Easily-torn paste, battery cell unit and electronic equipment

Abstract

The utility model discloses an easy-to-tear sticker which comprises an easy-to-tear sticker body, first handle parts and second handle parts, and the first handle parts are arranged on the two sides of the easy-to-tear sticker body in the first direction respectively. The second handle part is integrally arranged on the surface of one side of the easy-to-tear sticker body, the second handle part is located between the first handle parts on the two sides, and the first handle parts, the second handle part and the easy-to-tear sticker body can jointly define at least two mounting positions. Therefore, according to the easy-to-tear sticker, the first handle part and the second handle part arranged in the middle of the easy-to-tear sticker are arranged, the first handle part provides pulling force for the two opposite side edges of the easy-to-tear sticker body, and the second handle part can provide pulling force for the middle of the easy-to-tear sticker to pull out the easy-to-tear sticker and a component placed in an installation position together.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to an easy-tear sticker used on a battery, a battery cell unit provided with the easy-tear sticker, and an electronic device comprising the battery cell unit. Background Art

[0002] In the process of disassembling components from the structure to be disassembled, the components are often damaged due to uneven disassembly force. Taking the battery cell as an example, multi-cell batteries can effectively solve the increasing power consumption of mobile phones and increase the standby time of mobile phones. Multi-cell batteries are widely used, but the strength of multi-cell batteries is reduced. Adjacent cells are generally fixed with adhesive tape. During the disassembly process, due to the lack of rigid support between adjacent cells, the battery is prone to bending and deformation, resulting in damage to the protective plate connecting the cells, and loss of the battery reuse opportunity. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to overcome the problem that the battery is prone to bending and deformation due to the lack of rigid support between the battery cells during the disassembly process of the battery cells.

[0004] In order to solve the above problems, the utility model provides the following technical solutions:

[0005] An easy-to-tear sticker, comprising:

[0006] Easy to peel off the body;

[0007] A first handle portion, wherein the first handle portions are respectively disposed on both sides of the easy-tear label body along a first direction;

[0008] The second handle portion is integrally arranged on a side surface of the tear-off label body, and the second handle portion is located between the first handle portions on both sides. The first handle portion, the second handle portion and the tear-off label body can be enclosed together to form at least two installation positions.

[0009] Optionally, in the above-mentioned easy tear sticker, one end of the first handle portion is attached to another surface of the easy tear sticker body away from the second handle portion, and the other end of the first handle portion extends away from the easy tear sticker body to form a free end.

[0010] Optionally, in the above-mentioned easy-tear sticker, along the second direction, the size of the first handle portion is smaller than the size of the easy-tear sticker body, and the first handle portion includes a protrusion protruding from the first handle portion body on a side away from the free end.

[0011] A battery cell unit comprises the above-mentioned easy-tear sticker and a plurality of battery cells. In the arrangement direction of the battery cells, the easy-tear sticker body is arranged on the back of the battery cell unit and extends to both sides and covers at least part of the side edges of the battery cells. The battery cells can be accommodated in the installation position.

[0012] Optionally, in the above-mentioned battery cell unit, the second handle portion includes an extension area and a handle area connected to the extension area, the extension area is located between adjacent battery cells and bonded to the battery cells, and the handle area is located on the top surface of the battery cell.

[0013] Optionally, in the above-mentioned battery cell unit, in the length direction of the battery cell unit, the size of the extension area is greater than or equal to the size of the handle area.

[0014] Optionally, in the above battery cell unit,

[0015] A first adhesive layer is disposed on the side of the handle area, and the handle area is adhesively connected to the battery core through the first adhesive layer;

[0016] A second adhesive layer is respectively disposed on two side surfaces of the extension area;

[0017] The bonding strength of the second bonding layer is greater than the bonding strength of the first bonding layer.

[0018] Optionally, in the above-mentioned battery cell unit, the extension area and the handle area are folded along their intersection line and then attached to the easy-tear sticker body.

[0019] Optionally, in the above battery cell unit,

[0020] A third adhesive layer is provided in a portion of the area where the first handle portion directly contacts the battery core;

[0021] The easy-tear sticker body is provided with a fourth adhesive layer for bonding with the battery cell unit;

[0022] The adhesive strength of the fourth adhesive layer is greater than the adhesive strength of the third adhesive layer.

[0023] An electronic device comprises the above-mentioned battery cell unit.

[0024] It can be seen from the above technical scheme that the easy-tear sticker provided by the utility model is provided with a first handle portion and a second handle portion that can be placed between adjacent installation positions. When the easy-tear sticker and the components located at the installation positions are disassembled from the structure to be disassembled, during the disassembly process, a pulling force is provided to the opposite side edges of the easy-tear sticker body by the first handle portion, and a pulling force is provided to the position where the two installation positions are connected by the second handle portion to disassemble the components. This can avoid bending between two adjacent components, thereby reducing the risk of bending and fracture of the structure to be disassembled, reducing the difficulty of disassembling the structure to be disassembled, and improving the reusability of the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the structure of the easy-tear sticker in an unassembled state provided by an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of the structure of the easy-tear sticker in an assembled state provided by an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of the structure of a battery cell unit in an assembled state provided by an embodiment of the utility model;

[0029] Figure 4 Schematic diagram of the structure of the easy-tear sticker in the disassembled state provided by the embodiment of the utility model Figure 1 ;

[0030] Figure 5 Schematic diagram of the structure of the easy-tear sticker in the disassembled state provided by the embodiment of the utility model Figure 2 .

[0031] in:

[0032] 1-Easy-to-tear sticker body, 11-Installation position,

[0033] 2-first handle portion, 21-first handle portion body, 22-protruding portion,

[0034] 3- second handle portion, 31- extension area, 32- handle area,

[0035] 4-battery cell, 5-protection board. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the utility model, it should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] like Figure 1 , Figure 2 As shown, an embodiment of the utility model provides an easy-tear sticker.

[0039] First, the tear-off sticker includes an easy-tear sticker body 1, a first handle portion 2, and a second handle portion 3, wherein: the first handle portion 2 is respectively provided on both sides of the easy-tear sticker body 1 along the first direction; the second handle portion 3 is integrally provided on the surface of one side of the easy-tear sticker body 1, and the second handle portion 3 is located between the first handle portions 2 on both sides (that is, the second handle portion 3 is located in the middle of the easy-tear sticker, and the second handle portion 3 is integrally provided with the easy-tear sticker body 1), wherein the two sides are two sides based on the first direction. The first handle portion 2, the second handle portion 3 and the easy-tear sticker body 1 can be enclosed together to form at least two installation positions 11. It should be noted that the integrated structural design of the easy-tear sticker makes its design and application easier. And the first handle portion 2 provided on one side of the easy-tear sticker body 1 can be one or more, and the second handle portion 3 between the two installation positions 11 can be one or more. In addition, the first direction is detailed in Figure 1 As shown in the arrow direction, the first direction is perpendicular to the length direction of the second handle portion 3.

[0040] It can be seen that the easy-tear sticker provided in the embodiment of the utility model is provided with a first handle portion 2 and a second handle portion 3 that can be placed between adjacent installation positions 11. When the easy-tear sticker and the components located at the installation positions 11 are disassembled from the structure to be disassembled, during the disassembly process, a pulling force is provided to the opposite two side edges of the easy-tear sticker body 1 by the first handle portion 2, and a pulling force is provided to the position where the two installation positions 11 are connected by the second handle portion 3 to disassemble the components. This can avoid bending between two adjacent components, thereby reducing the risk of bending and fracture of the structure to be disassembled, reducing the difficulty of disassembling the structure to be disassembled, and improving the reusability of the components.

[0041] In specific implementation, one end of the first handle portion 2 is attached to the other surface of the peelable sticker body 1 away from the second handle portion 3, and the other end of the first handle portion 2 extends away from the peelable sticker body 1 to form a free end. The free end forms a handheld end for easy operation.

[0042] In specific implementation, along the second direction, the size of the first handle portion 2 is smaller than the size of the easy-tear sticker body 1, and the first handle portion 2 includes a protrusion 22 protruding from the first handle portion body 21 on the side away from the free end. This can strengthen the connection between the root of the first handle portion 2 and the easy-tear sticker body 1. It should be noted that the second direction is detailed in Figure 2 , and the second direction is perpendicular to the first direction.

[0043] In specific implementation, the easy-tear sticker body 1 and the first handle portion 2 are located in the same plane, and the second handle portion 3 is in contact with the easy-tear sticker body 1. This facilitates the storage of the easy-tear sticker in an unassembled state, so as to save space.

[0044] like Figures 3 to 5As shown, an embodiment of the utility model provides a battery cell unit, including the above-mentioned easy-tear sticker and multiple battery cells 4. In the arrangement direction of the battery cells 4, the easy-tear sticker body 1 is arranged on the back of the battery cell unit, and extends to both sides and covers at least part of the side edges of the battery cells 4. The battery cells 4 can be accommodated in the installation position 11 (that is, the second handle portion 3 can be arranged between adjacent battery cells 4, and at least part of it is located on the top surface of the battery cell unit. The second handle portion 3 can wrap one of the two adjacent battery cells 4 in the assembled state, and can separate the two adjacent battery cells 4 to play an insulating role). The easy-tear sticker is used to remove the battery cell unit composed of multiple battery cells 4 arranged side by side from the battery shell. The first handle portion 2 can be connected to the two side edges of the easy-tear sticker body 1 as an integrated structure, and the first handle portion 2 can also overlap with the easy-tear sticker body 1 and be connected to the side of the easy-tear sticker body 1 facing away from the battery cell unit. It should be noted that when the easy-tear sticker body 1 can be located on the top surface of the battery cell unit, the first handle portion 2 needs to be connected to the side of the easy-tear sticker body 1 away from the battery cell unit and can be detachably connected to the easy-tear sticker body 1 at the top surface of the battery cell 4. The detachable connection here can be either adhesive or laminating. In addition, the easy-tear sticker body 1 is larger than the width of the battery cell unit in the arrangement direction of the battery cell 4, which increases the contact area between the easy-tear sticker body 1 and the battery cell unit. During the disassembly process of the battery cell 4, the force on the battery cell unit is more uniform, which can improve the safety of the battery cell 4. In addition, the easy-tear sticker body 1 can be located entirely on the back of the battery cell unit, or it can be located both on the back of the battery cell unit and on the two sides of the battery cell unit where the first handle portion 2 is set, or the easy-tear sticker body 1 can be located both on the back of the battery cell unit and on the two sides of the battery cell unit where the first handle portion 2 is set, and also on the top surface of the battery cell unit. And the multiple battery cells 4 specifically refer to at least two battery cells 4. In order to describe the embodiment, a battery cell unit including two battery cells 4 is taken as an example for explanation. In order to ensure that the multiple battery cells 4 in the battery cell unit can be electrically connected to the battery protection system of the terminal device, the multiple battery cells 4 are all connected to the protection board 5, and the protection board 5 is connected to the battery protection system of the terminal device.

[0045] It can be seen that the battery cell unit provided by the embodiment of the utility model is provided with a first handle portion 2 and a second handle portion 3 that can be placed between adjacent battery cells 4. In the process of disassembling the battery cell 4 from the battery shell, the first handle portion 2 provides pulling force to the opposite side edges of the battery cell 4, and the second handle portion 3 provides pulling force to the position where the two battery cells 4 are connected, so that the battery cell 4 can be disassembled from the battery shell, which can avoid bending between two adjacent battery cells 4, thereby reducing the risk of bending and fracture of the protective plate 5, and can also reduce the difficulty of disassembling the battery, while improving the reusability of the battery.

[0046] In a specific implementation, the second handle portion 3 includes an extension area 31 and a handle area 32 connected to the extension area 31, the extension area 31 is located between adjacent battery cells 4 and bonded to the battery cells 4, and the handle area 32 is located on the top surface of the battery cells 4. The extension area 31 acts on the side of the parallel battery cells 4, can insulate the adjacent battery cells 4, and is bonded to the adjacent battery cells 4, can play a role in fixing the battery cells 4. The handle area 32 can provide a contact surface for battery disassembly.

[0047] In a specific implementation, in the length direction of the battery cell unit, the size of the extension area 31 is greater than or equal to the size of the handle area 32. The handle area 32 can provide an upward pulling force between adjacent battery cells 4. It should be noted that the length of the extension area 31 and the length of the handle area 32 are both equal to the length of the battery cell 4; or, the length of the extension area 31 is equal to the length of the battery cell 4, the length of the handle area 32 is less than the length of the battery cell 4, and the handle area 32 is located in the middle of the length direction of the battery cell 4; or, the length of the handle area 32 is equal to the length of the extension area 31, and the lengths of the handle area 32 and the extension area 31 are less than the length of the battery cell 4. It should be noted that the length direction of the battery cell unit is detailed in Figure 3 The direction of the arrow.

[0048] In specific implementation, a first adhesive layer is provided on the side of the handle area 32, and the handle area 32 is bonded and connected to the battery cell 4 through the first adhesive layer. In the assembled state, the first adhesive layer is detachably bonded to the adjacent battery cell 4. The first adhesive layer is provided to facilitate the fit of the handle area 32 with the battery cell 4 in the assembled state, which is convenient for the fixation of the handle area 32. The detachable connection facilitates the transition from the assembled state to the disassembled state, and facilitates the separation of the handle area 32 from the battery cell 4, which can prevent the separation process from damaging the battery cell 4 or the body of the handle area 32. Second adhesive layers are provided on both sides of the extension area 31, respectively; it is convenient for the extension area 31 to be connected to the adjacent battery cell 4. The bonding strength of the second adhesive layer is greater than the bonding strength of the first adhesive layer. In the process of disassembling the battery unit, the handle area 32 can be quickly separated from the top surface of the battery cell 4, and the extension area 31 can always be reliably fixedly connected to the side of the battery cell 4. At the same time, in order to prevent the handle area 32 from adhering to other structures in the assembled state, and to facilitate the rapid separation of the handle area 32 from the battery cell 4 in the subsequent disassembly of the battery cell unit, the side of the handle area 32 away from the battery cell 4 is set as a non-glue area, so that it is convenient to apply an upward pulling force through the handle area 32. Figure 5 The direction of the pulling force applied by the handle area 32 in the disassembled state is as follows: Figure 5 Indicated by the arrow.

[0049] In specific implementation, in the assembled state, the first handle portion 2 is attached to the battery cell unit, and the handle area 32 is attached to the battery cell unit; it is ensured that in the assembled state, the first handle portion 2 and the handle area 32 that are easy to tear off will not occupy the assembly space of the battery, so as to avoid affecting the energy density of the battery. In the disassembled state, the first handle portion 2 is separated from the battery cell unit, and the handle area 32 is separated from the battery cell unit. It is convenient for the first handle portion 2 and the handle area 32 to apply an upward pulling force, that is, to provide a contact area for applying a pulling force for upward pulling, so as to facilitate applying a pulling force to the first handle portion 2 and the handle area 32.

