CN218755553U

CN218755553U - Easy-to-detach sticker with double handles and battery

Info

Publication number: CN218755553U
Application number: CN202223051783.5U
Authority: CN
Inventors: 马灯凯; 安宏娟; 张丽萍; 彭明勇
Original assignee: Huizhou Desay Battery Co Ltd
Current assignee: Huizhou Desay Battery Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-28
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the technical field of paster, in particular to an easily disassembled paster with double handles and a battery, which comprises a substrate, wherein a first paster part and a second paster part are formed on the substrate; the first sticker portion comprises a first wrapping film and a first handle portion, and the second sticker portion comprises a second wrapping film and a second handle portion; the first wrapping film and the second wrapping film are positioned in the middle of the base material, the first handle part and the second handle part are respectively positioned on two opposite sides of the base material, the first handle part is connected with the first wrapping film, and the second handle part is connected with the second wrapping film; the utility model discloses a first handle portion and the second handle portion of substrate both sides are disassembled the battery from the battery compartment and are come out, reduce the influence that causes the battery structure, avoid the fracture or the short circuit scheduling problem that the battery head protection shield is buckled and is leaded to.

Description

Double-handle easy-to-detach sticker and battery

Technical Field

The utility model relates to a sticker technical field especially relates to a quick detachable sticker of double handle and battery.

Background

At present, the easy-to-detach sticker for the consumer battery is widely applied, and has the characteristics of easy detachment, easy replacement, safety and convenience.

Along with the continuous development of the quick charge technology, single electric core charge and discharge receive the restriction, many parallelly connected use of electric core cluster has appeared, and uses more and more extensively, nevertheless many electric core battery appear following problem in the use easily, and traditional easy detachable sticker structure is only dismantled to single electric core battery, when using traditional easy detachable sticker to the disassembling of many electric core battery, leads to easily bending between electric core and electric core easily, and the electric core junction easily causes the protection shield to buckle and then causes hidden danger such as short circuit.

SUMMERY OF THE UTILITY MODEL

To the many electric core battery of above-mentioned existence when disassembling, easy appearing between electric core and electric core easily bendable, electric core junction easily causes the protection shield to buckle and then causes the problem of hidden danger such as short circuit, the utility model provides a two handle easy detachable sticker, the first handle portion and the second handle portion through the substrate both sides are disassembled the battery from the battery compartment and are come out, reduce the influence that causes the battery structure, avoid the fracture or the short circuit scheduling problem that the bending type of battery head protection shield leads to.

In order to solve the technical problem, the utility model provides a specific scheme as follows:

a double-handle easy-to-detach sticker comprises a base material, wherein a first sticker part and a second sticker part are formed on the base material;

the first sticker portion comprises a first wrapping film and a first handle portion, and the second sticker portion comprises a second wrapping film and a second handle portion;

first wrapping film and second wrapping film are located the middle part position of substrate, first handle portion and second handle portion are located the relative both sides of substrate respectively, and first wrapping film is connected to first handle portion, and second wrapping film is connected to second handle portion.

In some embodiments, first sticker part and second sticker part set up for mirror symmetry, correspond the electric core of the same structure and carry out the cladding, and the adaptation that the production of both being convenient for the sticker was made also improves the sticker cladding simultaneously.

In some embodiments, the substrate further has an adhesive portion formed thereon, the adhesive portion being located between and connected to the first and second wrapping films;

first parcel membrane, gluing part and second parcel membrane are located the middle part position of substrate, and the support degree of whole sticker between to electric core is improved to gluing part, avoids dismantling the in-process and causes the damage to the battery structure.

In some embodiments, a first connecting concave position is formed in the middle of one side of the first wrapping film, which is connected with the first handle part, the first handle part is located in the first connecting concave position, and two side edges of the first handle part in the lifting direction are in point-break connection with the first wrapping film;

the second wraps up in the membrane and is formed with the second with one side middle part that second handle portion is connected and connect concave position, second handle portion is located this second and connects concave position, two sides of the direction of pulling of second handle portion and second wrap up and be connected for the point formula of breaking between the membrane, the point formula of breaking is connected and is convenient for pull up first handle portion and second handle portion to disassemble out the battery from the battery compartment, improve and disassemble efficiency.

In some embodiments, the first handle portion includes a first handle glue free area located at a front end in the pulling direction of the first handle portion and a first handle glue strong area located at a rear end in the pulling direction of the first handle portion;

the second handle portion includes that the second handle does not have gluey district and the gluey district of second handle by force, the gluey district of second handle does not lie in the front end of the direction of carrying of second handle portion, the gluey district of second handle by force lies in the end of the direction of carrying of second handle portion, and gluey district of first handle and the gluey district of second handle are convenient for pull up first handle portion, second handle portion, and gluey district by force of first handle and second handle is then can take the battery in order to ensure the effect of carrying of handle by force, makes the battery disassemble out from the battery compartment.

In some embodiments, the first wrapping film comprises a first strong glue area, a first non-glue area and a first glue dispensing area, and the first strong glue area, the first non-glue area and the first glue dispensing area are sequentially distributed along the lifting direction of the first handle part;

the second wrapping film comprises a second strong adhesive area, a second adhesive-free area and a second adhesive dispensing area, wherein the second strong adhesive area, the second adhesive-free area and the second adhesive dispensing area are distributed in sequence along the lifting direction of the second handle part, the wrapping requirements of different areas of the battery cell are met by the position distribution of the suburb areas, and the adaptability of the adhesive paper is improved.

In some embodiments, the first dispensing area is uniformly or non-uniformly distributed with glue dots with different diameters, and the second dispensing area is uniformly or non-uniformly distributed with glue dots with different diameters, so as to meet different viscosity requirements on different areas of the surface of the battery during the disassembling process.

In some embodiments, a first lifting lug is formed on the first strong glue area and is close to the front end of the first pulling handle part in the pulling direction, and the first lifting lug is arranged without glue;

the second is glued the part that is close to the front end of the direction of carrying of second handle portion in the district by force and is formed with the second and carries the ear, the second is carried the ear and is set up for not having the glue, is convenient for carry the ear through first carrying the ear and second, takes up first handle portion and second handle portion.

In some embodiments, the substrate is a PET release film, has insulating properties, and has good adsorptivity and conformability, which is beneficial to coating the battery.

The application also provides a battery, which comprises a first battery cell, a second battery cell and the double-handle easy-to-detach sticker in any one of the above embodiments;

first electric core and second electric core are connected side by side, first parcel membrane, second parcel membrane correspond first electric core and second electric core respectively and wrap up, are convenient for take up the battery through first handle portion and second handle portion, make the battery disassemble out from the battery compartment.

The utility model provides a pair of easy detachable sticker of dual handle, through the first handle portion and the second handle portion of substrate both sides, pull out the battery with certain angle from the battery compartment in the both sides of follow battery, because first wrapping up in membrane and the second wrapping up in the membrane plays the supporting role to between the electric core, consequently, when pulling out the battery, can effectively reduce the structural deformation that the dismantlement in-process leads to, and then avoid because of the safe risks such as short circuit that warp and cause, and effectively improve and disassemble efficiency.

Drawings

Fig. 1 is a schematic structural view of a double-handle easy-to-detach sticker provided in an embodiment of the present invention;

fig. 2 is a schematic front view of a battery provided in an embodiment of the present invention;

fig. 3 is a schematic reverse view of a battery provided in an embodiment of the present invention;

wherein, 1-a substrate; 2-a first sticker portion; 21-a first wrapping film; 211-a first strong glue zone; 212-a first glue-free zone; 213-first dispensing zone; 214-a first handle; 22-a first handle portion; 221-first handle glue-free area; 222-a first handle glue strengthening area; 3-a second sticker portion; 31-a second wrapping film; 311-a second strong glue area; 312-a second glue-free zone; 313-a second dispensing zone; 314-a second lifting lug; 32-a second handle part; 321-a second handle glue-free area; 322-second handle glue-strengthening area; 4-a sticky portion; 5-a first cell; 6-a second cell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. The described embodiments are some, but not all embodiments of the invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

For example, a two-pull release sticker includes a substrate having a first sticker portion and a second sticker portion formed thereon; the first sticker portion comprises a first wrapping film and a first handle portion, and the second sticker portion comprises a second wrapping film and a second handle portion; first wrapping film and second wrapping film are located the middle part position of substrate, first handle portion and second handle portion are located the relative both sides of substrate respectively, and first wrapping film is connected to first handle portion, and second wrapping film is connected to second handle portion.

The easy-to-detach sticker of two handles that this embodiment provided, the first handle portion and the second handle portion through the substrate both sides are disassembled the battery from the battery compartment and are come out, reduce the influence that causes the battery structure, avoid the fracture or the short circuit scheduling problem that the battery head protection shield is buckled and is leaded to.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, an easy-to-detach sticker with double handles, including substrate 1, be formed with first sticker part 2 and second sticker part 3 on substrate 1, first sticker part 2 and second sticker part 3 all have attached and parcel effect, be applied to on the many electric core battery, can correspond attached and parcel single electric core, if, with attached parcel of first sticker part 2 on first electric core sticker 5, attached parcel of second sticker part 3 is on second electric core 6, when many electric core battery is connected by three electric core side by side, then can correspond, be formed with first sticker part, second sticker part and third sticker part on the setting substrate to correspond three electric core of many electric core battery.

First sticker part 2 includes first parcel membrane and 21 first handle portion 22, second sticker part 3 includes that the second wraps up membrane 31 and second handle portion 32, first parcel membrane 21 and second wrap up membrane 31 mainly used carry on attachedly and parcel to different electric cores, and produce the viscous force between the electric core, so that when carrying out first handle portion 22 and second handle portion 32, because the wholeness of substrate, make first parcel membrane 21 and second wrap up membrane 31 and pull out along with first handle portion 22 and second handle portion 32, and because the viscous force effect of first parcel membrane 21, second wrap up membrane 31 and electric core, make the electric core along with pulling out, realize the battery to the electric core.

First wrapping film 21 and second wrapping film 31 are located the middle part position of substrate 1, and first handle portion 22 and second handle portion 32 are located the relative both sides of substrate 1 respectively, and first wrapping film 21 is connected to first handle portion 22, and second wrapping film 31 is connected to second handle portion 32.

This sticker is mainly adapted in the battery that has two electric cores, the battery is including first electric core 5 and the second electricity core 6 of connecting side by side promptly, wrap up first parcel membrane 21 on first electric core 5, wrap up second parcel membrane 31 on second electricity core 6, because substrate 1's wholeness and first parcel membrane 21, second parcel membrane 31 is located substrate 1's middle part position, therefore, can play certain supporting role to the junction between the electric core, when pulling out the battery from the battery compartment through first handle portion 22 and second handle portion 32, can effectively reduce the structural deformation that leads to among the dismantlement process, and then avoid the safety risk such as short circuit because of warping and causing, and effectively improve and disassemble efficiency.

When specific attached parcel, can make first wrapping film 21, second wrapping film 31 covers first electric core 5 respectively, the lower surface of second electric core 6, this lower surface is the lower surface under the installation condition, and make first wrapping film 21 wrap up the side that first electric core 5 kept away from second electric core 6 one side and extend to the upper surface of first electric core 5, make second wrapping film 31 wrap up the side that second electric core 6 kept away from first electric core 5 one side and extend to the upper surface of second electric core 6, at this moment, first handle portion 22 is located the upper surface of first electric core 5, second handle portion 32 is located the upper surface of second electric core 6, when needing to disassemble the battery, only need to pull first handle portion 22, second handle portion 32 can, to the sticker of single handle design, need earlier pull first electric core 5 out the battery storehouse with certain angle through single handle, then, carry out second electric core 6 by first electric core 5 again, structural strength between electric core is not as good as single electric core itself, consequently, the gummed paper between the electric core fracture easily appears, lead to the head portion such as short circuit board buckles.

In this example, the third sticker portion and the fourth sticker portion may be formed on the base material, and only the sticker portions on both sides of the base material may be formed with the handle portion.

The easy detachable sticker of two handles that provides in this example can effectively reduce the structural deformation that leads to among the dismantlement process, and then avoids the safety risk such as short circuit because of warping and causing to and effectively improve and disassemble efficiency.

Example two:

referring to fig. 1, first sticker part 2 and second sticker part 3 set up for mirror symmetry, correspond the electric core of the same structure and carry out the cladding, and the manufacture of both being convenient for the sticker also improves the adaptation nature of sticker cladding simultaneously.

In some embodiments, the substrate 1 is further formed with an adhesive portion 4, and the adhesive portion 4 is located between the first wrapping film 21 and the second wrapping film 31 and connected to the first wrapping film 21 and the second wrapping film 31; first parcel membrane 21, adhesion part 4 and second parcel membrane 31 are located the middle part position of substrate, and adhesion part 4 improves the support degree of whole sticker to between the electric core, avoids causing the damage to the battery structure at the in-process of disassembling.

Use adhesion part 4 as the center, first sticker part 2 and second sticker part 3 set up for mirror symmetry, make adhesion part 4 correspond first electric core 5 and the junction of second electric core 6 and attach, improve the joint strength between electric core, go on when disassembling the battery, can reduce the destruction to the battery structure.

Example three:

referring to fig. 1, a first connecting concave position is formed in the middle of one side of the first wrapping film 21 connected to the first handle portion 22, the first handle portion 22 is located in the first connecting concave position, and two side edges of the first handle portion 22 in the lifting direction are connected to the first wrapping film 21 in a point-and-break manner; the second wraps up the one side middle part of being connected with second handle portion 32 on the membrane 31 and is formed with the second and connect concave position, and second handle portion 32 is located this second and connects concave position, and two sides of the direction of pulling up of second handle portion 32 and second wrap up and be connected for the point formula of breaking between the membrane 31, and the point formula of breaking is connected and is convenient for pull up first handle portion 22 and second handle portion 32 to disassemble the battery from the battery compartment, improve and disassemble efficiency.

Specifically, the first handle part 22 includes a first handle glue-free area 221 and a first handle glue-strong area 222, the first handle glue-free area 221 is located at the front end of the lifting direction of the first handle part 22, and the first handle glue-strong area 222 is located at the tail end of the lifting direction of the first handle part 22; the second handle portion 32 includes a second handle non-adhesive area 321 and a second handle non-adhesive area 322, the second handle non-adhesive area 321 is located at the front end of the lifting direction of the second handle portion 32, the second handle non-adhesive area 322 is located at the tail end of the lifting direction of the second handle portion 32, the first handle non-adhesive area 221 and the second handle non-adhesive area 321 facilitate the lifting of the first handle portion 22 and the second handle portion 32, and the adhesive force between the first handle non-adhesive area 222 and the second handle non-adhesive area 322 and the first electric core 5 and the second electric core 6 can ensure that the battery can be taken up under the lifting action of the handle, so that the battery can be disassembled from the battery compartment.

In this example, the first wrapping film 21 includes a first strong glue area 211, a first non-glue area 212, and a first dispensing area 213, and the first strong glue area 211, the first non-glue area 212, and the first dispensing area 213 are sequentially distributed along the lifting direction of the first handle portion 22; the second wrapping film 31 includes a second strong adhesive area 311, a second adhesive-free area 312 and a second adhesive dispensing area 313, the second strong adhesive area 311, the second adhesive-free area 312 and the second adhesive dispensing area 313 are distributed in sequence along the lifting direction of the second handle part 32, the position distribution of each suburb meets the wrapping requirements of different areas of the battery cell, and the adaptability of the sticker is improved.

For example, when attaching and wrapping the sticker, the first dispensing area 213 corresponds to the lower surface of the first electrical core 5, the first non-dispensing area 212 corresponds to the side surface of the first electrical core 5, the first strong-dispensing area 211 corresponds to the upper surface of the portion of the first electrical core 5, the second dispensing area 313 corresponds to the lower surface of the second electrical core 6, the second non-dispensing area 312 corresponds to the side surface of the second electrical core 6, and the second strong-dispensing area 311 corresponds to the upper surface of the portion of the second electrical core 6. When lifting the first handle part 22 and the second handle part 32, it is necessary to ensure the adhesion of the first wrapping film 21 and the second wrapping film 31 to the first battery cell 5 and the second battery cell 6, so as to bring up the first battery cell 5 and the second battery cell 6 by the adhesion, and therefore, the first strong adhesive region 211 and the second strong adhesive region 311 are respectively arranged close to the first handle part 22 and the second handle part 32.

Glue points with different diameters are uniformly or non-uniformly distributed on the first glue dispensing area 213, and glue points with different diameters are uniformly or non-uniformly distributed on the second glue dispensing area 313, so that the requirements on different viscosities of different areas on the surface of the battery in the disassembling process are met.

For example, glue dots with a diameter of 1.00mm and a center distance of 2.00mm are used, and glue dots with a diameter of 0.90mm and a center distance of 2.00mm and glue dots with a diameter of 0.70mm and a center distance of 2.00mm are distributed in a matrix form.

In some embodiments, a first lifting lug 214 is formed on the first strong glue area 211 near the front end of the first handle part 22 in the lifting direction, and the first lifting lug 214 is provided without glue; the second strong glue area 311 is provided with a second lifting lug 314 at a part close to the front end of the second handle part 32 in the lifting direction, the second lifting lug 314 is arranged in a glue-free manner, and the first lifting lug 214 and the second lifting lug 314 are arranged in a glue-free state, so that the first handle part 22 and the second handle part 32 can be conveniently taken up through the first lifting lug 214 and the second lifting lug 314.

Wherein, substrate 1 is PET release film, has insulating properties, and has fine adsorptivity and laminating nature, is favorable to carrying out the cladding to the battery.

Example four:

referring to fig. 1 to fig. 3, the present application further provides a battery, which includes a first battery cell 5, a second battery cell 6, and the double-handled easy-to-detach sticker of any one of the above embodiments; wherein, first electric core 5 and second electricity core 6 are connected side by side, and first wrapping film 21, second wrapping film 31 are wrapped up corresponding first electric core 5 and second electricity core 6 respectively, are convenient for take up the battery through first handle portion 22 and second handle portion 32, make the battery disassemble out from the battery compartment.

Specifically, defined by the installation direction of the battery, the first wrapping film 21 corresponds to the lower surface of the first battery cell 5, wraps around the side surface of the first battery cell 5 away from the second battery cell 6, and extends to a part of the upper surface of the first battery cell 5, the second wrapping film 31 corresponds to the lower surface of the second battery cell 6, wraps around the side surface of the second battery cell 6 away from the first battery cell 5, and extends to a part of the upper surface of the second battery cell 6, and at this time, the first handle portion 22 and the second handle portion 32 are located on the upper surfaces of the first battery cell 5 and the second battery cell 6, respectively.

When the battery is disassembled, the first handle part and the second handle part are arranged on two sides of the base material, the battery is pulled out from the battery compartment at a certain angle from two sides of the battery, and the first wrapping film and the second wrapping film play a supporting role between the battery cores, so that structural deformation caused by the disassembly process can be effectively reduced when the battery is pulled out, and further safety risks such as short circuit caused by deformation are avoided, and the disassembly efficiency is effectively improved.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Claims

1. The easy-to-detach sticker with double handles is characterized by comprising a base material, wherein a first sticker part (2) and a second sticker part (3) are formed on the base material (1);

the first sticker part (2) comprises a first wrapping film (21) and a first handle part (22), the second sticker part (3) comprises a second wrapping film (31) and a second handle part (32);

first wrapping film (21) and second wrapping film (31) are located the middle part position of substrate (1), first handle portion (22) and second handle portion (32) are located the relative both sides of substrate (1) respectively, and first wrapping film (21) is connected in first handle portion (22), and second wrapping film (31) is connected in second handle portion (32).

2. Easy to detach sticker with double handle according to claim 1, characterised in that the first sticker part (2) and the second sticker part (3) are arranged mirror-symmetrically.

3. The easy-to-detach sticker with two handles as claimed in claim 1, wherein the base material (1) is further formed with an adhesive portion (4), the adhesive portion (4) is located between the first wrapping film (21) and the second wrapping film (31) and is connected with the first wrapping film (21) and the second wrapping film (31);

the first wrapping film (21), the adhering part (4) and the second wrapping film (31) are positioned in the middle of the base material (1).

4. The easy-to-detach sticker with two handles according to claim 1, wherein a first connecting recess is formed in the middle of one side of the first wrapping film (21) connected to the first handle portion (22), the first handle portion (22) is located in the first connecting recess, and two side edges of the first handle portion (22) in the pulling direction are connected to the first wrapping film (21) in a point-break manner;

the one side middle part of being connected with second handle portion (32) on second wrapping film (31) is formed with the second and connects concave position, second handle portion (32) are located this second and connect concave position, be the point formula of breaking between two sides of the direction of pulling of second handle portion (32) and second wrapping film (31) and be connected.

5. The easy-to-detach sticker with double handles according to claim 4, wherein the first handle part (22) comprises a first handle glue-free area (221) and a first handle glue-strong area (222), the first handle glue-free area (221) is located at the front end of the pulling direction of the first handle part (22), and the first handle glue-strong area (222) is located at the end of the pulling direction of the first handle part (22);

the second handle portion (32) comprises a second handle glue-free area (321) and a second handle glue-reinforced area (322), the second handle glue-free area (321) is located at the front end of the lifting direction of the second handle portion (32), and the second handle glue-reinforced area (322) is located at the tail end of the lifting direction of the second handle portion (32).

6. The easy-to-detach sticker with double handles as claimed in claim 4, wherein the first wrapping film (21) comprises a first strong glue area (211), a first non-glue area (212) and a first dispensing area (213), and the first strong glue area (211), the first non-glue area (212) and the first dispensing area (213) are distributed in sequence along the lifting direction of the first handle portion (22);

the second wrapping film (31) comprises a second strong glue area (311), a second glue-free area (312) and a second glue dispensing area (313), and the second strong glue area (311), the second glue-free area (312) and the second glue dispensing area (313) are sequentially distributed along the lifting direction of the second handle part (32).

7. The easy-to-detach sticker with double handles as claimed in claim 6, wherein the first dispensing area (213) has uniformly or non-uniformly distributed glue dots with different diameters, and the second dispensing area (313) has uniformly or non-uniformly distributed glue dots with different diameters.

8. The easy-to-detach sticker with double pull handles as claimed in claim 6, wherein the first strong adhesive region (211) has a first lifting lug (214) formed on a portion thereof near the front end of the first pull handle (22) in the lifting direction, and the first lifting lug (214) is disposed without adhesive;

a second lifting lug (314) is formed on the second strong glue area (311) close to the front end of the second handle part (32) in the lifting direction, and the second lifting lug (314) is arranged in a glue-free mode.

9. The easy-to-detach sticker with double handle according to claim 1, wherein the substrate (1) is a PET release film.

10. A battery, characterized by comprising a first cell (5), a second cell (6) and the double-handled release sticker of any one of claims 1-9;

the battery is characterized in that the first battery cell (5) and the second battery cell (6) are connected side by side, and the first wrapping film (21) and the second wrapping film (31) respectively correspond to the first battery cell (5) and the second battery cell (6) to wrap.