Battery attachment tape and battery attachment tape

Abstract

Disclosed are a battery attachment tape and a battery to which the battery attachment tape is attached. The battery attachment tape includes: an adhesive portion including an adhesive surface attached to a surface of a battery cell; and a nip portion extending from one side of the adhesive portion. The adhesive portion includes: a first adhesive portion overlapping the nip portion in the first direction; and a second adhesive portion on an opposite side of the first adhesive portion. Adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.

Description

Technical Field

[0001] The embodiments of this disclosure relate to a battery attachment strip and a battery with the battery attachment strip attached, the battery attachment strip having a structure that can improve the ease of battery removal. 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] 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

[0004] In a battery, battery removal can be performed as needed or desired, and therefore, a battery attachment strip can be bonded to the battery cell to facilitate user access during the battery removal process. In this case, if the adhesive strength of the strip is low, bulging and noise between the strip and the battery cell may occur. On the other hand, if the adhesive strength is high, it will reduce the ease of battery removal. Therefore, based on one or more of the above aspects, it may be desirable to improve or optimize the structure of the adhesive segment of the strip.

[0005] Embodiments of this disclosure may relate to a battery attachment strip and a battery with the battery attachment strip attached, which can prevent or substantially prevent, for example, the battery attachment strip from bulging from the battery cell when the electronic device is dropped, while also improving the ease of battery removal process.

[0006] 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.

[0007] According to one or more embodiments of this disclosure, a battery attachment strip includes: an adhesive portion including an adhesive surface attached to the surface of a battery cell; and a clamping portion extending from one side of the adhesive portion. The adhesive portion includes: a first adhesive portion overlapping the clamping portion in a first direction; and a second adhesive portion on the opposite side of the first adhesive portion. The adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.

[0008] In one embodiment, the first adhesive portion may extend from one side of the first adhesive portion to the opposite side of that side of the adhesive portion.

[0009] In this embodiment, the adhesive strength of the second adhesive portion may be greater than that of the first adhesive portion.

[0010] In an embodiment, each of the first adhesive portion and the second adhesive portion may include a plurality of points containing adhesive material, and the points of the second adhesive portion may have a point diameter larger than the point diameter of the points of the first adhesive portion.

[0011] In one embodiment, the diameter of the dots on the first adhesive portion can be 1.2 mm, and the diameter of the dots on the second adhesive portion can be 1.5 mm.

[0012] In an embodiment, each of the first adhesive portion and the second adhesive portion may include a plurality of points containing adhesive material, and adjacent points among the plurality of points may be positioned such that the centers of the adjacent points are equally spaced apart from each other.

[0013] In an embodiment, the width of the first adhesive portion in the first direction may be greater than or equal to the width of the clamping portion in the first direction.

[0014] In this embodiment, the total area of ​​the second adhesive portion may be smaller than the total area of ​​the first adhesive portion.

[0015] In an embodiment, the battery attachment strip may further include: a non-adhesive portion having a non-adhesive region on at least one of the edges at the boundary region of the adhesive portion.

[0016] In one embodiment, the non-adhesive portion may be adjacent to the second adhesive portion.

[0017] In an embodiment, the battery attachment strip may further include a strongly adhesive portion on the opposite side to the adhesive portion, and the strongly adhesive portion may include a plurality of linear non-adhesive portions.

[0018] According to one or more embodiments of the present disclosure, a battery with a battery attachment strip is provided, the battery comprising: a battery cell; and a battery attachment strip according to any embodiment of the present disclosure.

[0019] According to some embodiments of this disclosure, the adhesive portion of the battery attachment strip may include areas with different adhesive strengths in the direction in which the strip can be peeled off by the clamping portion, thereby improving the ease of separating the adhesive portion and the battery cell from each other. Furthermore, the adhesive portion of the battery attachment strip may include a first adhesive portion with relatively weak adhesive strength along the same line as the direction in which the clamping portion can be peeled off, and a second adhesive portion with relatively strong adhesive strength may be provided on both sides (e.g., opposite sides) of the adhesive portion, thereby improving the ease of separating the battery cell and minimizing or reducing bulging of the strip.

