CN216890781U

CN216890781U - Tab glue for leakage-proof short circuit of battery packaging

Info

Publication number: CN216890781U
Application number: CN202220651664.4U
Authority: CN
Inventors: 吕秋诚
Original assignee: Dongguan Chengyu New Material Co ltd
Current assignee: Dongguan Chengyu New Material Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-05
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a tab adhesive for leakage-proof short circuit of battery package, belonging to the technical field of tab adhesives, comprising a tab adhesive body, the tab glue body comprises a core layer, an upper surface layer and a lower surface layer, the upper side and the lower side of the core layer are respectively provided with the upper surface layer and the lower surface layer, the core layer is made of insulating materials, the upper surface layer and the lower surface layer are heat sealing layers, an adhesive layer is arranged on the lower side of the lower surface layer, tearing openings are uniformly formed in one side of the tab glue body and are triangular, the upper surface layer and the lower surface layer are the same in thickness and are 42 microns, the upper side and the lower side of the core layer made of insulating materials are respectively provided with the upper surface layer and the lower surface layer, the lower side of the lower surface layer is provided with an adhesive layer, the utility model is used for bonding tab glue, and after the tab glue is used, a nickel electrode and an aluminum electrode on a battery are clamped between the tab glue and the battery, so that short circuit and liquid leakage between a metal belt and an aluminum plastic film are prevented when the battery is packaged.

Description

Tab glue for leakage-proof short circuit of battery packaging

Technical Field

The utility model relates to the technical field of tab glue, in particular to tab glue for leakage-proof short circuit in battery packaging.

Background

A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices capable of generating electrical energy.

When the battery is packaged, the short circuit and liquid leakage between the metal belt and the aluminum plastic film are generally prevented by adhering the tab glue, and the insulation property is poor in the use process of the tab glue of the conventional battery package.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tab glue for preventing short circuit in battery packaging, which aims to solve the problem of poor insulativity in the use process of the tab glue for battery packaging in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a utmost point ear is glued for battery package leak protection short circuit, includes utmost point ear and glues the body, utmost point ear is glued the body and is included sandwich layer, upper epidermis and lower top layer, both sides are provided with upper epidermis and lower top layer respectively about the sandwich layer, the sandwich layer is insulating material, upper epidermis and lower top layer are the heat-seal layer, the top layer downside is provided with the adhesive linkage down, one side that utmost point ear glued the body evenly is provided with tears the mouth.

Preferably, the upper surface layer and the lower surface layer are the same in thickness and are both 42 um.

Preferably, the core layer thickness is 16 um.

Preferably, the tear is triangular.

Compared with the prior art, the utility model has the beneficial effects that:

the upper side and the lower side of the core layer made of insulating materials are respectively provided with an upper surface layer and a lower surface layer, and the lower side of the lower surface layer is provided with a bonding layer for bonding tab glue.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention.

In the figure: 1. a tab glue body; 2. an upper surface layer; 3. a core layer; 4. a lower surface layer; 5. and (6) tearing the opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a utmost point ear is glued for battery package leak protection short circuit, glues body 1 including utmost point ear, utmost point ear is glued body 1 and is included sandwich layer 3, upper epidermis 2 and lower top layer 4, both sides are provided with upper epidermis 2 and lower top layer 4 respectively about sandwich layer 3, sandwich layer 3 is insulating material, specifically is modified PP material, upper epidermis 2 and lower top layer 4 are the heat-seal layer, 4 downside in lower top layer are provided with the adhesive linkage, one side that body 1 was glued to utmost point ear evenly is provided with tears mouth 5, tears it in the convenient to use.

The thickness of the upper surface layer 2 is the same as that of the lower surface layer 4, and the thicknesses of the upper surface layer and the lower surface layer are both 42 um.

The thickness of the core layer 3 is 16 um.

The tearing opening 5 is triangular.

The width of the tab glue body 1 is 4mm, 4.5mm, 5mm and 6mm, the tensile strength (MD) is 43.1N/10mm, the tensile strength (XD) is 45.8N/10mm, the elongation (MD) is 64.6%, the elongation (XD) is 50.3%, the interlayer strength is more than 5N/15mm, the heat seal strength (pole piece/tab glue) >15N/15mm and the heat seal strength (aluminum plastic film/tab glue) >20N/15 mm.

The working principle is as follows: the upper side and the lower side of the core layer 3 made of insulating materials are respectively provided with an upper surface layer 2 and a lower surface layer 4, and the lower side of the lower surface layer 4 is provided with a bonding layer for bonding tab glue.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a utmost point ear is glued for battery package leak protection short circuit, includes utmost point ear and glues body (1), its characterized in that: the tab glue body (1) comprises a core layer (3), an upper surface layer (2) and a lower surface layer (4), wherein the upper surface layer (2) and the lower surface layer (4) are respectively arranged on the upper side and the lower side of the core layer (3), the core layer (3) is made of an insulating material, the upper surface layer (2) and the lower surface layer (4) are heat sealing layers, a bonding layer is arranged on the lower side of the lower surface layer (4), and one side of the tab glue body (1) is uniformly provided with a tearing opening (5).

2. The tab glue for preventing the leakage and the short circuit of the battery package as claimed in claim 1, wherein: the upper surface layer (2) and the lower surface layer (4) are the same in thickness and are both 42 um.

3. The tab glue for preventing the leakage and the short circuit of the battery package as claimed in claim 1, wherein: the thickness of the core layer (3) is 16 um.

4. The tab glue for preventing the leakage and the short circuit of the battery package as claimed in claim 1, wherein: the tearing opening (5) is triangular.