CN203871385U - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN203871385U CN203871385U CN201420199849.1U CN201420199849U CN203871385U CN 203871385 U CN203871385 U CN 203871385U CN 201420199849 U CN201420199849 U CN 201420199849U CN 203871385 U CN203871385 U CN 203871385U
- Authority
- CN
- China
- Prior art keywords
- battery
- rigid housing
- outer rigid
- breach
- main body
- 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
- 238000009459 flexible packaging Methods 0.000 claims description 18
- 239000012785 packaging film Substances 0.000 claims description 18
- 229920006280 packaging film Polymers 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 210000005056 cell body Anatomy 0.000 abstract 4
- 239000003792 electrolyte Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 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
Abstract
The utility model belongs to the technical field of batteries, and particularly relates to a battery, which includes a battery body and a flexible package film used for packaging the cell body, wherein plate lugs are arranged at the head and/or the tail of the cell body; a rigid casing is arranged between the battery body and the flexible package film; a transversely or longitudinally through notch is formed in the rigid casing. Compared with the prior art, the battery has the advantages that the rigid casing arranged between the battery body and the flexible package film excellently protects the head and the tail of the cell body, avoids pressing marks on the head and the tail, improves the smoothness of the appearance of the battery, and has the compression resistance, thereby enabling the battery to bear a certain pressure and further avoid deformation; the notch formed in the rigid casing enables the cell body to be placed in the casing easily, thereby improving the assembling efficiency; in addition, the flexible package film guarantees the airtightness of the battery.
Description
Technical field
The utility model belongs to battery technology field, relates in particular to and a kind ofly assembles simple, flat appearance, can bear certain pressure and the battery of indeformable and good airproof performance.
Background technology
At present, on market, the Package casing of battery is generally the outer rigid housing that is stamped to form type by the hard material such as stainless steel or aluminium, or the stamping forming flexible package shell of use flexible packaging film, the manufacture method of battery is: first cathode sheets, anode strip and barrier film are made to naked battery core according to coiling or lamination process, then naked battery core is put into shell (outer rigid housing or flexible package shell), inject electrolyte, encapsulation.For the larger naked battery core of volume, this encapsulating structure can ensure the smooth of battery outward appearance, and naked battery core enters shell also than being easier to, and seal operation is relatively good carrying out also.
But, for the naked battery core of elongated and small volume, if adopt outer rigid housing, enter shell difficulty, be difficult to sealing, cause the sealing of battery poor; And if employing flexible package shell easily occurs again impression at head, the tail of naked battery core, cause the outward appearance out-of-flatness of battery, and the rigidity of flexible package shell is poor, therefore, in the time that battery is subject to certain ambient pressure or the inner pressure discharging, easily deform.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provide a kind of and assemble simple, flat appearance, can bear certain pressure and the battery of the elongated and small volume of indeformable and good airproof performance.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of battery, comprise battery core main body and for encapsulating the flexible packaging film of described battery core main body, head and/or the afterbody of described battery core main body are provided with lug, between described battery core main body and described flexible packaging film, be provided with outer rigid housing, the breach that is provided with lateral direction penetrating on described outer rigid housing or longitudinally connects.
One as the utility model battery is improved, and is also provided with through hole on described outer rigid housing.
One as the utility model battery is improved, and the height of described outer rigid housing is more than or equal to the height of described battery core main body.
One as the utility model battery is improved, and is provided with a breach longitudinally connecting on described outer rigid housing.
Improve as the one of the utility model battery, the radian of described breach be set to whole outer rigid housing radian 1/30～1/6.
One as the utility model battery is improved, and be provided with two breach that longitudinally connect, and the edge of described breach is provided with wedge shape link on described outer rigid housing.
One as the utility model battery is improved, and the breach of two described longitudinal perforations is symmetrical arranged.
Improve as the one of the utility model battery, being shaped as of described outer rigid housing is cylindrical, and the middle part of described outer rigid housing is provided with the breach of lateral direction penetrating, and the top of described outer rigid housing and/or bottom are provided with the through hole stretching out for described lug.
One as the utility model battery is improved, and the height of the breach of described lateral direction penetrating is (0.6～0.9) with the ratio of the height of described battery core main body: 1.
With respect to prior art; the utility model by arranging outer rigid housing between battery core main body and flexible packaging film; can play a good protection to the head of battery core main body and afterbody; prevent the appearance of head and afterbody impression; improve the flat appearance of battery, meanwhile, in the time that battery is subject to certain ambient pressure or the inner pressure discharging; the rigidity characteristic of outer rigid housing can play again resistance to compression effect, thereby makes the utility model can bear certain pressure and indeformable.Breach is set on outer rigid housing can be made again battery core main body enter shell to become very easy, thereby raising efficiency of assembling, and this breach can also ensure that electrolyte has larger storage area, thereby improve the reservoir quantity of electrolyte, and improve the wettability of electrolyte to battery, and then the cycle performance of raising battery, in addition, the setting of flexible packaging film can ensure again the sealing of battery.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view of the utility model embodiment 1.
Fig. 2 is the structural representation of the outer rigid housing of embodiment 1 in the utility model.
Fig. 3 is the transverse sectional view (not shown flexible packaging film, and the first deep-slotted chip breaker and the second deep-slotted chip breaker are in not-connected status) of embodiment 2 in the utility model.
Fig. 4 is the structural representation of the outer rigid housing of embodiment 2 in the utility model.
Fig. 5 is the longitudinal sectional view of embodiment 3 in the utility model.
Wherein: 1-battery core main body, 2-flexible packaging film, 3-lug, 4-outer rigid housing, 41-the first deep-slotted chip breaker, 42-the second deep-slotted chip breaker, 43-the first lid, 44-the second lid, 5-breach, 6-through hole, 7-through hole, 8-wedge shape link.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model and beneficial effect thereof are described in more detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of battery that the present embodiment provides, comprise battery core main body 1 and the flexible packaging film 2 for packaging electric core main body 1, the head of battery core main body 1 is provided with lug 3, between battery core main body 1 and flexible packaging film 2, be provided with outer rigid housing 4, on outer rigid housing 4, be provided with a breach 5 longitudinally connecting.In the present embodiment; being shaped as of outer rigid housing 4 is cylindrical; but do not comprise top and bottom (as shown in Figure 2); the height of outer rigid housing 4 is equal to or greater than the height of battery core main body 1; there is impression in head and afterbody with protection battery core main body 1, ensures the planarization of battery outward appearance, and in the time that battery is subject to certain ambient pressure or the inner pressure discharging; the rigidity of outer rigid housing 4 can play again resistance to compression effect, thereby makes battery can bear certain pressure and indeformable.The breach 5 longitudinally connecting can make again battery core main body 1 enter shell and become very easy, thereby improves efficiency of assembling.And this breach 5 can also ensure that electrolyte has larger storage area, thus the reservoir quantity of raising electrolyte, and improve the wettability of electrolyte to battery, thus improve the cycle performance of battery.The setting of flexible packaging film 2 can ensure again the sealing of battery.
On outer rigid housing 4, be also provided with through hole 6, thereby further improve the reservoir quantity of electrolyte and improve the wettability of electrolyte to battery.
The material of outer rigid housing 4 can be the metal materials such as stainless steel or aluminium, can be also the plastic cement materials such as PET, PPS, wherein, preferably coats insulating barrier at the inner surface of the outer rigid housing 4 of metal material, or pastes insulating thin layer (as PP layer), in case leak-stopping electricity.
When assembling, first break outer rigid housing 4 into two with one's hands from breach 5 to both sides, after battery core main body 1 with lug 3 is put in the inner, remove the power for break outer rigid housing 4 into two with one's hands from breach 5 to both sides, battery core main body 1 is stuck in outer rigid housing 4, after the end of battery core main body 1 is positioned, flexible packaging film 2 is wrapped on the outer surface of outer rigid housing 4, then heated sealant is carried out in the marginal portion of flexible packaging film 2, complete the assembling of battery.
Wherein, in order to make outer rigid housing 4 can block well battery core main body 1, the radian of breach 5 can be set to whole outer rigid housing 4 radian 1/30～1/6, too little, be not easy outer rigid housing 4 to break into two with one's hands from breach 5, can not block securely too greatly again battery core main body 1.
Embodiment 2
As shown in Figures 3 and 4, as different from Example 1: on outer rigid housing 4, offer two breach 5 that longitudinally connect, and be provided with wedge shape link 8 at breach 5 edges of outer rigid housing 4.Now, outer rigid housing 4 is made up of two parts---the first deep-slotted chip breaker 41 and the second deep-slotted chip breaker 42, wherein, on the longitudinal edge of the first deep-slotted chip breaker 41, be provided with wedge shape link 8, by wedge shape link 8, the second deep-slotted chip breaker 42 and the first deep-slotted chip breaker 41 are coupled together, after connection, between the two, form breach 5.
Wherein, two breach 5 that longitudinally connect are symmetrical arranged, and the shape of the first deep-slotted chip breaker 41 and the second deep-slotted chip breaker 42 and radian are all identical.
When assembling, first battery core main body 1 is placed in the first deep-slotted chip breaker 41, then by wedge shape link 8, the second deep-slotted chip breaker 42 and the first deep-slotted chip breaker 41 are coupled together, battery core main body 1 is placed in the space that the second deep-slotted chip breaker 42 and the first deep-slotted chip breaker 41 form, after the end of battery core main body 1 is positioned, flexible packaging film 2 is wrapped on the outer surface of outer rigid housing 4, then heated sealant is carried out in the marginal portion of flexible packaging film 2, complete the assembling of battery.
All the other,, with embodiment 1, repeat no more here.
Embodiment 3
As shown in Figure 5, as different from Example 1: being shaped as of outer rigid housing 4 cylindrical (comprising top and bottom), and the middle part of outer rigid housing 4 is provided with the breach 5 of lateral direction penetrating, the top of outer rigid housing 4 is provided with the through hole 7 stretching out for lug 3, now, outer rigid housing 4 comprises two parts, i.e. the first lid 43 and the second lid 44, wherein, the first lid 43 lids are located at the head of battery core main body 1, the second lid 44 lids are located at the afterbody of battery core main body 1, between the top edge of the lower limb of the first lid 43 and the second lid 44, form breach 5, the first lid 43 and the second lid 44 can be protected respectively head and the afterbody of battery core main body 1, prevent the appearance of head and afterbody impression, improve the flat appearance of battery.
Wherein, in the case of the head and afterbody that can protect battery core main body 1, for the ease of operation, the height of the breach 5 of lateral direction penetrating is (0.6～0.9) with the ratio of the height of battery core main body 1: 1.
When assembling, first the first lid 43 lids are located to the head of battery core main body 1, the second lid 44 lids are located at the afterbody of battery core main body 1, after the end of battery core main body 1 is positioned, flexible packaging film 2 is wrapped on the outer surface of outer rigid housing 4, then heated sealant is carried out in the marginal portion of flexible packaging film 2, complete the assembling of battery.
All the other,, with embodiment 1, repeat no more here.
Certainly, outer rigid housing 4 can also adopt other structures, as long as it can protect head and the afterbody of battery core main body 1, and easily assembling again simultaneously.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement, replacement or modification that every those skilled in the art have done on basis of the present utility model all belong to protection range of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. a battery, comprise battery core main body and for encapsulating the flexible packaging film of described battery core main body, head and/or the afterbody of described battery core main body are provided with lug, it is characterized in that: between described battery core main body and described flexible packaging film, be provided with outer rigid housing, the breach that is provided with lateral direction penetrating on described outer rigid housing or longitudinally connects.
2. battery according to claim 1, is characterized in that: on described outer rigid housing, be also provided with through hole.
3. battery according to claim 1 and 2, is characterized in that: the height of described outer rigid housing is more than or equal to the height of described battery core main body.
4. battery according to claim 3, is characterized in that: on described outer rigid housing, be provided with a breach longitudinally connecting.
5. battery according to claim 4, is characterized in that: the radian of described breach be set to whole outer rigid housing radian 1/30～1/6.
6. battery according to claim 3, is characterized in that: on described outer rigid housing, be provided with two breach that longitudinally connect, and be provided with wedge shape link at the edge of described breach.
7. battery according to claim 6, is characterized in that: the breach of two described longitudinal perforations is symmetrical arranged.
8. battery according to claim 1 and 2, it is characterized in that: being shaped as of described outer rigid housing is cylindrical, and the middle part of described outer rigid housing is provided with the breach of lateral direction penetrating, the top of described outer rigid housing and/or bottom are provided with the through hole stretching out for described lug.
9. battery according to claim 8, is characterized in that: the height of the breach of described lateral direction penetrating is (0.6～0.9) with the ratio of the height of described battery core main body: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199849.1U CN203871385U (en) | 2014-04-23 | 2014-04-23 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199849.1U CN203871385U (en) | 2014-04-23 | 2014-04-23 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871385U true CN203871385U (en) | 2014-10-08 |
Family
ID=51652310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420199849.1U Expired - Lifetime CN203871385U (en) | 2014-04-23 | 2014-04-23 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594535A (en) * | 2021-08-16 | 2021-11-02 | 傲普(上海)新能源有限公司 | Lithium ion battery and method for improving electrolyte infiltration and prolonging service life of lithium ion battery |
-
2014
- 2014-04-23 CN CN201420199849.1U patent/CN203871385U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594535A (en) * | 2021-08-16 | 2021-11-02 | 傲普(上海)新能源有限公司 | Lithium ion battery and method for improving electrolyte infiltration and prolonging service life of lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101322278B (en) | Lithium ion secondary battery | |
| CN107204408A (en) | A kind of full lug quadrate lithium battery and preparation method thereof | |
| CN204792942U (en) | A cover head for soft package lithium -ion battery | |
| CN101794915B (en) | Lithium ion battery structure and preparation method thereof | |
| CN201315330Y (en) | Sealing structure of polymer soft cell | |
| CN207038562U (en) | Soft-package battery | |
| CN208433424U (en) | A kind of Soft Roll laminated batteries encapsulating structure | |
| CN205039213U (en) | Encapsulation head and encapsulation device for flexible package lithium -ion battery cell | |
| CN109786844A (en) | A kind of battery and its packaging method and terminal | |
| CN102637835A (en) | Cover plate structure and battery case for lithium ion battery and lithium ion battery | |
| CN201528017U (en) | Lithium ion battery structure | |
| CN207116544U (en) | Battery modules | |
| CN203871385U (en) | Battery | |
| CN209104266U (en) | Lithium ion battery | |
| CN106159119B (en) | A kind of flexible packing lithium ion battery and its manufacturing method | |
| CN204130649U (en) | A kind of three-electrode battery | |
| CN201222511Y (en) | Lithium ion power battery | |
| CN104538677A (en) | Flexibly-packaged lithium ion battery and preparation method thereof | |
| CN108258326A (en) | A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof | |
| CN206774588U (en) | A kind of full lug quadrate lithium battery | |
| CN202585549U (en) | Flexible-packaged lithium ion battery | |
| CN203491339U (en) | Polar plate and middle polar plate for lead-acid storage battery | |
| CN202855818U (en) | Insulting rubber ring of button cell | |
| CN207303148U (en) | A kind of lithium battery | |
| CN202495484U (en) | Flexible package lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |