CN205335371U - High multiplying power lithium ion battery - Google Patents
High multiplying power lithium ion battery Download PDFInfo
- Publication number
- CN205335371U CN205335371U CN201620078256.9U CN201620078256U CN205335371U CN 205335371 U CN205335371 U CN 205335371U CN 201620078256 U CN201620078256 U CN 201620078256U CN 205335371 U CN205335371 U CN 205335371U
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- core
- copper foil
- lithium ion
- ion battery
- multiplying power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a high multiplying power lithium ion battery, including cell ontology, wherein cell ontology is including rolling up a core, rolls up one end protrusion aluminium foil end of core, rolls up another protrusion copper foil end of core, and aluminium foil end and copper foil end are the rugosity respectively, and aluminium foil end and copper foil end welding respectively have anodal ear and negative pole ear, and book core, aluminium foil are held and the copper foil is held and is whole encapsulation, and beneficial effect is: forming the battery structure of multipolar ear through the back corner cut of coiling earlier, comparing the multipolar ear cell manufacturing of lamination, production efficiency improves greatly, has also solved the safety problem that the individual layer slided and appears in the lamination technology application process in addition, compares the mode that the pole piece was coiled behind the die -cut utmost point ear earlier simultaneously, the degree of difficulty greatly reduced of pole piece preparation.
Description
Technical field
This utility model is specifically related to a kind of high multiplying power lithium ion battery。
Background technology
The structure of current multi pole ears high-multiplying-power battery is mainly two kinds:
1, each monolithic electrode on battery body has lug to export, and is superimposed by multi-piece electrode, it is achieved the high-multiplying-power battery of multi pole ears；
2, pole piece first passes through the die-cut foil of spacing and forms lug, and pole piece becomes core by winder winding, it is ensured that the output that is superimposed of the die-cut lug of pole piece realizes multi pole ears high-multiplying-power battery。
Above two production technology Shortcomings part: the safety problem that in lamination process application process, monolayer slip occurs, the difficulty that pole piece makes is big；In addition, it is necessary to film-making complete after pole piece is also performed to die-cut lug, increase the difficulty that winding is made, it is necessary to special multi pole ears up-coiler produces, and also requires that the para-position of lug during winding, cause production cost high and manufacturing process is complicated。
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, it is provided that the high multiplying power lithium ion battery that a kind of manufacture difficulty is low and production cost is low。
This utility model describes a kind of high multiplying power lithium ion battery, including battery body, wherein battery body includes core, one of core protrudes AL-foil, Copper Foil end is protruded in the other end of core, AL-foil and Copper Foil end are respectively in rugosity, and AL-foil and Copper Foil end are respectively welded anode ear and negative electrode lug, and core, AL-foil and Copper Foil end are overall package。
Concrete further, four corners of described core are provided with recess。
Concrete further, described anode ear and negative electrode lug are respectively in double-fold。
Concrete further, described core includes aluminium foil layer and copper foil layer, aluminium foil layer and the mutual superposition of Copper Foil end layer rolling and forms。
Concrete further, described core is in side's shape。
Concrete further, the size of described AL-foil and Copper Foil end is suitable with the size of anode ear and negative electrode lug respectively。
Concrete further, described anode ear and negative electrode lug are respectively equipped with contact chip。
Concrete further, described contact chip is in side's shape。
The beneficial effects of the utility model are: 1, the battery structure of multi pole ears is become by first winding rear cutout dihedral, compare the multi pole ears battery manufacture of lamination, production efficiency is greatly improved, additionally also solve the safety problem that in lamination process application process, monolayer slip occurs, the mode wound after simultaneously comparing pole piece first die-cut lug, the difficulty that pole piece makes is substantially reduced, need not film-making complete after pole piece is also performed to die-cut lug, the difficulty that winding is made is greatly reduced, need not produce by special multi pole ears up-coiler, the para-position of lug when also not requiring to wind, it is substantially reduced production cost；