[0020] According to some embodiments of this disclosure, the battery attachment strip may include a non-adhesive region, thereby preventing or substantially preventing bulging between the battery cell and the adhesive portion due to vibration and / or drops, etc. Additionally, bulging and noise caused by bulging can be further reduced due to a second adhesive portion having relatively strong adhesive strength around the non-adhesive region.

[0021] According to some embodiments of this disclosure, in response to the weakening of the bond between the battery cell and the adhesive portion due to the non-adhesive area, the battery attachment tape can supplement the bond strength between the adhesive portion and the battery cell by arranging a second adhesive portion adjacent to the non-adhesive area and having a relatively strong adhesive strength. In other words, the adhesive portion and the battery cell can be more firmly bonded to each other through the second adhesive portion.

[0022] 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

[0023] The accompanying drawings illustrate embodiments of the present disclosure and further describe aspects and features of the disclosure together with its detailed description. Therefore, this disclosure should not be construed as limited to the drawings.

[0024] Figure 1 The illustration shows an exploded perspective view of a battery including a battery attachment strip according to some embodiments of the present disclosure.

[0025] Figure 2 The figure shows a top plan view of a configuration of the battery attachment strip according to some embodiments of the present disclosure.

[0026] Figure 3 The illustration shows an enlarged plan view of a first point provided in a first adhesive portion and a second point provided in a second adhesive portion, according to some embodiments of the present disclosure.

[0027] Figure 4The illustration shows an enlarged plan view of the spacing between first points provided in a first adhesive portion and the spacing between second points provided in a second adhesive portion, according to some embodiments of the present disclosure.

[0028] Figure 5 The figure shows an enlarged plan view of the spacing between first points provided in a first adhesive portion and the surface-to-surface spacing between second points provided in a second adhesive portion, according to some embodiments of the present disclosure.

[0029] Figure 6 The figure shows a top plan view of the proportions of the clamping portion, the first adhesive portion, and the second adhesive portion of a battery attachment strip according to some embodiments of the present disclosure.

[0030] Figure 7 The figure shows a top plan view of the proportions of the clamping portion, the first adhesive portion, and the second adhesive portion of the battery attachment strip according to other embodiments of the present disclosure.

[0031] Figure 8 The illustration shows a perspective view of a battery attachment strip attached to a battery cell according to some embodiments of the present disclosure.

[0032] Figure 9 The illustration shows a perspective view of the state in which the battery attachment strip is peeled off from the battery cell according to some embodiments of the present disclosure. Detailed Implementation

[0033] In the following, embodiments of the present 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 the present 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.

[0034] The embodiments described in this specification and the configurations 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.

[0035] 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.

[0036] 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." The expressions "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.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] 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 enumerated herein is intended to include all smaller numerical limits, and any minimum numerical limit enumerated herein 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 range explicitly enumerated herein. All such ranges are intended to be inherently described in this specification such that any amendments used to explicitly enumerate any such subranges will comply with the requirements of patent law.

[0041] 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.

[0042] Throughout this specification, unless otherwise stated, each element may be singular or plural.

[0043] 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.

[0044] 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.

[0045] 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.

[0046] Figure 1 The illustration is an exploded perspective view of a battery including a battery attachment band 100 according to some embodiments of the present disclosure.

[0047] refer to Figure 1 According to some embodiments of this disclosure, a battery may include a battery cell 10, a battery attachment strap 100, a fixing strap 20, and a battery fixing portion 30. The battery includes at least a battery cell 10 and a battery attachment strap 100, which are typically as follows: Figure 1 The cells are stacked as shown. The battery attachment strip 100 can be directly connected to (e.g., directly coupled to or attached to) the battery cell 10. For example, one surface of the battery attachment strip 100 can be bonded to one surface of the battery cell 10, one surface of the retaining strip 20 can be attached to another surface of the battery attachment strip 100 (e.g., the opposite surface), and one surface of the battery retaining portion 30 can be attached to another surface of the retaining strip 20 (e.g., the opposite surface). The battery retaining portion 30 can be a structure disposed inside or outside a housing (such as the housing of an electronic device) or enclosure.

[0048] The battery attachment tape 100 may have an adhesive portion 110 formed on a surface facing the battery cell 10 (e.g., see...). Figure 2For example, the film-type battery attachment tape 100 may have adhesive strength on one side and a surface without adhesive strength on the opposite side. Therefore, the battery attachment tape 100 may be bonded to the fixing tape 20 depending on the adhesive strength of the fixing tape 20. In some embodiments, the fixing tape 20 may have suitable adhesive strength (e.g., a predetermined adhesive strength) on both surfaces (e.g., on opposite surfaces), or in other words, on the surface facing the battery attachment tape 100 and on the surface facing the battery fixing portion 30.

[0049] Figure 2 The figure shows a top plan view of a configuration of the battery attachment strip 100 according to some embodiments of the present disclosure. In the following, the first direction may refer to... Figure 2 The diagram shows the X direction, and the second direction can refer to... Figure 2 The Y direction is shown in the diagram.

[0050] refer to Figure 2 The battery attachment strip 100 may include an adhesive portion 110 and a clamping portion 120. The adhesive portion 110 includes an adhesive surface that is bonded to the surface of the battery cell 10, and the clamping portion 120 extends from one side of the adhesive portion 110. The adhesive portion 110 may include a first adhesive portion 111 that overlaps with the clamping portion 120 in a first direction (e.g., the X direction) and second adhesive portions 112 disposed on both sides (e.g., opposite sides) of the first adhesive portion 111. The adhesive strengths of the first adhesive portion 111 and the second adhesive portion 112 may be different from each other. The first adhesive portion 111 may be provided at the central region of the adhesive portion 110, and the second adhesive portion 112 may be disposed adjacent to the first adhesive portion 111. For example, the first adhesive portion 111 may extend from one side of the adhesive portion 110 to the opposite side. Among the first adhesive portion 111 and the second adhesive portion 112, the second adhesive portion 112 disposed on the edge region of the adhesive portion may be formed to have an adhesive strength stronger than that of the first adhesive portion 111.

[0051] In some embodiments, the first adhesive portion 111 may have a suitable adhesive strength that allows the first adhesive portion 111 to be more easily peeled off after being bonded to the battery cell 10, and the second adhesive portion 112 may maintain or substantially maintain the adhesive state with a stronger adhesive force, so that the battery attachment strip 100 will not separate from the battery cell 10 due to external forces such as dropping or twisting.

[0052] For example, the first adhesive portion 111 and the second adhesive portion 112 may be formed in a direction parallel or substantially parallel to the direction in which the clamping portion 120 disposed on one side of the adhesive portion 110 is peeled off. The parallel arrangement of the first adhesive portion 111 and the second adhesive portion 112 can facilitate easier peeling by the traction force generated from the clamping portion 120 in a first direction (e.g., the X direction).

[0053] In some embodiments, a non-adhesive portion 101 without adhesive strength may be formed within a portion of the total area of ​​the adhesive portion 110 of the battery attachment strip 100. For example, as... Figure 2 As shown, the adhesive portion 110 may include an adhesive region (e.g., a first adhesive portion 111 and a second adhesive portion 112) having adhesive strength to attach to at least a portion of one side of the battery cell 10, and a non-adhesive region (e.g., a non-adhesive region including four regions formed at the boundary region).

[0054] In some embodiments, at least one non-adhesive portion 101 may be formed along the edge of the adhesive portion 110. The non-adhesive portion 101 may be formed on at least one edge of the boundary region of the adhesive portion 110. If the adhesive portion 110 has a quadrilateral shape, the non-adhesive portion 101 may be formed at the four corners of the quadrilateral shape. In some embodiments, if the adhesive portion 110 has a quadrilateral shape, the non-adhesive portion 101 may be formed at at least two corners of the quadrilateral shape. The second adhesive portion 112 has a stronger adhesive strength than the first adhesive portion 111 and may be formed adjacent to the non-adhesive portion 101 without overlapping the clamping portion 120 in a first direction (e.g., the X direction). Accordingly, the second adhesive portion 112 may compensate for the weakening of the adhesive strength of the battery attachment strip 100 due to the formation of the non-adhesive portion 101.

[0055] Figure 3 The figure shows an enlarged plan view of a first point 111-1 provided in a first adhesive portion 111 and a second point 112-1 provided in a second adhesive portion 112, according to some embodiments of the present disclosure.

[0056] refer to Figure 3 The adhesive material provided on the adhesive portion 110 can be provided as a plurality of dots, and their sizes can be different from each other. For example, the first adhesive portion 111 and the second adhesive portion 112 can have dots of different sizes included therein, and therefore can have different adhesive strengths per unit area.

[0057] For example, the points provided in each of the first adhesive portion 111 and the second adhesive portion 112 can have different dimensions from each other. In the case where the diameter of the first point 111-1 in the first adhesive portion 111 is defined as a first diameter d1 and the diameter of the second point 112-1 in the second adhesive portion 112 is defined as a second diameter d2, the second diameter d2 can be larger than the first diameter d1. This difference in point size will cause a difference in the adhesive strength between the first adhesive portion 111 and the second adhesive portion 112.

[0058] As described above, because the diameter of the second point 112-1 can be larger than the diameter of the first point 111-1, the adhesive strength between the battery cell 10 and the second adhesive portion 112 can be stronger than the adhesive strength between the first adhesive portion 111 and the battery cell 10. On the other hand, because the diameter of the first point 111-1 is smaller than the diameter of the second point 112-1, the adhesive strength between the battery cell 10 and the first adhesive portion 111 can be weaker than the adhesive strength between the second adhesive portion 112 and the battery cell 10.

[0059] For example, the first diameter d1 can be 80% of the second diameter d2. More specifically, the first diameter d1, which is the diameter of the first point 111-1 provided in the first adhesive portion 111, can be 1.2 mm, and the second diameter d2, which is the diameter of the second point 112-1 provided in the second adhesive portion 112, can be 1.5 mm. However, this disclosure is not limited thereto, and the diameter can be modified in various ways depending on factors such as the type of adhesive material, the density of the dots, the area ratio between the first adhesive portion 111 and the second adhesive portion 112, and the required number and width of the non-adhesive portions 101.

[0060] The above examples are applicable to situations where a larger adhesive area per unit area is formed when using a single adhesive material, thereby producing a stronger adhesive strength. On the other hand, when different adhesive materials with different adhesive strengths are used in the first adhesive portion 111 and the second adhesive portion 112, the exposed area of ​​the point and the adhesive strength may have different correlations, but this disclosure is not limited thereto.

[0061] Figure 4 The figure shows an enlarged plan view of the spacing between first points 111-1 provided in the first adhesive portion 111 and the spacing between second points 112-1 provided in the second adhesive portion 112, according to some embodiments of the present disclosure.

[0062] refer to Figure 4The adhesive material provided on the adhesive portion 110 can be provided as a plurality of dots, and the spacing between the dots can be the same or substantially the same. For example, the spacing between the centers of the dots provided in each of the first adhesive portion 111 and the second adhesive portion 112 can be the same or substantially the same as each other. As described above, the first dots 111-1 and the second dots 112-1 can have different diameters, but the spacing between adjacent first dots 111-1 and the spacing between adjacent second dots 112-1 can be the same or substantially the same as each other. As used herein, the same or substantially the same spacing can mean that the center-to-center separation distance g1 of adjacent dots in the X and Y directions is the same or substantially the same as each other.

[0063] Figure 5 The figure shows an enlarged plan view of the spacing between first points 111-1 provided in the first adhesive portion 111 and the surface-to-surface spacing between second points 112-1 provided in the second adhesive portion 112, according to some embodiments of the present disclosure.

[0064] refer to Figure 5 The surface-to-surface spacing g2 of points adjacent to each other in the X and Y directions can be the same or substantially the same. However, as referenced above... Figure 4 The descriptions are different. Figure 5 The distance measurement standard in this context is the surface of a point, not its center. (Refer to the above.) Figure 4 In the described case, the adhesive area increases as the diameter of the point increases in the same region, thus the adhesive strength can be improved.

[0065] In some implementations, when the distance between surfaces is the same, the number of points arranged in the same area decreases as the diameter of the points increases. Adhesion may be lower than when the center-to-center distance of the points is the same.

[0066] The above reference Figure 4 and Figure 5The examples described may refer to the application of the same adhesive material (or, in other words, adhesive materials having the same adhesive strength per unit area). In some embodiments, when adhesive materials with different adhesive strengths are applied to the first adhesive portion 111 and the second adhesive portion 112, various ratios of spacing between adjacent points can be formed. Furthermore, the distance between the centers of the points in the first adhesive portion 111 and the distance between the centers of the points in the second adhesive portion 112 may be different from each other, or the distance between the surfaces of the points in the first adhesive portion 111 and the distance between the surfaces of the points in the second adhesive portion 112 may be different from each other. For example, the center-to-center distances of the points within the first adhesive portion 111 may be designed differently, or the center-to-center distances of the points within the second adhesive portion 112 may be designed differently. For example, the shape and material of the points or adhesive areas may be designed and modified in various ways as needed or desired to provide a desired adhesive strength for each of the first adhesive portion 111 and the second adhesive portion 112.

[0067] Figure 6 The figure shows a top plan view of the proportions of the clamping portion 120, the first adhesive portion 111, and the second adhesive portion 112 of a battery attachment strip 100 according to some embodiments of the present disclosure. Figure 7 The figure shows a top plan view of the proportions of the clamping portion 120, the first adhesive portion 111, and the second adhesive portion 112 of the battery attachment strip 100 according to other embodiments of the present disclosure.

[0068] refer to Figure 6 and Figure 7 In the battery attachment strip 100, the clamping portion 120 and the adhesive portion 110 may have different widths and forming areas in the first direction X and the second direction Y.

[0069] The width of the first adhesive portion 111 in the first direction X may be equal to or greater than the width of the clamping portion 120 in the first direction X. In some embodiments, the width l1 of the first adhesive portion 111 in the second direction Y may be equal to or greater than the width L1 of the clamping portion 120 in the second direction Y. By forming the width l1 of the first adhesive portion 111 based on the second direction Y to be greater than or equal to the width L1 of the clamping portion 120 based on the second direction Y, the battery attachment strip 100 can be more easily peeled off from the battery cell 10 in the first direction X.

[0070] In some embodiments, the total area of ​​the second adhesive portion 112 may be smaller than the total area of ​​the first adhesive portion 111. (See reference...) Figure 6The width l1 of the first adhesive portion 111 in the second direction Y can be formed to be greater than the sum of the widths l2 of the second adhesive portions 112 in the second direction Y. For example, the width l1 of the first adhesive portion 111 can be formed to be greater than the sum of the widths l2 of a pair of second adhesive portions 112 disposed on the opposite side of the first adhesive portion 111 (e.g., both sides in the Y direction).

[0071] In some embodiments, the second adhesive portion 112 may be positioned adjacent to the non-adhesive portion 101. For example... Figure 6 As shown in the example illustration, a non-adhesive portion 101 can be provided at each of the four corners of the adhesive portion 110, or as shown in the example illustration. Figure 7 As illustrated in the example shown in the figure, a non-adhesive portion may be provided at each of the two corners of the adhesive portion 110 adjacent to the clamping portion 120. In some embodiments, the location and number of the various non-adhesive portions 101 may be determined as needed or desired, or by choice of those skilled in the art.

[0072] For example, with Figure 6 Compared to the example shown in the diagram, in Figure 7 In the example illustrated, because only two non-adhesive portions 101 adjacent to the clamping portion 120 are provided, the area of ​​the second adhesive portion 112 can be relatively increased. When the second adhesive portion 112 has a stronger adhesive strength than the first adhesive portion 111, the second adhesive portion 112 can maintain or substantially maintain the adhesive strength at the edges, preventing the battery attachment strip 100 from peeling off from the battery cell 10 in the electronic device due to external factors such as dropping or twisting during user use of the electronic device.

[0073] In some embodiments, the non-adhesive portion 101 may include a boundary line 112a that divides the adhesive and non-adhesive regions at least obliquely to each other. For example, as Figure 6 and Figure 7 As shown, the shape of the non-adhesive portion 101 can be triangular or trapezoidal. The shape of the non-adhesive portion 101 can also be triangular (not shown in the figure). As an example, in the case where the non-adhesive portion 101 has a right-angled triangular shape, the right-angled portion of the non-adhesive region can be set as a corner facing the adhesive portion 110. However, the shape of the non-adhesive region can exist in various desired forms, including the boundary line 112a.

[0074] Boundary line 112a may have a suitable shape to correspond to the twisting that may occur around the X or Y direction when the battery attachment strip 100 is attached to the battery cell 10 via adhesive portion 110. For example, if the battery cell 10 is affected by twisting, some separation of adhesive portion 110 may occur, resulting in noise. For example, noise may be generated when repeated attachment / separation is performed between the battery attachment strip 100 and adhesive portion 110 and the battery cell 10. In some embodiments, the noise may be caused primarily by repeated adhesion and separation between the battery cell 10 and the battery attachment strip 100 due to adhesive forces remaining on the adhesive surface of the battery attachment strip 100. More specifically, because the location where such noise may occur may be a corner, boundary line 112a may be formed in the second adhesive portion 112 to provide a non-adhesive portion 101 in the adhesive portion 110 in which no adhesive strength is formed.

[0075] In some embodiments, the area of ​​the non-adhesive portion 101 may be 5% to 20% of the area of ​​the adhesive portion 100. For example, the non-adhesive portion 101 may occupy approximately 13% of the total area of ​​the adhesive portion 110. However, this disclosure is not limited thereto, and the non-adhesive portion 101 may have various suitable widths as long as the adhesive portion 100 can be attached to the battery cell 10.

[0076] For example, the non-adhesive portion 101 may be provided adjacent to a second adhesive portion 112, which is part of the adhesive portion 110. The adhesive strength of the second adhesive portion 112 may be formed to be relatively greater than that of the first adhesive portion 111, such that the first adhesive portion 111 with relatively low adhesive strength may be formed on the central region of the adhesive portion 110, and the second adhesive portion 112 with relatively high adhesive strength and the non-adhesive portion 101 may be formed on the opposite side (e.g., both sides) of the first adhesive portion 110 (e.g., in the Y direction).

[0077] In some embodiments, the second adhesive portion 112 may be formed on a portion of the periphery of the first adhesive portion 111. As an example, see [reference needed]. Figure 2 The second adhesive portion 112 can be formed into a trapezoidal shape that is longer in the X direction, and the non-adhesive portion 101 can be provided at its respective end. Therefore, in some embodiments, the second adhesive portion 112 can be provided on the opposite side of the first adhesive portion 111 (e.g., both sides in the Y direction), but as mentioned above, the second adhesive portion 112 can be applied differently depending on the number of non-adhesive portions 101.

[0078] In some embodiments, the battery attachment strip 100 may include a clamping portion 120, which is a portion of the battery attachment strip 100 extending from one side of the battery attachment strip 100 (e.g., the left side in the figure) toward the other side of the battery attachment strip 100 (e.g., the right side in the figure). Reference Figure 6 and Figure 7 The clamping portion 120 can extend from the adhesive portion 110 in the first direction X. At least a portion of the clamping portion 120 can have adhesive properties. In this case, at least a portion of the clamping portion 120 having adhesive force on the hexahedral battery cell 10 can be attached to at least one surface of the battery cell 10. The area to be attached can have the same or substantially the same adhesive strength as the first adhesive portion 111, and can have an adhesive strength at least weaker than the adhesive strength of the second adhesive portion 112.

