CN201936950U - Battery with coiling power of a plurality of pole pieces - Google Patents
Battery with coiling power of a plurality of pole pieces Download PDFInfo
- Publication number
- CN201936950U CN201936950U CN2011200239423U CN201120023942U CN201936950U CN 201936950 U CN201936950 U CN 201936950U CN 2011200239423 U CN2011200239423 U CN 2011200239423U CN 201120023942 U CN201120023942 U CN 201120023942U CN 201936950 U CN201936950 U CN 201936950U
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- China
- Prior art keywords
- coiling
- plate
- negative
- battery
- positive
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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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- Connection Of Batteries Or Terminals (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model relates to a battery, in particular to a battery with the coiling power of a plurality of pole pieces in batteries. The utility model provides the battery with the coiling power of the pole pieces, which comprises a battery core body, wherein the battery core comprises positive pole pieces and a negative pole piece which are mutually coiled, an insulating and isolating film is arranged between the positive pole pieces and the negative pole piece, the number of the positive pole pieces is at least two, the positive pole pieces are provided with at least one pole ear of a positive pole, the negative pole piece is provided with a pole ear of a negative pole, and the pole ear of the negative pole is positioned at the tail of the negative pole piece. The battery with the coiling power of the pole pieces has the beneficial effects that the positive pole pieces are divided into a plurality of pieces, and the number of the coiled pole pieces only needs to be correspondingly increased, so that the coiling of batteries with different types can be realized, the battery with the coiling power of the pole pieces is beneficial to controlling the uniformity of the weights of the positive pole pieces, and the rate of finished products is enhanced. Moreover, the phenomenon of the defectiveness of the negative pole piece can be avoided.
Description
Technical field
The utility model relates to battery, relates in particular to a kind of multipole coiling electrokinetic cell in the battery.
Background technology
The making of big model coiling electrokinetic cell at present all is by lengthening, widens pole piece and realize, 26650 batteries for example, the size of pole piece has the length of 1.5 ~ 2.0m usually, the width of 56 ~ 58mm, if do the cylindrical battery of larger diameter, for example 32650, then pole piece length will be increased to the length of 2.5 ~ 3m accordingly.The pole piece size of battery is big more, and the difficult more control of pole piece weight consistency, and rate of finished products is difficult to improve, particularly cathode pole piece are easy to generate badly, cause and scrap.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides a kind of multipole coiling electrokinetic cell.
The utility model provides a kind of multipole coiling electrokinetic cell, comprise the battery core body, described battery comprises the positive plate and the negative plate of mutual coiling, be provided with the insulation barrier film between described positive plate and the described negative plate, described positive plate has two at least, described positive plate is provided with at least one positive pole ear, and described negative plate is provided with negative lug, and described negative lug is positioned at the afterbody of described negative plate.
As further improvement of the utility model, be provided with Copper Foil between described negative plate and the described negative lug.
As further improvement of the utility model, the head of described negative plate is provided with negative pole auxiliary material district.
As further improvement of the utility model, described positive plate is provided with anodal auxiliary material district.
As further improvement of the utility model, the area in described negative pole auxiliary material district is greater than the area in described anodal auxiliary material district.
As further improvement of the utility model, described positive pole ear has two at least.
As further improvement of the utility model, described positive pole ear has three.
As further improvement of the utility model, be provided with spacer region between two adjacent described positive plates.
As further improvement of the utility model, at least two described positive plates evenly are provided with at interval.
As further improvement of the utility model, the length of described negative plate is greater than the length of described positive plate.
The beneficial effects of the utility model are: pass through such scheme, positive plate is divided into a plurality of, only need the corresponding quantity that increases the positive plate of reeling, can realize the coiling of different model battery, help controlling the positive plate weight consistency, improve rate of finished products, and can avoid the bad phenomenon of negative plate.
Description of drawings
Fig. 1 is the structural representation of a kind of multipole coiling electrokinetic cell of the utility model;
Fig. 2 is the structural representation of the positive plate of multipole coiling electrokinetic cell described in the utility model;
Fig. 3 is the structural representation of the negative plate of multipole coiling electrokinetic cell described in the utility model.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further specified.
