CN206322806U - Housing of power cell capsule structure - Google Patents
Housing of power cell capsule structure Download PDFInfo
- Publication number
- CN206322806U CN206322806U CN201720007157.6U CN201720007157U CN206322806U CN 206322806 U CN206322806 U CN 206322806U CN 201720007157 U CN201720007157 U CN 201720007157U CN 206322806 U CN206322806 U CN 206322806U
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- CN
- China
- Prior art keywords
- housing
- capsule structure
- battery container
- otch
- power cell
- 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.)
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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
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model belongs to lithium ion battery manufacturing technology field, more particularly to a kind of housing of power cell capsule structure, including battery container, and the battery container outer surface is coated with PET insulating protective films, and the PET insulating protective films are formed in one structure.The design of the utility model battery container capsule structure is simple, easy to operate, has good insulation protection effect to battery container；On the one hand, the PET insulating protective films of battery container outer surface are coated on, the damage of battery casing surface can be effectively prevented, the security performance of battery is improved；On the other hand, integrally formed capsule structure can overcome the existing coating process need to paste the defect of bottom paster, effectively improve coating efficiency, and reduce production cost；And integrally formed capsule structure also contributes to the adhesive effect of PET insulating protective films and battery container.
Description
Technical field
The utility model belongs to lithium ion battery manufacturing technology field, more particularly to a kind of housing of power cell coating
Structure.
Background technology
Lithium-ion-power cell is because having the advantages that high-energy-density, high working voltage and long life, each
Plant and be widely used in electric tool, the various electronic traffic of such as electric bicycle, battery-operated motor cycle and electric automobile
Instrument.
At present, the shell of lithium-ion-power cell is all the aluminum hull of fine aluminium material or the box hat of stainless steel.This two
Plant material very bright and clean in itself, but the resultant battery shell being made of this kind of material is substantially intensely dark, and surface also has perhaps
Many strip cuts, hickie, blackspot, sags and crests, or even have harsh feeling.Because either box hat or aluminum hull, their housing wall
It is all very thin, therefore wearability and deformation resistance extreme difference, especially in the preparation process of battery, housing will pass through spot welding, laser
Many operational sequences such as weldering, fluid injection, cleaning, forming and capacity dividing, and each procedure is all to complete each with fixture self-contained battery housing
Item technological operation, therefore different degrees of damage can be caused to surface of shell, surface is produced concave point and cut etc..Although taking
Some safeguard measures, such as operationally note measure of handling with care, but effect is still less desirable.
As shown in figure 1, in the prior art, typically can be in the table of battery container 1 ' in order to avoid the surface damage of battery container 1 '
Face pastes diaphragm 2 ', yet with the limitation of existing coating process, and diaphragm 2 ' can only typically be coated on battery container 1 '
Sideways, the bottom surface of battery container 1 ' needs to paste bottom paster 3 ' in addition.Due to many production processes for pasting bottom paster together, so
Production efficiency is not only greatly reduced, while also reducing the adhesive effect of diaphragm 2 ' and battery container 1 '.
In view of this, it is necessory to be further improved to existing housing of power cell capsule structure, to prevent battery
The damage of surface of shell, while improving coating efficiency and adhesive effect.
Utility model content
The purpose of this utility model is：In view of the shortcomings of the prior art, a kind of housing of power cell coating knot is provided
Structure, to prevent the damage of battery casing surface, while improving coating efficiency and adhesive effect.
To achieve these goals, the utility model uses solution below：
A kind of housing of power cell capsule structure, including battery container, the battery container outer surface are coated with PET insulation
Diaphragm, the PET insulating protective films are formed in one structure.
Improved as one kind of the utility model housing of power cell capsule structure, the PET insulating protective films include side
Shape diaphragm and the insulating cement for being arranged at square diaphragm, the side of the center edge portion of the square diaphragm offer the first otch and the
Two incisions, are formed with first between first otch and second otch and turn up piece；The center edge portion of the square diaphragm
Opposite side offer the 3rd otch and the 4th otch, being formed with second between the 3rd otch and the 4th otch turns up
Piece；First otch is corresponding with the 3rd otch, and second otch is corresponding with the 4th otch.Wherein, shape
Into first turn up piece and second and turn up piece and be used to coat the base angles of battery container both sides, to realize to battery container outer surface
Coat completely；And insulating cement can effectively improve the adhesive effect of PET insulating protective films and battery container.
Improved as one kind of the utility model housing of power cell capsule structure, the square diaphragm and the battery case
The surface of body contact is set to frosted shape or is provided with groove, to increase the bond area of PET insulating protective films and battery container,
So as to REINFORCED PET insulating protective film and the adhesive effect of battery container, diaphragm degumming is prevented.
Improved as one kind of the utility model housing of power cell capsule structure, described first turns up piece and described second
The size for turning up piece is identical.
Improved as one kind of the utility model housing of power cell capsule structure, described first turns up piece and described second
The length L for turning up piece is 8~50mm.
Improved as one kind of the utility model housing of power cell capsule structure, described first turns up piece and described second
The width W for turning up piece is 10~50mm.
Improved as one kind of the utility model housing of power cell capsule structure, the width W of length L ＜ 1/3.So can
Ensure the complete cladding to the narrow side of battery container two.
Improved as one kind of the utility model housing of power cell capsule structure, the square diaphragm passes through insulating cement bag
Overlay on battery container outer surface and form hollow cube structure.
Improved as one kind of the utility model housing of power cell capsule structure, the battery container is aluminum hull or steel
Shell.
As the utility model housing of power cell capsule structure one kind improve, the battery container be square casing or
Cylindrical housings.
Improved as one kind of the utility model housing of power cell capsule structure, the thickness of the PET insulating protective films
For 0.05~5mm.If PET insulating protective films are blocked up, the energy density of electrokinetic cell can be reduced；If PET insulating protective film mistakes
Thin, then toughness not enough, does not have the good effect for preventing surface of shell from damaging.
Improved as one kind of the utility model housing of power cell capsule structure, the thickness of the PET insulating protective films
For 0.1~1mm.
Compared to prior art, the beneficial effects of the utility model are：The utility model battery container capsule structure is set
Meter is simple, easy to operate, has good insulation protection effect to battery container；On the one hand, it is coated on battery container outer surface
PET insulating protective films, can effectively prevent the damage of battery casing surface, improve the security performance of battery；On the other hand, one
The capsule structure of shaping can overcome the existing coating process need to paste the defect of bottom paster, effectively improve coating efficiency, and reduce life
Produce cost；And integrally formed capsule structure also contributes to the adhesive effect of PET insulating protective films and battery container.
Brief description of the drawings
Fig. 1 is the schematic diagram of battery container capsule structure in the prior art.
Fig. 2 is the decomposing schematic representation of the utility model capsule structure.
Fig. 3 be the utility model in PET insulating protective films coated after structural representation.
Fig. 4 be the utility model in PET insulating protective films coated before structural representation.
In figure：1 '-battery container；2 '-diaphragm；3 '-bottom paster；1- battery containers；2-PET insulating protective films；3- side
Shape diaphragm；The otch of 4- first；The otch of 5- second；The otch of 6- the 3rd；The otch of 7- the 4th；8- first turns up piece；9- second turns up piece.
Embodiment
The utility model and its advantage are made further in detail below in conjunction with embodiment and Figure of description
Describe in detail bright, still, embodiment of the present utility model is not limited thereto.
As shown in figs. 2 to 4：A kind of housing of power cell capsule structure, including battery container 1, battery container 1 be aluminum hull or
The square casing or cylindrical housings of box hat formation；The outer surface of battery container 1 is coated with PET insulating protective films 2, and PET is exhausted
Edge diaphragm 2 is formed in one structure；Wherein, the thickness of PET insulating protective films 2 is 0.05~5mm；If PET insulating protective films 2
It is blocked up, then it can reduce the energy density of electrokinetic cell；If PET insulating protective films 2 are excessively thin, toughness not enough, does not have good
Prevent surface of shell damage effect.
Compared to prior art, the design of the utility model battery container capsule structure is simple, easy to operate, to battery container
1 has good insulation protection effect；On the one hand, the PET insulating protective films 2 of the outer surface of battery container 1 are coated on, can effectively be prevented
The only damage on the surface of battery container 1, improves the security performance of battery；On the other hand, integrally formed capsule structure can overcome
Existing coating process need to paste the defect of bottom paster, effectively improve coating efficiency, and reduce production cost, and integrally formed bag
Membrane structure also contributes to the adhesive effect of PET insulating protective films 2 and battery container 1.
In the embodiment according to housing of power cell capsule structure of the present utility model, PET insulating protective films 2 include
Square diaphragm 3 and the insulating cement for being arranged at square diaphragm 3, the side of the center edge portion of square diaphragm 3 offers the He of the first otch 4
Second otch 5, is formed with first between the first otch 4 and the second otch 5 and turns up piece 8；The center edge portion of square diaphragm 3 it is another
Side offers the 3rd otch 6 and the 4th otch 7, and being formed with second between the 3rd otch 6 and the 4th otch 7 turns up piece 9；First cuts
The otch 6 of mouth 4 and the 3rd is corresponding, and the second otch 5 and the 4th otch 7 are corresponding.Wherein, the first of formation turns up piece 8 and second
The base angle that piece 9 is used to coat the both sides of battery container 1 is turned up, to realize the complete cladding to the outer surface of battery container 1；Square diaphragm
3 are coated on the outer surface of battery container 1 by insulating cement forms hollow cube structure.
In the embodiment according to housing of power cell capsule structure of the present utility model, square diaphragm 3 and battery case
The surface that body 1 is contacted is set to frosted shape or is provided with groove, to increase the bonding plane of PET insulating protective films 2 and battery container 1
Product, so that the adhesive effect of REINFORCED PET insulating protective film 2 and battery container 1, prevents diaphragm degumming.
In the embodiment according to housing of power cell capsule structure of the present utility model, first turns up piece 8 and second
The size for turning up piece 9 is identical.
In the embodiment according to housing of power cell capsule structure of the present utility model, first turns up piece 8 and second
The length L for turning up piece 9 is 8~50mm.
In the embodiment according to housing of power cell capsule structure of the present utility model, first turns up piece 8 and second
The width W for turning up piece 9 is 10~50mm.
In the embodiment according to housing of power cell capsule structure of the present utility model, the width W of length L ＜ 1/3.This
Sample ensure that the complete cladding to 1 liang of narrow side of battery container.
In the embodiment according to housing of power cell capsule structure of the present utility model, the thickness of PET insulating protective films 2
Spend for 0.1~1mm.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned embodiment, every this area skill
It is new that art personnel any conspicuously improved, replacement made on the basis of the utility model or modification belong to this practicality
The protection domain of type.Although in addition, having used some specific terms in this specification, these terms are intended merely to convenient say
It is bright, any limitation is not constituted to the utility model.
Claims (10)
1. a kind of housing of power cell capsule structure, including battery container, it is characterised in that：The battery container outer surface cladding
There are a PET insulating protective films, the PET insulating protective films are formed in one structure.
2. housing of power cell capsule structure according to claim 1, it is characterised in that：The PET insulating protective films include side
Shape diaphragm and the insulating cement for being arranged at square diaphragm, the side of the center edge portion of the square diaphragm offer the first otch and the
Two incisions, are formed with first between first otch and second otch and turn up piece；The center edge portion of the square diaphragm
Opposite side offer the 3rd otch and the 4th otch, being formed with second between the 3rd otch and the 4th otch turns up
Piece；First otch is corresponding with the 3rd otch, and second otch is corresponding with the 4th otch.
3. housing of power cell capsule structure according to claim 2, it is characterised in that：Described first turns up piece and described second
The size for turning up piece is identical.
4. housing of power cell capsule structure according to claim 3, it is characterised in that：Described first turns up piece and described second
The length L for turning up piece is 8~50mm.
5. housing of power cell capsule structure according to claim 3, it is characterised in that：Described first turns up piece and described second
The width W for turning up piece is 10~50mm.
6. housing of power cell capsule structure according to claim 2, it is characterised in that：The square diaphragm passes through the insulation
Glue is coated on the battery container outer surface and forms hollow cube structure.
7. housing of power cell capsule structure according to claim 1, it is characterised in that：The battery container is aluminum hull or steel
Shell.
8. housing of power cell capsule structure according to claim 1, it is characterised in that：The battery container be square casing or
Cylindrical housings.
9. housing of power cell capsule structure according to claim 1, it is characterised in that：The thickness of the PET insulating protective films
For 0.05~5mm.
10. housing of power cell capsule structure according to claim 9, it is characterised in that：The thickness of the PET insulating protective films
For 0.1~1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007157.6U CN206322806U (en) | 2017-01-04 | 2017-01-04 | Housing of power cell capsule structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007157.6U CN206322806U (en) | 2017-01-04 | 2017-01-04 | Housing of power cell capsule structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206322806U true CN206322806U (en) | 2017-07-11 |
Family
ID=59261635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720007157.6U Active CN206322806U (en) | 2017-01-04 | 2017-01-04 | Housing of power cell capsule structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206322806U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832148A (en) * | 2018-06-28 | 2018-11-16 | 惠州华科技术研究院有限公司 | Battery insulation membrane envelope device |
| CN109037526A (en) * | 2018-07-25 | 2018-12-18 | 长兴鑫泓新能源科技有限公司 | A kind of high adaptation lithium coin cells |
| CN110419133A (en) * | 2017-12-19 | 2019-11-05 | 株式会社Lg化学 | Electrode assembly and its manufacturing method |
| CN111384314A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN112259795A (en) * | 2020-04-30 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery cell assembling method and battery cell |
-
2017
- 2017-01-04 CN CN201720007157.6U patent/CN206322806U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419133A (en) * | 2017-12-19 | 2019-11-05 | 株式会社Lg化学 | Electrode assembly and its manufacturing method |
| CN110419133B (en) * | 2017-12-19 | 2022-08-30 | 株式会社Lg新能源 | Electrode assembly and method of manufacturing the same |
| CN108832148A (en) * | 2018-06-28 | 2018-11-16 | 惠州华科技术研究院有限公司 | Battery insulation membrane envelope device |
| CN108832148B (en) * | 2018-06-28 | 2023-10-10 | 惠州华科技术研究院有限公司 | Battery insulating film coating device |
| CN109037526A (en) * | 2018-07-25 | 2018-12-18 | 长兴鑫泓新能源科技有限公司 | A kind of high adaptation lithium coin cells |
| CN111384314A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN111384314B (en) * | 2018-12-29 | 2021-01-19 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN112259795A (en) * | 2020-04-30 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery cell assembling method and battery cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180604 Address after: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Co-patentee after: DONGGUAN TAFEIER NEW ENERGY TECHNOLOGY CO., LTD. Patentee after: Jiangsu Tafel new energy Polytron Technologies Inc Co-patentee after: SHENZHEN TAFEL AMPEREX TECHNOLOGY CO., LTD. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Co-patentee before: SHENZHEN TAFEL AMPEREX TECHNOLOGY CO., LTD. Patentee before: DONGGUAN TAFEIER NEW ENERGY TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220120 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |