CN205177928U - Connection structure of soft package lithium -ion battery utmost point ear - Google Patents
Connection structure of soft package lithium -ion battery utmost point ear Download PDFInfo
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- CN205177928U CN205177928U CN201520830525.8U CN201520830525U CN205177928U CN 205177928 U CN205177928 U CN 205177928U CN 201520830525 U CN201520830525 U CN 201520830525U CN 205177928 U CN205177928 U CN 205177928U
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- contact pin
- lug
- ion battery
- utmost point
- soft package
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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
Abstract
The utility model provides a connection structure of soft package lithium -ion battery utmost point ear belongs to the lithium - ion battery technology field. It has solved the problem that firm degree is low that current lithium ion battery utmost point ear is connected. This connection structure of soft package lithium -ion battery utmost point ear, lithium ion battery include electric core and be laminar utmost point ear, and one side of electric core has splicing, connection structure including utmost point ear one side through the double -layereds groove of buckling and forming, press from both sides the thickness phase -match of width and splicing between the two cell wall inboards in the groove, during splicing was inserted and is pressed from both sides the groove, rethread welding or riveted mode made the tight splicing of two cell walls clamp of pressing from both sides the groove. This connection structure of soft package lithium -ion battery utmost point ear has the advantage that firm degree is high that makes utmost point ear connect.
Description
Technical field
The utility model belongs to technical field of lithium ion, relates to a kind of syndeton of soft package lithium ion cell polar ear.
Background technology
Lithium ion battery is widely used in electronic product, as mobile phone, notebook computer, electric tool etc.Along with the trend that electronic product is lightening, flexible packing lithium ion battery becomes more and more important, and its production capacity and output are also doubled and redoubled, and has greatly the trend replacing traditional 18650 type lithium batteries gradually in fields such as notebook computers.
Lithium ion battery comprises positive pole ear, negative lug and battery core, the side of battery core has positive pole contact pin and negative pole contact pin, positive pole ear is connected mutually with positive pole contact pin, negative lug is connected mutually with negative pole contact pin, and such as Chinese patent literature data discloses tooling for welding multi-core flexible package lithium ion battery cell external-connection lug [application number: 201020698203.X; Authorization Notice No.: CN201997890U], it comprises body, body is provided with the battery core groove for accommodating multi-core flexible package lithium ion battery core and the external lug groove carrying lug for accommodating external lug and battery core, and battery core groove communicates with external lug groove.
Use the lithium ion battery that this kind of welding tooling is processed into, the top of positive pole contact pin is placed in the laminating of positive pole ear part, the laminating of negative lug part is placed on the top of negative pole contact pin, by welding, positive pole ear is connected mutually with positive pole contact pin again, negative lug is connected mutually with negative pole contact pin, by the lithium ion battery that this kind of welding attachment is processed into, positive pole ear or negative lug are when being subject to external force and pulling, positive pole ear is easily separated with positive pole contact pin, negative lug is easily separated with negative pole contact pin, namely the firmness of positive pole ear and positive pole contact pin welding is low, the firmness of negative lug and negative pole contact pin welding is also low.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, proposes a kind of syndeton of soft package lithium ion cell polar ear, solves the firmness how improving lug and connect.
The purpose of this utility model realizes by following technical proposal: a kind of syndeton of soft package lithium ion cell polar ear, lithium ion battery comprises battery core and is laminar lug, the side of battery core has contact pin, it is characterized in that, described syndeton comprises the clip slot of lug side through being bent to form, width between inside described clip slot two cell wall and the thickness of contact pin match, described contact pin is inserted in clip slot, then makes two cell wall pinch tab of clip slot by the mode of welding or riveting.
Lug is made up of the metal material conducting electricity, lug is thinner, and bending is convenient, and the side of lug forms clip slot, contact pin is clamped by clip slot, mode again by welding or riveting makes clip slot pinch tab, thus lug is connected mutually with contact pin, and the existence of clip slot increases the contact area of lug and contact pin, and the existence of clip slot is two-sided being connected when making lug and contact pin by welding or rivet and being connected, the firmness be connected is high, can not come off after lug is connected, good stability.
In the syndeton of above-mentioned a kind of soft package lithium ion cell polar ear, the part after bending first through 90 degree of bendings, then is folded to form clip slot by the side of described lug.Lug is thinner, and bending is convenient, is bent to form a clip slot by twice, easy to operate.
In the syndeton of above-mentioned a kind of soft package lithium ion cell polar ear, described syndeton also comprises adhesive tape, and the side of described adhesive tape is connected mutually with a cell wall of clip slot, and opposite side is connected mutually with battery core.After lug and contact pin are connected, the direction of lug is unfixed, lug is made to be connected in the side of battery core by adhesive tape, and the angle between the part that do not bend of the clip slot of lug and lug is 90, this kind of structure, make lug can stand in the side of battery core, namely the part that do not bend of lug and battery core towards consistent.
In the syndeton of above-mentioned a kind of soft package lithium ion cell polar ear, described contact pin comprises several contact pin unit, the overlapped formation contact pin of several contact pin unit.
Compared with prior art, the syndeton of soft package lithium ion cell polar ear that the utility model provides has the following advantages:
1, the lug of this flexible packing lithium ion battery is bent to form a clip slot by twice, easy to operate, clip slot clamps contact pin makes lug be connected mutually with contact pin by the mode of welding or riveting again, contact area is large, and be two-sided being connected, the firmness be connected is high, and lug can not come off, good stability.
2, this flexible packing lithium ion battery by adhesive tape adjustment lug towards, easy to process, cost is low, and improves the firmness be connected between lug and contact pin.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this soft package lithium ion cell polar ear syndeton.
