Battery tape and battery taping method

Abstract

A battery tape and a battery taping method are disclosed. The battery strap includes: a first member configured to be positioned relative to a first surface of a battery; and a second member extending from a side edge of the first member, configured to surround a side surface of the battery, and bonded to a second surface of the battery opposite the first surface. The first member may be configured to contract and contact a first surface of the battery based on the first member being exposed to a first heat, and the second member may be configured to contract and contact a side surface of the battery based on the second member being exposed to a second heat.

Description

Technical Field

[0001] The embodiments of this disclosure relate to battery straps and battery strapping methods. Background Technology

[0002] Unlike primary batteries, which are designed not to be (re)charged, secondary (or rechargeable) batteries are designed to be discharged and recharged. Low-capacity secondary batteries are used in portable small electronic devices such as smartphones, feature phones, laptops, digital cameras, and portable camcorders, while high-capacity secondary batteries are widely used as power sources for motors in hybrid and electric vehicles and for storing electricity (e.g., household and / or utility-scale power storage). A secondary battery typically includes an electrode assembly containing positive and negative electrodes, a housing of the electrode assembly, and electrode terminals connected to the electrode assembly.

[0003] Specifically, in the case of installing batteries in small portable electronic devices, battery straps can be attached and mounted to the device. Battery straps can help prevent or reduce the chance of the battery moving inside the electronic device, and can also help prevent or reduce the chance of the battery separating from the electronic device even if the electronic device is dropped.

[0004] The attachment position of the battery strap may change, which could cause the battery to move depending on the attachment position when the electronic device is dropped. When the battery moves after the device is dropped, the quality of the electronic device may deteriorate.

[0005] The information disclosed in this Background section is intended to enhance the understanding of the background of this disclosure, and therefore may contain information that does not constitute related (prior) art. Summary of the Invention

[0006] This disclosure provides aspects of battery straps and battery strapping methods.

[0007] However, the technical problems to be solved by this disclosure are not limited to those described above, and those skilled in the art will clearly understand from the following description of this disclosure other problems not mentioned herein, as well as aspects and features of this disclosure in solving these problems.

[0008] One aspect of the implementation provides a battery strip comprising: a first member configured to be positioned relative to a first surface of a battery; and a second member extending from a side of the first member, configured to surround a side surface of the battery, and coupled to a second surface of the battery opposite to the first surface. The first member may be configured to contract and contact the first surface of the battery based on the first member being exposed to a first heat, and the second member may be configured to contract and contact the side surface of the battery based on the second member being exposed to a second heat.

[0009] According to one embodiment, the first component may include a first base portion and a first coating stacked on the opposite surface of the first base portion, and the first base portion includes an anisotropic heat-shrinkable material configured to anisotropically heat-shrink based on exposure to a first heat.

[0010] According to one embodiment, the first component may further include: a first printed layer, stacked on at least one surface of one of the first coatings.

[0011] According to one embodiment, the second component may include a second base portion and a second coating stacked on opposite surfaces of the second base portion, and the second base portion includes anisotropic heat-shrinkable material configured to anisotropically heat-shrink based on exposure to a second heat.

[0012] According to one embodiment, the second component may further include: a second printed layer, stacked on at least one surface of one of the second coatings.

[0013] According to one embodiment, the second component may further include an adhesive layer formed on at least one surface of one of the second coatings, and the second component is configured to be bonded to the second surface of the battery via the adhesive layer.

[0014] According to one embodiment, the first member can be configured to contract in a first direction and a second direction perpendicular to the first direction to contact the first surface of the battery, based on the first member being exposed to a first heat while spaced apart from the first surface of the battery.

[0015] According to one embodiment, the second member includes a bent portion along a side surface of the battery, wherein at least a portion of the bent portion is configured to be coupled to a second surface of the battery.

[0016] According to one embodiment, the second member can be configured to contract in a first direction and a second direction perpendicular to the first direction to contact the side surface of the battery based on the second member being exposed to a second heat.

[0017] According to one embodiment, the protection circuit module may be mounted on one side surface of the battery, and the second member is configured to be coupled to at least a portion of the second surface of the battery and surround the protection circuit module.

[0018] According to one embodiment, the first component and the second component may include at least one of polycarbonate (PC), polypropylene (PP), polyethylene (PE), and polyethylene terephthalate (PET).

[0019] According to one embodiment, the first heat or the second heat is in a temperature range from about 60°C to about 70°C.

[0020] According to one embodiment, the first member and the second member have a thickness ranging from about 20 μm to about 50 μm, and are configured to contract by substantially the same amount in a first direction and a second direction perpendicular to the first direction based on being exposed to a first heat and a second heat, respectively.

[0021] According to one embodiment, four second members may extend from the four sides of the first member, and the second members may be separable from each other and configured to be bonded to the second surface of the battery.

[0022] One aspect of the implementation provides a battery strapping method, the method comprising: providing a battery strap including a first member and a second member; placing the first member relative to a first surface of the battery; bending the second member along a side surface of the battery and attaching at least a portion of the second member to a second surface of the battery; and shrinking the first member and the second member by applying heat. The first member may shrink and contact the first surface of the battery based on the first member being exposed to a first heat, and the second member may shrink and contact the side surface of the battery based on the second member being exposed to a second heat.

[0023] According to one embodiment, the second component includes a plurality of second components, wherein the plurality of second components are separated from each other and can be coupled to a second surface of the battery.

[0024] According to one embodiment, heat shrinking may include: placing a first member spaced apart from a first surface of the battery; applying first heat to the first member to cause the first member to shrink in a first direction and a second direction perpendicular to the first direction to bring the first member into contact with the first surface of the battery.

[0025] According to one embodiment, shrinkage may include: applying a second heat at a temperature higher than a preset temperature to a second member bent along the side surface of the battery, such that at least a portion of the second member can be bonded to a second surface of the battery, wherein applying the second heat causes the second member to shrink in a first direction and a second direction perpendicular to the first direction, so that the second member contacts the side surface of the battery.

[0026] According to one embodiment, the first heat or the second heat can be in a temperature range from about 60°C to about 70°C.

[0027] According to one embodiment, the first and second components can be formed to have a thickness in the range of about 20 μm to about 50 μm, and to shrink by substantially the same amount in the first direction and in the second direction perpendicular to the first direction based on being exposed to the first heat and the second heat, respectively.

[0028] According to various embodiments of this disclosure, the first and second components of the anisotropic heat-shrinkable film can be thermally shrinked by receiving heat to eliminate the gap between the battery and the battery band, thereby preventing the battery from being moved in the event of a drop of the electronic device.

[0029] According to various embodiments of this disclosure, the phenomenon of wrinkling of the battery strip due to heat shrinkage between the battery strip and the first surface of the battery can be improved.

[0030] However, the aspects and features of this disclosure are not limited to those described above, and those skilled in the art will clearly understand from the detailed description below that other aspects and features not mentioned will be apparent. Attached Figure Description

[0031] The accompanying drawings illustrate embodiments of the present disclosure, and together with the detailed description thereof, further describe aspects and features of the present disclosure. Therefore, this disclosure should not be construed as limited to the drawings.

[0032] Figure 1 The illustration shows a perspective view of the state of the battery before it is placed on the battery pack according to an embodiment of the present disclosure.

[0033] Figure 2 Show Figure 1 The state in which the first surface of the battery according to an embodiment of the present disclosure is placed on the battery strip.

[0034] Figure 3 The illustration shows a plan view of a battery to which a battery strip is attached according to an embodiment of the present disclosure.

[0035] Figure 4 The illustration shows a bottom view of a battery strip according to an embodiment of the present disclosure.

[0036] Figure 5 The illustration shows the battery strip along an embodiment of the present disclosure. Figure 4 The cross-sectional view taken from line AA in the diagram.

[0037] Figure 6A The illustration shows a side view in the X-axis direction of a battery with a battery strip attached according to an embodiment of the present disclosure before heat shrinking. Figure 6A The second component extending in the X-axis direction is omitted.

[0038] Figure 6B The illustration shows a side view in the X-axis direction of a battery to which a battery strip according to an embodiment of the present disclosure is attached after heat shrinking. Figure 6B The second component extending in the X-axis direction is omitted.

[0039] Figure 7AThe illustration shows a side view in the Y-axis direction of a battery with a battery strip attached according to an embodiment of the present disclosure before heat shrinking. Figure 7A The second component extending in the Y-axis direction is omitted.

[0040] Figure 7B The illustration shows a side view in the Y-axis direction of a battery to which a battery strip according to an embodiment of the present disclosure is attached after heat shrinking. Figure 7B The second component extending in the Y-axis direction is omitted.

[0041] Figure 8 The illustration shows a flowchart of an example battery loading method according to an embodiment of the present disclosure. Detailed Implementation

[0042] In the following, embodiments of this disclosure will be described in detail with reference to the accompanying drawings. The terms or words used in this specification and claims should not be construed as having a general or dictionary meaning, but should be interpreted in a meaning and concept consistent with the technical spirit of this disclosure, based on the principle that the inventor is capable of properly defining the concepts of the terms to best describe his / her invention as his / her own lexicographer.

[0043] The embodiments described in this specification and the constructions shown in the accompanying drawings are only some of the embodiments of this disclosure and do not represent all the technical spirit, aspects, and features of this disclosure. Accordingly, it should be understood that various equivalents and modifications are possible at the time of filing this application, which can replace or modify the embodiments described herein.

[0044] It will be understood that when an element or layer is referred to as being "on" another element or layer, "connected to," or "attached to" another element or layer, the element or layer may be directly on, connected to, or attached to the other element or layer, or one or more intermediary elements or layers may be present. When an element or layer is referred to as being "directly on" another element or layer, "directly connected to," or "directly attached to" another element or layer, no intermediary element or layer is present. For example, when a first element is described as being "attached" or "connected" to a second element, the first element may be directly attached to or connected to the second element, or the first element may be indirectly attached to or connected to the second element via one or more intermediary elements.

[0045] In the accompanying drawings, the dimensions of various elements, layers, etc., may be exaggerated for clarity of illustration. The same reference numerals denote the same elements. As used herein, the term "and / or" includes any and all combinations of one or more of the items listed. Furthermore, when describing embodiments of this disclosure, the use of "may" means "one or more embodiments of this disclosure." Expressions such as "at least one of" and "any one of" modify the entire list of elements without modifying individual elements in the list when placed after the list of elements. When phrases such as "at least one of A, B, and C," "at least one of A, B, or C," "at least one selected from the group of A, B, and C," or "at least one selected from A, B, and C" are used to specify a list of elements A, B, and C, the phrase may refer to any and all suitable combinations or subsets of A, B, C, A and B, A and C, B and C, or A and B and C, A, B, and C. As used herein, the term "use" and its variations may be considered synonymous with the term "utilize" and its variations, respectively. As used herein, the terms “substantially,” “approximately,” and similar terms are used as approximate terms rather than terms of degree and are intended to describe the inherent biases of measurements or calculations that would be recognized by one of ordinary skill in the art.

[0046] It will be understood that although the terms "first," "second," "third," etc., can be used to describe various elements, components, areas, layers, and / or portions, these elements, components, areas, layers, and / or portions should not be limited by these terms. These terms are used to distinguish one element, component, area, layer, or portion from another element, component, area, layer, or portion. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, area, layer, or portion discussed below may be referred to as the second element, component, area, layer, or portion.

[0047] In this document, spatial relative terms such as “below,” “under,” “down,” “above,” and “above” are used to describe the relationship between one element or feature as shown in the figures and another (or several) other elements or features. It will be understood that, in addition to the orientation shown in the figures, spatial relative terms are intended to include different orientations of the device in use or operation. For example, if the device in the figures is flipped, an element described as “below” or “under” other elements or features will be oriented “above” or “directly above” other elements or features. Therefore, the term “below” can include both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptive terms used herein should be interpreted accordingly.

[0048] The terminology used herein is for the purpose of describing embodiments of this disclosure and is not intended to limit this disclosure. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “an” are intended to include the plural forms as well. It will be further understood that, when used in this specification, the term “comprising” designates the presence of stated features, integrals, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or groups thereof.

[0049] Furthermore, any numerical range disclosed and / or enumerated herein is intended to include all subranges with the same numerical precision within the enumerated range. For example, the range “1.0 to 10.0” is intended to include, for example, 2.4 to 7.6, all subranges between the stated minimum value of 1.0 and the stated maximum value of 10.0 (inclusive), i.e., all subranges with a minimum value equal to or greater than 1.0 and a maximum value equal to or less than 10.0. Any maximum numerical limit described herein is intended to include all smaller numerical limits, and any minimum numerical limit described in this specification is intended to include all larger numerical limits. Therefore, the applicant reserves the right to amend this specification (including the claims) to explicitly detail any subranges included within the scope expressly described herein.

[0050] Referring to two compared elements, features, etc., as "identical" can mean that they are "substantially identical." Therefore, the phrase "substantially identical" can include cases with deviations considered low in the art (e.g., deviations below 5%). Additionally, when a parameter is stated to be consistent within a given region, this can mean that it is consistent in terms of average value.

[0051] Throughout this specification, unless otherwise stated, each element may be singular or plural.

[0052] Placing any element "above (or below)" or "above (below)" another element can mean that the arbitrary element can contact the upper (or lower) surface of the element, and that another element can also be located between the element and the arbitrary element disposed on (or below) the element.

[0053] Additionally, it will be understood that when a component is referred to as “connected,” “linked,” or “attached” to another component, these components can be directly “connected,” “linked,” or “attached” to each other, or another component can be “between” these components.

[0054] Throughout this specification, unless otherwise stated, when “A and / or B” is mentioned, it means A, B, or A and B. That is, “and / or” includes any or all combinations of the enumerated items. Unless otherwise stated, when “C to D” is mentioned, it means C and below D.

[0055] The terminology used in this specification is for describing embodiments of this disclosure and is not intended to limit this disclosure.

[0056] Figure 1 The illustration shows a perspective view of the battery before it is placed on the battery pack according to an embodiment of the present disclosure. Figure 2 Show Figure 1 The state in which the first surface of the battery according to an embodiment of the present disclosure is placed on the battery strip. Figure 3 The illustration shows a plan view of a battery to which a battery strip is attached according to an embodiment of the present disclosure, and Figure 4 The illustration shows a bottom view of a battery strip according to an embodiment of the present disclosure.

[0057] The battery strip according to embodiments of this disclosure may include a first component 100 and a second component 200, wherein, although the embodiments are not limited thereto, the first component 100 and the second component 200 may be anisotropic heat-shrinkable films. For example, the first component 100 and the second component 200 may be implemented using other types of films or materials that can shrink based on the component being exposed to a certain amount of heat. The first component 100 may be placed on the first surface 11 of the battery 10 (see...). Figure 6A For example, the first component 100 can be formed in a rectangular shape. The first component 100 can be formed to correspond to the shape and size of the first surface 11 of the battery 10.

[0058] In some embodiments, the first surface 11 of the battery 10 can be as follows: Figure 6A The lower surface of the battery 10 is shown, but this disclosure is not limited thereto. The battery 10 may be placed on the first member 100 with its lower surface facing or opposite to the first member 100.

[0059] The second member 200 may extend from the side of the first member 100 and surround the side surface 13 of the battery 10. The second member 200 may be bent along the side surface 13 of the battery 10 such that at least a portion of the second member 200 (i.e., at least a portion of the bent portion of the second member 200) is coupled to the second surface 12 of the battery 10. The second member 200 may extend from all four sides of the first member 100 and surround the four side surfaces 13 of the battery 10. The second member 200 may be coupled to the first surface 11 of the battery 10 facing the battery 10 or the second surface 12 opposite to the first surface 11.

[0060] The first surface 11 of the battery 10 may face the second surface 12 or be opposite to the second surface 12, and the side surface 13 of the battery 10 may be the surface that connects the first surface 11 and the second surface 12. To make the second component 200 adhesive, an adhesive may be applied to the second component 200.

[0061] Any commonly used adhesive can be used without restriction. The adhesive can be an acrylic adhesive. The acrylic adhesive can be selected from polymethyl methacrylate (PMMA), polyethyl methacrylate (PEMA), or polybutyl methacrylate (PBMA).

[0062] The second component 200 can be bonded to the second surface 12 of the battery 10 by applying an adhesive to at least a portion of the second component 200. The second component 200 can be attached to at least a portion of the second surface 12 of the battery 10. In some embodiments, the second surface 12 of the battery 10 can be the upper surface of the battery 10, but this disclosure is not limited thereto.

[0063] The second member 200 may extend from the side of the first member 100 and the second member 200 may be attached to at least a portion of the battery 10 to further strengthen the bond between the battery band and the battery 10.

[0064] The second member 200 can have various shapes. Four second members 200 can be formed by extending from the four sides of the first member 100, and the second members 200 may not contact each other when attached to the second surface 12 of the battery 10. In this respect, in some embodiments, the second members 200 are separated from each other or have a distance or gap between them. For example, the second member 200 may have one or more rounded corners and may have a shape that narrows as the distance from the side of the first member 100 increases. However, the shape of the second member 200 is not limited to this.

[0065] The second component 200 can be folded toward the side surface 13 of the battery 10. For example, in Figure 2 In the embodiment shown where the four second components 200 are folded when the battery 10 is placed on the first component 100, as illustrated... Figure 3 As shown, the second components 200 may not overlap each other. In an embodiment where the four second components 200 are folded when the battery 10 is placed on the first component 100, the second components 200 may be bonded to the second surface 12 while surrounding the side surface 13 of the battery 10. Adhesive may not be applied to the portion of the second component 200 surrounding the side surface 13 of the battery 10.

[0066] For example, the side surface 13 of the battery 10 may be connected to the first surface 11 and the second surface 12. The first surface 11 may correspond to the lower surface of the battery 10, and the second surface 12 may correspond to the upper surface of the battery 10. In embodiments where the battery 10 is hexahedral, the side surface 13 of the battery 10 may include a third, fourth, fifth, and sixth surface connected to the first surface 11 and the second surface 12. The third surface may face the fifth surface or be opposite to the fifth surface, and the fourth surface may face the sixth surface or be opposite to the sixth surface. In some embodiments, the second member 200 may be incorporated into a portion of the second surface 12 while surrounding the third, fourth, fifth, and sixth surfaces.

[0067] The first component 100 and the second component 200 may be anisotropic heat-shrinkable films. The second component 200 may be attached to at least a portion of the second surface 12 of the battery 10, and the first component 100 may be spaced apart from the first surface 11 of the battery 10. In an embodiment where the first component 100 is heated when spaced apart from the first surface 11 of the battery 10, the first component 100 may shrink in a first direction D1 and a second direction D2 perpendicular to the first direction D1, and contact the first surface 11 of the battery 10.

[0068] For example, the first direction D1 may refer to a direction inclined at an angle of approximately 45° relative to the boundary line between the first member 100 and the second member 200. The second direction D2 may refer to a direction perpendicular to the first direction D1 and inclined at an angle of approximately 45° relative to the boundary line between the first member 100 and the second member 200. In some embodiments, the first direction D1 may refer to a direction inclined at an angle of approximately 90° relative to the boundary line between the first member 100 and the second member 200 (i.e., a direction perpendicular to the boundary line). The second direction D2 may refer to a direction parallel to or perpendicular to the boundary line between the first member 100 and the second member 200. The first direction D1 and the second direction D2 are not limited thereto, and various modifications may be made to the first direction D1 and the second direction D2 as long as they are two mutually perpendicular directions. In embodiments where the second member 200 is supplied with heat above a preset temperature, the second member 200 may contract in both the first direction D1 and the second direction D2 perpendicular to the first direction D1, and contact the side surface 13 of the battery 10.

[0069] In some embodiments, the first component 100 is spaced apart from the first surface 11 of the battery 10 before being heated, allowing a gap to exist between the first component 100 and the first surface 11 of the battery 10. In embodiments where heating is performed in this state, the first component 100 can contract in the first direction D1 and the second direction D2, significantly reducing or eliminating the gap, thereby allowing the first component 100 to contact the first surface 11 of the battery 10. In some embodiments, wrinkles caused by the gap between the first component 100 and the first surface 11 of the battery 10 can be reduced, and the chance of movement of the battery 10 if an electronic device in which the battery 10 is installed is dropped can be prevented or significantly reduced.

[0070] In some embodiments, the second component 200, before being heated, contacts the second surface 12 of the battery 10 and is spaced apart from the side surface 13 of the battery 10, allowing a gap to exist between the second component 200 and the side surface 13 of the battery 10. In embodiments where heating is performed in this state, the second component 200 can contract or shrink in the first direction D1 and the second direction D2, significantly reducing or eliminating the gap and allowing the second component 200 to contact the side surface 13 of the battery 10. In some embodiments, wrinkles caused by the gap between the second component 200 and the side surface 13 of the battery 10 can be improved, and the chance of movement of the battery 10 when the electronic device is dropped can be prevented or significantly reduced.

[0071] The first component 100 and the second component 200 may comprise at least one of polycarbonate (PC), polypropylene (PP), polyethylene (PE), and polyethylene terephthalate (PET). The materials of the first component 100 and the second component 200 are not particularly limited, provided that the materials shrink upon application of heat (e.g., anisotropic thermal shrinkage). The material may be anisotropically thermally shrinkable, based on the non-uniform shrinkage in different directions upon application of heat. For example, the material may shrink or compress more significantly along one axis compared to another, resulting in an uneven shrinkage pattern due to its structural characteristics. In some embodiments, the material shrinks differently depending on the direction in which heat is applied to it. For example, the first component 100 and the second component 200 may thermally shrink in a temperature range from about 60°C to about 70°C. In some embodiments, the first component 100 and the second component 200 may thermally shrink in a temperature range from about 62°C to about 68°C. In some embodiments, the first component 100 and the second component 200 can be thermally shrunk in a temperature range from about 64°C to about 66°C.

[0072] For example, the first component 100 and the second component 200 can be films that do not shrink at room temperature or below approximately 60°C, but shrink by tens to hundreds of times more than ordinary PET films when a small amount of heat (e.g., heat below a threshold temperature) is applied. The principle behind the shrinkage of the first component 100 and the second component 200 can be that a polymer with a certain chain length generates residual stress through elongation, and when a certain amount of heat is supplied while the residual stress is present, shrinkage can occur to release the residual stress.

[0073] According to embodiments, the first component 100 and the second component 200 can be formed to have a thickness ranging from about 20 μm to about 50 μm. In some embodiments, the first component 100 and the second component 200 can be formed to have a thickness ranging from about 25 μm to about 40 μm. In some embodiments, the first component 100 and the second component 200 can be formed to have a thickness ranging from about 30 μm to about 35 μm. In embodiments where the first component 100 and the second component 200 are supplied with heat above a preset temperature, the first component 100 and the second component 200 can contract by substantially the same amount in the first direction D1 and the second direction D2 perpendicular to the first direction D1.

[0074] The battery band and method according to one or more embodiments of this disclosure allow for filling (e.g., substantially uniformly filling) the gaps between the first member 100 and the first surface 11 of the battery 10, and between the second member 200 and the side surface 13 of the battery 10, to help prevent or significantly reduce the chance of the battery 10 shifting upon a drop. In some embodiments, the manufacturing process can be simplified because a separate subsequent process for eliminating the gaps between the battery and the battery band may not be required.

[0075] In embodiments of this disclosure, a protection circuit module (PCM) 20 may be mounted on a side surface 13 of the battery 10, and a second component 200 may be coupled to at least a portion of a second surface 12 of the battery 10 when surrounding the PCM 20. The PCM may be connected to the battery 10 by soldering or brazing, for example via a conductive nickel plate. The PCM 20 may be bonded to the leads of the battery 10 by spot welding or brazing.

[0076] PCM 20 can be electrically connected to battery 10 and can prevent battery 10 from overheating and exploding due to overcharging, over-discharging, or overcurrent. PCM 20 may include safety elements consisting of passive elements such as resistors and capacitors, active elements such as field transistors, or protection circuit elements in which integrated circuits may be selectively formed.

[0077] PCM 20 can be placed on the side surface 13 of battery 10. PCM 20 may include a flexible printed circuit board. The flexible printed circuit board may have a bent shape. PCM 20 may include a connector for connection to an external device, which is located on one surface of a lead portion extending from one side of battery 10. PCM 20 can be connected to an external device via the connector. PCM 20 can transfer electrical energy stored in battery 10 to an external device, or can receive control signals from an external device for controlling the operation of battery 10.

[0078] In an embodiment where the PCM 20 contacts a side surface 13 of the battery 10, the second member 200 may surround the side surface 13 of the battery 10, which includes the PCM 20. In this state, in an embodiment where heat is supplied to the second member 200, the second member 200 may shrink or compress due to anisotropic thermal contraction.

[0079] In embodiments where the second component 200 is heat-shrinkable, the gap on the side surface 13 of the battery 10, including the PCM 20, can be significantly reduced or eliminated, thereby allowing the second component 200 to contact one side of the PCM 20. In some embodiments, the PCM 20 can be stably mounted on the side surface 13 of the battery 10.

[0080] Figure 5 The illustration shows the battery strip along an embodiment of the present disclosure. Figure 4 The cross-sectional view taken from line AA in the diagram.

[0081] See Figure 5 The first component 100 may include a first base portion 110 and a first coating 120 stacked on the opposite surface of the first base portion 110. The first base portion 110 may correspond to an anisotropic heat-shrinkable material. The first component 100 may further include a first printed layer 130 stacked on at least one surface of the first coating 120.

[0082] The second component 200 may include a second base portion 210 and a second coating 220 stacked on the opposite surface of the second base portion 210. The second base portion 210 may correspond to an anisotropic heat-shrinkable material. The second component 200 may further include a second printed layer 230 stacked on at least one surface of the second coating 220.

[0083] In some embodiments, the second member 200 may further include an adhesive layer 240 formed on at least one surface of the second coating 220. The second member 200 can be bonded to the second surface 12 of the battery 10 via the adhesive layer 240. The adhesive layer 240 may be formed (e.g., only formed) in the portion of the second member 200 that is bent along a side surface of the battery 10 and contacts the second surface 12. In some embodiments, when the second member 200 is bonded to the second surface 12 of the battery 10, the second member 200 may be spaced apart from the first surface 11 without contacting the first surface 11. For example, the first coating 120 and the second coating 220 may be formed by low-temperature undercoating. For example, the first coating 120 and the second coating 220 may be formed at a temperature range from about 40°C to about 50°C. In some embodiments, the first coating 120 and the second coating 220 may be formed at a temperature range from about 42°C to about 48°C. In some embodiments, the first coating 120 and the second coating 220 may be formed at a temperature range from about 44°C to about 46°C.

[0084] For example, the first printed layer 130 and the second printed layer 230 can be formed by color printing and ultraviolet (UV) drying. The first printed layer 130 can be formed on a portion of the surface of the first component 100. In some embodiments, the second printed layer 230 can be formed on a portion of the surface of the second component 200.

[0085] The adhesive layer 240 may be formed on at least one surface of the second coating 220. The adhesive layer 240 may be formed on a portion of the surface of the second coating 220 such that the second member 200 may be bonded to the second surface 12 of the battery 10.

[0086] The adhesive layer 240 can be used without restriction as long as it is made using a common adhesive. The adhesive layer 240 can be formed by applying an acrylic adhesive to the second coating 220. The acrylic adhesive can be selected from polymethyl methacrylate (PMMA), polyethyl methacrylate (PEMA), or polybutyl methacrylate (PBMA).

[0087] Various known methods can be used to apply the adhesive layer 240 onto the second coating 220 to achieve various thicknesses. For example, the adhesive layer 240 can be applied with a thickness ranging from approximately 2% to approximately 16% of the total thickness of the second component 200. In some embodiments, the adhesive layer 240 can be applied with a thickness ranging from approximately 4% to approximately 14% of the total thickness of the second component 200. In some embodiments, the adhesive layer 240 can be applied with a thickness ranging from approximately 6% to approximately 12% of the total thickness of the second component 200. In embodiments, the adhesive layer 240 can be formed by a thermosetting method or a UV curing method.

[0088] The adhesive layer 240 may be formed on a portion of the surface of the second coating 220. The adhesive layer 240 may be formed (e.g., only) in the portion of the second member 200 that is bent along the side surface of the battery 10 and contacts the second surface 12 in the second coating 220.

[0089] Figure 6A The illustration shows a side view in the X-axis direction of a battery with a battery strip attached according to an embodiment of the present disclosure before heat shrinking. Figure 6A The second component extending in the X-axis direction is omitted), and Figure 6B The illustration shows a side view in the X-axis direction of a battery to which a battery strip according to an embodiment of the present disclosure is attached after heat shrinking. Figure 6B The second component extending in the X-axis direction has been omitted. Figure 7A The illustration shows a side view in the Y-axis direction of a battery with a battery strip attached according to an embodiment of the present disclosure before heat shrinking. Figure 7A The second component extending in the Y-axis direction is omitted), and Figure 7B The illustration shows a side view in the Y direction of a battery to which a battery strip according to an embodiment of the present disclosure is attached after heat shrinking. Figure 7B The second component extending in the Y-axis direction has been omitted.

[0090] See Figures 6A to 7B The battery strip, including the first component 100 and the second component 200, can eliminate the gap between the battery 10 and the battery strip through anisotropic thermal shrinkage.

[0091] like Figure 6A and Figure 7A As shown, in an embodiment where the first member 100 is placed on the first surface 11 of the battery 10 and the second member 200 is attached to the second surface 12 of the battery 10, an open space (e.g., a gap) may be formed between the first member 100 and the first surface 11 of the battery 10 before heat shrinking. In some embodiments, an open space may be formed between the second member 200 and the side surface 13 of the battery 10 before heat shrinking.

[0092] The open space between the first component 100 and the first surface 11 of the battery 10, and the open space between the second component 200 and the side surface 13 of the battery 10, allow the battery 10 to be separated from the electronic device housing, or to change its position within the electronic device housing when the electronic device is dropped. Therefore, the battery strip according to embodiments of the present disclosure fills the open spaces using the first component 100 and the second component 200, which are made of anisotropic heat-shrinkable material, to address the issue of battery 10 shifting when the electronic device is dropped.

[0093] In embodiments where heat is applied to the first component 100 and the second component 200, such as Figure 6B and Figure 7B As shown, the first component 100 and the second component 200 may undergo shrinkage (e.g., anisotropic heat shrinkage) to fill the open space between the first component 100 and the first surface 11 of the battery 10, and the open space between the second component 200 and the side surface 13 of the battery 10. Prior to the heat shrinking process, the second component 200 may be bent along the side surface of the battery 10 such that the portion of the second component 200 that contacts the second surface 12 (e.g., only that portion) can be bonded to the second surface 12. In some embodiments, where the second component 200 is bonded to the second surface 12 of the battery 10, an open space may be formed between the first component 100 and the first surface 11 of the battery 10, and an open space may be formed between the second component 200 and the side surface 13 of the battery 10.

[0094] See Figures 6A to 7B In an embodiment where the first component 100 and the second component 200 undergo anisotropic thermal shrinkage, the second component 200 may come into contact with the side surface 13 of the battery 10 when the second component 200 is pulled down from the battery 10.

[0095] In embodiments where the second member 200 is partially bonded to the second surface 12 of the battery 10, the side surface 13 of the battery 10 can be protected by being pulled downwards through anisotropic thermal shrinkage. The bonding between the battery band and the battery 10 can be further strengthened by anisotropically thermally shrinking the second member 200 when it is bonded to at least a portion of the battery 10.

[0096] Figure 8 The illustration shows a flowchart of an example battery taping method according to an embodiment of the present disclosure.

[0097] In embodiments of this disclosure, the battery strapping method may include: providing a battery strap including a first member 100 and a second member 200 (operation S100); placing the first member 100 relative to a first surface 11 of the battery 10 (e.g., on or above the first surface 11 of the battery 10) (operation S200); bending the second member 200 along a side surface 13 of the battery 10 and attaching at least a portion of the second member 200 to a second surface 12 of the battery 10 (operation S300); and thermally shrinking the first member 100 and the second member 200 by applying heat to them (operation S400).

[0098] The battery mounting method can be initiated by providing a battery strip including a first component 100 and a second component 200 (operation S100). The first component 100 may correspond to a region of the first surface 11 of the battery 10.

[0099] In the operation S100 of providing the battery band, the first component 100 may include: a first base portion 110; a first coating 120 stacked on the opposite surface of the first base portion 110; and a first printed layer 130. The second component 200 may include: a second base portion 210; a second coating 220 stacked on the opposite surface of the second base portion 210; a second printed layer 230; and an adhesive layer 240. The second component 200 may include a plurality of second components 200, wherein the plurality of second components 200 are separated from each other and bonded to the second surface 12 of the battery 10.

[0100] In operation S100, which provides the battery strip, an anisotropic heat-shrinkable material may be provided to the first substrate portion 110 and the second substrate portion 210. After the first substrate portion 110 and the second substrate portion 210 are prepared, the first coating 120 and the second coating 220 may be formed on the first substrate portion 110 and the second substrate portion 210 by low-temperature undercoating. For example, low-temperature undercoating may be performed at a temperature range from about 40°C to about 50°C. In some embodiments, low-temperature undercoating may be performed at a temperature range from about 42°C to about 48°C. In some embodiments, low-temperature undercoating may be performed at a temperature range from about 44°C to about 46°C.

[0101] Low-temperature undercoating can be performed prior to heat shrink treatment. The term "low-temperature" can mean a temperature below the process temperature of heat shrink treatment.

[0102] The first printed layer 130 may be formed on a portion of the surface of the first coating 120. In some embodiments, the second printed layer 230 may be formed on a portion of the surface of the second coating 220. For example, the first printed layer 130 and the second printed layer 230 may be formed by color printing and UV drying. In embodiments of this disclosure, the first printed layer 130 and the second printed layer 230 may have color. For example, the color may be dark gray.

[0103] The adhesive layer 240 may be formed on at least one surface of the second coating 220. For example, the second component 200 may be bonded to the battery 10 via the adhesive layer 240 by heat-treating the second surface 12 of the battery 10 at a temperature below approximately 50°C for forty-eight hours.

[0104] In operation S100, which provides the battery band, the adhesive layer 240 can be manufactured using a common adhesive. The adhesive layer 240 can be formed by applying an acrylic adhesive to the second coating 220. In some embodiments, the acrylic adhesive may be selected from PMMA, PEMA, or PBMA.

[0105] Various thicknesses can be achieved by applying the adhesive layer 240 to the second coating 220 using various known methods. For example, the adhesive layer 240 can be formed by applying an adhesive using a scraper to a thickness of approximately 2% to approximately 16% of the total thickness of the second component 200.

[0106] In operation S200, where the first component 100 is placed on the first surface 11 of the battery 10, the first component 100 may be positioned facing the first surface 11 of the battery 10. In operation S200, where the first component 100 is placed on the first surface 11 of the battery 10, the second component 200 may be placed in an unfolded state facing the outside of the side surface 13 of the battery 10.

[0107] In operation S300, where the second member 200 is bent along the side surface 13 of the battery 10 and at least a portion of the second member 200 is attached to the second surface 12 of the battery 10, the second member 200 may extend from the side of the first member 100 and surround the side surface 13 of the battery 10. The second member 200 may be folded toward the side surface 13 of the battery 10.

[0108] The second member 200 can be bent along the side surface 13 of the battery 10, such that at least a portion of the second member 200 is attached to the second surface 12 of the battery 10. The second member 200 can extend from the four sides of the first member 100 and surround the four side surfaces 13 of the battery 10.

[0109] In operation S300, where a portion of the second component 200 is bonded to the second surface 12 of the battery 10, the second component 200 may be bonded to at least a portion of the second surface 12 of the battery 10. The second components 200 may be bonded to the second surface 12 of the battery 10 without contacting each other.

[0110] For example, the second member 200 may have multiple rounded corners and may have a shape that narrows as the distance from the side of the first member 100 increases. In operation S300, which incorporates a portion of the second member 200 into the second surface 12 of the battery 10, the corners of the second member 200 may remain spaced apart from each other.

[0111] In an embodiment where heat above a preset temperature is supplied to the first component 100 when the first component is placed spaced apart from the first surface 11 of the battery 10, the operation S400 of thermally shrinking the first component 100 and the second component 200 may include: shrinking the first component 100 in a first direction D1 and a second direction D2 perpendicular to the first direction D1, and bringing the first component 100 into contact with the first surface 11 of the battery 10.

[0112] For example, in an embodiment where the second member 200 is supplied with heat above a preset or threshold temperature while bent along the side surface 13 of the battery 10, such that at least a portion of the second member 200 is bonded to the second surface 12 of the battery 10, the heat shrinking operation S400 may include: shrinking the second member 200 in a first direction D1 and a second direction D2 perpendicular to the first direction D1, and bringing the second member 200 into contact with the side surface 13 of the battery 10.

[0113] The heat shrinking operation S400 can be performed in a temperature range from about 60°C to about 70°C. In an embodiment where heat is supplied to the first component 100 and the second component 200 in the heat shrinking operation S400, the first component 100 and the second component 200 can undergo anisotropic heat shrinking.

[0114] In embodiments where the first component 100 is heated or exposed to heat when placed spaced apart from the first surface 11 of the battery 10, the first component 100 may retract in a first direction D1 and a second direction D2 perpendicular to the first direction D1 and contact the first surface 11 of the battery 10. In embodiments where the second component 200 is supplied with or exposed to heat above a preset or threshold temperature, the second component 200 may retract in a first direction D1 and a second direction D2 perpendicular to the first direction D1 and contact the side surface 13 of the battery 10.

[0115] In the heat shrinking operation S400, the first component 100 and the second component 200 may be formed to have a thickness ranging from about 20 μm to about 30 μm. In embodiments where the first component 100 and the second component 200 are supplied or exposed to heat above a preset or threshold temperature, the heat shrinking operation S400 may include shrinking the first component 100 and the second component 200 by the same amount in a first direction D1 and a second direction D2 perpendicular to the first direction D1.

[0116] In the heat shrinking operation S400, the first component 100 may be placed spaced apart from the first surface 11 of the battery 10 before receiving heat. In this embodiment of heating, the first component 100 may shrink in the first direction D1 and the second direction D2, such that the gap is significantly reduced or disappears and the first component 100 comes into contact with the first surface 11 of the battery 10.

[0117] In the heat shrinking operation S400, a portion of the second member 200 may contact the second surface 12 of the battery 10 before receiving heat, and the second member 200 may be spaced apart from the side surface 13 of the battery 10. In this embodiment of heating, the second member 200 may shrink in the first direction D1 and the second direction D2, such that the gap is significantly reduced or disappears and the second member 200 may contact the side surface 13 of the battery 10.

[0118] In the heat shrinking operation S400, the heated first component 100 and second component 200 can shrink by the same amount in both the first direction D1 and the second direction D2 perpendicular to the first direction D1. In some embodiments, the gaps between the first component 100 and the first surface 11 of the battery 10, and between the second component 200 and the side surface 13 of the battery 10, are filled (e.g., substantially uniformly) to help prevent or significantly reduce the chance of the battery 10 shifting upon drop.

[0119] Figure 8 The flowcharts and descriptions above are merely examples of this disclosure, and the scope of this disclosure is not limited to... Figure 8 The flowchart and the above description are as follows. For example, one or more steps in the flowchart and the above description can be added / changed / deleted, the order of one or more steps can be changed, and one or more steps can be executed simultaneously.

[0120] Although this disclosure has been described with reference to the accompanying drawings illustrating aspects of the embodiments, this disclosure is not limited thereto. Those skilled in the art to which this disclosure pertains will be able to make various modifications and variations within the spirit and scope of the technical spirit of this disclosure and the following claims and their equivalents.

Claims

1. A battery strip, comprising: The first component is configured to be positioned relative to the first surface of the battery; as well as A second component, extending from the side of the first component, is configured to surround a side surface of the battery and is attached to a second surface of the battery opposite to the first surface. The first component is configured to contract and contact the first surface of the battery based on the first component being exposed to a first heat, and the second component is configured to contract and contact the side surface of the battery based on the second component being exposed to a second heat.

2. The battery strip according to claim 1, wherein, The first component includes a first base portion and a first coating stacked on the opposite surface of the first base portion, and the first base portion includes anisotropic heat-shrinkable material configured to anisotropically heat shrink based on exposure to the first heat.

3. The battery strip according to claim 2, wherein, The first component further includes: a first printed layer, stacked on at least one surface of one of the first coatings.

4. The battery strip according to claim 1, wherein, The second component includes a second base portion and a second coating stacked on the opposite surface of the second base portion, and the second base portion includes anisotropic heat-shrinkable material configured to anisotropically heat shrink based on exposure to the second heat.

5. The battery strip according to claim 4, wherein, The second component further includes: a second printed layer, stacked on at least one surface of one of the second coatings.

6. The battery strip according to claim 4, wherein, The second component further includes an adhesive layer formed on at least one surface of a second coating in the second coating, and the second component is configured to be bonded to the second surface of the battery via the adhesive layer.

7. The battery strip according to claim 1, wherein, The first member is configured to contract in a first direction and a second direction perpendicular to the first direction to contact the first surface of the battery, based on the first member being exposed to the first heat while spaced apart from the first surface of the battery.

8. The battery strip according to claim 1, wherein, The second component includes a bent portion along the side surface of the battery, wherein at least a portion of the bent portion is configured to be coupled to the second surface of the battery.

9. The battery strip according to claim 8, wherein, The second member is configured to contract in a first direction and a second direction perpendicular to the first direction to contact the side surface of the battery based on the second member being exposed to the second heat.

10. The battery strip according to any one of claims 1 to 9, wherein, A protection circuit module is mounted on one side surface of the battery, and the second member is configured to attach to at least a portion of the second surface of the battery and surround the protection circuit module.

11. The battery strip according to any one of claims 1 to 9, wherein, The first component and the second component include at least one of polycarbonate PC, polypropylene PP, polyethylene PE and polyethylene terephthalate PET.

12. The battery strip according to any one of claims 1 to 9, wherein, The first heat or the second heat is in the temperature range of 60°C to 70°C.

13. The battery strip according to any one of claims 1 to 9, wherein, The first and second components have a thickness ranging from 20 μm to 50 μm and are configured to contract by the same amount in a first direction and a second direction perpendicular to the first direction based on being exposed to the first heat and the second heat, respectively.

14. The battery strip according to any one of claims 1 to 9, wherein, Four second components extend from the four sides of the first component, wherein the four second components are separated from each other and are configured to be coupled to the second surface of the battery.

15. A method for loading and unloading a battery, comprising: Provides a battery strip comprising a first component and a second component; The first component is placed relative to the first surface of the battery; The second member is bent along the side surface of the battery, and at least a portion of the second member is attached to the second surface of the battery; as well as By applying heat, the first and second components are caused to shrink. Wherein, the first component contracts and contacts the first surface of the battery based on the first component being exposed to a first heat, and the second component contracts and contacts the side surface of the battery based on the second component being exposed to a second heat.

16. The battery mounting method according to claim 15, wherein, The second component includes a plurality of second components, wherein the plurality of second components are separated from each other and are coupled to the second surface of the battery.

17. The battery mounting method according to claim 15, wherein, The contraction includes: The first component is positioned spaced apart from the first surface of the battery; and The first heat is applied to the first member to cause the first member to contract in a first direction and a second direction perpendicular to the first direction so that the first member contacts the first surface of the battery.

18. The battery mounting method according to claim 15, wherein, The contraction includes: A second heat, above a preset temperature, is applied to the second member bent along the side surface of the battery, such that at least a portion of the second member is bonded to the second surface of the battery, wherein the application of the second heat causes the second member to contract in a first direction and a second direction perpendicular to the first direction to bring the second member into contact with the side surface of the battery.

19. The battery loading method according to any one of claims 15 to 18, wherein, The first heat or the second heat is in the temperature range of 60°C to 70°C.

20. The battery loading method according to any one of claims 15 to 18, wherein, The first and second components are formed to have a thickness ranging from 20 μm to 50 μm, and shrink by the same amount in a first direction and a second direction perpendicular to the first direction based on being exposed to the first heat and the second heat, respectively.

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