Drawing reference numeral among Fig. 1 to Fig. 3 is: positive plate 1; Positive pole ear 11; Negative plate 2; Negative lug 21; Insulation barrier film 3; Negative pole auxiliary material district 4; Copper Foil 5.
Extremely shown in Figure 5 as Fig. 1, a kind of multipole coiling electrokinetic cell, comprise the battery core body, described battery comprises the positive plate 1 and the negative plate 2 of mutual coiling, be provided with insulation barrier film 3 between described positive plate 1 and the described negative plate 2, it is described positive plate 1, the stacked mutually and coiling of insulation barrier film 3 and negative plate 2, described positive plate 1 has two at least, be that described positive plate 1 has a plurality of, described positive plate 1 is provided with at least one positive pole ear 11, described negative plate 2 is provided with negative lug 21, and described negative lug 21 is positioned at the afterbody of described negative plate 2, wherein, the positive pole ear 11 of described positive plate 1 can have a plurality of, also can be positioned at any one position of positive plate 1, and the negative lug 21 of negative plate 2 is only there being one, and can only be positioned at the afterbody of negative plate 2.
To shown in Figure 5, be provided with Copper Foil 5 between described negative plate 2 and the described negative lug 21 as Fig. 1, described Copper Foil 5 is the Copper Foil clear area.
To shown in Figure 5, the head of described negative plate 2 is provided with negative pole auxiliary material district 4 as Fig. 1.
To shown in Figure 5, described positive plate 1 is provided with anodal auxiliary material district as Fig. 1.
To shown in Figure 5, the area in described negative pole auxiliary material district 4 is greater than the area in described anodal auxiliary material district as Fig. 1.
To shown in Figure 5, described positive pole ear 11 has two at least as Fig. 1.
To shown in Figure 5, described positive pole ear 11 preferably has three as Fig. 1.
To shown in Figure 5, be provided with spacer region between two adjacent described positive plates 1 as Fig. 1.
To shown in Figure 5, at least two described positive plates 1 evenly are provided with at interval as Fig. 1.
To shown in Figure 5, the length of described negative plate 2 is greater than the length of described positive plate 1 as Fig. 1.
A kind of multipole coiling electrokinetic cell that the utility model provides, by a plurality of positive plates 1, negative plate 2 is reeled, to positive plate 1, negative plate 2 length dimensions carry out standardization, positive plate 1 when having improved coating, the qualification rate that negative plate 2 is produced, make the battery of different model size, only need the corresponding winding positive electrode sheet 1 that increases, negative plate 2 quantity, perhaps to standardized positive plate 1, negative plate 2 is cut different width and is got final product, to realizing standardized positive plate 1, negative plate 2, stepping by weight, select the positive plate 1 of battery, negative plate 2 carries out reasonably combined, thereby the consistency that guarantees battery capacity distributes.Wherein, the positive pole ear 11 of positive plate 1 can stretch out in the optional position in the positive plate 1, and can have a positive pole ear 11 at least with a plurality of positive pole ears 11.Along with the increase of positive pole ear 11 quantity, the internal resistance of battery is reduced accordingly.And the negative lug 21 of negative plate 2 can only be positioned at its afterbody.The area in the length of negative plate 2 and negative pole auxiliary material district 4 all is greater than positive plate 1.When reeling, behind reeled first positive plate 1, negative plate 2, roll up negative plate 2 earlier, after utilizing Copper Foil 5 that the negative pole auxiliary material district 4 of second negative plate 2 heads covers article one negative plate 2 and negative lug 21 places, putting into positive plate 1 again reels, the method of this coiling meets the principle of lithium ion battery design: have anodal auxiliary material district that negative pole auxiliary material district 4 just must be arranged where, just can not cause lithium ion to separate out to the lithium metal with Copper Foil 5 places in negative lug 21, cause potential safety hazard.For the method for winding of N bar positive/negative plate, with the one or two positive plate 1, negative plate 2.
