CN207353399U - A kind of lithium battery encapsulation film - Google Patents
A kind of lithium battery encapsulation film Download PDFInfo
- Publication number
- CN207353399U CN207353399U CN201721252708.1U CN201721252708U CN207353399U CN 207353399 U CN207353399 U CN 207353399U CN 201721252708 U CN201721252708 U CN 201721252708U CN 207353399 U CN207353399 U CN 207353399U
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- China
- Prior art keywords
- lithium battery
- layer
- film
- metal packaging
- chip
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
It the utility model is related to technical field of lithium batteries,In particular a kind of lithium battery encapsulation film and lithium battery,Including lithium battery body,The lithium battery body includes being packaged in the battery chip of inside and is wrapped in the encapsulating film of periphery,The device wraps up one layer by Metal Packaging layer in battery chip periphery,The encapsulating film of hot sealing layer and metallized film layer composition,Form lithium battery body,Pass through the Metal Packaging layer of encapsulating film outermost,Lithium battery body integrally preferable toughness can be achieved,Internal cell chip is given preferably to protect,Pass through the metallized film layer inside Metal Packaging layer,The overall preferable folding quality of lithium battery body and excellent barrier property can be achieved,Pass through the hot sealing layer of encapsulating film innermost layer,It can be achieved to obstruct external heat well,Further ensure the working environment of the stabilization of internal cell chip,And the stacking of inside and outside sandwich construction,The intensity of lithium battery entirety can effectively be strengthened,Hardness and pressure-proof and snap-resistent performance.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, is specially a kind of lithium battery encapsulation film.
Background technology
" lithium battery ", be it is a kind of by lithium metal or lithium alloy be negative material, the battery using non-aqueous electrolytic solution.
Lithium metal battery is proposed and studied by Gilbert N.Lewis earliest within 1912.During the 70's of 20th century,
M.S.Whittingham is proposed and the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active so that lithium gold
Processing, preservation, the use of category, it is very high to environmental requirement.So lithium battery is not applied for a long time.With science and technology
Development, present lithium battery has become mainstream.Lithium battery is broadly divided into two classes：Lithium metal battery and lithium ion battery.
Lithium ion battery does not contain the lithium of metallic state, and can charge.5th generation product lithium metal battery of rechargeable battery
It was born in 1996, its security, specific capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Lithium battery produces
After the completion of need to be packaged it processing, this encapsulation process process be typically lithium battery interior battery chip periphery wrap up
One layer of encapsulating film, the preferable working environment of internal cell chip is provided to reach, but existing lithium battery encapsulation film uses mostly
Individual layer aluminium foil, the resistance to compression of this encapsulating film entirety, anti-folding and toughness are insufficient.A kind of in consideration of it, it is proposed that lithium battery
Encapsulating film.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery encapsulation film, to solve proposed in the above background technology ask
Topic.
To achieve the above object, the utility model provides following technical solution：
A kind of lithium battery encapsulation film, including lithium battery body, the lithium battery body include being packaged in the battery of inside
Piece and the encapsulating film for being wrapped in periphery, the battery chip are wherein provided with two symmetrical and parallel poles on end face
Ear, the encapsulating film is wrapped in the periphery of the battery chip, and the encapsulating film includes outermost Metal Packaging layer, described
Metal Packaging layer is internally provided with multigroup protrusion, and multigroup flexible cushion block, phase are connected between the two neighboring opposite protrusion
Intrusion slot is equipped between protrusion described in two groups adjacent, the intrusion slot is internally provided with hot sealing layer, and the both sides of the hot sealing layer are equipped with
Metallized film layer.
Preferably, it is described raised at least provided with three groups to be parallel to each other, arrangement is isodistantly spaced, every group of protrusion is equipped with up and down
Two corresponded, and raised section is trapezoidal or rectangle.
Preferably, the flexible cushion block between protrusion described in every group at least provided with three groups to be parallel to each other, in equidistant
From arrangement, every group of flexibility cushion block is at least provided with two.
Preferably, between the Metal Packaging layer and the metallized film layer and the hot sealing layer and metallized film layer it
Between fixation is mutually bonded by glue.
Compared with prior art, the beneficial effects of the utility model are：
The device is in the one layer of encapsulation being made of Metal Packaging layer, hot sealing layer and metallized film layer of parcel of battery chip periphery
Film, forms lithium battery body, by the Metal Packaging layer of encapsulating film outermost, it can be achieved that lithium battery body is overall preferable tough
Property, give internal cell chip and preferably protect, by the metallized film layer inside Metal Packaging layer, it can be achieved that lithium battery body
Overall preferable folding quality and excellent barrier property, by the hot sealing layer of encapsulating film innermost layer, it can be achieved that to external heat
Barrier well, further ensures the working environment of the stabilization of internal cell chip, and the stacking of inside and outside sandwich construction, can be effective
Strengthen intensity, hardness and the pressure-proof and snap-resistent performance of lithium battery entirety.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 encapsulates membrane structure diagram for the utility model；
Fig. 3 is enlarged drawing at A in the utility model Fig. 2.
In figure：Lithium battery body 1, battery chip 10, encapsulating film 11, Metal Packaging layer 110, protrusion 111, flexible cushion block
112nd, intrusion slot 113, hot sealing layer 114, metallized film layer 115, lug 2.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of lithium battery encapsulation film, including lithium battery body 1, the lithium battery body 1 include the battery for being packaged in inside
Chip 10 and be wrapped in periphery encapsulating film 11, the battery chip 10 be wherein provided with end face two symmetrically and
Parallel lug 2, the encapsulating film 11 is wrapped in the periphery of the battery chip 10, and the encapsulating film 11 is including outermost
Metal Packaging layer 110, the Metal Packaging layer 110 are internally provided with multigroup raised 111, described raised 111 at least provided with mutual
Parallel three groups, are isodistantly spaced arrangement, every group of protrusion 111 is equipped with two corresponded up and down, and the section of protrusion 111 is
Trapezoidal or rectangle, is connected with multigroup flexible cushion block 112, the flexibility cushion block 112 between two neighboring opposite described raised 111
At least provided with three groups to be parallel to each other between protrusion 111 described in every group, arrangement is isodistantly spaced, every group of flexibility cushion block 112 is equal
At least provided with two, intrusion slot 113 is equipped between protrusion 111 described in two adjacent groups, the intrusion slot 113 is internally provided with hot sealing layer
114, the both sides of the hot sealing layer 114 are equipped with metallized film layer 115, the Metal Packaging layer 110 and the metallized film layer
Fixation is mutually bonded by glue between 115 and between the hot sealing layer 114 and metallized film layer 115.
The device wraps up one layer by Metal Packaging layer 110, hot sealing layer 114 and metallized film layer in the periphery of battery chip 10
The encapsulating film 11 of 115 compositions, composition lithium battery body 1, by the Metal Packaging layer 110 of 11 outermost of encapsulating film, it can be achieved that lithium
The overall preferable toughness of battery body 1, gives internal cell chip 10 and preferably protects, inside Metal Packaging layer 110
Two layers of metallized film layer 115 passes through envelope, it can be achieved that the overall preferable folding quality of lithium battery body 1 and excellent barrier property
The hot sealing layer 114 of 11 innermost layer of film is filled, it can be achieved that being obstructed well to external heat, further ensures internal cell chip 10
Stable working environment, and the stacking of inside and outside sandwich construction, can effectively strengthen the intensity, hardness and pressure-proof and snap-resistent of lithium battery entirety
Performance.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
On the premise of, the utility model also has various changes and modifications, these changes and improvements both fall within this claimed practicality
In new scope.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of lithium battery encapsulation film, including lithium battery body (1), it is characterised in that：The lithium battery body (1) includes encapsulation
In internal battery chip (10) and peripheral encapsulating film (11) is wrapped in, the battery chip (10) is wherein pacified on end face
Equipped with two symmetrical and parallel lugs (2), the encapsulating film (11) is wrapped in the periphery of the battery chip (10), and
The encapsulating film (11) includes outermost Metal Packaging layer (110), and being internally provided with for the Metal Packaging layer (110) is multigroup convex
Rise (111), be connected with multigroup flexible cushion block (112) between two neighboring opposite raised (111), it is convex described in two adjacent groups
Rise (111) between be equipped with intrusion slot (113), the intrusion slot (113) is internally provided with hot sealing layer (114), the hot sealing layer (114)
Both sides be equipped with metallized film layer (115).
A kind of 2. lithium battery encapsulation film according to claim 1, it is characterised in that：The protrusion (111) is at least provided with phase
Mutually parallel three groups, it is isodistantly spaced arrangement, every group raised (111) are equipped with two corresponded up and down, and protrusion (111)
Section is trapezoidal or rectangle.
A kind of 3. lithium battery encapsulation film according to claim 1, it is characterised in that：The flexibility cushion block (112) is at every group
At least provided with three groups to be parallel to each other between the protrusion (111), arrangement is isodistantly spaced, every group of flexibility cushion block (112) is extremely
Two are equipped with less.
A kind of 4. lithium battery encapsulation film according to claim 1, it is characterised in that：The Metal Packaging layer (110) and institute
State between metallized film layer (115) and between the hot sealing layer (114) and metallized film layer (115) it is mutually viscous by glue
Connect fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252708.1U CN207353399U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery encapsulation film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252708.1U CN207353399U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery encapsulation film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353399U true CN207353399U (en) | 2018-05-11 |
Family
ID=62357432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721252708.1U Expired - Fee Related CN207353399U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery encapsulation film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922023A (en) * | 2021-11-29 | 2022-01-11 | 江苏贝孚德通讯科技股份有限公司 | Resonant rod and filter with temperature compensation |
-
2017
- 2017-09-27 CN CN201721252708.1U patent/CN207353399U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922023A (en) * | 2021-11-29 | 2022-01-11 | 江苏贝孚德通讯科技股份有限公司 | Resonant rod and filter with temperature compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |