CN203787476U - Packaging film and soft-packaging battery with same - Google Patents
Packaging film and soft-packaging battery with same Download PDFInfo
- Publication number
- CN203787476U CN203787476U CN201420144259.9U CN201420144259U CN203787476U CN 203787476 U CN203787476 U CN 203787476U CN 201420144259 U CN201420144259 U CN 201420144259U CN 203787476 U CN203787476 U CN 203787476U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- soft
- packaging film
- battery
- package battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012785 packaging film Substances 0.000 title claims abstract description 31
- 229920006280 packaging film Polymers 0.000 title claims abstract description 31
- 238000004806 packaging method and process Methods 0.000 title abstract description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000037303 wrinkles Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a packaging film and a soft-packaging battery with the same. The packaging film of the soft-packaging battery comprises a body which is provided with a first storage groove and a second storage groove, and the first storage groove and the second storage groove are locked with each other to form a space for installing a cell and respectively comprise a plane part and arc parts which are arranged on two sides of the plane part and connected with the body. The cell storage grooves are provided with the plane parts so as to be matched with the structure of the cell, so that the problems that the soft-packaging battery is easy to wrinkle, and a seamed edge is formed on the side edge of the soft-packaging battery can be solved, the surface quality of the battery can be improved, and customer experience is high.
Description
Technical field
The utility model relates to battery technology field, relates in particular to a kind of soft-package battery packaging film and uses the soft-package battery of this packaging film.
Background technology
Soft-package battery is widely used owing to having the advantages such as volume is little, lightweight, specific energy is high, fail safe is high.For example, Chinese patent literature CN2916932Y open a kind of " Flexible cylindrical Li-ion battery shell ", this pack case adopts aluminum-plastic composite membrane, on aluminum-plastic composite membrane, there is the semi-cylindrical pit being stamped to form, aluminum-plastic composite membrane is closed up, semicircle Cylindrical Pit forms cylindrical battery chamber relatively, for holding battery core.But along with the changes in demand in market, soft-package battery shape derives abnormally-structured by original column type.For example, Chinese patent literature CN202308084U open a kind of " flexible package elliptic battery ", the bladder that it comprises the battery core of coiling and molding and is wrapped in described battery core periphery; Described electric core winding becomes oval column, and described bladder adopts oval column equally, is wrapped in the battery core periphery of oval column.In actual production process, normally on the packaging film of planar structure, be symmetrical arranged two half elliptic grooves, then battery core is placed in one in a groove, then two grooves are closed up to edge sealing, the elliptoid soft-package battery of final molding.But, due to battery core in the time making after concora crush the radian at thickness direction very little, and packaging film is all circular groove structures, so the battery main body after encapsulation easily produces fold.
Utility model content
An object of the present utility model is: a kind of soft-package battery packaging film is provided, and the battery that adopts this packaging film to pack can be not wrinkling.
Another object of the present utility model is: provide a kind of soft-package battery, the main body corrugationless of this soft-package battery.
For reaching this object, the utility model by the following technical solutions:
On the one hand, a kind of soft-package battery packaging film is provided, comprise body, on described body, offer the first storage tank and the second storage tank, be formed for so that two grooves interlock the space that battery core is installed, described the first storage tank includes planar section with described the second storage tank and is positioned at planar section both sides for being connected the arch section of body.
As a kind of preferred version, the width of described the first storage tank and described the second storage tank is not etc.
As a kind of preferred version, the radian of two arch sections of described the first storage tank and described the second storage tank and arc length are all not etc.
As a kind of preferred version, described the first storage tank and the adjacent setting of described the second storage tank or separately setting.
As a kind of preferred version, described body adopts aluminum-plastic composite membrane.
As a kind of preferred version, described the first storage tank comprises the first planar portions, and the both sides that are arranged at described the first planar portions are for connecting the first curved portions and second curved portions of described body;
Described the second storage tank comprises the second planar portions, and the both sides that are arranged at described the second planar portions are for connecting the 3rd curved portions and the 4th curved portions of described body.
As a kind of preferred version, described the first storage tank and/or the second storage tank are by punch forming.
On the other hand, provide a kind of soft-package battery, comprise described packaging film, also comprise battery core, described battery core is installed in described packaging film.
The beneficial effects of the utility model: this programme arranges planar section by adopting on battery core storage tank, so that the structure of itself and battery core adapts, thereby overcome, soft-package battery creases easily and side has the problem of seamed edge, contributes to improve the surface quality of battery, has higher customer experience.
Brief description of the drawings
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the schematic top plan view of the soft-package battery packaging film described in an embodiment of the present utility model;
Fig. 2 is that the A shown in Fig. 1 is to cross-sectional schematic;
Fig. 3 is the schematic top plan view of the packaging film described in another embodiment of the present utility model.
In figure:
1, body; 11, the first storage tank; 111, the first planar portions; 112, the first curved portions; 113, the second curved portions; 12, the second storage tank; 121, the second planar portions; 122, the 3rd curved portions; 123, the 4th curved portions; 13, interval parts; 14, air drain.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
As depicted in figs. 1 and 2, the soft-package battery packaging film described in embodiment of the present utility model, comprises a body 1, at least offers the first storage tank 11 and the second storage tank 12, for limiting battery core installing space on body 1.Wherein, the first storage tank 11 and the second storage tank 12 can, in abutting connection with setting, also can arrange at interval, only need to meet after the first storage tank 11 and the second storage tank 12 close up mutually to form battery core installing space.In the present embodiment, between the first storage tank 11 and the second storage tank 12, be provided with interval parts 13, the first storage tank 11 and the second storage tank 12 are set in distance.
