CN202695643U - Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof - Google Patents
Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof Download PDFInfo
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- CN202695643U CN202695643U CN2012202280821U CN201220228082U CN202695643U CN 202695643 U CN202695643 U CN 202695643U CN 2012202280821 U CN2012202280821 U CN 2012202280821U CN 201220228082 U CN201220228082 U CN 201220228082U CN 202695643 U CN202695643 U CN 202695643U
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- ion battery
- pole 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
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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 discloses a lithium-ion battery rolling core structure battery cell which comprises an anode main pole lug, a cathode main pole lug, an anode sheet, and a cathode sheet, wherein coating layers are respectively arranged on the surface of the anode sheet and the surface of the cathode sheet, hot melting glue is arranged on the anode main pole lug and the cathode main pole lug, the anode main pole lug is arranged on the edge end of the anode sheet in attaching mode, an anode vice pole lug is arranged on the other end of the anode sheet, the cathode main pole lug is arranged on the edge of the cathode sheet in attaching mode, a cathode vice pole lug is arranged on the other end of the cathode sheet, and the anode sheet and the cathode sheet are wound in overlapping mode. The utility model further discloses a lithium-ion battery of the lithium-ion battery rolling core structure battery cell. The lithium-ion battery rolling core structure battery cell and the lithium-ion battery including the same have the advantages that the distance between the tail end of an electrode sheet and the pole lug is shortened by forming battery core with a structure of multiple pole lugs, and thereby power performance of a battery is improved, large current electro-discharge and electro-charge aims are achieved, and the lithium-ion battery rolling core structure battery cell and the lithium-ion battery including the same is suitable for manufacturing of a flexible packaging lithium-ion battery which has demands of monomer large capacity and power performance.
Description
Technical field
The utility model relates to technical field of lithium ion, is specifically related to a kind of lithium ion battery coil core structure battery core and lithium ion battery thereof.
Background technology
Lithium ion battery from last century the nineties accomplish scale production one;, present stage such as capacity large, nontoxic environment, long service life little with volume unrivaled advantage; captured rapidly many field of batteries, especially be widely used on the various portable type electronic products.Renewal and development along with science and technology, market is more and more higher to the requirement of portable type electronic product, to the also corresponding raising of requirement of its power supply: thinner, lighter, more high-energy-density, arbitrary shape, more high power density is the developing direction of portable type electronic product battery.Because lithium ion battery has higher energy density and discharge power than Ni-MH battery, higher to the requirement of battery at a lot of electronic toys, mainly be that the operating current of electronic ship model toy is larger, common lithium ion battery generally is difficult to satisfy the demands.Now a lot of battery producers all adopt monolithic lamination mode on the battery core of battery, can discharge the capacity of battery itself when the heavy-current discharge to guarantee battery, but hang down two to three times than the efficient of winding battery because of the efficient of laminated batteries.
The utility model content
The purpose of this utility model is: for solving above-mentioned the deficiencies in the prior art, the utility model provides a kind of lithium ion battery coil core structure battery core and lithium ion battery thereof of effective lifting lithium ion high current charge-discharge power-performance.
For realizing above-mentioned purpose, the technical solution of the utility model is;
A kind of lithium ion battery coil core structure battery core comprises positive and negative electrode main pole ear, positive and negative plate, described positive and negative plate surface is respectively with coating, described positive and negative electrode main pole ear is provided with PUR, and described positive plate marginal end is with anodal main pole ear, and the other end is anodal consequent pole ear; Described negative plate marginal end is with negative pole main pole ear, and the other end is negative pole consequent pole ear; The overlapping coiling of positive and negative plate.PUR conduct and the medium of aluminum-plastic composite membrane 170～220 ℃ of heat-seals, and by a kind of multi pole ears structure battery core of structure, shorten the terminal distance that arrives lug of electrode slice, thus promote the power-performance of battery, can realize the high current charge-discharge of battery.
Described positive plate is with aluminium foil, and described negative plate is with Copper Foil.Copper Foil and aluminium foil all are good Heat Conduction Materials, and the good capacity of heat transmission is arranged.
Described positive and negative main pole ear is arranged on the internal layer of battery core, and positive and negative consequent pole ear is arranged on the skin of battery core.
Described anodal consequent pole ear relies on anodal main pole ear and is folded into L-type and is attached thereto; Negative pole consequent pole ear relies on negative pole main pole ear and is folded into L-type and is attached thereto.
The connected mode of described anodal main pole ear and anodal consequent pole ear is ultrasonic bonding or electric resistance welding; The connected mode of described negative pole main pole ear and negative pole consequent pole ear is ultrasonic bonding or electric resistance welding.Better fixedly main pole ear and consequent pole ear are connected with each several part, to reach the purpose that shortens the electric charge transmission range.
Lithium ion battery includes battery core, electrolyte and encapsulating film, and described battery core is above-mentioned lithium ion battery coil core structure battery core, and battery core and electrolyte are sealed in the encapsulating film.
The beneficial effects of the utility model are: compared with prior art, by a kind of multi pole ears structure battery core of structure in lithium ion battery, namely increase the passage that electric charge is derived by increasing several consequent pole ears, shorten the terminal distance to lug of electrode slice, thereby promote the power-performance of battery, can realize the high current charge-discharge of battery, and the applicable and large capacity of monomer and the making of the flexible packing lithium ion battery of power-performance requirement is arranged.
Description of drawings
Fig. 1 is the front view of lithium ion battery coil core structure battery core of the present utility model.
Fig. 2 is positive plate structural representation of the present utility model.
Fig. 3 is negative plate structure schematic diagram of the present utility model.
Fig. 4 is lithium ion battery coil core structure battery core right view of the present utility model.
Fig. 5 is the structural representation of the lithium ion battery of utility model.
Embodiment
Shown in Fig. 1～5, a kind of lithium ion battery coil core structure battery core, comprise positive and negative electrode main pole ear 11,12, positive and negative plate 41,42, described positive and negative plate 41,42 surfaces are respectively with coating 5, described positive and negative electrode main pole ear 11,12 is provided with PUR 3, and described positive plate 41 marginal ends are with anodal main pole ear 11, and the other end is anodal consequent pole ear 21; Described negative plate 42 marginal ends are with negative pole main pole ear 12, and the other end is negative pole consequent pole ear 22; Positive and negative plate 41,42 overlapping coilings.PUR 3 conducts and the medium of aluminum-plastic composite membrane 170～220 ℃ of heat-seals, and by a kind of multi pole ears structure battery core of structure, shorten the terminal distance that arrives lug of electrode slice, thus promote the power-performance of battery, can realize the high current charge-discharge of battery.
Described positive plate 41 is with aluminium foil, and described negative plate 42 is with Copper Foil.Copper Foil and aluminium foil all are good Heat Conduction Materials, and the good capacity of heat transmission is arranged.
Described positive and negative main pole ear 11,12 is arranged on the internal layer of battery core 10, and positive and negative consequent pole ear 21,22 is arranged on the skin of battery core 10.
Described anodal consequent pole ear 21 relies on anodal main pole ear 11 and is folded into L-type and is attached thereto; Negative pole consequent pole ear 22 relies on negative pole main pole ear 12 and is folded into L-type and is attached thereto.
The connected mode of described anodal main pole ear 11 and anodal consequent pole ear 21 is ultrasonic bonding or electric resistance welding; The connected mode of described negative pole main pole ear 12 and negative pole consequent pole ear 22 is ultrasonic bonding or electric resistance welding.Better fixedly main pole ear and consequent pole ear are connected with each several part, to reach the purpose that shortens the electric charge transmission range.
Lithium ion battery includes battery core 10, electrolyte and encapsulating film 30, and described battery core 10 is above-mentioned lithium ion battery coil core structure battery core, and battery core 10 and electrolyte are sealed in the encapsulating film 30.
Foregoing is preferred embodiment of the present utility model only, is not be used to limiting embodiment of the present utility model, and those skilled in the art are according to design of the present utility model, and the appropriate adaptation of having done or modification all should be within protection ranges of the present utility model.
Claims (6)
1. lithium ion battery coil core structure battery core, comprise positive and negative electrode main pole ear, positive and negative plate, described positive and negative plate surface is respectively with coating, described positive and negative electrode main pole ear is provided with PUR, it is characterized in that: described positive plate marginal end is with anodal main pole ear, and the other end is anodal consequent pole ear; Described negative plate marginal end is with negative pole main pole ear, and the other end is negative pole consequent pole ear; The overlapping coiling of positive and negative plate.
2. lithium ion battery coil core structure battery core according to claim 1 is characterized in that: described positive plate is with aluminium foil, and described negative plate is with Copper Foil.
3. lithium ion battery coil core structure battery core according to claim 1, it is characterized in that: described positive and negative main pole ear is arranged on the internal layer of battery core, and positive and negative consequent pole ear is arranged on the skin of battery core.
4. lithium ion battery coil core structure battery core according to claim 1, it is characterized in that: described anodal consequent pole ear relies on anodal main pole ear and is folded into L-type and is attached thereto; Negative pole consequent pole ear relies on negative pole main pole ear and is folded into L-type and is attached thereto.
5. lithium ion battery coil core structure battery core according to claim 1, it is characterized in that: the connected mode of described anodal main pole ear and anodal consequent pole ear is ultrasonic bonding or electric resistance welding; The connected mode of described negative pole main pole ear and negative pole consequent pole ear is ultrasonic bonding or electric resistance welding.
6. lithium ion battery includes battery core, electrolyte and encapsulating film, it is characterized in that: described battery core is the described lithium ion battery coil core structure of claim 1-5 battery core, and battery core and electrolyte are sealed in the encapsulating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202280821U CN202695643U (en) | 2012-05-21 | 2012-05-21 | Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202280821U CN202695643U (en) | 2012-05-21 | 2012-05-21 | Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof |
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| Publication Number | Publication Date |
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| CN202695643U true CN202695643U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202280821U Expired - Fee Related CN202695643U (en) | 2012-05-21 | 2012-05-21 | Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268957A (en) * | 2013-05-14 | 2013-08-28 | 曙鹏科技（深圳）有限公司 | Flexible packaging lithium-ion battery |
| CN113659291A (en) * | 2021-08-10 | 2021-11-16 | 横店集团东磁股份有限公司 | Utmost point ear structure and lithium ion battery |
-
2012
- 2012-05-21 CN CN2012202280821U patent/CN202695643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268957A (en) * | 2013-05-14 | 2013-08-28 | 曙鹏科技（深圳）有限公司 | Flexible packaging lithium-ion battery |
| CN103268957B (en) * | 2013-05-14 | 2015-10-07 | 曙鹏科技（深圳）有限公司 | Flexible packing lithium ion battery |
| CN113659291A (en) * | 2021-08-10 | 2021-11-16 | 横店集团东磁股份有限公司 | Utmost point ear structure and lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130521 |