CN206864558U - New type lithium ion soft-package battery encapsulating structure - Google Patents
New type lithium ion soft-package battery encapsulating structure Download PDFInfo
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- CN206864558U CN206864558U CN201720421032.8U CN201720421032U CN206864558U CN 206864558 U CN206864558 U CN 206864558U CN 201720421032 U CN201720421032 U CN 201720421032U CN 206864558 U CN206864558 U CN 206864558U
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- protection cavity
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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
Abstract
The utility model discloses a kind of new type lithium ion soft-package battery encapsulating structure; including packaging film and battery main body; battery main cavity and welding protection cavity are provided with the packaging film; the battery main cavity is interconnected with the welding protection cavity; the battery main body has battery pole ear; the battery main body is located in the battery main cavity, and the battery pole ear is corresponding with the welding protection cavity.By setting welding protection cavity to be interconnected with battery main cavity; it is machine-shaping welding protection cavity during packaging film is molded; so that the welding region that battery main body is connected with each other with pole-piece pole-ear is located in welding protection cavity; because welding protection cavity is pre-processed; therefore its structure, profile can be controlled effectively; the presence of welding protection cavity can allow packaging film and inside battery material to have certain attaching space, and the welding region for substantially reducing projection punctures aluminum plastic film, causes battery inflatable leakage potential safety hazard even on fire.
Description
Technical field
It the utility model is related to field of lithium ion battery, more particularly to a kind of new type lithium ion soft-package battery encapsulating structure.
Background technology
The soft bag lithium ionic cell of Current commercial, typically using aluminum plastic film or steel plastic film as housing material.Plastic-aluminum
Film or steel plastic film first have to carry out molded design, then carry out punch forming by special equipment, finally by heat-sealing by electricity
Tank main body wires up.Conventional molded design, for those multi pole ears takeup types and stacked soft bag lithium ionic cell in fact
It is dissatisfactory, there can be outward appearance ugliness, safety has the problem of hidden danger.Because multi pole ears takeup type and stacked Soft Roll lithium from
Sub- battery, has two and the above " pole-piece pole-ear ", and these " pole-piece pole-ears " need all to be welded on battery by welding equipment
To be drawn on lug and by " pole-piece pole-ear " from battery pole ear, welding position will stick insulation gummed paper, so, battery main body and top
The welding region of projection is formed between edge sealing, this welding region is wider, long and thicker, in encapsulation
Afterwards, will be formed between battery main body and closedtop side it is rugged do not seal region, and because battery is to be evacuated encapsulation
, the contact of aluminum plastic film and inside battery material can closely, and there is also puncture aluminum plastic film, cause electricity for raised welding region
Pond inflatable leakage potential safety hazard even on fire.
Utility model content
The utility model solve technical problem be:By designing a kind of new type lithium ion soft-package battery encapsulating structure, its
Can solve above-mentioned technical problem present in prior art.
To use following technical scheme up to this purpose, the utility model:
A kind of new type lithium ion soft-package battery encapsulating structure, including packaging film and battery main body, the packaging film are provided
On be provided with battery main cavity and welding protection cavity, the battery main cavity is interconnected with the welding protection cavity,
The battery main body has battery pole ear, and the battery main body is located in the battery main cavity, and the battery pole ear and institute
It is corresponding to state welding protection cavity.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the welding protection chamber
Body includes positive pole welding protection cavity and negative pole welding protection cavity, the positive pole welding protection cavity and negative pole weldering
Connect height of the protection cavity along cell thickness direction and be less than height of the battery main cavity along cell thickness direction.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the welding protection chamber
The packaging film for the opening position that body is connected with each other with the battery main cavity forms transition arc.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the packaging film includes
In the first packaging film and the second packaging film of integrative-structure, first packaging film is interlocked to be formed with second packaging film
The battery main cavity and the welding protection cavity.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, first packaging film
It is structure as a whole, is connected with each other by a common edge, along the common edge phase during fastening with second packaging film
Rotation is realized and fastened, so as to form the battery main cavity and the welding protection cavity.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, first packaging film
Separate with second packaging film, first packaging film is identical with the appearance and size of second packaging film, Liang Zhexiang
Mutually fasten and form the battery main cavity and the welding protection cavity.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, set on the packaging film
The main cavity groove for forming the battery main cavity is equipped with, main chamber body groove is arranged on first packaging film and/or institute
State on the second packaging film;
The protection cavity slot for forming the welding protection cavity, the protection cavity slot are provided with the packaging film
It is arranged on first packaging film and/or the second packaging film.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the positive pole welding is protected
Shield cavity is set independently of each other with the negative pole welding protection cavity.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the positive pole welding is protected
Shield cavity is located at the homonymy of the battery main cavity, or, the positive pole welding protection cavity with the negative pole welding protection cavity
With the negative pole welding protection cavity both sides that to be located at the battery main cavity relative.