The first storage tank 11 of the present utility model and the second storage tank 12 all adopt special-shaped groove, and described special-shaped groove all adopts two ends arch section and mid-plane part, thereby match with the shape of battery core, and then overcome the defect creasing easily after packaging film parcel battery core.Concrete, in the present embodiment, the first storage tank 11 has the first planar portions 111, and the both sides that are arranged at the first planar portions 111 are for connecting the first curved portions 112 and second curved portions 113 of body 1, the second storage tank 12 has the second planar portions 121, and the both sides that are arranged at the second planar portions 121 are for connecting the 3rd curved portions 122 and the 4th curved portions 123 of body 1.
The radian of the two ends arch section of the first storage tank 11 of the present utility model and the second storage tank 12 and arc length are all different, and the first storage tank 11 and the second storage tank 12 are asymmetric design with respect to interval parts 13.Concrete, the first storage tank 11 has width W 1, the second storage tank 12 and has width W 2, and W1 and W2 are not etc.By described design, can increase the adjustability to battery appearance after parcel assembling battery core, so that the outward appearance of battery is more excellent.Concrete, in the present embodiment, the first curved portions 112 is all different from radian and the arc length of the second curved portions 113, and the 3rd curved portions 122 is all different from radian and the arc length of the 4th curved portions 123, and the width W 1 of the first storage tank 11 is less than the width W 2 of the second storage tank 12.The packaging film of the present embodiment adopts aluminum-plastic composite membrane, in actual production process, can carry out punch forming to the first storage tank 11 and the second storage tank 12 by special mould.
The utility model also provides a kind of soft-package battery by above-mentioned packaging film packaging, and it comprises the packaging film of battery core and parcel battery core.Concrete, in the present embodiment, battery core is placed in the first storage tank 11, then by body 1 doubling, make the second storage tank 12 cover in the top of the first storage tank 11, both have formed the installing space of battery core, and then the side to packaging film and end seal, thereby battery core is wrapped in packaging film.In another embodiment of the present utility model, on body 1 and the both sides that are positioned at the first storage tank 11 and the second storage tank 12 be provided with air drain 14, at the follow-up exhaust work that carries out while the operation such as changing into.Air drain 14 can adopt the versions such as deep-slotted chip breaker, square groove, dovetail groove.
The terms " first ", " second ", " the 3rd ", " the 4th " that the utility model adopts etc., are to be all convenient to describe and the form of presentation that adopts, there is no particular meaning.
What need statement is; above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the variation that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection range of the present utility model.
Claims (8)
1. a soft-package battery packaging film, it is characterized in that, comprise body, on described body, offer the first storage tank and the second storage tank, be formed for so that two grooves interlock the space that battery core is installed, described the first storage tank includes planar section with described the second storage tank and is positioned at planar section both sides for being connected the arch section of body.
2. soft-package battery packaging film according to claim 1, is characterized in that, the width of described the first storage tank and described the second storage tank is not etc.
3. soft-package battery packaging film according to claim 2, is characterized in that, the radian of two arch sections of described the first storage tank and described the second storage tank and arc length are all not etc.
4. soft-package battery packaging film according to claim 3, is characterized in that, described the first storage tank and the adjacent setting of described the second storage tank or separately setting.
5. according to the soft-package battery packaging film described in claim 1 to 4 any one, it is characterized in that, described body adopts aluminum-plastic composite membrane.
6. soft-package battery packaging film according to claim 5, is characterized in that, described the first storage tank comprises the first planar portions, and the both sides that are arranged at described the first planar portions are for connecting the first curved portions and second curved portions of described body;
Described the second storage tank comprises the second planar portions, and the both sides that are arranged at described the second planar portions are for connecting the 3rd curved portions and the 4th curved portions of described body.
7. soft-package battery packaging film according to claim 6, is characterized in that, described the first storage tank and/or the second storage tank are by punch forming.
8. a soft-package battery, is characterized in that, comprises the packaging film as described in claim 1 to 7 any one, also comprises battery core, and described battery core is installed in described packaging film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144259.9U CN203787476U (en) | 2014-03-27 | 2014-03-27 | Packaging film and soft-packaging battery with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144259.9U CN203787476U (en) | 2014-03-27 | 2014-03-27 | Packaging film and soft-packaging battery with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787476U true CN203787476U (en) | 2014-08-20 |
Family
ID=51323631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144259.9U Expired - Lifetime CN203787476U (en) | 2014-03-27 | 2014-03-27 | Packaging film and soft-packaging battery with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864243A (en) * | 2017-11-29 | 2018-03-30 | 广东欧珀移动通信有限公司 | Electronic installation |
-
2014
- 2014-03-27 CN CN201420144259.9U patent/CN203787476U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864243A (en) * | 2017-11-29 | 2018-03-30 | 广东欧珀移动通信有限公司 | Electronic installation |
| CN107864243B (en) * | 2017-11-29 | 2024-03-19 | 深圳市欢太科技有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |