CN208722928U - A kind of battery plastic-aluminum membrane structure - Google Patents
A kind of battery plastic-aluminum membrane structure Download PDFInfo
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- CN208722928U CN208722928U CN201820766876.0U CN201820766876U CN208722928U CN 208722928 U CN208722928 U CN 208722928U CN 201820766876 U CN201820766876 U CN 201820766876U CN 208722928 U CN208722928 U CN 208722928U
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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
Abstract
The utility model belongs to battery technology field, more particularly to a kind of battery plastic-aluminum membrane structure, including the first insulating layer, second insulating layer and the aluminium foil layer being arranged between the first insulating layer and second insulating layer, between first insulating layer and the aluminium foil layer, or/and temperature-resistant insulation layer is provided between second insulating layer and the aluminium foil layer, heat resisting temperature >=200 DEG C of the temperature-resistant insulation layer.Compared with the prior art; the utility model is additionally arranged temperature-resistant insulation layer between existing insulating layer and aluminium foil layer; and it is able to bear the high temperature higher than 200 DEG C; in this way when aluminum plastic film package battery core carries out thermal welding; due to the protection of temperature-resistant insulation layer; to effectively avoid aluminium foil exposed, the risk of aluminum plastic film insulation protection disabler greatly improves the insulating properties and safety of aluminum plastic film.
Description
Technical field
The utility model belongs to battery technology field more particularly to a kind of battery plastic-aluminum membrane structure.
Background technique
In this field, aluminum plastic film is generally used to package battery core, primarily serves the effect of insulation and protection, aluminum plastic film is aluminium foil
The composite layer formed with composite material, 3-tier architecture as specifically PP- aluminium foil-PP, aluminium foil are located between two layers of PP material,
PP layer close to battery core prevents aluminium foil from being corroded by electrolyte inside, and aluminium layer plays the role of stopping steam, prevents battery flatulence.
Wherein, general to make PP layers of progress thermal welding by the way of heat-sealing when using aluminum plastic film package battery core.However,
Since PP layers of heat resisting temperature (160 ~ 170 DEG C) are relatively low, it is easy to keep aluminium foil exposed when heating sealing-in in this way, there are aluminium foils
The risk to be failed by the risk of electrolytic corrosion, insulation protection.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, and provide a kind of good insulation preformance, security performance
High battery plastic-aluminum membrane structure.
To achieve the goals above, the utility model uses following technical scheme:
A kind of battery plastic-aluminum membrane structure, including the first insulating layer, second insulating layer and setting in the first insulating layer and
Aluminium foil layer between second insulating layer, between first insulating layer and the aluminium foil layer or/and second insulating layer and the aluminium
Temperature-resistant insulation layer, heat resisting temperature >=200 DEG C of the temperature-resistant insulation layer are provided between layers of foil.
As the battery described in the utility model preferred embodiment of plastic-aluminum membrane structure, first insulating layer, described
It is carried out by way of welding or bonding between two insulating layers, the temperature-resistant insulation layer and the aluminium foil layer compound.
As the battery described in the utility model preferred embodiment of plastic-aluminum membrane structure, the temperature-resistant insulation layer is PI
Layer, PA layers, PC layers, pet layer, PBT layers or PPS layers.
As the battery described in the utility model preferred embodiment of plastic-aluminum membrane structure, first insulating layer and described
The hot melting temperature of two insulating layers distinguishes≤180 DEG C.
As the preferred embodiment of the plastic-aluminum membrane structure of battery 5 described in the utility model, first insulating layer and described
Second insulating layer is respectively PP layers, PE layers, ABS layers, POM layers or PVC layers.
The utility model has the beneficial effects that: a kind of the utility model battery plastic-aluminum membrane structure, including the first insulation
Layer, second insulating layer and the aluminium foil layer being arranged between the first insulating layer and second insulating layer, first insulating layer and institute
State between aluminium foil layer or/and second insulating layer and the aluminium foil layer between be provided with temperature-resistant insulation layer, the high-temperature insulation
Heat resisting temperature >=200 DEG C of layer.Compared with the prior art, the utility model is additionally arranged between existing insulating layer and aluminium foil layer
Temperature-resistant insulation layer, and it is able to bear the high temperature higher than 200 DEG C, in this way when aluminum plastic film package battery core carries out thermal welding, by
In the protection of temperature-resistant insulation layer, to effectively avoid aluminium foil exposed, the risk of aluminum plastic film insulation protection disabler mentions significantly
The insulating properties and safety of high aluminum plastic film.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of the utility model.