As a kind of optimal technical scheme of described new type lithium ion soft-package battery encapsulating structure, the positive pole welding is protected
Shield cavity is interconnected with the negative pole welding protection cavity, and the welding protection inside cavity is simultaneously protected positioned at positive pole welding
Insulation filling material is provided between shield cavity and the negative pole welding protection cavity.
The beneficial effects of the utility model are:, can be with by setting welding protection cavity to be interconnected with battery main cavity
It is machine-shaping welding protection cavity during packaging film is molded so that the weldering that battery main body is connected with each other with pole-piece pole-ear
Connect region to be located in welding protection cavity, because welding protection cavity is pre-processed, therefore its structure, profile can obtain
Effective control, the presence of welding protection cavity can allow packaging film and inside battery material to have certain attaching space, drop significantly
Low raised welding region punctures aluminum plastic film, causes battery inflatable leakage potential safety hazard even on fire.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is new type lithium ion soft-package battery encapsulating structure stereoscopic-state schematic diagram described in the utility model embodiment one.
Fig. 2 is new type lithium ion soft-package battery encapsulating structure schematic cross-section described in the utility model embodiment one.
Fig. 3 is packaging film deployed condition schematic diagram described in the utility model embodiment one.
Fig. 4 is new type lithium ion soft-package battery encapsulating structure stereoscopic-state schematic diagram described in the utility model embodiment two.
Fig. 5 is new type lithium ion soft-package battery encapsulating structure schematic cross-section described in the utility model embodiment two.
Fig. 6 is enlarged diagram at I in Fig. 5.
Fig. 7 is packaging film deployed condition schematic diagram described in the utility model embodiment two.
Fig. 8 is new type lithium ion soft-package battery encapsulating structure stereoscopic-state schematic diagram described in the utility model embodiment three.
Fig. 9 is new type lithium ion soft-package battery encapsulating structure schematic cross-section described in the utility model embodiment three.
Figure 10 is packaging film deployed condition schematic diagram described in the utility model embodiment three.
In figure:
110th, battery main cavity;120th, welding protection cavity;121st, positive pole welding protection cavity;122nd, negative pole welding protection
Cavity;130th, packaging film;131st, the first packaging film;132nd, main cavity groove;133rd, cavity slot is protected;134th, the second packaging film;
140th, stiffener;
210th, battery main cavity;220th, welding protection cavity;221st, positive pole welding protection cavity;222nd, negative pole welding protection
Cavity;230th, packaging film;231st, the first packaging film;232nd, main cavity groove;233rd, cavity slot is protected;234th, the second packaging film;
240th, transition arc;
310th, battery main cavity;320th, welding protection cavity;321st, positive pole welding protection cavity;322nd, negative pole welding protection
Cavity;330th, packaging film;331st, the first packaging film;332nd, the second packaging film;340th, insulation filling material;
Embodiment
It is clearer for the technical scheme and the technique effect that reaches that make technical problem that the utility model solves, use,
The technical scheme of the utility model embodiment is described in further detail below in conjunction with accompanying drawing, it is clear that described reality
It is only the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
In description of the present utility model, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " it should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Embodiment one:
As shown in Figures 1 to 3, in the present embodiment, a kind of new type lithium ion soft-package battery encapsulation described in the utility model
Structure, including packaging film 130 and battery main body, the battery master for accommodating battery main body is provided with the packaging film 130
Cavity 110, and the welding protection cavity for the welding region being connected with each other for accommodating the battery main body with pole-piece pole-ear
120, the battery main cavity 110 is interconnected with the welding protection cavity 120, and the battery main body 110 has battery pole
Ear, the battery main body are located in the battery main cavity 110, and the battery pole ear and the phase of welding protection cavity 120
It is corresponding.
By setting welding protection cavity 120 to be interconnected with battery main cavity 110, can be molded in packaging film 130
During i.e. machine-shaping welding protection cavity 120 so that the welding region that battery main body is connected with each other with pole-piece pole-ear is located at
In welding protection cavity 120, because welding protection cavity 120 is pre-processed, therefore its structure, profile can obtain effectively
Control, the presence of welding protection cavity 120 can allow packaging film 130 and inside battery material to have certain attaching space, significantly
Raised welding region is reduced to puncture aluminum plastic film, cause battery inflatable leakage potential safety hazard even on fire.
Stiffener 140 is additionally provided with the present embodiment in the welding protection cavity 120, the stiffener 140 is set
Contacted in the welding protection cavity 120 with packaging film 130, when vacuumizing encapsulation raised welding region not with packaging film
130 directly contact, but are first contacted with stiffener 140, it is possible thereby to further reduce the possibility for puncturing packaging film 130.
Specifically, welding protection cavity described in the present embodiment 120 includes positive pole welding protection cavity 121 and negative pole welds
Protection cavity 122, the positive pole welding protection cavity 121 and the negative pole welding protection cavity 122 are connect along cell thickness side
To height be less than height of the battery main cavity 110 along cell thickness direction.
By the way that the height of battery main cavity 110 to be set greater than to the height of welding protection cavity 120, can avoid welding
Protection cavity 120 protrudes from battery main cavity 110 so that the profile of battery is more attractive in appearance, while reduces welding protection cavity 120
The possibility to be collided with outside, avoids it from being ruptured in the position, influences battery life as far as possible.
Packaging film 130 described in the present embodiment includes the first packaging film 131 and the second packaging film in integrative-structure
134, first packaging film 131 is interlocked to form the battery main cavity 110 and the weldering with second packaging film 134
Connect protection cavity 120.
First packaging film 131 is structure as a whole with second packaging film 134, is mutually interconnected by a common edge
Connect, rotating against realization along the common edge during fastening fastens, so as to form the battery main cavity 110 and described
Welding protection cavity 120.
The main cavity groove 132 for forming the battery main cavity 110, main chamber are provided with the packaging film 130
Body groove 132 is arranged on first packaging film 131;It is provided with the packaging film 130 for forming the welding protection chamber
The protection cavity slot 133 of body 120, the protection cavity slot 133 are arranged on first packaging film 131.By setting main chamber
Body groove 132 and protection cavity slot 133 are on the first packaging film 131, the fastening of the first packaging film 131 and the second packaging film 134
Battery main cavity 110 and welding protection cavity 120 are formed, this scheme is easy to the processing of packaging film 130 and fastens assembling.
The cavity of positive pole welding protection described in the present embodiment 121 is set independently of each other with the negative pole welding protection cavity 122
Put.The positive pole welding protection cavity 121 is located at the same of the battery main cavity 210 with the negative pole welding protection cavity 122
Side.
Embodiment two:
As also shown in e.g. figs. 4-7, in the present embodiment, a kind of new type lithium ion soft-package battery encapsulation described in the utility model
Structure, including packaging film 230 and battery main body, the battery master for accommodating battery main body is provided with the packaging film 230
Cavity 210, and the welding protection cavity for the welding region being connected with each other for accommodating the battery main body with pole-piece pole-ear
220, the battery main cavity 210 is interconnected with the welding protection cavity 220, and the battery main body has battery pole ear,
The battery main body is located in the battery main cavity 210, and the battery pole ear is relative with the welding protection cavity 220
Should.
By setting welding protection cavity 220 to be interconnected with battery main cavity 210, can be molded in packaging film 230
During i.e. machine-shaping welding protection cavity 220 so that the welding region that battery main body is connected with each other with pole-piece pole-ear is located at
In welding protection cavity 220, because welding protection cavity 220 is pre-processed, therefore its structure, profile can obtain effectively
Control, the presence of welding protection cavity 220 can allow packaging film 230 and inside battery material to have certain attaching space, significantly
Raised welding region is reduced to puncture aluminum plastic film, cause battery inflatable leakage potential safety hazard even on fire.
Specifically, welding protection cavity described in the present embodiment 220 includes positive pole welding protection cavity 221 and negative pole welds
Protection cavity 222, the positive pole welding protection cavity 221 and the negative pole welding protection cavity 222 are connect along cell thickness side
To height be less than height of the battery main cavity 210 along cell thickness direction.
By the way that the height of battery main cavity 210 to be set greater than to the height of welding protection cavity 220, can avoid welding
Protection cavity 220 protrudes from battery main cavity 210 so that the profile of battery is more attractive in appearance, while reduces welding protection cavity 220
The possibility to be collided with outside, avoids it from being ruptured in the position, influences battery life as far as possible.
The packaging film 230 for the opening position that the welding protection cavity 220 is connected with each other with the battery main cavity 210 is formed
Transition arc 240.
Transition arc 240 is set to make battery main cavity between welding protection cavity 220 and battery main cavity 210
Crossover position between 210 and welding protection cavity 220 does not produce sharp corner, reduces the possibility of breakage.
The packaging film 230 include in integrative-structure the first packaging film 231 and the second packaging film 234, described first
Packaging film 231 is interlocked to form the battery main cavity 210 and the welding protection cavity with second packaging film 234
220。
First packaging film 231 described in the present embodiment and second packaging film 234 are separate, first packaging film
231 is identical with the appearance and size of second packaging film 234, and both mutually fasten to form the battery main cavity 210 and institute
State welding protection cavity 220.
The main cavity groove 232 for forming the battery main cavity 210, main chamber are provided with the packaging film 230
Body groove 232 is separately positioned on first packaging film 231 and second packaging film 234;It is provided with the packaging film 230
For forming the protection cavity slot 233 of the welding protection cavity 220, the protection cavity slot 233 is separately positioned on described the
On one packaging film 231 and the second packaging film 234.By the way that main cavity groove 232 is separately positioned on into the first packaging film in the present embodiment
231 and second on packaging film 234, and protection cavity slot 233 is separately positioned on into the first packaging film 231 and the second packaging
On film 234, can avoid on the first packaging film 231 or the second packaging film 234 the deeper main cavity groove 232 of processing dimension and
Cavity slot 233 is protected, avoids packaging film 230 from deforming excessive and cause crack damage, influences the qualification rate of product.The program simultaneously
It can ensure that the first packaging film 231 is identical with the structure of the second packaging film 234, it is not necessary to which individually designed processing of cutting is set
It is standby, same equipment can be used to realize the processing of the first packaging film 231 and the second packaging film 234.
The cavity of positive pole welding protection described in the present embodiment 221 is set independently of each other with the negative pole welding protection cavity 222
Put, the positive pole welding protection cavity 221 is located at the same of the battery main cavity 210 with the negative pole welding protection cavity 222
Side.The setting form of welding protection cavity 220 can be designed according to the actual application scenario of battery, such as in other implementations
Also positive pole welding protection cavity 221 can be arranged on into battery main cavity 210 with negative pole welding protection cavity 222 in example to be mutually perpendicular to
Side on or the positive pole welding protection cavity 221 and the negative pole welding protection cavity 222 be located at the battery main cavity
210 relative both sides.
Embodiment three:
As shown in figs. 8-10, in the present embodiment, a kind of new type lithium ion soft-package battery encapsulation described in the utility model
Structure, including packaging film 330 and battery main body, the battery master for accommodating battery main body is provided with the packaging film 330
Cavity 310, and the welding protection cavity for the welding region being connected with each other for accommodating the battery main body with pole-piece pole-ear
320, the battery main cavity 310 is interconnected with the welding protection cavity 320, and the battery main body has battery pole ear,
The battery main body is located in the battery main cavity 310, and the battery pole ear is relative with the welding protection cavity 320
Should.
By setting welding protection cavity 320 to be interconnected with battery main cavity 310, can be molded in packaging film 330
During i.e. machine-shaping welding protection cavity 320 so that the welding region that battery main body is connected with each other with pole-piece pole-ear is located at
In welding protection cavity 320, because welding protection cavity 320 is pre-processed, therefore its structure, profile can obtain effectively
Control, the presence of welding protection cavity 320 can allow packaging film 330 and inside battery material to have certain attaching space, significantly
Raised welding region is reduced to puncture aluminum plastic film, cause battery inflatable leakage potential safety hazard even on fire.
Specifically, welding protection cavity described in the present embodiment 320 includes positive pole welding protection cavity 321 and negative pole welds
Protection cavity 322, the positive pole welding protection cavity 321 and the negative pole welding protection cavity 322 are connect along cell thickness side
To height be less than height of the battery main cavity 310 along cell thickness direction.The welding protection cavity 320 and the electricity
The packaging film 330 for the opening position that pond main cavity 310 is connected with each other forms transition arc.
By the way that the height of battery main cavity 310 to be set greater than to the height of welding protection cavity 320, can avoid welding
Protection cavity 320 protrudes from battery main cavity 310 so that the profile of battery is more attractive in appearance, while reduces welding protection cavity 320
The possibility to be collided with outside, avoids it from being ruptured in the position, influences battery life as far as possible.
Transition arc is set to make battery main cavity 310 between welding protection cavity 320 and battery main cavity 310
Crossover position between welding protection cavity 320 does not produce sharp corner, reduces the possibility of breakage.
Packaging film 330 described in the present embodiment includes the first packaging film 331 and the second packaging film in integrative-structure
330, first packaging film 331 is interlocked to form the battery main cavity 310 and the weldering with second packaging film 332
Connect protection cavity 320.
First packaging film 331 is structure as a whole with second packaging film 332, is mutually interconnected by a common edge
Connect, rotating against realization along the common edge during fastening fastens, so as to form the battery main cavity 310 and described
Welding protection cavity 320.
The cavity of positive pole welding protection described in the present embodiment 321 is interconnected with the negative pole welding protection cavity 322, institute
State the inside of welding protection cavity 320 and positioned at the positive pole welding protection cavity 321 and the negative pole welding protection cavity 322 it
Between be provided with insulation filling material 340.
In description herein, it is to be understood that term " on ", " under ", " right side ", etc. orientation or position relationship be based on
Orientation shown in the drawings or position relationship, it is for only for ease of description and simplifies operation, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.In addition, term " first ", " second ", are used only for being distinguish between in description, not special implication.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or specific features, structure, material or the feature of example description are contained at least one embodiment or example of the present utility model
In.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should to understand device
Using specification as an entirety, the technical scheme in each embodiment can also be appropriately combined, and forming those skilled in the art can
With the other embodiment of understanding.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
- A kind of 1. new type lithium ion soft-package battery encapsulating structure, it is characterised in that including packaging film and battery main body, the bag Battery main cavity and welding protection cavity are provided with dress film, the battery main cavity mutually interconnects with the welding protection cavity Logical, the battery main body has battery pole ear, and the battery main body be located in the battery main cavity, and the battery pole ear and The welding protection cavity is corresponding.
- 2. new type lithium ion soft-package battery encapsulating structure according to claim 1, it is characterised in that the welding protection chamber Body includes positive pole welding protection cavity and negative pole welding protection cavity, the positive pole welding protection cavity and negative pole weldering Connect height of the protection cavity along cell thickness direction and be less than height of the battery main cavity along cell thickness direction.
- 3. new type lithium ion soft-package battery encapsulating structure according to claim 1, it is characterised in that the welding protection chamber The packaging film for the opening position that body is connected with each other with the battery main cavity forms transition arc.
- 4. new type lithium ion soft-package battery encapsulating structure according to claim 1, it is characterised in that the packaging film includes First packaging film and the second packaging film, first packaging film are interlocked to form the battery main chamber with second packaging film Body and the welding protection cavity.
- 5. new type lithium ion soft-package battery encapsulating structure according to claim 4, it is characterised in that first packaging film It is structure as a whole, is connected with each other by a common edge, along the common edge phase during fastening with second packaging film Rotation is realized and fastened, so as to form the battery main cavity and the welding protection cavity.
- 6. new type lithium ion soft-package battery encapsulating structure according to claim 4, it is characterised in that first packaging film Separate with second packaging film, first packaging film is identical with the appearance and size of second packaging film, Liang Zhexiang Mutually fasten and form the battery main cavity and the welding protection cavity.
- 7. the new type lithium ion soft-package battery encapsulating structure according to claim 5 or 6, it is characterised in that the packaging film On be provided with main cavity groove for forming the battery main cavity, main chamber body groove be arranged on first packaging film and/ Or on second packaging film;The protection cavity slot for forming the welding protection cavity is provided with the packaging film, the protection cavity slot is set On first packaging film and/or the second packaging film.
- 8. new type lithium ion soft-package battery encapsulating structure according to claim 2, it is characterised in that the positive pole welding is protected Shield cavity is set independently of each other with the negative pole welding protection cavity.
- 9. new type lithium ion soft-package battery encapsulating structure according to claim 8, it is characterised in that the positive pole welding is protected Shield cavity is located at the homonymy of the battery main cavity, or, the positive pole welding protection cavity with the negative pole welding protection cavity With the negative pole welding protection cavity both sides that to be located at the battery main cavity relative.
- 10. new type lithium ion soft-package battery encapsulating structure according to claim 2, it is characterised in that the positive pole welding Protection cavity is interconnected with the negative pole welding protection cavity, and the welding protection inside cavity is simultaneously welded positioned at the positive pole Insulation filling material is provided between protection cavity and the negative pole welding protection cavity.
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CN201720421032.8U CN206864558U (en) | 2017-04-20 | 2017-04-20 | New type lithium ion soft-package battery encapsulating structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110364654A (en) * | 2019-07-05 | 2019-10-22 | Oppo广东移动通信有限公司 | Battery modules and its electronic equipment |
CN114361737A (en) * | 2020-09-29 | 2022-04-15 | 宁德新能源科技有限公司 | Battery and electronic device using same |
-
2017
- 2017-04-20 CN CN201720421032.8U patent/CN206864558U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110364654A (en) * | 2019-07-05 | 2019-10-22 | Oppo广东移动通信有限公司 | Battery modules and its electronic equipment |
CN110364654B (en) * | 2019-07-05 | 2022-08-05 | Oppo广东移动通信有限公司 | Battery module and electronic equipment thereof |
CN114361737A (en) * | 2020-09-29 | 2022-04-15 | 宁德新能源科技有限公司 | Battery and electronic device using same |
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