CN206388766U - A kind of flexible packing lithium ion battery for eliminating flatulence - Google Patents
A kind of flexible packing lithium ion battery for eliminating flatulence Download PDFInfo
- Publication number
- CN206388766U CN206388766U CN201720031336.3U CN201720031336U CN206388766U CN 206388766 U CN206388766 U CN 206388766U CN 201720031336 U CN201720031336 U CN 201720031336U CN 206388766 U CN206388766 U CN 206388766U
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- China
- Prior art keywords
- gland
- base
- lithium ion
- cooling down
- aluminum plastic
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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
-
- 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 flexible packing lithium ion battery for eliminating flatulence, including the battery core being placed in aluminum plastic membrane shell, battery core surface forming has the breach of depression, cooled down device provided with stealth in breach, the stealth cools down device including base, the deformable seal block got lodged in base groove provided with pressure on interior venthole, deformable seal block is pressed on interior venthole by gland, multiple holes of cooling down are provided with gland, aluminum plastic membrane shell correspondence stealth setting position of cooling down also is provided with multiple outer ventholes, the top surface of base is connected with aluminum plastic membrane shell inwall, and the hole of cooling down in gland corresponds with the outer venthole in aluminum plastic membrane shell and connected.The utility model is simple in construction, using large-scale industrial production, effectively can discharge the flatulence of inside lithium ion cell output.
Description
Technical field
The utility model is related to field of lithium ion battery, specifically a kind of flexible packing lithium ion battery for eliminating flatulence.
Background technology
Lithium ion battery due to specific energy is high, operating voltage is high, have extended cycle life, memory-less effect and pollution it is few etc.
Advantage, has been widely used in the communications and digital product such as mobile phone, pocket computer, digital camera.In recent years in electricity
The application and development in the fields such as power driven tools, electric car, space satellite, weaponry and various energy storage devices also gradually shows good
Good prospect.
The lithium ion battery negative material of current commercialization is embedding lithium carbon material mostly, due to the electricity of carbon electrode after embedding lithium
Position and the current potential of lithium metal very close to, when the battery is overcharged, the easy precipitating metal lithium of carbon electrodes, it and electrolyte reaction production
Raw combustible gas mixture, thus cause very big potential safety hazard to battery, particularly electrokinetic cell.Therefore, find and compare carbon
Negative pole embedded lithium, cheap and easy to get, safe and reliable new material lithium titanate under slightly positive current potential cause the extensive attention of people.
Power lithium-ion battery generally existing flatulence problem by negative pole of lithium titanate, has had a strong impact on the hair of battery performance
Wave.The earliest Toshiba of company of lithium titanate battery industrialization refer in its two patent delivered lithium titanate battery exist it is swollen
Gas problem, Toshiba, which proposes, to be added the additive of higher boiling and easy film forming in electrolyte solution and is split into passivating film in negative terminal surface
To improve flatulence method；EnerDel companies of the U.S. also report lithium titanate battery in the year report of USDOE 2009
There are problems that flatulence, and report using electrolyte solution component is improved to improve flatulence.
The above method has certain saving grace, but has higher requirement, pole to the purity of additive in the above method
Piece doping can bring the problem of energy density reduces and be scattered uneven, be unfavorable for industrialized production.
Utility model content the purpose of this utility model is to provide a kind of flexible packing lithium ion battery for eliminating flatulence,
To solve the problem of lithium ion battery later stage flatulence can not be eliminated.
In order to achieve the above object, the technical scheme that the utility model is used for：
A kind of to eliminate the flexible packing lithium ion battery of flatulence, including the battery core being placed in aluminum plastic membrane shell, its feature exists
In：Battery core surface forming has in the breach of depression, breach cools down device provided with stealth, and stealth device of cooling down includes base, bottom
Seat top has groove, and groove bottom land is provided with the interior venthole of vertically communicated base, and being additionally provided with pressure in groove gets lodged in interior venthole
The deformable seal block in upper end aperture, the groove middle cover of base enters to have gland, and deformable seal block is pressed in interior outlet by the gland
In Kong Shang, gland be provided with multiple vertically communicated glands hole of cooling down, and hole of cooling down position avoid respectively gland with it is deformable close
Seal block contact position, aluminum plastic membrane shell correspondence stealth setting position of cooling down also is provided with multiple outer ventholes, the base
Top surface is connected with aluminum plastic membrane shell inwall, and the hole of cooling down in gland corresponds with the outer venthole in aluminum plastic membrane shell and connected
It is logical.
A kind of described flexible packing lithium ion battery for eliminating flatulence, it is characterised in that：At the top of the gland relative to
Base top is protruded, and aluminum plastic membrane shell inwall forms circular groove, and the circular groove shape is matched with gland protuberance, outer venthole difference
Circular groove bottom land is located at, when the top surface of base is connected with aluminum plastic membrane shell inwall, in gland protuberance insertion circular groove, and in gland
Hole one-to-one corresponding of cooling down is connected with the outer venthole of circular groove bottom land.
A kind of described flexible packing lithium ion battery for eliminating flatulence, it is characterised in that：The aluminum plastic membrane shell inwall
Using thermofussion welding or ultrasonic bond or binding agent bonding or screw threads for fastening mode and the seamless company of base top surface of stealthy device of cooling down
Connect.
A kind of described flexible packing lithium ion battery for eliminating flatulence, it is characterised in that：The stealth is cooled down in device
Base and gland be made of PP or PE or PET or stainless steel material, deformable seal block uses EPDM material
It is made.
A kind of described flexible packing lithium ion battery for eliminating flatulence, it is characterised in that：The gland using thermofussion welding,
Or ultrasonic bond or binding agent are bonded or screw threads for fastening mode links together with base.
A kind of described flexible packing lithium ion battery for eliminating flatulence, it is characterised in that：Lithium ion battery uses the later stage
Aerogenesis is enclosed in inside battery increase internal pressure, deformable seal block is cooled down after deforming by hole of cooling down.
In the utility model, stealth cool down apparatus structure as the depression notch geometry of battery core, it is ensured that soft-package battery into
Whole structure is smooth after type, beneficial in groups.The flatulence that lithium ion battery is produced using the later stage is enclosed in inside battery, makes in battery
Portion pressure increase, and then can deform deformable seal block, gas is after interior venthole enters in base groove, then by cooling down
Outer venthole discharge in hole, aluminum plastic membrane shell, so that function of cooling down can be realized.
The utility model is simple in construction, using large-scale industrial production, effectively can produce inside lithium ion cell
The flatulence discharge gone out.
Brief description of the drawings
Fig. 1 is that the utility model stealth is cooled down apparatus structure front view.
Fig. 2 is that stealth is cooled down understructure top view in device.
Fig. 3 is that stealth is cooled down deformable seal block structure top view in device.
Fig. 4 is that stealth is cooled down gland structure top view in device.
Fig. 5 is that stealth is cooled down scheme of installation between device and battery core.
Fig. 6 is gas cell distribution schematic diagram of being gone out in aluminum plastic membrane shell.
Embodiment
It is a kind of to eliminate the flexible packing lithium ion battery of flatulence as shown in Fig. 1-Fig. 6, including be placed in aluminum plastic membrane shell 1
Battery core 2, the surface forming of battery core 2 has in the breach of depression, breach cools down device 3 provided with stealth, and stealth device 3 of cooling down includes
Base 31, the top of base 31 has groove 32, and the bottom land of groove 32 is provided with the interior venthole 33 of vertically communicated base, groove 32 also
The deformable seal block 34 in the interior upper end aperture of venthole 33 is got lodged in provided with pressure, the middle cover of groove 32 of base 31 enters to have gland 35, should
Deformable seal block 34 is pressed on interior venthole 33 by gland 35, and the hole of cooling down of multiple vertically communicated glands is provided with gland 35
36, and gland 35 and the contact position of deformable seal block 34 are avoided in the position in hole 36 of cooling down respectively, the correspondence of aluminum plastic membrane shell 1 is stealthy
The position of device 3 of cooling down also is provided with multiple outer ventholes 4, and the top surface of base 31 is connected with the inwall of aluminum plastic membrane shell 1, and in gland 35
Cool down hole 36 with aluminum plastic membrane shell 1 outer venthole 4 correspond connect.
The top of gland 35 is protruded relative to the top of base 31, and the inwall of aluminum plastic membrane shell 1 forms circular groove 5, the shape of circular groove 5
Matched with the protuberance of gland 35, outer venthole 4 is respectively provided at the bottom land of circular groove 5, top surface and the inwall of aluminum plastic membrane shell 1 of base 31 connect
When connecing, in the protuberance of gland 35 insertion circular groove 5, and the outer outlet of the cool down one-to-one corresponding of hole 36 and the bottom land of circular groove 5 in gland 35
Hole 4 is connected.
The inwall of aluminum plastic membrane shell 1 is using thermofussion welding or ultrasonic bond or binding agent bonding or screw threads for fastening mode and stealth
Cool down device 3 the top surface of base 31 be seamlessly connected.
The base 31 and gland 35 that stealth is cooled down in device 3 are made of PP or PE or PET or stainless steel material,
Deformable seal block 34 is made of EPDM material.
Gland 35 is connected to one using thermofussion welding or ultrasonic bond or binding agent bonding or screw threads for fastening mode with base 31
Rise.
Lithium ion battery is enclosed in inside battery increase internal pressure using later stage aerogenesis, deformable seal block is passed through after deforming
Hole of cooling down is cooled down.
The utility model number of assembling steps is as follows：
1）Stealth is cooled down device shaping, the upper deformable seal block of pressure on the interior venthole that stealthy will be cooled down in device pedestal,
Gland on deformable seal block with hole of cooling down in pressure, gland is using thermofussion welding, ultrasonic bond, binding agent bonding, screw threads for fastening
Mode links together with base；
2）The battery core of soft-package battery is recessed one piece in process of production；
3）At aluminum plastic membrane shell inwall correspondence battery core notch, using thermofussion welding, ultrasonic bond, binding agent bonding, screw threads for fastening
Mode is by aluminum plastic membrane shell inwall together with the base seamless connection of stealthy device of cooling down.
4）Battery core and aluminum plastic membrane shell are integrally packaged.
Claims (6)
1. the flexible packing lithium ion battery of flatulence is eliminated a kind of, including the battery core being placed in aluminum plastic membrane shell, it is characterised in that：
Battery core surface forming has in the breach of depression, breach cools down device provided with stealth, and stealth device of cooling down includes base, base top
Portion has a groove, and groove bottom land, which is provided with, to be additionally provided with pressure in the interior venthole of vertically communicated base, groove and get lodged in interior venthole upper end
The deformable seal block in aperture, the groove middle cover of base enters to have gland, and deformable seal block is pressed on interior venthole by the gland,
The hole of cooling down of multiple vertically communicated glands is provided with gland, and the position in hole of cooling down is avoided gland and connect with deformable seal block respectively
Touch position, aluminum plastic membrane shell correspondence stealth setting position of cooling down also is provided with multiple outer ventholes, the top surface of the base with
Aluminum plastic membrane shell inwall is connected, and the hole of cooling down in gland corresponds with the outer venthole in aluminum plastic membrane shell and connected.
2. a kind of flexible packing lithium ion battery for eliminating flatulence according to claim 1, it is characterised in that：The gland
Top is protruded relative to base top, and aluminum plastic membrane shell inwall forms circular groove, and the circular groove shape is matched with gland protuberance, outside
Venthole is respectively provided at circular groove bottom land, when the top surface of base is connected with aluminum plastic membrane shell inwall, in gland protuberance insertion circular groove,
And the hole of cooling down in gland corresponds and connected with the outer venthole of circular groove bottom land.
3. a kind of flexible packing lithium ion battery for eliminating flatulence according to claim 1, it is characterised in that：The plastic-aluminum
Film outer casing inner wall is using thermofussion welding or ultrasonic bond or binding agent bonding or screw threads for fastening mode and the base of stealthy device of cooling down
Top surface is seamlessly connected.
4. a kind of flexible packing lithium ion battery for eliminating flatulence according to claim 1, it is characterised in that：The stealth
Cool down base and gland in device is made of PP or PE or PET or stainless steel material, and deformable seal block uses three
First material of second third is made.
5. a kind of flexible packing lithium ion battery for eliminating flatulence according to claim 1, it is characterised in that：The gland
Linked together using thermofussion welding or ultrasonic bond or binding agent bonding or screw threads for fastening mode with base.
6. a kind of flexible packing lithium ion battery for eliminating flatulence according to claim 1, it is characterised in that：Lithium-ion electric
Pond is enclosed in inside battery increase internal pressure using later stage aerogenesis, deformable seal block is cooled down after deforming by hole of cooling down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031336.3U CN206388766U (en) | 2017-01-11 | 2017-01-11 | A kind of flexible packing lithium ion battery for eliminating flatulence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031336.3U CN206388766U (en) | 2017-01-11 | 2017-01-11 | A kind of flexible packing lithium ion battery for eliminating flatulence |
Publications (1)
| Publication Number | Publication Date |
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| CN206388766U true CN206388766U (en) | 2017-08-08 |
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| CN201720031336.3U Active CN206388766U (en) | 2017-01-11 | 2017-01-11 | A kind of flexible packing lithium ion battery for eliminating flatulence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508009A (en) * | 2017-08-24 | 2017-12-22 | 四川长虹电源有限责任公司 | The method for eliminating soft bag lithium ionic cell flatulence |
-
2017
- 2017-01-11 CN CN201720031336.3U patent/CN206388766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508009A (en) * | 2017-08-24 | 2017-12-22 | 四川长虹电源有限责任公司 | The method for eliminating soft bag lithium ionic cell flatulence |
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