2, this battery body every layer has lug to export, and anode ear, negative electrode lug big microtia size can be controlled by follow-up corner cut technique, and the large current discharging capability of battery is very prominent, and battery can be widely applied on electric automobile, unmanned plane。
Accompanying drawing explanation
Fig. 1 is the structural representation of coiling process state of the present utility model。
Fig. 2 is the structural representation of corner cut machining state of the present utility model。
Fig. 3 is the structural representation of super welding electrode ear machining state of the present utility model。
Fig. 4 is the structural representation of top side seal machining state of the present utility model。
Fig. 5 is the structural representation of two envelope flanging machining states of the present utility model。
Fig. 6 is the structural representation of flanging step machining state of the present utility model。
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model。
As shown in Figures 1 to 6, this utility model describes a kind of high multiplying power lithium ion battery, including battery body, wherein battery body includes core 3, one of core protrudes AL-foil 1, and Copper Foil end 2 is protruded in the other end of core, and AL-foil 1 and Copper Foil end 2 are respectively in rugosity, AL-foil 1 and Copper Foil end 2 are respectively welded anode ear 4 and negative electrode lug 5, and core, AL-foil and Copper Foil end are overall package。
Concrete further, four corners of described core 3 are provided with recess 301。
Concrete further, described anode ear 4 and negative electrode lug 5 are respectively in double-fold。
Concrete further, described core 3 includes aluminium foil layer and copper foil layer, aluminium foil layer and the mutual superposition of Copper Foil end layer rolling and forms。
Concrete further, described core 3 is in side's shape。
Concrete further, the size of described AL-foil 1 and Copper Foil end 2 is suitable with the size of anode ear 4 and negative electrode lug 5 respectively, it is simple to anode ear 4 is connected with AL-foil 1 and Copper Foil end 2 respectively with negative electrode lug 5。
Concrete further, described anode ear 4 and negative electrode lug 5 are respectively equipped with contact chip, described contact chip is in side's shape, and wherein contact chip can allow increases extraneous contact area, forms better conductive effect。
Being produced as follows of high multiplying power lithium ion battery: winding steps: positive plate is monolateral stays AL-foil 1, negative plate is monolateral stays Copper Foil end 2, is coiled into core 3 by winder winding, makes core 3 become one and protrudes AL-foil 1, and Copper Foil end 2 is protruded in other end；The four of core corners are excised by corner cut step: by cut or cross cutting, make the AL-foil 1 exposing out and Copper Foil end 2 become anode ear 4 and the negative electrode lug 5 of electric current extraction；Pre-bend step: the AL-foil 1 exposed and Copper Foil end 2 are fixed by super weldering mode, and pre-bended after folding；Super welding electrode ear step: the AL-foil 1 exposed surpasses, after folding, anode ear 4 of burn-oning, the Copper Foil end 2 exposed surpasses, after folding, negative electrode lug 5 of burn-oning；Top side seal step: owing to anode ear 4 and negative electrode lug 5 be not in battery core scope of subject, closedtop technique is constant, side seal is the edge seal from anode ear and negative pole；Two envelope steps: the two same side seals of envelope, are packaged from the edge of the anode ear 4 of opposite side or negative electrode lug 5；Flanging step: flanging adopts the mode of double-fold that anode ear 4 and negative electrode lug 5 are rolled over edge in battery core again；Molding is prepared through above-mentioned steps。Wherein super weldering refers to ultrasonic bonding。
This utility model becomes the battery body of multi pole ears by first winding rear cutout dihedral, compare the multi pole ears battery manufacture of lamination, production efficiency is greatly improved, additionally also solve the safety problem that in lamination process application process, monolayer slip occurs, the mode wound after simultaneously comparing pole piece first die-cut lug, the difficulty that pole piece makes is substantially reduced, need not film-making complete after pole piece is also performed to die-cut lug, the difficulty that winding is made is greatly reduced, need not produce by special multi pole ears up-coiler, the para-position of lug when also not requiring to wind；This battery structure every layer has lug to export, and anode ear 4, negative electrode lug 5 size can be controlled by follow-up corner cut technique, and the large current discharging capability of battery is very prominent, and battery can be widely applied on electric automobile, unmanned plane。