Fig. 2 is the second structural representation of the utility model.
Fig. 3 is the third structural representation of the utility model.
In figure: the first insulating layer of 1-；2- second insulating layer；3- aluminium foil layer；4- temperature-resistant insulation layer.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment and specification
Attached drawing is described in further detail the utility model and its advantages, but the embodiments of the present invention is not limited to
This.
As shown in Fig. 1 ~ 3, a kind of battery plastic-aluminum membrane structure, including the first insulating layer 1, second insulating layer 2 and setting
Aluminium foil layer 3 between the first insulating layer 1 and second insulating layer 2 is provided with high temperature resistant between first insulating layer 1 and aluminium foil layer 3
Temperature-resistant insulation layer 4 or the first insulating layer 1 and aluminium foil layer 3 are provided between insulating layer 4 or second insulating layer 2 and aluminium foil layer 3
Between temperature-resistant insulation layer 4 is provided between second insulating layer 2 and aluminium foil layer 3；The heat resisting temperature of temperature-resistant insulation layer 4 >=
200℃；Preferably, the first insulating layer 1 and the hot melting temperature of second insulating layer 2 distinguish≤180 DEG C；5 first insulating layers 1 and
Two insulating layers 2 are respectively PP layers, PE layers, abs layer, POM layers or layer of PVC；Temperature-resistant insulation layer 4 is PI layers, PA layers, PC layers, PET
Layer, PBT layers or PPS layers；Between first insulating layer 1, second insulating layer 2, temperature-resistant insulation layer 4 and aluminium foil layer 3 by welding or
The mode of bonding carries out compound.
Compared with the prior art, the utility model is additionally arranged high-temperature insulation between existing insulating layer and aluminium foil layer 3
Layer 4, and it is able to bear the high temperature higher than 200 DEG C, in this way when aluminum plastic film package battery core carries out thermal welding, since high temperature resistant is exhausted
The protection of edge layer 4, to effectively avoid aluminium foil exposed, the risk of aluminum plastic film insulation protection disabler greatly improves aluminum plastic film
Insulating properties and safety.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (3)
1. a kind of battery plastic-aluminum membrane structure, including the first insulating layer, second insulating layer and setting are in the first insulating layer and the
Aluminium foil layer between two insulating layers, it is characterised in that: between first insulating layer and the aluminium foil layer or/and second insulate
Temperature-resistant insulation layer is provided between layer and the aluminium foil layer；The temperature-resistant insulation layer be PI layers, PA layers, PC layers, pet layer,
PBT layers or PPS layers.
2. battery according to claim 1 plastic-aluminum membrane structure, it is characterised in that: first insulating layer, described second
It is carried out by way of welding or bonding between insulating layer, the temperature-resistant insulation layer and the aluminium foil layer compound.
3. battery according to claim 1 plastic-aluminum membrane structure, it is characterised in that: first insulating layer and described second
Insulating layer is respectively PP layers, PE layers, abs layer, POM layers or layer of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766876.0U CN208722928U (en) | 2018-05-22 | 2018-05-22 | A kind of battery plastic-aluminum membrane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766876.0U CN208722928U (en) | 2018-05-22 | 2018-05-22 | A kind of battery plastic-aluminum membrane structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722928U true CN208722928U (en) | 2019-04-09 |
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ID=65970645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820766876.0U Active CN208722928U (en) | 2018-05-22 | 2018-05-22 | A kind of battery plastic-aluminum membrane structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN208722928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136970A (en) * | 2019-12-19 | 2020-05-12 | 深圳市海盈科技有限公司 | Aluminum plastic film for lithium ion battery and lithium ion battery |
-
2018
- 2018-05-22 CN CN201820766876.0U patent/CN208722928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136970A (en) * | 2019-12-19 | 2020-05-12 | 深圳市海盈科技有限公司 | Aluminum plastic film for lithium ion battery and lithium ion battery |
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Effective date of registration: 20220126 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: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |