CN218577202U

CN218577202U - Aluminum plastic film and battery

Info

Publication number: CN218577202U
Application number: CN202221670731.3U
Authority: CN
Inventors: 覃定员; 王东; 徐文力; 胡文贺; 陈志勇
Original assignee: Jiangxi Weidian New Energy Co Ltd
Current assignee: Jiangxi Weidian New Energy Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-03-07
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses an aluminum plastic film and a battery, which comprises a nylon layer, an aluminum layer and a CPP film layer, wherein a first identification symbol is sprayed and printed on the inner side surface of the nylon layer; the aluminum layer is attached to the inner side surface of the nylon layer; the CPP thin film layer is attached to one side face, far away from the nylon layer, of the aluminum layer. The utility model relates to an aluminium-plastic film and battery spouts seal identification symbol through the lateral surface at the medial surface on nylon layer or aluminium lamination, for example Logo, two-dimensional code etc. can reach quick discernment aluminium-plastic film producer, and through spouting seal digital identification symbol content in the aluminium-plastic film, can distinguish and use in different production lines other, perhaps on the different models to reach quick discernment production line, battery model. The content sprayed and printed in the mode is not easy to wipe, the mark can be used for a long time without falling and wearing, and the mark can be used as an important basis for aluminum plastic film manufacturers and battery manufacturers to produce products.

Description

Aluminum plastic film and battery

Technical Field

The utility model relates to an aluminum-plastic film structure field especially relates to an aluminum-plastic film and battery.

Background

With the wider application of the aluminum-plastic film on the lithium ion battery, the aluminum-plastic films of different manufacturers are difficult to identify in appearance, and even if the manufacturer marks are printed on the nylon Long Cengwai side of the aluminum-plastic film, the aluminum-plastic film can be easily wiped clean and cannot achieve the marking effect;

similarly, if each battery manufacturer uses aluminum-plastic films of different manufacturers (high-end, middle-end, low-end, etc.) for different grades of customers (high-end, middle-end, low-end, etc.), the aluminum-plastic films are easily mixed due to the existence of the aluminum-plastic films of different manufacturers on the production line. In order to solve the above problems, the existing solutions are: the identification card is used for identification, but the mode is easy to cause confusion, and aluminum plastic films of different manufacturers are difficult to really identify.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide an aluminum-plastic film and battery, spout seal identification symbol through the lateral surface at the medial surface on nylon layer or aluminium lamination, for example Logo, two-dimensional code etc. can reach quick discernment aluminum-plastic film producer, and through spouting print number identification symbol content in the aluminum-plastic film, can distinguish and use in different production lines other, perhaps on the different models to reach quick discernment production line, battery model. The content sprayed and printed in the mode is not easy to wipe, can be used for a long time without the phenomenon of falling and abrasion of the identification symbol, and can be used as an important basis for producing products by aluminum plastic film manufacturers and battery manufacturers.

The purpose of the utility model is realized through the following technical scheme:

the utility model discloses an embodiment provides an aluminum plastic film, include: a nylon layer, an aluminum layer and a CPP film layer,

a first identification symbol is jet-printed on the inner side surface of the nylon layer;

the aluminum layer is attached to the inner side surface of the nylon layer;

the CPP thin film layer is attached to one side face, far away from the nylon layer, of the aluminum layer.

The utility model discloses another embodiment provides an aluminum plastic film, include: a nylon layer, an aluminum layer and a CPP film layer,

a second identification symbol is sprayed and printed on the outer side surface of the aluminum layer, and the aluminum layer is attached to the inner side surface of the nylon layer;

Preferably, the first identifier is any one or any combination of a number, a Logo and a two-dimensional code.

Preferably, the first identification symbol is a plurality of first numeric characters, and the numeric characters are arranged at intervals.

Preferably, the second identification symbol is any one or any combination of a number, a Logo and a two-dimensional code.

Preferably, the second identification symbol is a plurality of second numeric characters, and the numeric characters are arranged at intervals.

Preferably, the aluminum-plastic film further comprises a first adhesive layer coated between the nylon layer and the aluminum layer.

Preferably, the aluminum-plastic film further comprises a second adhesive layer coated between the CPP film layer and the aluminum layer.