On be only preferred embodiment of the present utility model, not in order to limit this utility model, all make within spirit of the present utility model and principle any amendment, equivalent replace or improvement etc., should be included within protection domain of the present utility model。
Claims (8)
1. a high multiplying power lithium ion battery, including battery body, it is characterized in that: battery body includes core (3), one of core protrudes AL-foil (1), Copper Foil end (2) is protruded in the other end of core, AL-foil (1) and Copper Foil end (2) are respectively in rugosity, AL-foil (1) and Copper Foil end (2) are respectively welded anode ear (4) and negative electrode lug (5), and core, AL-foil and Copper Foil end are overall package。
2. high multiplying power lithium ion battery according to claim 1, it is characterised in that: four corners of described core (3) are provided with recess (301)。
3. high multiplying power lithium ion battery according to claim 1, it is characterised in that: described anode ear (4) and negative electrode lug (5) are respectively in double-fold。
4. high multiplying power lithium ion battery according to claim 1, it is characterised in that: described core (3) includes aluminium foil layer and copper foil layer, aluminium foil layer and the mutual superposition of Copper Foil end layer rolling and forms。
5. the high multiplying power lithium ion battery according to claim 1 or 4, it is characterised in that: described core (3) is in side's shape。
6. high multiplying power lithium ion battery according to claim 1, it is characterised in that: the size of described AL-foil (1) and Copper Foil end (2) is suitable with the size of anode ear (4) and negative electrode lug (5) respectively。
7. high multiplying power lithium ion battery according to claim 1, it is characterised in that: described anode ear (4) and be respectively equipped with contact chip on negative electrode lug (5)。
8. high multiplying power lithium ion battery according to claim 7, it is characterised in that: described contact chip is in side's shape。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078256.9U CN205335371U (en) | 2016-01-26 | 2016-01-26 | High multiplying power lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078256.9U CN205335371U (en) | 2016-01-26 | 2016-01-26 | High multiplying power lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN205335371U true CN205335371U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620078256.9U Active CN205335371U (en) | 2016-01-26 | 2016-01-26 | High multiplying power lithium ion battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552428A (en) * | 2016-01-26 | 2016-05-04 | 中山市众旺德新能源科技有限公司 | Manufacturing method for high-rate lithium ion battery, and high-rate lithium ion battery |
| CN108336286A (en) * | 2018-03-26 | 2018-07-27 | 珠海格力电器股份有限公司 | Large soft package lithium ion battery and preparation method thereof |
-
2016
- 2016-01-26 CN CN201620078256.9U patent/CN205335371U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552428A (en) * | 2016-01-26 | 2016-05-04 | 中山市众旺德新能源科技有限公司 | Manufacturing method for high-rate lithium ion battery, and high-rate lithium ion battery |
| CN105552428B (en) * | 2016-01-26 | 2018-01-09 | 中山市众旺德新能源科技有限公司 | A kind of preparation method of high multiplying power lithium ion battery |
| CN108336286A (en) * | 2018-03-26 | 2018-07-27 | 珠海格力电器股份有限公司 | Large soft package lithium ion battery and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 Guangdong province Zhongshan Nanlang Town Industrial Park, East Fork cart No. 3 building one or two floor area Patentee after: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 528400 Guangdong city of Zhongshan province Tsuiheng the park road near the business premises of a city building LH20 room Patentee before: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 factory buildings 2, 3 and 4, Dongya area, Dazhe Industrial Park, Nanlang street, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 1 / F and 2 / F, No.3 workshop, Dongya area, dache Industrial Park, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee before: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |