CN202585552U - End socket for soft-package lithium ion battery - Google Patents
End socket for soft-package lithium ion battery Download PDFInfo
- Publication number
- CN202585552U CN202585552U CN2012201040854U CN201220104085U CN202585552U CN 202585552 U CN202585552 U CN 202585552U CN 2012201040854 U CN2012201040854 U CN 2012201040854U CN 201220104085 U CN201220104085 U CN 201220104085U CN 202585552 U CN202585552 U CN 202585552U
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- China
- Prior art keywords
- end socket
- projection
- lithium ion
- ion battery
- convex blocks
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- 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
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model belongs to the technical field of battery manufacturing and particularly relates to an end socket for a soft-package lithium ion battery. The end socket comprises an upper heating block, a lower heating block, an upper end socket connected with the upper heating block, and a lower end socket connected with the lower heating block, wherein first convex blocks are arranged at the two ends of the upper end socket respectively, and second convex blocks are arranged at the two ends of the lower end socket respectively corresponding to the first convex blocks. According to the end socket, the first convex blocks are arranged on the upper end socket, the second convex blocks corresponding to the first convex blocks are arranged on the lower end socket, the packaging thickness of an aluminum plastic composite film is accurately controlled by controlling the height difference of the first convex blocks and the upper end socket, and the height difference of the second convex blocks and the lower end socket, the first convex blocks and the second convex blocks can be used for preventing the thermally-packaged aluminum plastic composite film from being too thick or too thin, the problem of poor packaging caused by a traditional end socket due to control failure is solved, the reliability on packaging is improved, and the general production control under more extensive condition is realized. The end socket for the soft-package lithium ion battery is simple to process, high in generality and is convenient for actual control.
Description
Technical field
The utility model belongs to battery manufacturing technology field, and particularly a kind of flexible packing lithium ion battery is used end socket.
Background technology
Development along with society; People are increasingly high to the appearance requirement of electronics mobile product (like notebook computer, smart mobile phone and MP3 etc.); For example; In recent years, people hope the electronics mobile product can accomplish more and more gentlier, more and more thinner, this just cause as these electronics mobile products the energy supply element lithium ion battery also must towards more and more gentlier, more and more thinner direction develops.
Lithium ion battery divides according to packaging material, can be divided into box hat lithium ion battery, aluminum hull lithium ion battery and flexible packing lithium ion battery (generally adopting aluminum-plastic composite membrane as packaging material).Wherein, that flexible packing lithium ion battery has is in light weight, can make thin battery, energy density advantages of higher, and therefore, the electronics mobile product adopts flexible packing lithium ion battery as power supply basically at present.
Owing to comprised the mixed solvent that multiple organic solvent is formed in the flexible packing lithium ion battery, if solvent leaks, will cause catching fire, potential safety hazard such as blast, so the package reliability of the aluminum-plastic composite membrane of flexible packing lithium ion battery is most important.
The heat-sealing package thickness of control flexible package aluminum-plastic composite membrane mainly is to adopt the air pressure and the time control of cylinder in the prior art, and there is the bad problem that causes battery failure of the encapsulation that causes out of control in this control mode always.
In view of this; Necessaryly provide that a kind of processing is simple, versatility is high; The flexible packing lithium ion battery that can improve the aluminum-plastic composite membrane package reliability of being convenient to working control is used end socket; Thereby solve traditional heat-sealing end socket because of the bad problem of encapsulation that control fails causes, make the package thickness consistency of the product of producing better.
The utility model content
The purpose of the utility model is: to the deficiency of prior art; A kind of processing is simple, versatility is high and provide; The flexible packing lithium ion battery that can improve the aluminum-plastic composite membrane package reliability of being convenient to working control is used end socket; Thereby solve traditional heat-sealing end socket because of the bad problem of encapsulation that control fails causes, make the package thickness consistency of the product of producing better.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of flexible packing lithium ion battery is used end socket; The upper cover that comprises heat block, descends heat block, is connected with said upward heat block; The bottom head that is connected with said heat block down; The two ends of said upper cover are provided with first projection, and the two ends of said bottom head are provided with second projection that is oppositely arranged with said first projection.Projection is metal or other nonmetallic materials such as copper with certain degree of hardness, intensity, iron.Come the accurately package thickness of control aluminum-plastic composite membrane through the difference in height of control projection and end socket, improve the consistency of package thickness.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, lateral symmetry distributes said first projection at the two ends of said upper cover, and lateral symmetry distributes said second projection at the two ends of said bottom head.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, the shape of said first projection and second projection is rectangle, triangle or circle.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, the shape of said first projection and second projection is rectangle.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, the length of said first projection and second projection is 0.5～1000mm, and width is 0.5～500mm.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, the difference in height of said first projection and upper cover is 20～1000um, and the difference in height of said second projection and bottom head is 20～1000um.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, said first projection and upper cover are formed in one, and said second projection and bottom head are formed in one.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, said first projection is connected through screw with upper cover, and said second projection is connected through screw with bottom head.
As a kind of improvement of the utility model flexible packing lithium ion battery with end socket, said upper cover and bottom head are provided with the lug groove that is oppositely arranged.
The utility model compared with prior art; Have following advantage: the utility model is through being provided with first projection at upper cover; Second projection that is oppositely arranged with said first projection is set on bottom head; The difference in height through controlling first projection and upper cover and the difference in height of second projection and bottom head are come the accurately package thickness of control aluminum-plastic composite membrane; First projection and second projection can prevent after the aluminum-plastic composite membrane heat-seal that thickness is blocked up or cross thin problem, have solved the traditional hot encapsulation well and have relied on the instability problem of the aluminum-plastic composite membrane package thickness of cylinder pressure, heating-up temperature, control heating time, thereby solved the bad problem of encapsulation that traditional heat-sealing end socket causes because of control fails; Improve the reliability of encapsulation, realize the general production control under the more extensive condition.In addition, the utility model can also prevent the overpressure problems in the aluminum-plastic composite membrane heat-seal process, and the end socket that adopts the utility model is hot compound more even to the internal layer macromolecular material of aluminum-plastic composite membrane, so the package thickness consistency of the product of producing is better.And the utility model processing is simple, versatility is high, is convenient to working control.
Description of drawings
Below in conjunction with accompanying drawing and embodiment, the utility model and useful technique effect thereof are elaborated, wherein:
Fig. 1 is the front view of the utility model;
Fig. 2 is the structural representation of bottom head in the utility model.
Embodiment
Describe the utility model flexible packing lithium ion battery in detail with end socket and beneficial effect thereof below in conjunction with embodiment, still, the execution mode of the utility model is not limited thereto.
As depicted in figs. 1 and 2; A kind of flexible packing lithium ion battery of the utility model is used end socket; The upper cover 2 that comprises heat block 11, descends heat block 12, is connected with said upward heat block 11; With the bottom head 3 that said heat block 12 down is connected, the two ends of said upper cover 2 are provided with first projection 21, and the two ends of said bottom head 3 are provided with second projection 31 that is oppositely arranged with said first projection 21.Projection is metal or other nonmetallic materials such as copper with certain degree of hardness, intensity, iron.Come the accurately package thickness of control aluminum-plastic composite membrane through the difference in height of control projection and end socket, improve the consistency of package thickness.Last heat block 11 all is fixed on the equipment with screw through the latch closure mode with following heat block 12.
Wherein, lateral symmetry distributes said first projection 21 at the two ends of said upper cover 2, and lateral symmetry distributes said second projection 31 at the two ends of said bottom head 3.
The shape of said first projection 21 and second projection 31 is rectangle, triangle or circle.
Preferably, the shape of said first projection 21 and second projection 31 is rectangle.
The length of said first projection 21 and second projection 31 is 0.5～1000mm, and width is 0.5～500mm.
Said first projection 21 is 20～1000um with the difference in height of upper cover 2, and said second projection 31 is 20～1000um with the difference in height of bottom head 3.
Said first projection 21 is formed in one with upper cover 2, and said second projection 31 is formed in one with bottom head 3.
Perhaps, said first projection 21 and upper cover 2 are connected through screw, and said second projection 31 and bottom head 3 are connected through screw.
Said upper cover 2 is provided with the lug groove 4 that is oppositely arranged with bottom head 3.
Embodiment 1
The length of first projection 21 is 5mm, and wide is 2mm, and the length of second projection 31 is 5mm; Wide is 2mm; Projection cube structure and end socket be not or not same plane, and said first projection 21 is 0.125mm with the difference in height of upper cover 2, and said second projection 31 is 0.125mm with the difference in height of bottom head 3.When upper cover 2 and bottom head 3 pressings; First projection 21 contacts earlier with second projection 31, when upper cover 2 continues pressing with bottom head 3, because the position-limiting action of first projection 21 and second projection 31; Distance between upper cover 2 and the bottom head 3 will accurately be controlled at 0.25mm; Therefore, the heat-seal thickness of aluminum-plastic composite membrane just can Be Controlled, and first projection 21 and second projection 31 can prevent after the aluminum-plastic composite membrane heat-seal that thickness is blocked up or cross the problem of approaching; Solve the instability problem of the aluminum-plastic composite membrane package thickness of controlling traditional hot encapsulation dependence cylinder pressure, heating-up temperature, heating time well, had practical application widely.
Need to prove that according to the announcement and the elaboration of above-mentioned specification, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should be in the protection range of the claim of the utility model to some equivalent modifications of the utility model and change.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the utility model is not constituted any restriction.
Claims (9)
1. a flexible packing lithium ion battery is used end socket; The upper cover that comprises heat block, descends heat block, is connected with said upward heat block; The bottom head that is connected with said heat block down; It is characterized in that: the two ends of said upper cover are provided with first projection, and the two ends of said bottom head are provided with second projection that is oppositely arranged with said first projection.
2. flexible packing lithium ion battery according to claim 1 is used end socket, it is characterized in that: lateral symmetry distributes said first projection at the two ends of said upper cover, and lateral symmetry distributes said second projection at the two ends of said bottom head.
3. flexible packing lithium ion battery according to claim 1 is used end socket, it is characterized in that: the shape of said first projection and second projection is rectangle, triangle or circle.
4. flexible packing lithium ion battery according to claim 3 is used end socket, it is characterized in that: the shape of said first projection and second projection is rectangle.
5. flexible packing lithium ion battery according to claim 1 is used end socket, it is characterized in that: the length of said first projection and second projection is 0.5～1000mm, and width is 0.5～500mm.
6. flexible packing lithium ion battery according to claim 1 is used end socket, it is characterized in that: the difference in height of said first projection and upper cover is 20～1000um, and the difference in height of said second projection and bottom head is 20～1000um.
7. flexible packing lithium ion battery according to claim 1 is used end socket, it is characterized in that: said first projection and upper cover are formed in one, and said second projection and bottom head are formed in one.
8. use end socket according to the described flexible packing lithium ion battery of claim 1, it is characterized in that: said first projection is connected through screw with upper cover, and said second projection is connected through screw with bottom head.
9. use end socket according to the described flexible packing lithium ion battery of claim 1, it is characterized in that: said upper cover and bottom head are provided with the lug groove that is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201040854U CN202585552U (en) | 2012-03-19 | 2012-03-19 | End socket for soft-package lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201040854U CN202585552U (en) | 2012-03-19 | 2012-03-19 | End socket for soft-package lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585552U true CN202585552U (en) | 2012-12-05 |
Family
ID=47254930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201040854U Expired - Lifetime CN202585552U (en) | 2012-03-19 | 2012-03-19 | End socket for soft-package lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538676A (en) * | 2014-12-15 | 2015-04-22 | 东莞市久森新能源有限公司 | Packaging end enclosure and packaging device of flexible package lithium ion cell |
| CN106058083A (en) * | 2016-08-19 | 2016-10-26 | 宁德时代新能源科技股份有限公司 | Laminate polymer battery shell and laminate polymer battery |
| CN106711362A (en) * | 2016-11-15 | 2017-05-24 | 浙江超威创元实业有限公司 | Polymer battery cell dual-seal die head |
-
2012
- 2012-03-19 CN CN2012201040854U patent/CN202585552U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538676A (en) * | 2014-12-15 | 2015-04-22 | 东莞市久森新能源有限公司 | Packaging end enclosure and packaging device of flexible package lithium ion cell |
| CN106058083A (en) * | 2016-08-19 | 2016-10-26 | 宁德时代新能源科技股份有限公司 | Laminate polymer battery shell and laminate polymer battery |
| CN106711362A (en) * | 2016-11-15 | 2017-05-24 | 浙江超威创元实业有限公司 | Polymer battery cell dual-seal die head |
| CN106711362B (en) * | 2016-11-15 | 2019-11-05 | 浙江超威创元实业有限公司 | Two envelope die head of polymer battery core |
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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: 20121205 |