[0050] During specific implementation, a third adhesive layer is provided in the partial area where the first handle portion 2 is in direct contact with the battery cell 4, and the third adhesive layer is detachably bonded to the top surface of the battery cell 4. The third adhesive layer is provided to facilitate the first handle portion 2 to fit with the battery cell 4 in the assembled state, thereby facilitating the fixation of the first handle portion 2. The detachable connection facilitates the transition from the assembled state to the disassembled state, and facilitates the separation of the first handle portion 2 from the battery cell 4, thereby preventing the separation process from damaging the battery cell 4 or the first handle portion 2. The easy-tear sticker body 1 is provided with a fourth adhesive layer for bonding to the battery cell unit; the bonding strength of the fourth adhesive layer is greater than the bonding strength of the third adhesive layer. See for details. Figure 4 , Figure 5 In the disassembled state, the first handle portion 2 is separated from the battery cell unit, so that the user or the disassembling device can apply an upward pulling force on the first handle portion 2. When the first handle portion 2 is separated from the battery cell 4, the easy-tear sticker body 1 still maintains an adhesive connection with the battery cell 4. In the assembled state of the battery cell unit, along the arrangement direction of the multiple battery cells 4, the easy-tear sticker body 1 is arranged on the bottom surface of the battery cell unit, and the easy-tear sticker body 1 is at least adhesively connected to the side of the battery cell unit. In the disassembled state of the battery cell unit, the first handle portion 2 is separated from the battery cell unit, and the easy-tear sticker body 1 remains in an adhesive state with both sides of the battery cell unit. The user or the disassembling device can provide an upward pulling force to both sides of the battery cell unit by pulling the first handle portion 2 on both sides of the battery cell unit; at the same time, the user or the disassembling device provides an upward pulling force between two adjacent battery cells 4 through the second handle portion 3, so as to remove the battery cell unit from the battery shell. During the disassembly process, since an upward pulling force is applied to the first handle portion 2 on both sides of the battery cell unit, an upward pulling force is also applied to the second handle portion 3 between adjacent battery cells 4 in the battery cell unit, so that the entire battery cell unit is evenly stressed, and it is not easy for two adjacent battery cells 4 to bend relative to each other, thereby avoiding bending and damage to the battery protection plate 5. Among them, the bonding strength of the fourth adhesive layer is greater than the bonding strength of the third adhesive layer; the third adhesive layer is detachably bonded to the top surface of the battery cell 4, so that during the disassembly of the battery cell unit, the first handle portion 2 can be quickly separated from the top surface of the battery cell 4, and the easy-tear sticker body 1 can always be reliably fixedly connected to the opposite sides of the battery cell unit.

[0051] In specific implementation, in the length direction of the battery cell 4, the length of the first handle portion 2 is less than or equal to the length of the easy-tear sticker body 1. It should be noted that when located on the back of the battery cell 4, the length of the easy-tear sticker body 1 is less than or equal to the length of the battery cell 4; when located on the side and top of the battery cell 4, the length of the easy-tear sticker body 1 is less than or equal to the length of the side of the battery cell 4; when the length of the first handle portion 2 is less than the length of the easy-tear sticker body 1, the first handle portion 2 is located in the middle of the length direction of the side of the battery cell 4.

[0052] In a specific implementation, the first adhesive layer, the second adhesive layer, the third adhesive layer and the fourth adhesive layer are all provided with release films. The release film is a thin film covering the adhesive layer and used in the adhesive area of ​​the easy-to-tear sticker to isolate the easy-to-tear sticker during the manufacturing and storage process. It can prevent the adhesive layer from curing or bonding prematurely so that it can be easily separated or disassembled when needed.

[0053] For specific implementation, see Figure 1 In the unassembled state, the extension area 31 and the handle area 32 are folded along their intersection and fit with the tear-off sticker body 1. This facilitates the storage of the tear-off sticker in the unassembled state to save the space it occupies. It should be noted that the extension area 31 and the handle area 32 can also be coplanar in the unfolding direction of the second handle portion 3 and fit with the tear-off sticker body 1 (that is, the extension area 31 and the handle area 32 are not folded at their intersection). As to how the second handle portion 3 fits with the tear-off sticker body 1 in the same plane and how the extension area 31 connects to the tear-off sticker body 1 so that the second handle portion 3 and the tear-off sticker body 1 are an integrated structure, those skilled in the art can make specific designs according to actual needs.

[0054] For specific implementation, see Figure 3 When assembling the battery cell unit, along the arrangement direction of the multiple battery cells 4, the easy-tear sticker body 1 is bonded to the bottom surface of the battery cell unit through the fourth adhesive layer, and the second handle portion 3 is changed from the original position of bonding with the easy-tear sticker body 1 to a position perpendicular to the easy-tear sticker body 1, so that the extension area 31 of the second handle portion 3 can be placed between adjacent battery cells 4, and bonded to two battery cells 4 through the second adhesive layer, and then the handle area 32 is bent to fit the top surface of the battery cell 4, and bonded to the top surface of the battery cell 4 through the first adhesive layer. And the two first handle portions 2 are bonded to the top surface of the battery cell 4 through the third adhesive layer.

[0055] For specific implementation, see Figure 5 When disassembling the battery cell unit, separate the first handle portion 2 and the handle area 32 from the top surface of the battery cell 4, and then pull the first handle portion 2 and the handle area 32 upward at the same time, so that the edges and the middle of the battery cell unit are subjected to upward pulling force. Figure 5As shown by the middle arrow, the battery cell unit is taken out of the battery shell while applying upward pulling force to both sides and the middle of the battery cell unit at the same time, thereby ensuring that the two adjacent battery cells 4 will not bend toward the middle area, thereby avoiding the risk of bending and breaking of the protective plate 5, facilitating the recycling of the battery cell unit and improving the disassembly efficiency of the battery cell unit.

[0056] An embodiment of the utility model provides an electronic device, comprising the above-mentioned battery cell unit.

[0057] It can be seen that the battery cell unit in the electronic device provided by the embodiment of the utility model is provided with a first handle portion 2 and a second handle portion 3 that can be placed between adjacent battery cells 4. In the process of disassembling the battery cell 4 from the battery shell, the first handle portion 2 provides pulling force to the opposite side edges of the battery cell 4, and the second handle portion 3 provides pulling force to the position where the two battery cells 4 are connected, so that the battery cell 4 can be disassembled from the battery shell, which can avoid bending between two adjacent battery cells 4, thereby reducing the risk of bending and fracture of the protective plate 5, and can also reduce the difficulty of disassembling the battery, while improving the reusability of the battery.

[0058] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0059] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0060] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An easy-to-tear sticker, characterized in that: include: Easy-to-tear body (1); A first handle portion (2), the first handle portion (2) being respectively arranged on both sides of the easy-tear sticker body (1) along a first direction; A second handle portion (3), the second handle portion (3) is integrally arranged on a side surface of the easy-tear sticker body (1), and the second handle portion (3) is located between the first handle portions (2) on both sides, and the first handle portion (2), the second handle portion (3) and the easy-tear sticker body (1) together enclose at least two installation positions (11).

2. The easy-to-tear sticker according to claim 1, characterized in that: One end of the first handle portion (2) is attached to the other surface of the easy-tear label body (1) away from the second handle portion (3), and the other end of the first handle portion (2) extends in a direction away from the easy-tear label body (1) to form a free end.

3. The easy-to-tear sticker according to claim 2, characterized in that: Along the second direction, the size of the first handle portion (2) is smaller than the size of the easy-tear label body (1), and the first handle portion (2) comprises a protruding portion (22) protruding from the first handle portion body (21) on a side away from the free end.

4. A battery cell unit, characterized in that: The invention comprises an easy-tear sticker as claimed in any one of claims 1 to 3 and a plurality of battery cells (4), wherein in the arrangement direction of the battery cells (4), the easy-tear sticker body (1) is arranged on the back side of the battery cell unit and extends to both sides to cover at least part of the side edges of the battery cells (4), and the battery cells (4) are accommodated in the installation position (11).

5. The battery cell unit according to claim 4, characterized in that: The second handle portion (3) comprises an extension area (31) and a handle area (32) connected to the extension area (31), the extension area (31) being located between adjacent battery cells (4) and bonded to the battery cells (4), and the handle area (32) being located on the top surface of the battery cells (4).

6. The battery cell unit according to claim 5, characterized in that: In the length direction of the battery cell unit, the size of the extension area (31) is greater than or equal to the size of the handle area (32).

7. The battery cell unit according to claim 5, characterized in that: A first adhesive layer is provided on the side of the handle area (32), and the handle area (32) is adhesively connected to the battery core (4) via the first adhesive layer; A second adhesive layer is respectively provided on two side surfaces of the extension area (31); The bonding strength of the second bonding layer is greater than the bonding strength of the first bonding layer.

8. The battery cell unit according to claim 5, characterized in that: The extension area (31) and the handle area (32) are folded along their intersection line and then adhered to the easy-tear sticker body (1).

9. The battery cell unit according to claim 4, characterized in that: A third adhesive layer is provided in a partial area where the first handle portion (2) is in direct contact with the battery core (4); The easy-tear sticker body (1) is provided with a fourth adhesive layer for bonding with the battery core unit, and the adhesive strength of the fourth adhesive layer is greater than the adhesive strength of the third adhesive layer.

10. An electronic device, characterized in that: The invention comprises the battery cell unit according to any one of claims 4 to 9.

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