CN204966576U - Bipolar ear polymer high magnification battery - Google Patents
Bipolar ear polymer high magnification battery Download PDFInfo
- Publication number
- CN204966576U CN204966576U CN201520568842.7U CN201520568842U CN204966576U CN 204966576 U CN204966576 U CN 204966576U CN 201520568842 U CN201520568842 U CN 201520568842U CN 204966576 U CN204966576 U CN 204966576U
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- China
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- core
- ear
- negative electrode
- negative pole
- anode ear
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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 discloses a bipolar ear polymer high magnification battery, including first volume core, first anodal ear, first negative pole ear, second book core, the anodal ear of second and second negative pole ear, first anodal ear and first negative pole ear are drawn forth from the positive plate of first volume core and negative pole piece respectively, and the anodal ear of second and second negative pole ear follow second are respectively drawn forth in rolling up positive plate and the negative pole piece in the core, first volume core and second book core parallel configuration, just the anodal ear of first anodal ear and second contacts, and first negative pole ear and second negative pole ear contact. Directly draw forth the first anodal ear of two overlappings, the anodal ear of second, the first negative pole ear and the second negative pole of two overlappings are had burning ears to seal and are taken shape, and because of there not being the ultrasonic wave solder joint of switchoverring, internal resistance of cell obviously reduces, does not exist when the multiplying power is discharged to weld junction temperature and cross the high heat generation phenomenon, and production efficiency has and promotes by a wide margin.
Description
Technical field
The utility model relates to the technical field of high multiplying polymer battery, particularly relates to a kind of Double-pole lug polymer high-multiplying-power battery.
Background technology
Usual lithium ion battery is by battery case, battery pack, rebound, baffle, and discharge and recharge combination of outlets forms.Lithium ion battery is made generally in cylindrical and square, by positive/negative plate, barrier film, electrolyte, the compositions such as shell, pole piece is made up of active material, conductive agent, additive and collector etc., and collector is generally dimensional metal mesh or two-dimensional metallic net, punch metal band, positive/negative plate by with lug spot welding be connected to shell positive and negative extreme on.Conventional lug lead-out mode adopts negative and positive lug homonymy lead-out mode.During charging electric current through positive pole ear, plus plate current-collecting body, cathode film, negative electrode film, negative current collector, from negative lug derive, then direction of discharging is contrary.
Because use occasion limits battery structure, some battery length-width ratios are 3: 1 even larger.Common lithium ion cell polar ear lead-out mode is homonymy, but during the battery high power charging-discharging of homonymy lug, battery-heating is serious, and multiplying power and cycle performance are not good.Need to improve battery structure for this reason, reduce the internal resistance of cell, reduce battery-heating, improve battery high rate performance.
So, be " CN200720106937.2 " at Chinese utility model patent application number, disclose a kind of reasonable in design in the patent document that patent name is " a kind of high multiplying power lithium ion battery ", structure is simple, during high power charging-discharging, caloric value is low, a kind of high multiplying power lithium ion battery that multiplying power and cycle performance improve.The utility model main technical schemes is: in battery list bag, the battery monomer stacked together successively by plus plate current-collecting body, cathode film, barrier film, negative electrode film, negative current collector, several monolithic spot welding parallel connections are a battery list bag, the positive pole ear being arranged on plus plate current-collecting body one end is incorgruous with the negative lug being arranged on negative current collector one end, and positive pole ear and negative lug are drawn from battery two ends.
But the caloric value of the lithium ion battery in this utility model in concrete use procedure many times all can not produce a desired effect, so can not obtain applying very widely always.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides the Double-pole lug polymer high-multiplying-power battery that a kind of structure is simple, internal resistance obviously reduces.
In order to achieve the above object, a kind of Double-pole lug polymer of the utility model high-multiplying-power battery, comprises the first core, the first anode ear, the first negative electrode lug, the second core, the second anode ear and the second negative electrode lug; Described first anode ear and the first negative electrode lug are drawn respectively from the positive plate of the first core and negative plate, and described second anode ear and the second negative electrode lug are drawn respectively from the positive plate the second core and negative plate; Described first core and the second core laid out in parallel, and the first anode ear and the second anode ear contact, the first negative electrode lug and the second negative electrode lug contact.
Wherein, described first core and the second core are coated with the first tab and the second tab respectively, described first tab is coated in the intersection that the first anode ear and the first negative electrode lug protrude from positive plate and negative plate respectively, and described second tab is coated in the intersection that the second anode ear and the second negative electrode lug protrude from positive plate and negative plate respectively.
Wherein, described first tab and the second tab are black tab, and black tab bandwidth is 5mm, and it is 2mm that arc extends shoulder breadth, and thickness is 0.1mm.
Wherein, this high-multiplying-power battery also comprises high tempreture tape, and one end of described high tempreture tape is bonded in the first core, and the other end of described high tempreture tape is bonded in the second core, and described first core is fixedly connected with by many described high tempreture tapes with the second core.
Wherein, this high-multiplying-power battery also comprises aluminum plastic membrane shell, described aluminum plastic membrane shell encloses the cavity forming accommodating first core and the second core, and described first anode ear, the first negative electrode lug, the second anode ear and the second negative electrode lug stretch out respectively from aluminum plastic membrane shell.
The beneficial effects of the utility model are:
Compared with prior art, Double-pole lug polymer high-multiplying-power battery of the present utility model is transferred without ultrasonic wave again and is drawn single positive and negative lug mode, the first anode ear that direct extraction two is overlapping, second anode ear, article two, the first overlapping negative electrode lug and the heat-sealing of the second negative electrode lug are shaped, and because there is not ultrasonic wave switching solder joint, the internal resistance of cell obviously reduces, there is not temperature at weld too high fever phenomenon during multiplying power discharging, production efficiency has and significantly promotes.The utility model structure is simple, is easy to realize, and is suitable for being widely used in the production process of high-multiplying-power battery.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model without the Double-pole lug polymer high-multiplying-power battery of aluminum plastic membrane shell;
Fig. 2 is the structure chart of the Double-pole lug polymer high-multiplying-power battery of the utility model band aluminum plastic membrane shell.
Main element symbol description is as follows:
10, the first core 11, second core
12, the first tab 13, second tab
14, high tempreture tape 15, aluminum plastic membrane shell
16, the first anode ear 17, first negative electrode lug
18, the second anode ear 19, second negative electrode lug.
Embodiment
In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Consult Fig. 1, a kind of Double-pole lug polymer of the utility model high-multiplying-power battery, comprises the first core 10, first anode ear 16, first negative electrode lug 17, second core 11, second anode ear 18 and the second negative electrode lug 19; First anode ear 16 and the first negative electrode lug 17 are drawn respectively from the positive plate of the first core 10 and negative plate, second anode ear 18 and the second negative electrode lug 19 are drawn respectively from the positive plate the second core 11 and negative plate, first core 10 and the second core 11 laid out in parallel, and the first anode ear 16 and the second anode ear 18 contact, the first negative electrode lug 17 and the second negative electrode lug 19 contact.
Compared to prior art, Double-pole lug polymer high-multiplying-power battery of the present utility model, transfer again without ultrasonic wave and draw single positive and negative lug mode, the first anode ear 16, second anode ear 18 that directly extraction two is overlapping, article two, the first overlapping negative electrode lug 17 and the heat-sealing of the second negative electrode lug 19 are shaped, because there is not ultrasonic wave switching solder joint, the internal resistance of cell obviously reduces, there is not temperature at weld too high fever phenomenon during multiplying power discharging, production efficiency has and significantly promotes.The utility model structure is simple, is easy to realize, and is suitable for being widely used in the production process of high-multiplying-power battery.
In the present embodiment, first core 10 and the second core 11 are coated with the first tab 12 and the second tab 13 respectively, first tab 12 is coated in the intersection that the first anode ear 16 and the first negative electrode lug 17 protrude from positive plate and negative plate respectively, and the second tab 13 is coated in the intersection that the second anode ear 18 and the second negative electrode lug 19 protrude from positive plate and negative plate respectively.First tab 12 and the second tab 13 are black tab, and black tab bandwidth is 5mm, and it is 2mm that arc extends shoulder breadth, and thickness is 0.1mm.To achieve between lug with pole piece stable is connected for tab, is conducive to the heat-sealing operation that lug is follow-up.
In the present embodiment, this high-multiplying-power battery also comprises high tempreture tape 14, one end of high tempreture tape 14 is bonded in the first core 10, and the other end of high tempreture tape 14 is bonded in the second core 11, and the first core 10 is fixedly connected with by many high tempreture tapes 14 with the second core 11.Certainly; the utility model is not limited to the bonding mode using this kind of high tempreture tape 14; also can directly high tempreture tape 14 be enclosed within outside the first core 10 and the second core 11; as long as the mode be fixedly connected with between the first core 10 and the second core 11 can be realized; all belong to simple deformation and the conversion of this programme, protection range of the present utility model should be fallen into.
Consult Fig. 2 further, in the present embodiment, this high-multiplying-power battery also comprises aluminum plastic membrane shell 15, aluminum plastic membrane shell 15 encloses the cavity forming accommodating first core 10 and the second core 11, and the first anode ear 16, first negative electrode lug 17, second anode ear 18 and the second negative electrode lug 19 stretch out respectively from aluminum plastic membrane shell 15.The heat seal condition setting of aluminum plastic membrane shell 15: heat-sealing welding machine upper cover temperature 215 ± 5 DEG C, bottom head temperature 270 ± 5 DEG C, encapsulation pressure 0.4MPa, packaging time 4s.The heat-sealing operation of aluminum plastic membrane shell 15 makes the isolation of the first core 10, second core 11 and external environment.Avoid the phenomenon occurring leakage.
Advantage of the present utility model is:
1, the utility model structure is simple, is easy to realize, and is suitable for being widely used in the production process of high-multiplying-power battery;
2, to achieve between lug with pole piece stable is connected for tab, is conducive to the heat-sealing operation that lug is follow-up;
3, the heat-sealing operation of aluminum plastic membrane shell 15 makes the isolation of the first core 10, second core 11 and external environment.Avoid the phenomenon occurring leakage.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (5)
1. a Double-pole lug polymer high-multiplying-power battery, is characterized in that, comprises the first core, the first anode ear, the first negative electrode lug, the second core, the second anode ear and the second negative electrode lug; Described first anode ear and the first negative electrode lug are drawn respectively from the positive plate of the first core and negative plate, and described second anode ear and the second negative electrode lug are drawn respectively from the positive plate the second core and negative plate; Described first core and the second core laid out in parallel, and the first anode ear and the second anode ear contact, the first negative electrode lug and the second negative electrode lug contact.
2. Double-pole lug polymer high-multiplying-power battery according to claim 1, it is characterized in that, described first core and the second core are coated with the first tab and the second tab respectively, described first tab is coated in the intersection that the first anode ear and the first negative electrode lug protrude from positive plate and negative plate respectively, and described second tab is coated in the intersection that the second anode ear and the second negative electrode lug protrude from positive plate and negative plate respectively.
3. Double-pole lug polymer high-multiplying-power battery according to claim 2, is characterized in that, described first tab and the second tab are black tab, and black tab bandwidth is 5mm, and it is 2mm that arc extends shoulder breadth, and thickness is 0.1mm.
4. Double-pole lug polymer high-multiplying-power battery according to claim 1, it is characterized in that, this high-multiplying-power battery also comprises high tempreture tape, one end of described high tempreture tape is bonded in the first core, the other end of described high tempreture tape is bonded in the second core, and described first core is fixedly connected with by many described high tempreture tapes with the second core.
5. Double-pole lug polymer high-multiplying-power battery according to claim 1, it is characterized in that, this high-multiplying-power battery also comprises aluminum plastic membrane shell, described aluminum plastic membrane shell encloses the cavity forming accommodating first core and the second core, and described first anode ear, the first negative electrode lug, the second anode ear and the second negative electrode lug stretch out respectively from aluminum plastic membrane shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568842.7U CN204966576U (en) | 2015-10-26 | 2015-10-26 | Bipolar ear polymer high magnification battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568842.7U CN204966576U (en) | 2015-10-26 | 2015-10-26 | Bipolar ear polymer high magnification battery |
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| Publication Number | Publication Date |
|---|---|
| CN204966576U true CN204966576U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520568842.7U Expired - Fee Related CN204966576U (en) | 2015-10-26 | 2015-10-26 | Bipolar ear polymer high magnification battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252540A (en) * | 2016-08-31 | 2016-12-21 | 谢振华 | The structure of a kind of flexible-packed battery and manufacture method |
| CN106654139A (en) * | 2017-01-03 | 2017-05-10 | 曙鹏科技（深圳）有限公司 | Tab and electrode piece adapter coupling structure, battery cell and manufacturing method thereof |
| CN115189100A (en) * | 2022-09-06 | 2022-10-14 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device, and electric device |
-
2015
- 2015-10-26 CN CN201520568842.7U patent/CN204966576U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252540A (en) * | 2016-08-31 | 2016-12-21 | 谢振华 | The structure of a kind of flexible-packed battery and manufacture method |
| CN106252540B (en) * | 2016-08-31 | 2019-04-23 | 谢振华 | A kind of structure and manufacturing method of flexible-packed battery |
| CN106654139A (en) * | 2017-01-03 | 2017-05-10 | 曙鹏科技（深圳）有限公司 | Tab and electrode piece adapter coupling structure, battery cell and manufacturing method thereof |
| CN115189100A (en) * | 2022-09-06 | 2022-10-14 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device, and electric device |
| CN115189100B (en) * | 2022-09-06 | 2023-08-22 | 宁德新能源科技有限公司 | Electrode assembly, electrochemical device and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Sanhe Chaoyang Science and Technology Co., Ltd. Address before: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: SUNHE ENERGY COMPANY LIMITED |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20191026 |