A kind of multipole coiling electrokinetic cell that the utility model provides, positive plate 1 can be with one or more positive pole ears 11, and the position can arbitrarily be adjusted.The length in negative pole auxiliary material district 4 is greater than the length in anodal auxiliary material district, by rational method for winding, makes the place that anodal auxiliary material district does not have negative pole auxiliary material district can not occur in the follow-up pole piece coiling, can avoid producing potential safety hazard.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. multipole coiling electrokinetic cell, it is characterized in that: comprise the battery core body, described battery comprises the positive plate (1) and the negative plate (2) of mutual coiling, be provided with insulation barrier film (3) between described positive plate (1) and the described negative plate (2), described positive plate (1) has two at least, described positive plate (1) is provided with at least one positive pole ear (11), described negative plate (2) is provided with negative lug (21), and described negative lug (21) is positioned at the afterbody of described negative plate (2).
2. multipole coiling electrokinetic cell according to claim 1 is characterized in that: be provided with Copper Foil (5) between described negative plate (2) and the described negative lug (21).
3. multipole coiling electrokinetic cell according to claim 1 is characterized in that: the head of described negative plate (2) is provided with negative pole auxiliary material district (4).
4. multipole coiling electrokinetic cell according to claim 3 is characterized in that: described positive plate (1) is provided with anodal auxiliary material district.
5. multipole coiling electrokinetic cell according to claim 4 is characterized in that: the area in described negative pole auxiliary material district (4) is greater than the area in described anodal auxiliary material district.
6. multipole coiling electrokinetic cell according to claim 1 is characterized in that: described positive pole ear (11) has two at least.
7. multipole coiling electrokinetic cell according to claim 6 is characterized in that: described positive pole ear (11) has three.
8. multipole coiling electrokinetic cell according to claim 1 is characterized in that: be provided with spacer region between adjacent two described positive plates (1).
9. multipole coiling electrokinetic cell according to claim 1 is characterized in that: at least two described positive plates (1) evenly are provided with at interval.
10. multipole coiling electrokinetic cell according to claim 1 is characterized in that: the length of described negative plate (2) is greater than the length of described positive plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200239423U CN201936950U (en) | 2011-01-25 | 2011-01-25 | Battery with coiling power of a plurality of pole pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200239423U CN201936950U (en) | 2011-01-25 | 2011-01-25 | Battery with coiling power of a plurality of pole pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936950U true CN201936950U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200239423U Expired - Fee Related CN201936950U (en) | 2011-01-25 | 2011-01-25 | Battery with coiling power of a plurality of pole pieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936950U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362281A (en) * | 2014-10-13 | 2015-02-18 | 珠海市鹏辉电池有限公司 | Single cell of high-voltage lithium ion battery and preparation method of single cell |
| CN106169618A (en) * | 2016-09-29 | 2016-11-30 | 东莞市振华新能源科技有限公司 | A kind of positive/negative plate promoting electrokinetic cell safety and winding clad structure thereof |
| CN111066187A (en) * | 2017-08-21 | 2020-04-24 | 株式会社村田制作所 | Battery, battery pack, electronic device, electric vehicle, power storage device, and power system |
| CN116565294A (en) * | 2023-06-01 | 2023-08-08 | 淮北市千锂鸟新能源科技有限公司 | Manufacturing method of multipolar lug cylindrical lithium ion battery cell and battery |
| CN116565294B (en) * | 2023-06-01 | 2024-06-04 | 淮北市千锂鸟新能源科技有限公司 | Manufacturing method of multipolar lug cylindrical lithium ion battery cell and battery |
-
2011
- 2011-01-25 CN CN2011200239423U patent/CN201936950U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362281A (en) * | 2014-10-13 | 2015-02-18 | 珠海市鹏辉电池有限公司 | Single cell of high-voltage lithium ion battery and preparation method of single cell |
| CN106169618A (en) * | 2016-09-29 | 2016-11-30 | 东莞市振华新能源科技有限公司 | A kind of positive/negative plate promoting electrokinetic cell safety and winding clad structure thereof |
| CN111066187A (en) * | 2017-08-21 | 2020-04-24 | 株式会社村田制作所 | Battery, battery pack, electronic device, electric vehicle, power storage device, and power system |
| CN116565294A (en) * | 2023-06-01 | 2023-08-08 | 淮北市千锂鸟新能源科技有限公司 | Manufacturing method of multipolar lug cylindrical lithium ion battery cell and battery |
| CN116565294B (en) * | 2023-06-01 | 2024-06-04 | 淮北市千锂鸟新能源科技有限公司 | Manufacturing method of multipolar lug cylindrical lithium ion battery cell and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |