Flame-retardant adhesive tape for lithium battery

Abstract

The flame-retardant adhesive tape comprises a main body unit, the main body unit comprises a base material, a pressure-sensitive adhesive layer, a release film layer, a high-temperature-resistant layer, a tensile layer, a halogen-free flame-retardant layer, a waterproof layer and a scratch-resistant layer, the pressure-sensitive adhesive layer is arranged on the lower end face of the base material, the release film layer is arranged at the lower end of the pressure-sensitive adhesive layer, and the scratch-resistant layer is arranged on the lower end face of the pressure-sensitive adhesive layer. The high-temperature-resistant layer is arranged at the upper end of the base material, the tensile layer is arranged at the upper end of the high-temperature-resistant layer, the halogen-free flame-retardant layer is arranged at the upper end of the tensile layer, and the waterproof layer is arranged at the upper end of the halogen-free flame-retardant layer. The waterproof performance of the adhesive tape can be improved through the waterproof layer, the flame retardance of the adhesive tape is improved through the arrangement of the halogen-free flame-retardant layer, the high temperature resistance of the adhesive tape can be improved through the inorganic high-temperature glue and the high-thermal-conductivity ceramic powder layer, the tensile strength of the adhesive tape can be improved through the arrangement of the organic fiber silk screen structure, and the adhesive tape can meet different use environments.

Description

Technical Field

[0001] The utility model relates to the technical field of flame retardant tapes, in particular to a flame retardant tape for lithium batteries. Background Art

[0002] Lithium batteries are often indispensable in some electronic devices. When installing lithium batteries into the casing of electronic equipment, a layer of tape is often attached to the bottom of the lithium battery to prevent damage between the electrode group of the lithium battery and the casing, thereby affecting the normal use of the lithium battery.

[0003] The existing lithium battery tape has a relatively simple structure, a relatively single function, and poor tensile strength and flame retardant and heat insulation properties, and cannot meet the needs of different usage environments.

[0004] Therefore, a flame retardant tape for lithium batteries is needed to solve the above problems. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above-mentioned problem of the flame-retardant tape for lithium batteries, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a flame retardant tape for lithium batteries, which is used to solve the problems of the existing lithium battery tape having a relatively simple structure, a relatively single function, poor tensile strength and flame retardant and heat insulation properties, and being unable to meet the needs of different usage environments.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a flame retardant tape for lithium batteries, comprising:

[0009] A main body unit, the main body unit includes a substrate, a pressure-sensitive adhesive layer, a release film layer, a high-temperature resistant layer, a tensile layer, a halogen-free flame retardant layer, a waterproof layer and an anti-scratch layer, the pressure-sensitive adhesive layer is arranged on the lower end surface of the substrate, the release film layer is arranged at the lower end of the pressure-sensitive adhesive layer, the high-temperature resistant layer is arranged at the upper end of the substrate, the tensile layer is arranged at the upper end of the high-temperature resistant layer, the halogen-free flame retardant layer is arranged at the upper end of the tensile layer, the waterproof layer is arranged at the upper end of the halogen-free flame retardant layer, the anti-scratch layer is arranged at the upper end of the waterproof layer, and the tensile layer is composed of paper and silk screen structure.

[0010] As a preferred solution of the flame-retardant tape for lithium batteries described in the utility model, wherein: a mesh groove matching the wire mesh structure is pressed on the upper end of the paper, the wire mesh structure is arranged in the mesh groove, the wire mesh structure is connected to the paper by an adhesive, and the wire mesh structure is composed of organic fibers.

[0011] As a preferred embodiment of the flame-retardant tape for lithium batteries described in the utility model, the pressure-sensitive adhesive layer is composed of a butyl rubber acrylate plasticizer and a stabilizer, and the pressure-sensitive adhesive layer is connected to the substrate through an adhesive.

[0012] As a preferred solution of the flame-retardant tape for lithium batteries described in the utility model, the high-temperature resistant layer is composed of an inorganic high-temperature adhesive and a high thermal conductivity ceramic powder layer, and the high-temperature resistant layer is connected to the substrate through an adhesive.

[0013] As a preferred embodiment of the flame-retardant tape for lithium batteries described in the utility model, the halogen-free flame-retardant layer is composed of aluminum hydroxide, the halogen-free flame-retardant layer is connected to the tensile layer through an adhesive, and the waterproof layer is composed of polyethylene.

[0014] As a preferred embodiment of the flame-retardant tape for lithium batteries described in the utility model, the anti-scratch layer is composed of buffer cotton, the upper end of the anti-scratch layer is coated with a PET film, and the anti-scratch layer is connected to the waterproof layer through an adhesive.

[0015] Beneficial effects of the utility model:

[0016] The buffer cotton can be used to buffer the tape, the waterproof layer can improve the waterproofness of the tape, the halogen-free flame retardant layer can improve the flame retardancy of the tape, the inorganic high-temperature glue and high thermal conductivity ceramic powder layer can improve the high temperature resistance of the tape, and the organic fiber mesh structure can improve the tensile strength of the tape to meet different usage environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 The utility model is a front structural schematic diagram of a flame retardant tape for lithium batteries.

[0019] Figure 2 The utility model is a schematic structural diagram of a tensile layer in a flame-retardant tape for lithium batteries.

[0020] Figure 3 The utility model is a schematic structural diagram of a scratch-resistant layer in a flame-retardant tape for lithium batteries.

[0021] Description of the drawings: 100, main unit; 101, substrate; 102, pressure-sensitive adhesive layer; 103, release film layer; 104, high temperature resistant layer; 105, tensile layer; 105a, paper; 105b, screen structure; 106, halogen-free flame retardant layer; 107, waterproof layer; 108, anti-scratch layer; 108a, buffer cotton; 108b, PET film. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] Reference Figure 1 - Figure 3 , is an embodiment of the utility model, and provides a flame retardant tape for lithium batteries, which includes:

[0027] The main body unit 100 includes a substrate 101, a pressure-sensitive adhesive layer 102, a release film layer 103, a high temperature resistant layer 104, a tensile layer 105, a halogen-free flame retardant layer 106, a waterproof layer 107 and an anti-scratch layer 108. The pressure-sensitive adhesive layer 102 is arranged on the lower end surface of the substrate 101, the release film layer 103 is arranged on the lower end of the pressure-sensitive adhesive layer 102, the high temperature resistant layer 104 is arranged on the upper end of the substrate 101, the tensile layer 105 is arranged on the upper end of the high temperature resistant layer 104, the halogen-free flame retardant layer 106 is arranged on the upper end of the tensile layer 105, the waterproof layer 107 is arranged on the upper end of the halogen-free flame retardant layer 106, the anti-scratch layer 108 is arranged on the upper end of the waterproof layer 107, and the tensile layer 105 is composed of paper 105a and a screen structure 105b.

[0028] Among them, a mesh groove matching the screen structure 105b is pressed on the upper end of the paper 105a, and the screen structure 105b is arranged in the mesh groove. The screen structure 105b is connected to the paper 105a through an adhesive. The screen structure 105b is composed of organic fibers. The setting of the organic fiber screen structure 105b can improve the tensile strength of the tape.

[0029] The pressure-sensitive adhesive layer 102 is composed of butyl rubber, acrylate, plasticizer and stabilizer. The pressure-sensitive adhesive layer 102 is connected to the substrate 101 through the adhesive, and the pressure-sensitive adhesive layer 102 improves the adhesion strength of the tape.

[0030] Among them, the high temperature resistant layer 104 is composed of an inorganic high temperature glue and a high thermal conductivity ceramic powder layer. The high temperature resistant layer 104 is connected to the substrate 101 through an adhesive. The inorganic high temperature glue and the high thermal conductivity ceramic powder layer can improve the high temperature resistance of the tape.

[0031] The halogen-free flame retardant layer 106 is made of aluminum hydroxide, connected to the tensile layer 105 by an adhesive, and the waterproof layer 107 is made of polyethylene. The waterproof layer can improve the waterproofness of the tape, and the halogen-free flame retardant layer 106 can play a flame retardant role on the tape.

[0032] The anti-scratch layer 108 is composed of a buffer cotton 108a, the upper end of the anti-scratch layer 108 is coated with a PET film 108b, and the anti-scratch layer 108 is connected to the waterproof layer 107 through an adhesive. The buffer cotton 108a can play a buffering role on the tape.

[0033] Working principle: The buffer cotton 108a can be used as a buffer for the tape, the waterproof layer can improve the waterproofness of the tape, the halogen-free flame retardant layer 106 can improve the flame retardancy of the tape, the inorganic high-temperature glue and the high thermal conductivity ceramic powder layer can improve the high temperature resistance of the tape, and the organic fiber mesh structure 105b can improve the tensile strength of the tape to meet different usage environments. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A flame retardant tape for lithium batteries, characterized in that: include: The main body unit (100) comprises a substrate (101), a pressure-sensitive adhesive layer (102), a release film layer (103), a high temperature resistant layer (104), a tensile layer (105), a halogen-free flame retardant layer (106), a waterproof layer (107) and an anti-scratch layer (108), wherein the pressure-sensitive adhesive layer (102) is arranged on the lower end surface of the substrate (101), the release film layer (103) is arranged at the lower end of the pressure-sensitive adhesive layer (102), and the high temperature resistant layer (104) is arranged on the lower end surface of the substrate (101). The temperature-resistant layer (104) is arranged on the upper end of the substrate (101), the tensile layer (105) is arranged on the upper end of the high-temperature resistant layer (104), the halogen-free flame-retardant layer (106) is arranged on the upper end of the tensile layer (105), the waterproof layer (107) is arranged on the upper end of the halogen-free flame-retardant layer (106), the anti-scratch layer (108) is arranged on the upper end of the waterproof layer (107), and the tensile layer (105) is composed of paper (105a) and a screen structure (105b).

2. The flame retardant tape for lithium battery according to claim 1, characterized in that: A mesh groove matching the screen structure (105b) is pressed on the upper end of the paper (105a), the screen structure (105b) is arranged in the mesh groove, the screen structure (105b) is connected to the paper (105a) via an adhesive, and the screen structure (105b) is composed of organic fibers.

3. The flame retardant adhesive tape for lithium battery according to claim 1, characterized in that: The pressure-sensitive adhesive layer (102) is composed of butyl rubber, acrylate, plasticizer and stabilizer, and the pressure-sensitive adhesive layer (102) is connected to the substrate (101) via an adhesive.

4. The flame retardant adhesive tape for lithium battery according to claim 1, characterized in that: The high temperature resistant layer (104) is composed of an inorganic high temperature glue and a high thermal conductivity ceramic powder layer, and the high temperature resistant layer (104) is connected to the substrate (101) via an adhesive.

5. The flame retardant adhesive tape for lithium battery according to claim 1, characterized in that: The halogen-free flame retardant layer (106) is made of aluminum hydroxide, the halogen-free flame retardant layer (106) is connected to the tensile layer (105) via an adhesive, and the waterproof layer (107) is made of polyethylene.

6. The flame retardant adhesive tape for lithium battery according to claim 1, characterized in that: The anti-scratch layer (108) is composed of buffer cotton (108a), the upper end of the anti-scratch layer (108) is coated with a PET film (108b), and the anti-scratch layer (108) is connected to the waterproof layer (107) through an adhesive.

Images