate, with cause the barrier film it is described just
Pole piece and negative plate are isolated entirely from.
The utility model is at least had the advantages that using as above technical scheme:The new low internal resistance of the utility model,
The soft-package battery of high current includes multiple core, while there is provided multiple convex as collector on each positive plate and negative plate
The metal tabs on side, the internal resistance of cell can be reduced, and the new low internal resistance of the utility model, the soft-package battery of high current are by strip
Positive plate and negative plate winding form, can be by production efficiency from every compared to the mode stacked with multiple positive plates and negative plate
Hour 20 brings up to produces more than 400 per hour, while the utility model is using two panels plastic-aluminum packaging film upper-lower heat seal
Packaged type, compared to the mode of a piece of plastic-aluminum packaging film doubling, it can also improve production efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings:
The decomposition texture schematic diagram that Fig. 1 is the new low internal resistance of the utility model, the soft-package battery of high current is preferably implemented.
Fig. 2 is structural representation of the core in winding process.
Fig. 3 is the structural representation of positive plate expansion.
Fig. 4 is the structural representation of negative plate expansion.
Fig. 5 is the utility model plastic-aluminum packaging film structural representation.
Fig. 6 is prior art plastic-aluminum packaging film structural representation.
Embodiment
Presently filed embodiment is described in detail below in conjunction with drawings and Examples, and thereby how the application is applied
Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technical effect.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.
The positive structure schematic that Fig. 1 is the new low internal resistance of the utility model, the soft-package battery of high current is preferably implemented, such as
Shown in Fig. 1, the new low internal resistance of the utility model, the soft-package battery 10 of high current include multiple core 100, core 100 be it is multiple,
The internal resistance of battery can be reduced, makes battery performance more preferable.
Fig. 2 is structural representation of the core in winding process, as shown in figure 1, positive plate of the core 100 by strip
110 and negative plate 120 winding form, without positive/negative plate is cut into sheet as laminated batteries, then will be cut into barrier film
The positive/negative plate of sheet overlaps together, and does poling group, and so design improves production efficiency.
Fig. 3 is the structural representation of positive plate expansion, and Fig. 4 is the structural representation of negative plate expansion, such as Fig. 3 and Fig. 4 institutes
Show, multiple metal tabs 111 as collector chimb, positive plate 110 are respectively arranged with positive plate 110 and negative plate 120
And after negative plate 120 is wound into core 100, multiple gold on multiple metal tabs 111 and negative plate 120 on positive plate 110
Category lug 111 overlaps respectively, as shown in Fig. 2 multiple metal tabs 111 and negative pole on the positive plate 110 after overlapping
Multiple metal tabs 111 on piece 120 stagger.Multiple metal tabs 111 as collector chimb are set, for passing through big electricity
Stream, can reduce the internal resistance of battery.
Referring to Fig. 2, core 100 by positive plate 110 and negative plate 120 it is overlapping after, the positive plate 110 that will overlap
Formed with the winding of negative plate 120.It is understood that positive plate 110 and negative plate 120 can also first distinguish coiling, then will be around
Positive plate 110 and 120 overlapping fixation of negative plate after volume form core, but scheme overlapping again after coiling needs to distinguish respectively
Positive plate 110 and negative plate 120 are distinguished into coiling, that is, need coiling twice, so more first than by positive plate 110 and negative plate 120
The scheme production efficiency of coiling is low together after overlapping.
As shown in Figures 3 and 4, it is preferred that positive plate 110 and negative plate 120 are rectangle strip, positive plate 110 and negative
The length and width of pole piece 120 are in the same size, by positive plate 110 and the overlapping alignment of negative plate 120 before coiling.
Incorporated by reference to Fig. 3 and Fig. 4, broken line layer 130 is provided with positive plate 110 and negative plate 120, broken line layer 130 is a plurality of
Positive plate 110 and negative plate 120 are divided into multiple positive pole blade units 112 and negative pole blade unit 122 by broken line, this plurality of broken line, often
One metal tabs 111 is at most set on one positive pole blade unit 112 and each negative pole blade unit 122.
Preferably, core 100 is formed by the overlapping winding of each positive pole blade unit 112 and each negative pole blade unit 122, and
Positive pole blade unit 112 and negative pole blade unit 122 are rectangle, and length and width are roughly the same, and so, the size of final core meeting can be with just
Pole piece unit 112 and negative pole blade unit 122 it is in the same size.
Broken line layer 130 is provided with positive plate 110 and negative plate 120, and core 100 is by each positive pole blade unit 112
Overlapping winding is when forming with each negative pole blade unit 122, can be according to broken line layer 130 during 120 coiling of positive plate 110 and negative plate
Broken line coiling, make positioning more accurate.
As shown in Figures 3 and 4, positive pole blade unit 112 and negative pole blade unit 122 are rectangle, and length and width are roughly the same, and gold
Category lug 111 is arranged on the diverse location of positive pole blade unit 112 and negative pole blade unit 122 of the same size, and owns after coiling
Metal tabs 111 on positive plate 110 overlap, and the metal tabs 111 on all negative plates 120 overlap, and
And it is overlapping after positive plate 110 on metal tabs 111 stagger with the metal tabs 111 on negative plate 120.
Referring to Fig. 4, in a specific implementation of negative plate 120, negative plate 120 is divided into n negative plate list from right to left
122, n of member is positive integer, and a metal tabs 111, the 2nd negative plate are provided with the right side of the top of the 1st negative pole blade unit 122
The top left hand of unit 122 is provided with a metal tabs 111, and one is provided with the right side of the top of the 3rd negative pole blade unit 122
Metal tabs 111, by that analogy, i.e., metal tabs 111, even number negative plate are set on the right side of the top of odd number negative pole blade unit 122
The top left hand of unit 122 sets metal tabs 111, so can ensure that all gold on negative plate 120 after the coiling of negative plate 120
Category lug 111 overlaps.
Referring to Fig. 3, positive plate 110 is also classified into n positive pole blade unit 112 from right to left, with the metal on negative plate 120
The set location of lug 111 is opposite, and the top left hand of the odd number positive pole blade unit 112 of positive plate 110 sets metal tabs 111,
Metal tabs 111 are set on the right side of the top of the even number positive pole blade unit 112 of positive plate 110, so not only can ensure that positive plate 110
Metal tabs 111 after coiling on all positive plates 110 overlap, and the metal tabs 111 on positive plate 110 are with bearing
The position that metal tabs 111 on pole piece 120 are set is on the contrary, can make the metal tabs 111 and negative plate 120 on positive plate 110
On metal tabs 111 stagger.
Referring to Fig. 1, new low internal resistance, the soft-package battery 10 of high current also include shell 200, shell 200 is two panels aluminium
Modeling packaging film edge heat-sealing forms, and shell 200 is provided with accommodating cavity(It is not shown), core 100, which is located at, houses cavity
It is interior.
Fig. 5 is the utility model plastic-aluminum packaging film structural representation, and the utility model plastic-aluminum packaging film 300 is general in two panels
The relevant position that logical plastic-aluminum packaging film rushes to stamps out some grooves 310 and formed, and multiple core 100 are placed into lithium ion electrolysis
After being soaked in liquid, it is stacked together, is positioned in groove 310, then by the heat-sealing of two panels plastic-aluminum packaging film 300, after heat-sealing
Groove part on two panels plastic-aluminum packaging film 300 corresponds, and then cuts plastic-aluminum packaging film 300, then forms this practicality
New low internal resistance, high current soft-package battery 10 shell 200, as shown in Figure 1.
Fig. 6 is prior art plastic-aluminum packaging film structural representation, and prior art plastic-aluminum packaging film is will be a piece of aluminum-plastic packaged
Film doubling seals to be formed, and the utility model can improve production efficiency relative to the plastic-aluminum packaging film of prior art.
Further, it is provided with barrier film between positive plate 110 and negative plate 120(It is not shown), the size of barrier film compares positive pole
The size of piece 110 and negative plate 120 is big, to cause barrier film that positive plate 110 and negative plate 120 are isolated entirely from.Specifically, will
Before 120 overlapping coiling of positive plate 110 and negative plate, barrier film is placed between positive plate 110 and negative plate 120 by positive plate 110
Separated with negative plate 120, specifically stack order can be first barrier film is placed on positive plate 110, then will be positioned over again every
On film, positive plate 110, barrier film and negative plate 120 after then stacking are wound into core together.
The new low internal resistance of the utility model, the soft-package battery of high current include multiple core, at the same in each positive plate and
Multiple metal tabs as collector chimb are provided with negative plate, the internal resistance of cell can be reduced, and the utility model is new low
Internal resistance, the soft-package battery of high current are formed by positive plate and the negative plate winding of strip, compared to multiple positive plates and negative
The mode that pole piece stacks, production efficiency can be brought up to from 20 per hour and produce more than 400 per hour, while this practicality is new
Type uses the packaged type of two panels plastic-aluminum packaging film upper-lower heat seal, compared to the mode of a piece of plastic-aluminum packaging film doubling, can also carry
High efficiency.
Above content is only preferred embodiment of the present utility model, is not that any formal limit is done to the utility model
System.Although the utility model is disclosed above with preferred embodiment, any person skilled in the art, this reality is not being departed from
With in new technique aspects, when the technology contents using the disclosure above make a little change or modification, equivalent change is obtained
The equivalent embodiment of change, as long as being without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model pair
Any simple modification, equivalent change and modification that above example is made, still falls within the protection of technical solutions of the utility model
In the range of.
Claims (6)
1. a kind of new low internal resistance, the soft-package battery of high current, it is characterised in that including multiple core, the core is by strip
Positive plate and the negative plate winding of shape forms, and is respectively arranged with the positive plate and negative plate multiple as collector chimb
Metal tabs, after the positive plate and negative plate are wound into the core, the multiple metal tabs on the positive plate and
The multiple metal tabs on addressed negative plate overlap respectively, and described more on the overlapping rear positive plate
Individual metal tabs stagger with the multiple metal tabs on addressed negative plate.
2. new low internal resistance according to claim 1, the soft-package battery of high current, it is characterised in that the core is by institute
State positive plate and negative plate it is overlapping after, by the positive plate and negative plate that overlap winding form.
3. new low internal resistance according to claim 1, the soft-package battery of high current, it is characterised in that the positive plate and
Broken line layer is provided with negative plate, the broken line layer is a plurality of broken line, and a plurality of broken line divides the positive plate and negative plate
Into multiple positive pole blade units and negative pole blade unit, at most set on each positive pole blade unit and each negative pole blade unit
One metal tabs.
4. new low internal resistance according to claim 3, the soft-package battery of high current, it is characterised in that the core is by every
The one positive pole blade unit and each negative plate cells overlap winding form.
5. new low internal resistance according to claim 1, the soft-package battery of high current, it is characterised in that described new low interior
Resistance, the soft-package battery of high current also include shell, and the shell is that the aluminum-plastic packaged film edge heat-sealing of two panels forms, described
Set fluted on two panels plastic-aluminum packaging film, the core is located in the groove.
6. new low internal resistance according to claim 1, the soft-package battery of high current, it is characterised in that the positive plate and
Barrier film is provided between negative plate, the size of the barrier film is bigger than the size of the positive plate and negative plate, with cause it is described every
Film is isolated entirely from the positive plate and negative plate.
Priority Applications (1)
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CN201720847767.7U CN207052710U (en) | 2017-07-13 | 2017-07-13 | A kind of new low internal resistance, the soft-package battery of high current |
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CN201720847767.7U CN207052710U (en) | 2017-07-13 | 2017-07-13 | A kind of new low internal resistance, the soft-package battery of high current |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107275684A (en) * | 2017-07-13 | 2017-10-20 | 范能文 | A kind of new low internal resistance, the soft-package battery structure and preparation method of high current |
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- 2017-07-13 CN CN201720847767.7U patent/CN207052710U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107275684A (en) * | 2017-07-13 | 2017-10-20 | 范能文 | A kind of new low internal resistance, the soft-package battery structure and preparation method of high current |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190713 |
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CF01 | Termination of patent right due to non-payment of annual fee |