Preferably, the CPP film layer comprises a heat sealing layer, a middle layer and a composite layer, two side surfaces of the middle layer are respectively attached to the heat sealing layer and the composite layer, and one side surface, far away from the middle layer, of the heat sealing layer is attached to the aluminum layer.

The utility model also provides a battery, include as above the plastic-aluminum membrane.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to an aluminium-plastic film and battery spouts seal identification symbol through the lateral surface at the medial surface on nylon layer or aluminium lamination, for example Logo, two-dimensional code etc. can reach quick discernment aluminium-plastic film producer, and through spouting seal digital identification symbol content in the aluminium-plastic film, can distinguish and use in different production lines other, perhaps on the different models to reach quick discernment production line, battery model. The content sprayed and printed in the mode is not easy to wipe, the mark can be used for a long time without falling and wearing, and the mark can be used as an important basis for aluminum plastic film manufacturers and battery manufacturers to produce products.

Drawings

Fig. 1 is a schematic structural diagram of an aluminum plastic film according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the aluminum plastic film shown in FIG. 1 from another view angle;

fig. 3 is a schematic structural view of a battery including the aluminum plastic film shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 3, an embodiment of the present invention provides an aluminum-plastic film, including: the aluminum-plastic film comprises a nylon layer 10, an aluminum layer 20 and a CPP film layer 30, wherein the aluminum-plastic film comprises three layers, namely the nylon layer 10, the aluminum layer 20 and the CPP film layer 30, and in order to achieve the purpose that the identification symbol is not easy to wipe, specifically, a first identification symbol is sprayed and printed on the inner side surface of the nylon layer 10; the aluminum layer 20 is attached to the inner side surface of the nylon layer 10; the CPP film layer 30 is attached to one side of the aluminum layer 20 away from the nylon layer 10.

Therefore, the aluminum plastic film manufacturer can be quickly identified by spraying and printing the identification symbol on the inner side surface of the nylon layer 10. And the digital identification symbol content is sprayed and printed in the aluminum plastic film, so that the aluminum plastic film can be used for different production lines or different models in a distinguishing way, and the production lines and the battery models can be quickly identified.

In addition, the utility model discloses another embodiment provides an aluminum plastic film, includes: the CPP film comprises a nylon layer 10, an aluminum layer 20 and a CPP film layer 30, wherein specifically, a second identification symbol is sprayed and printed on the outer side surface of the aluminum layer 20, and the aluminum layer 20 is attached to the inner side surface of the nylon layer 10; the CPP film layer 30 is attached to one side of the aluminum layer 20 away from the nylon layer 10.

Therefore, the aluminum-plastic film manufacturer can be quickly identified by spraying and printing identification symbols, such as Logo, two-dimensional codes and the like, on the outer side surface of the aluminum layer 20, and the digital identification symbol content sprayed and printed in the aluminum-plastic film can be distinguished and used in different production lines or different models, so as to quickly identify the production lines and the battery models.

In this embodiment, the first identifier is any one or any combination of a number, a Logo, and a two-dimensional code. Specifically, the first identification symbol is a plurality of first numeric characters, and the numeric characters are arranged at intervals. Therefore, the aluminum plastic film manufacturer can be quickly identified by jet printing the second identification symbol, namely by jet printing Logo. By spray-printing the two-dimensional code, the code can be quickly scanned, product information, manufacturer information and the like contained in the two-dimensional code are identified, and the product information contains information such as models, product batches, capacity and the like.

In this embodiment, the second identifier is any one or any combination of a number, a Logo, and a two-dimensional code. Specifically, the second identification symbol is a plurality of second numeric characters, and the numeric characters are arranged at intervals. Therefore, the aluminum plastic film manufacturer can be quickly identified by jet printing the second identification symbol, namely by jet printing Logo. By spray-printing the two-dimensional code, the code can be quickly scanned, product information, manufacturer information and the like contained in the two-dimensional code are identified, and the product information contains information such as models, product batches, capacity and the like.

Further, in order to improve the adhesion between the nylon layer 10 and the aluminum layer 20 and improve the stability of the aluminum-plastic film, in this embodiment, the aluminum-plastic film further includes a first glue layer 40, and the first glue layer 40 is coated between the nylon layer 10 and the aluminum layer 20. Thus, the adhesion between the nylon layer 10 and the aluminum layer 20 can be improved, and the stability of the aluminum plastic film can be improved.

Further, in order to improve the adhesion between the CPP thin film layer 30 and the aluminum layer 20 and improve the stability of the aluminum-plastic film, in this embodiment, the aluminum-plastic film further includes a second adhesive layer 50, and the second adhesive layer 50 is coated between the CPP thin film layer 30 and the aluminum layer 20.

Further, the CPP film layer 30 includes a heat sealing layer, an intermediate layer and a composite layer, two side surfaces of the intermediate layer are respectively attached to the heat sealing layer and the composite layer, and one side surface of the heat sealing layer away from the intermediate layer is attached to the aluminum layer 20. Thus, by providing the heat-sealing layer, the intermediate layer and the composite layer, the effects of

Referring to fig. 2 to 3, the present invention further provides a battery including the aluminum-plastic film 100. The battery also comprises a tab 200, so that the manufacturer or the cell model can be rapidly identified through the battery provided with the aluminum-plastic film.

In the process of manufacturing the aluminum-plastic film, the surface of the aluminum layer 20 is pretreated by cleaning, corrosion and the like; spraying and printing required contents such as numbers, logo, two-dimensional codes and the like on the inner side of the nylon layer 10; bonding and compounding the nylon layer 10 and the aluminum layer 20 by using a bonding agent; bonding the CPP layer and the aluminum layer 20 by using a bonding agent; by using the aluminum plastic film (Logo of a spray printing manufacturer), the aluminum plastic film can be ensured not to be mixed before being on-line; by using the aluminum plastic film (spray printed with numbers) and manufacturing batteries with different models according to different number numbers, the model of the battery core can be rapidly identified.

Furthermore, the Logo of the aluminum plastic film inner spray printing factory can be subjected to spray printing at the starting position (the unreeling position of the coiled material) and spray printing at the edge position (the edge of the coiled material), so that the Logo of the aluminum plastic film inner spray printing factory can be cut off as waste materials and rim charge when a battery factory produces the Logo, and meanwhile, the Logo of the aluminum plastic film inner spray printing factory is not influenced; the aluminum plastic film is internally sprayed and printed with numbers, and proper font size, line spacing and the like can be selected according to requirements; the two-dimensional code is sprayed and printed in the aluminum plastic film, and the proper size, the proper interval and the like can be selected according to the requirement.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An aluminum-plastic film, comprising:

the inner side surface of the nylon layer is sprayed and printed with a first identification symbol;

the aluminum layer is attached to the inner side face of the nylon layer; and

the CPP thin film layer, the CPP thin film layer is attached in the aluminium lamination is kept away from on a side of nylon layer.

2. The aluminum-plastic composite film of claim 1, wherein the first identification symbol is any one or any combination of a number, a Logo and a two-dimensional code.

3. The aluminum-plastic composite film of claim 2, wherein the first identification symbol is a plurality of first numeric characters, and the numeric characters are spaced apart from one another.

4. An aluminum-plastic film, comprising:

a nylon layer;

the outer side surface of the aluminum layer is sprayed and printed with a second identification symbol, and the aluminum layer is attached to the inner side surface of the nylon layer; and

5. The aluminum-plastic composite film of claim 4, wherein the second identification symbol is any one or any combination of a number, a Logo and a two-dimensional code.

6. The aluminum-plastic composite film of claim 5, wherein the second identification symbol is a plurality of second numeric characters, and the numeric characters are spaced apart from one another.

7. The aluminum-plastic film of claim 1 or 4, further comprising a first glue layer coated between the nylon layer and the aluminum layer.

8. The aluminum-plastic composite film of claim 7, further comprising a second glue layer coated between the CPP film layer and the aluminum layer.

9. The aluminum-plastic film of claim 8, wherein the CPP film layer comprises a heat seal layer, an intermediate layer and a composite layer, two side surfaces of the intermediate layer are respectively attached to the heat seal layer and the composite layer, and one side surface of the heat seal layer away from the intermediate layer is attached to the aluminum layer.

10. A battery comprising the aluminum plastic film of claim 9.