[0079] The battery attachment strip 100 may further include a strong adhesive portion 116. The strong adhesive portion 116 may be included on the opposite side (e.g., the opposite side) of the adjacent clamping portion 120 of the adhesive portion 110, and the strong adhesive portion 116 may include a plurality of linear non-adhesive portions. The linear non-adhesive portions may suppress the formation of air bubbles in the strong adhesive portion 116. In some embodiments, a strong adhesive region may also be formed in at least a portion of the clamping portion 120. By providing a strong adhesive (e.g., the strong adhesive region of the clamping portion 120 and the strong adhesive portion 116 with linear non-adhesive portions) on both sides (e.g., opposite sides) of the adhesive portion 110 as described above, the adhesive force of the battery attachment strip 100 can be distributed more evenly.

[0080] Figure 8 The illustration shows a perspective view of a battery attachment strip 100 attached to a battery cell 10 according to some embodiments of the present disclosure. Figure 9 The illustration shows a perspective view of the battery attachment strip 100 being detached from the battery cell 10 according to some embodiments of the present disclosure.

[0081] refer to Figure 8 and Figure 9 The surface and area of ​​the adhesive portion 110 of the battery attachment strip 100 can correspond to the surface of the battery cell 10 to which the adhesive portion 110 is attached. The clamping portion 120, etc., in the battery attachment strip 100 is provided to extend from this side of the adhesive portion 110 and can be bent to contact the surface of the battery cell 10. Although the configuration of bending to contact the surface of the battery cell 10 is not shown, a configuration extending in the second direction Y may also be included.

[0082] Figure 8The clamping portion 120 in the diagram is illustrated in a position where it can be easily clamped and peeled by a user, and the clamping portion 120 can be pulled in the indicated peeling direction De. Figure 9 As shown, the clamping portion 120 is completely peeled off in the peeling direction De, so that the battery cell 10 and the battery attachment strip can be separated from each other.

[0083] Although this disclosure has been described above with respect to its embodiments, it is not limited thereto. Those skilled in the art will be able to make various modifications and variations thereto within the spirit of this disclosure and within the equivalents of the appended claims.

Claims

1. A battery attachment band, comprising: The adhesive portion includes the adhesive surface attached to the surface of the battery cell; as well as The clamping portion extends from one side of the adhesive portion. The adhesive portion includes: The first adhesive portion overlaps with the clamping portion in a first direction; and The second adhesive portion is on the opposite side of the first adhesive portion, and The adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.

2. The battery attachment strip according to claim 1, wherein, The first adhesive portion extends from one side of the first adhesive portion to the opposite side of the adhesive portion.

3. The battery attachment strip according to claim 1, wherein, The adhesive strength of the second adhesive portion is greater than the adhesive strength of the first adhesive portion.

4. The battery attachment strip according to claim 3, wherein, Each of the first adhesive portion and the second adhesive portion includes a plurality of points containing adhesive material, and The point of the second adhesive portion has a larger point diameter than the point of the first adhesive portion.

5. The battery attachment strip according to claim 4, wherein, The diameter of the point on the first adhesive portion is 1.2 mm, and the diameter of the point on the second adhesive portion is 1.5 mm.

6. The battery attachment strip according to claim 3, wherein, Each of the first adhesive portion and the second adhesive portion includes a plurality of points containing adhesive material, and Among these points, adjacent points are positioned such that their centers are equally spaced apart.

7. The battery attachment strip according to claim 1, wherein, The width of the first adhesive portion in the first direction is greater than or equal to the width of the clamping portion in the first direction.

8. The battery attachment strip according to claim 1, wherein, The total area of ​​the second adhesive portion is smaller than the total area of ​​the first adhesive portion.

9. The battery attachment strip according to any one of claims 1 to 8, further comprising: The non-adhesive portion has a non-adhesive region on at least one edge of the edge at the boundary region of the adhesive portion.

10. The battery attachment strip according to claim 9, wherein, The non-adhesive portion is adjacent to the second adhesive portion.

11. The battery attachment strip according to claim 1, further comprising: The strongly bonded portion is on the opposite side to the side of the bonded portion. The strongly bonded portion includes multiple linear non-bonded portions.

12. A battery with a battery attachment band attached, the battery comprising: Battery cell; as well as The battery attachment strip according to any one of claims 1 to 11.

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