In figure, 1, battery core; 2, lug; 3, contact pin; 31, contact pin unit; 4, clip slot; 5, adhesive tape.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this flexible packing lithium ion battery comprises battery core 1 and lug 2.
The side of battery core 1 has contact pin 3, and lug 2 is in flake, and lug 2 comprises positive pole ear and negative lug, and contact pin 3 comprises positive pole contact pin and negative pole contact pin, and positive pole ear and positive pole contact pin one_to_one corresponding are arranged, and negative lug and negative pole contact pin one_to_one corresponding are arranged.
Battery core 1 is that winding is formed, battery core 1 inside is in stratiform, and positive pole contact pin comprises several positive pole contact pin unit, and negative pole contact pin comprises several negative pole contact pin unit, the contact pin of several positive pole contact pin unit overlapped formation positive pole, the contact pin of several negative pole contact pin unit overlapped formation negative pole.
Syndeton comprises clip slot 4 and adhesive tape 5, and the part after bending first through 90 degree of bendings, then is folded to form clip slot 4 by the side of lug 2, and namely the side of lug 2 is bent to form clip slot 4 by twice.Width between inside clip slot 4 liang of cell walls is slightly larger than the thickness of contact pin 3, contact pin 3 is inserted in clip slot 4, and the both sides that contact pin 3 is inserted into back stay 3 in clip slot 4 are fitted on the madial wall of two cell walls, in the present embodiment, two cell wall pinch tab 3 of clip slot 4 are made by the mode of welding, in actual production, also can be made two cell wall pinch tab 3 of clip slot 4 by the mode of riveted joint.The side of adhesive tape 5 is connected mutually with the lateral wall of a cell wall of clip slot 4, and opposite side is connected mutually with battery core 1, makes lug 2 be fixed on the side of battery core 1, and make lug 2 towards with battery core 1 towards consistent.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as battery core 1, lug 2, contact pin 3, contact pin unit 31, clip slot 4, adhesive tape 5 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (4)
1. the syndeton of a soft package lithium ion cell polar ear, lithium ion battery comprises battery core (1) and is laminar lug (2), the side of battery core (1) has contact pin (3), it is characterized in that, described syndeton comprises the clip slot (4) of lug (2) side through being bent to form, width between inside described clip slot (4) two cell wall and the thickness of contact pin (3) match, described contact pin (3) is inserted in clip slot (4), mode again by welding or riveting makes two cell wall pinch tab (3) of clip slot (4).
2. the syndeton of a kind of soft package lithium ion cell polar ear according to claim 1, is characterized in that, the part after bending first through 90 degree of bendings, then is folded to form clip slot (4) by the side of described lug (2).
3. the syndeton of a kind of soft package lithium ion cell polar ear according to claim 1, it is characterized in that, described syndeton also comprises adhesive tape (5), the side of described adhesive tape (5) is connected mutually with a cell wall of clip slot (4), and opposite side is connected mutually with battery core (1).
4. the syndeton of a kind of soft package lithium ion cell polar ear according to claim 1 or 2 or 3, it is characterized in that, described contact pin (3) comprises several contact pin unit (31), the overlapped formation contact pin (3) of several contact pin unit (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830525.8U CN205177928U (en) | 2015-10-23 | 2015-10-23 | Connection structure of soft package lithium -ion battery utmost point ear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830525.8U CN205177928U (en) | 2015-10-23 | 2015-10-23 | Connection structure of soft package lithium -ion battery utmost point ear |
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| Publication Number | Publication Date |
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| CN205177928U true CN205177928U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520830525.8U Active CN205177928U (en) | 2015-10-23 | 2015-10-23 | Connection structure of soft package lithium -ion battery utmost point ear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207069A (en) * | 2016-08-30 | 2016-12-07 | 广州梁氏通讯电器有限公司 | A kind of a kind of method that battery and polymer soft electric core are connected in parallel |
| CN110620207A (en) * | 2018-06-19 | 2019-12-27 | 成都市银隆新能源有限公司 | Soft connecting sheet for lithium ion battery and lithium ion battery |
| CN113708018A (en) * | 2021-09-02 | 2021-11-26 | 北京卫蓝新能源科技有限公司 | Composite current collector tab welding structure, welding method and battery |
| CN114597601A (en) * | 2022-03-11 | 2022-06-07 | 上海兰钧新能源科技有限公司 | Lug welding method and battery cell |
-
2015
- 2015-10-23 CN CN201520830525.8U patent/CN205177928U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207069A (en) * | 2016-08-30 | 2016-12-07 | 广州梁氏通讯电器有限公司 | A kind of a kind of method that battery and polymer soft electric core are connected in parallel |
| CN106207069B (en) * | 2016-08-30 | 2018-08-31 | 广州明美新能源有限公司 | A kind of battery and a kind of method that polymer soft electric core is connected in parallel |
| CN110620207A (en) * | 2018-06-19 | 2019-12-27 | 成都市银隆新能源有限公司 | Soft connecting sheet for lithium ion battery and lithium ion battery |
| CN113708018A (en) * | 2021-09-02 | 2021-11-26 | 北京卫蓝新能源科技有限公司 | Composite current collector tab welding structure, welding method and battery |
| CN113708018B (en) * | 2021-09-02 | 2023-10-20 | 北京卫蓝新能源科技有限公司 | Welding structure and welding method for composite current collector tab and battery |
| CN114597601A (en) * | 2022-03-11 | 2022-06-07 | 上海兰钧新能源科技有限公司 | Lug welding method and battery cell |
| CN114597601B (en) * | 2022-03-11 | 2024-03-19 | 上海兰钧新能源科技有限公司 | Electrode lug welding method and battery core |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |