Battery pack and method for manufacturing same

Abstract

A battery pack and a method of manufacturing the same are disclosed. A battery pack includes: a case; a battery cell accommodated in the case; and a protection circuit module connected to the battery cells, in which the protection circuit module includes: a substrate; at least one component mounting area on the substrate and including a plurality of components; and at least one coating region at least partially corresponding to the at least one component mounting region on the substrate and including at least one protruding portion supporting a coating solution within the at least one coating region, and at least a portion of the at least one protruding portion including the same material as that of the substrate and being mounted on the substrate.

Description

[0001] This application claims priority to and the benefit of Korean Patent Application No. 10-2023-0089089 filed in the Korean Intellectual Property Office on July 10, 2023, the disclosure of which is incorporated herein by reference in its entirety. Technical Field

[0002] One or more embodiments relate to a battery pack and a method of manufacturing the same. Background Art

[0003] Unlike non-rechargeable primary batteries, secondary batteries refer to batteries that are chargeable and dischargeable. Secondary batteries are used as energy sources for mobile devices, electric vehicles, hybrid vehicles, electric bicycles, uninterruptible power supplies, etc. Depending on the type of external device to which the secondary battery is applied, the secondary battery may be used in the form of a single battery or in the form of a group in which a plurality of batteries are connected to each other and bundled in one unit.

[0004] The above-mentioned background technology is technical information possessed by the inventor to obtain the present disclosure or obtained in the process of obtaining the present disclosure, and is not necessarily known technology disclosed to the public before submitting the present disclosure. Summary of the invention

[0005] One or more embodiments include a battery pack and a method of manufacturing the same, in which a coating solution is applied to a coating region of a protection circuit module at a constant height, thereby preventing contamination of the protection circuit module and managing the shape and height of the protection circuit module.

[0006] One or more embodiments include a battery pack and a method of manufacturing the same, in which a fixing frame for holding a coating solution is mounted on a substrate, thereby easily forming a shape and a height of the coating solution.

[0007] Additional aspects will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the presented embodiments of the disclosure.

[0008] According to one or more embodiments, a battery pack includes: a shell; a battery cell accommodated in the shell; and a protection circuit module connected to the battery cell, wherein the protection circuit module includes: a substrate; at least one component mounting area on the substrate and including a plurality of components; and at least one coating area on the substrate corresponding to at least a portion of the at least one component mounting area and including at least one protrusion supporting a coating solution within the at least one coating area, and wherein at least a portion of the at least one protrusion includes a material that is the same as that of the substrate and is mounted on the substrate.

[0009] The substrate may include at least one first mounting region corresponding to the at least one component mounting region and having a pad formed therein and at least one second mounting region corresponding to the at least one coating region and having a pad formed therein.

[0010] Each of the at least one coated region may include a single protruding portion, the single protruding portion comprising a single piece.

[0011] A single protruding portion may be provided on the outside of each of the at least one coated area and may have a closed contour.

[0012] An inner edge of the single protruding portion may be separated from an edge of each of the at least one coating region, and an outer edge of the single protruding portion may be separated from an edge of the substrate.

[0013] At least one of the protruding portions may have a constant height.

[0014] The height of the at least one protruding portion may gradually increase toward a central portion of the at least one protruding portion in a length direction thereof.

[0015] The at least one protruding portion may include a plurality of protruding portions provided for each of the at least one component mounting area, and the plurality of protruding portions may be separated from each other to form a plurality of gaps.

[0016] The plurality of protrusions may include two protrusions provided for each of the at least one component mounting area, and a corresponding one of the two protrusions is arranged on a corresponding one of a first side and a second side of the at least one component mounting area in a length direction of the substrate, and a gap between the two protrusions may face a width direction of the substrate.

[0017] Some of the plurality of protrusions may be provided to be separated from each other and correspond to long sides of the at least one component mounting area, and one of the plurality of protrusions may be provided to correspond to a short side of the at least one component mounting area.

[0018] The at least one component mounting region may include a plurality of component mounting regions disposed along a length direction of the substrate, and the at least one coating region may correspond to a component mounting region disposed in a central portion of the substrate in the length direction of the substrate among the plurality of component mounting regions.

[0019] According to one or more embodiments, a method for manufacturing a battery pack includes: forming at least one first mounting area and at least one second mounting area by forming a pad on a substrate; forming at least one component mounting area by mounting a plurality of components in at least one first mounting area; forming at least one coating area by mounting at least one protrusion in at least one second mounting area, and applying a coating solution to the at least one coating area.

[0020] The forming of the at least one first mounting region and the at least one second mounting region may include forming a pad on the substrate such that the at least one second mounting region surrounds the at least one first mounting region.

[0021] The forming of the at least one coating region may include installing a single protruding portion including a single piece in each of the at least one second mounting region.

[0022] The forming of the at least one coating region may include installing a plurality of protruding portions in each of the at least one second mounting region such that corresponding gaps are formed between corresponding protruding portions of the plurality of protruding portions.

[0023] According to some embodiments, a protection circuit module configured to be connected to a battery cell is provided, the protection circuit module comprising: a substrate; at least one component mounting area on the substrate and comprising a plurality of components; and at least one coating area on the substrate at least partially corresponding to the at least one component mounting area and comprising at least one protrusion supporting a coating solution within the at least one coating area, and wherein at least a portion of the at least one protrusion comprises a material identical to that of the substrate and is mounted on the substrate.

[0024] In some embodiments, the protection circuit module substrate includes: at least one first mounting area corresponding to at least one component mounting area and having a pad formed therein; and at least one second mounting area corresponding to at least one coating area and having a pad formed therein.

[0025] In some embodiments, each of the at least one coated region of the protection circuit module includes a single protruding portion, and the single protruding portion includes a single piece.

[0026] In some embodiments, a single protruding portion of the protection circuit module is provided on an outer side of each of the at least one coating region and has a closed contour.

[0027] In some embodiments, an inner edge of a single protruding portion of the protection circuit module is separated from an edge of each of the at least one coating region, and an outer edge of the single protruding portion is separated from an edge of the substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and other aspects, features and advantages of certain embodiments of the present disclosure will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:

[0029] Figure 1 shows a state in which a battery cell and a housing are coupled to each other;

[0030] Figure 2 Shows the assembled state of the battery cell and the housing;

[0031] Figure 3 Schematically showing a battery cell and a protection circuit module of a battery pack;

[0032] Figure 4 An enlarged view showing a portion of a protection circuit module;

[0033] Figure 5 Shown along Figure 4 A section taken along the line A-A';

[0034] Fig. 6A and Figure 6B Each shows along Figure 4 A section taken along the line BB';

[0035] Figure 7 An enlarged view showing a portion of a protection circuit module;

[0036] Figure 8 showing an enlarged view of a portion of a protection circuit module; and

[0037] Fig. 9 , Fig.10 , Fig.11 and Fig.12 A method of manufacturing a battery pack is shown. DETAILED DESCRIPTION

[0038] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings, wherein the same reference numerals refer to the same elements throughout. In this regard, the present embodiment may have different forms and should not be construed as being limited to the description set forth herein. Therefore, the embodiments are described below only by reference to the accompanying drawings to explain various aspects of this description. As used herein, the term "and / or" includes any and all combinations of one or more of the related enumerated items. Expressions such as "at least one of..." when before / after a list of elements modify the entire list of elements, not a single element in the list.

[0039] With reference to the detailed description of the embodiments and the accompanying drawings, it is easier to understand the various aspects of some embodiments of the present disclosure and their implementation methods. Hereinafter, the embodiments will be described in more detail with reference to the accompanying drawings. However, the described embodiments may have various modifications and may be embodied in different forms, and should not be construed as being limited to the embodiments illustrated herein. Further, each of the features of the various embodiments of the present disclosure may be combined or combined with each other in part or in its entirety, and various connections and drives are technically possible. Each embodiment may be implemented independently of each other or may be implemented together. The described embodiments are provided as examples so that the present disclosure will be thorough and complete, and will fully convey various aspects of the present disclosure to those skilled in the art, and it should be understood that the present disclosure covers all modifications, equivalents and substitutions within the scope of the ideas and techniques of the present disclosure. Therefore, processes, elements and techniques that are unnecessary for a person of ordinary skill in the art to fully understand various aspects of the present disclosure may not be described.

[0040] Unless otherwise specified, in all attached drawings and written descriptions, the same reference numerals, characters or combinations thereof denote the same elements, and thus description thereof will not be repeated. Further, parts that are not associated or relevant to the description of the embodiment may not be shown to make the description clear.

[0041] In the drawings, the relative sizes of elements, layers, and regions may be exaggerated for clarity. In addition, cross-hatching and / or shading are often provided in the accompanying drawings to clarify the boundaries between adjacent elements. As such, the presence or absence of cross-hatching or shading does not represent or indicate any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated elements, and / or any other characteristic, property, property, etc. of an element, unless otherwise indicated.

[0042] Various embodiments are described herein with reference to cross-sectional illustrations, which are schematic illustrations of embodiments and / or intermediate structures. As such, variations in the shapes of the illustrations due to, for example, manufacturing techniques and / or tolerances should be expected. Further, specific structural or functional descriptions disclosed herein are only illustrative for the purpose of describing embodiments according to the concepts of the present disclosure. Therefore, the embodiments disclosed herein should not be interpreted as being limited to the shapes of the illustrated regions, but rather include shape deviations due to, for example, manufacturing.

[0043] For example, an implanted region illustrated as a rectangle may have rounded or curved features and / or a gradient of implant concentration at its edges rather than a binary change from implanted to non-implanted region. Similarly, a buried region formed by implantation may result in some implantation in the region between the buried region and the surface through which the implantation occurs.

[0044] Therefore, the regions illustrated in the drawings are schematic in nature and their shapes are not intended to illustrate the actual shape of regions of the device and are not intended to be limiting. In addition, as will be appreciated by those skilled in the art, the described embodiments may be modified in various ways, all without departing from the spirit or scope of the present disclosure.

[0045] In the detailed description, for the purpose of explanation, numerous specific details are set forth to provide a thorough understanding of the various embodiments. However, it is apparent that the various exemplary embodiments can be practiced without these specific details or with one or more equivalent arrangements. In other cases, well-known structures and devices are shown in block diagram form to avoid unnecessarily obscuring the various embodiments.

[0046] For ease of explanation, spatial relative terms, such as "below", "below", "lower", "lower side", "below", "above", "upper side", etc., may be used in this article to describe the relationship between one element or feature and another element or feature as illustrated in the accompanying drawings. It will be understood that spatial relative terms are intended to encompass different orientations of the device in use or operation other than the orientation depicted in the accompanying drawings. For example, if the device in the figure is turned over, the elements or features described as "below", "below" or "below" other elements or features will be oriented to be "above" other elements or features. Therefore, the example terms "below" and "below" can encompass both above and below orientations. The device can be oriented in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relative descriptors used in this article should be interpreted accordingly. Similarly, when a first part is described as being arranged "on" a second part, this means that the first part is arranged on the upper or lower side of the second part, and is not limited to the upper side of the second part based on the direction of gravity.

[0047] Further, the phrase "in a plan view" means looking at an object portion from above, and the phrase "in a schematic cross-sectional view" means looking at a schematic cross-section obtained by vertically cutting an object portion from the side. The term "overlap" or "overlapped" means that the first object may be above or below or on the side of the second object, and vice versa. In addition, the term "overlap" may include layers, stacks, facing or facing, extending, covering or partially covering, or any other suitable term that a person of ordinary skill in the art can appreciate and understand. The expression "not overlap" may include meanings such as "away from" or "leaving" or "deviating" and any other suitable equivalents that a person of ordinary skill in the art can appreciate and understand. The terms "facing" and "facing" may mean that the first object may be directly or indirectly opposite to the second object. In the case where a third object is between the first object and the second object, the first object and the second object may be understood to be indirectly opposite to each other, although still facing each other.

[0048] It will be understood that when an element, layer, region, or component is referred to as being "formed on," "on," "connected to," or "(operably or communicatively) coupled to" another element, layer, region, or component, it may be directly formed on, on, connected to, or coupled to another element, layer, region, or component, or indirectly formed on, on, connected to, or coupled to another element, layer, region, or component, such that there may be one or more intervening elements, layers, regions, or components. Furthermore, this may be collectively referred to as direct or indirect coupling or connection, and integral or non-integral coupling or connection. For example, when a layer, region, or component is referred to as being "electrically connected" or "electrically coupled" to another layer, region, or component, it may be directly electrically connected or coupled to another layer, region, and / or component, or there may be intervening layers, regions, or components. However, "directly connected / directly coupled" or "directly on" refers to one component being directly connected or coupled to another component, or being on another component, without intermediate components. In addition, in this specification, when a part of a layer, film, region, plate, etc. is formed on another part, the formation direction is not limited to the upper direction, but includes forming the part on the side surface or in the lower direction. On the contrary, when a part of a layer, film, region, plate, etc. is formed "below" another part, this includes not only the case where the part is "directly" "below" another part, but also the case where there is a further another part between the part and the other part. At the same time, other expressions describing the relationship between components, such as "between", "immediately between" or "adjacent" and "directly adjacent", can also be interpreted similarly. In addition, it will also be understood that when an element or layer is referred to as being "between" two elements or layers, it can be the only element or layer between the two elements or layers, or one or more intermediate elements or layers may also be present.

[0049] For the purposes of this disclosure, expressions such as "at least one of..." or "any of...", when preceding / following a list of elements, modify the entire list of elements, without modifying the individual elements of the list. For example, "at least one of X, Y, and Z," and "at least one selected from the group consisting of X, Y, and Z" may be interpreted as any combination of only X, only Y, only Z, two or more of X, Y, and Z, such as, for example, XYZ, XYY, YZ, and ZZ, or any variation thereof. Similarly, expressions such as "at least one of A and B" may include A, B, or A and B. As used herein, "or" generally means "and / or," and the term "and / or" includes any and all combinations of one or more of the associated enumerated items. For example, expressions such as "A and / or B" may include A, B, or A and B. Similarly, expressions such as "at least one of...", "a plurality of," "one of...", and other prepositional phrases, when preceding / following a list of elements, modify the entire list of elements, without modifying the individual elements of the list.

[0050] It will be understood that although the terms "first", "second", "third", etc. can be used to describe various elements, components, areas, layers and / or sections in this article, these elements, components, areas, layers and / or sections should not be limited by these terms. These terms are used to distinguish one element, component, area, layer or section from another element, component, area, layer or section. Therefore, the first element, component, area, layer or section described below may be referred to as the second element, component, area, layer or section without departing from the spirit and scope of the present disclosure. Describing an element as a "first" element may not require or imply the presence of a second element or other elements. The terms "first", "second", etc. may also be used herein to distinguish different categories or groups of elements. For the sake of brevity, the terms "first", "second", etc. may respectively represent "first category (or first group)", "second category (or second group)", etc.

[0051] The terms used in this article are only used for the purpose of describing specific embodiments and are not intended to limit the present disclosure. As used in this article, the singular forms "a" and "an" are intended to include the plural forms, and the plural forms are also intended to include the singular forms, unless the context clearly indicates otherwise. It will be further understood that the terms "comprising", "having", "including", when used in this specification, indicate the presence of narrated features, integers, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts and / or groups thereof.

[0052] When one or more embodiments may be implemented differently, a specific process order may be performed in a different order than described. For example, two consecutively described processes may be performed substantially simultaneously or in a reverse order to the described order.

[0053] As used herein, the terms "substantially," "about," "approximately," and similar terms are used as terms of approximation rather than terms of degree, and are intended to account for the inherent deviations in measured or calculated values ​​that would be recognized by one of ordinary skill in the art. As used herein, "about" or "approximately" includes the stated value and means within the range of acceptable deviations as determined by one of ordinary skill in the art for a particular value, taking into account the measurement in question and the errors associated with the measurement of the particular quantity (i.e., the limitations of the measurement system). For example, the term "about" may mean within one or more standard deviations of the stated value, or within, for example, ±30%, ±20%, ±10%, ±5% of the stated value. Further, when describing embodiments of the present disclosure, the use of "may" refers to "one or more embodiments of the present disclosure."

[0054] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present disclosure belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology and / or this specification, and should not be interpreted in an idealized or overly formal sense, unless explicitly so defined herein.

[0055] The increase in computing performance of processors included in electronic devices and the increase in output of electric vehicles naturally lead to an increase in the capacity of secondary batteries. The design of secondary batteries needs to take into account user convenience and ensure the required output within a limited space. Therefore, the overcharge blocking voltage of secondary batteries has gradually increased, and the over-discharge blocking voltage thereof has gradually decreased, thereby expanding the available area of ​​battery packs to which secondary batteries are applied.

[0056] For this reason, the battery pack includes a protection circuit module to prevent overcharge, overdischarge, overcurrent, short circuit, etc. of the battery cells during use. The protection circuit module performs an overcharge protection function to prevent the battery cells from being overcharged beyond the protection voltage so that the battery does not expand and explode due to the gas and heat generated by the battery cells; performs an overdischarge protection function to prevent the battery cells from being discharged below the appropriate voltage and causing damage to the battery cells; performs an overcurrent blocking function to prevent the battery cells or the protection circuit module from being damaged due to external device failure, unexpected overcurrent, etc.; and performs a short circuit protection function to prevent the battery cells or the protection circuit module from being damaged due to a short circuit in an external load.

[0057] The protection circuit module includes various components mounted on a substrate. In the protection circuit module, a coating solution is applied to the components to insulate the components from each other and protect the components from being damaged due to impacts, etc., that occur during use. However, if the coating solution is directly applied to the components without a separate guide, the coating solution may overflow not only into the coating area in which the components are arranged, but also into adjacent areas. For example, the coating solution may contaminate the substrate tabs that connect the protection circuit module to the battery cell, and therefore, it is impossible to weld the protection circuit module and the battery cell to each other. For example, because there is no guide to keep the shape and height of the coating solution constant, it may be difficult to form the protection circuit module to a desired height and shape.

[0058] Recently, there is a demand to thin the substrate of the protection circuit module to reduce the size of the battery pack. However, as the thickness of the substrate decreases, even a small impact may easily damage the substrate.

[0059] Figure 1 shows a state in which the battery cell 110 and the housing 120 are coupled to each other, Figure 2 1 shows the assembled state of the battery cell 110 and the housing 120. Figure 3 The battery cell 110 and the protection circuit module 130 of the battery pack 10 are schematically shown. Figure 4 An enlarged view showing a portion of the protection circuit module 130, Figure 5 Shown along Figure 4 The cross section is taken along the line A-A', and Fig. 6A and Figure 6B Each shows along Figure 4 The cross section is taken along the line BB'.

[0060] The battery pack 10 according to an embodiment of the present disclosure may be a pouch-type secondary battery and may be used in devices such as a desktop personal computer (PC), a tablet personal computer, a smart phone, a laptop personal computer, etc. In some embodiments, the battery pack 10 may be a can-type or cylindrical secondary battery and may be used in devices such as a tablet personal computer, a smart phone, a vehicle battery, etc. Hereinafter, for convenience of description, a case in which the battery pack 10 is a pouch type is described.

[0061] The battery pack 10 may include a case 120 , a battery cell 110 accommodated in the case 120 , and a protection circuit module 130 connected to the battery cell 110 .

[0062] For example, the battery pack 10 may include a housing 120, a battery cell 110 accommodated in the housing 120, and a protection circuit module 130 connected to the battery cell 110, wherein the protection circuit module 130 may include a substrate 131, at least one component mounting area 134 on the substrate 131 and including a plurality of components 1341, and at least one coating area 133 on the substrate 131 corresponding to the at least one component mounting area 134 and including at least one protruding portion 1331 supporting a coating solution C therein, and at least a portion of the at least one protruding portion 1331 may include a material identical to that of the substrate 131 and may be mounted on the substrate 131.

[0063] The battery cell 110 may be manufactured in the form of a core by winding a separator 113 between a first electrode plate 111 and a second electrode plate 112. In some embodiments, the battery cell 110 may be manufactured in the form of a stack by stacking a separator 113 between a plurality of first electrode plates 111 and a plurality of second electrode plates 112. In some embodiments, the battery cell 110 may be manufactured in both the form of a core and a stack.

[0064] The first electrode plate 111 may include a first active material coating portion formed by intermittently coating a first active material (a conductive material in the form of a sheet) onto the first substrate, and a first uncoated portion in which the first substrate is exposed because the first active material is not coated thereon. For example, the first electrode plate 111 may be a negative electrode plate, and the first active material may be a negative electrode active material including a carbon material such as crystalline carbon, amorphous carbon, a carbon composite, carbon fiber, lithium metal, or a lithium alloy.

[0065] The second electrode plate 112 may have a polarity different from that of the first electrode plate 111, and may include a second active material coating portion formed by intermittently coating a second active material (a conductive material in the form of a sheet) onto the second substrate, and a second uncoated portion in which the second substrate is exposed because the second active material is not coated thereon. For example, the second electrode plate 112 may be a positive electrode plate, and the second active material may include a conductive material such as LiCoO2, LiNiO2, LiMnO2, LiMn2O4, LiNi 1-x-y Co x M y Positive electrode active materials containing lithium, such as O2 (where M is a metal), LiFePO4 (LFP), etc.

[0066] The separator 113 may be between the first electrode plate 111 and the second electrode plate 112. The separator 113 may insulate the first electrode plate 111 from the second electrode plate 112, and may exchange lithium ions between the first electrode plate 111 and the second electrode plate 112. The separator 113 may have a sufficient length to completely insulate the first electrode plate 111 from the second electrode plate 112 even if the battery cell 110 contracts or expands during charging / discharging of the battery pack 10.

[0067] At least one electrode tab 114 may be on a first side of the battery cell 110. For example, two electrode tabs 114 may correspond to the first electrode plate 111 and the second electrode plate 112, respectively, and may be on the first electrode plate 111 and the second electrode plate 112, respectively, to protrude to the first side of the battery cell 110. The electrode tab 114 may be electrically connected to a first side of a first uncoated portion of the first electrode plate 111, and may extend toward the outside of the battery cell 110. In some embodiments, the electrode tab 114 may be electrically connected to a first side of a second uncoated portion of the second electrode plate 112, and may extend toward the outside of the battery cell 110.

[0068] The membrane portion 115 may be disposed on the electrode tab 114. The membrane portion 115 may be disposed on one surface of the electrode tab 114 or may surround the electrode tab 114. The membrane portion 115 may seal the electrode tab 114 exposed to the outside of the battery cell 110. For example, in order to prevent a short circuit from occurring due to contact of the electrode tab 114 with the metal layer exposed at the end of the sealing portion 124 of the housing 120, the membrane portion 115 may be thermally fused with the sealing portion 124 so that the electrode tab 114 and the sealing portion 124 may be tightly coupled to each other.

[0069] The housing 120 may form the exterior of the battery pack 10 and may house the battery cell 110 therein. The shape and size of the housing 120 are not limited, and the housing 120 may have a shape and size corresponding to the shape and size of the battery cell 110. For example, Figure 1 As shown in FIG. 1 , the housing 120 may have a hollow cubic shape. In some embodiments, the housing 120 may have another polyhedral shape or a cylindrical shape.

[0070] The case 120 may include a cover 121 , a lower case 122 , an inner space 123 , and a sealing portion 124 .

[0071] The lower case 122 may include an inner space 123 having a size larger than that of the battery cell 110, and the battery cell 110 may be inserted into the inner space 123. The cover 121 may be openable and closable on the upper surface of the lower case 122 so that the cover 121 may cover the battery cell 110 in a state where the battery cell 110 is inserted into the inner space 123.

[0072] The sealing portion 124 may be provided along the upper edge of the lower housing 122. Figure 2 , in a state where the battery cell 110 is accommodated in the case 120, a portion of the electrode tab 114 may be exposed to the outside of the case 120. The film portion 115 on the electrode tab 114 may be located between the cover 121 and the lower case 122 at a position corresponding to the sealing portion 124. As such, the battery cell 110 accommodated in the case 120 may be formed.

[0073] The protection circuit module 130 may include circuits and various components for preventing overcharge, overdischarge, overcurrent, and short circuit of the battery cell 110. Figure 3 As shown in FIG. 1 , the protection circuit module 130 may be provided outside the case 120 and may be configured to be connected to the electrode tabs 114. The protection circuit module 130 may have a plate shape to support two electrode tabs 114.

[0074] The protection circuit module 130 may include: a substrate 131; at least one component mounting area 134, which is on the substrate 131 and includes a plurality of components 1341; and at least one coating area 133, which is on the substrate 131 to correspond to the at least one component mounting area 134, and includes at least one protrusion 1331 that supports the coating solution C in the coating area, and at least a portion of the at least one protrusion 1331 may include the same material as that of the substrate 131 and may be mounted on the substrate 131.

[0075] like Figure 3 As shown in the figure, the substrate 131 can support other components of the protection circuit module 130, may include various circuits and components for controlling the battery cell 110, and may be connected to an external control module, etc. in a wired / wireless manner. The substrate 131 may be a printed circuit board (PCB) substrate, such as a flexible PCB (FPCB) substrate. The substrate 131 may include at least one of FR-1, FR-4, CEM-1, CEM-3, Teflon, ceramic and / or metal. The thickness of the substrate 131 may be less than 2 mm. For example, the thickness of the substrate 131 may be less than 1 mm. For example, the substrate 131 may be a thin substrate having a thickness of less than 0.7 mm.

[0076] The substrate 131 may include at least one first mounting area S1 (see Fig. 9 ) and at least one second mounting area S2 (see Fig. 9 ). At least one first mounting region S1 may correspond to at least one component mounting region 134 and may have a pad formed therein. At least one second mounting region S2 may correspond to at least one coating region 133 and may have a pad formed therein.

[0077] The at least one substrate tab 132 may be the same number as the number of the electrode tabs 114 (eg, Figure 3 In the illustrated embodiment, there are two) on the substrate 131 and can be connected to the electrode tabs 114 of the battery cell 110. Figure 3 , the two substrate tabs 132 may be separated from each other on the upper surface of the substrate 131. The battery cell 110 and the protection circuit module 130 may be coupled to each other by welding the substrate tab 132 and the electrode tab 114 to each other (e.g., by laser welding) in a state where the substrate tab 132 and the electrode tab 114 are in contact with each other.

[0078] The substrate tab 132 may be provided between the plurality of component mounting regions 134 adjacent to each other. For example, the substrate tab 132 may include a metal material such as nickel.

[0079] At least one coating region 133 may be a region for coating components and circuits of the protection circuit module 130, and may correspond to at least one component mounting region 134. The coating region 133 may include a coating solution C, a film, etc., so that the circuits and components provided in the component mounting region 134 are insulated from each other and the circuits and components are protected from external impacts. Hereinafter, for the convenience of description, the case where the coating region 133 is coated with the coating solution C is mainly described. The type of the coating solution C is not limited, as long as the coating solution C can insulate the circuits and components from each other and protect the circuits and components from external impacts. The coating solution C may be a high viscosity material and may be an ultraviolet (UV) coating solution. In some embodiments, the coating solution C may increase the strength of the component mounting region 134.

[0080] The coating area 133 may be inside the edge of the substrate 131. Figure 4 , the coating region 133 may be provided on the inner side of the substrate 131 in the length direction (X-axis direction) of the substrate 131 and the width direction (Y-axis direction) of the substrate 131. In some embodiments, the coating region 133 may be a region defined on the inner side of the protruding portion 1331.

[0081] like Figure 4 , the coating region 133 may include a component mounting region 134. The coating region 133 may have an area equal to or larger than that of the component mounting region 134, and the component mounting region 134 may be inside the coating region 133. The inner edge of the coating region 133 may be separated from the outer edge of the component mounting region 134 by a certain gap.

[0082] In some embodiments, at least a portion of the coating region 133 may have a height different from that of the upper surface of the substrate 131. For example, at least a portion of the coating region 133 may form a step with the upper surface of the substrate 131, and the coating solution C may remain within the coating region 133. For example, the coating solution C may not flow into other regions of the substrate 131 or the substrate tab 132.

[0083] Each of the at least one coating region 133 may include at least one protrusion 1331 .

[0084] The protruding portion 1331 may be outside the component mounting area 134 and may surround the component mounting area 134. Figure 4 and Figure 5 As shown in FIG. 1 , the protruding portion 1331 may form a boundary of the coating region 133 along the edge of the coating region 133. The protruding portion 1331 may have a certain width on the upper surface of the substrate 131. In some embodiments, the protruding portion 1331 may protrude from the upper surface of the substrate 131 by a height h, and the height h may be appropriately selected in consideration of the amount of the coating solution C and the area of ​​the component mounting region 134. For example, the height h may be about 0.1 mm to about 1 mm, about 0.2 mm to about 0.8 mm, or about 0.3 mm to about 0.7 mm. The height h may be 0.6 mm.

[0085] The protruding portion 1331 may be mounted on the substrate 131. The protruding portion 1331 may be mounted on the substrate 131 like a component by using a component mounting device. Therefore, when components are mounted on the substrate 131 to form the protection circuit module 130, the protruding portion 1331 may also be mounted on the substrate 131, so that the coating area 133 may be easily formed. For this purpose, a pad may be pre-formed in an area of ​​the substrate 131 where the protruding portion 1331 is to be mounted, and the protruding portion 1331 may be mounted on the pad.

[0086] At least a portion of the protrusion 1331 may include the same material as that of the substrate 131. The protrusion 1331 may include the same material as that of the substrate 131, and may include at least one of FR-1, FR-4, CEM-1, CEM-3, Teflon, ceramic, and / or metal. If the protrusion 1331 includes the same material as that of the substrate 131, the mounting quality of the protrusion 1331 may be improved.

[0087] The protruding portions 1331 may be arranged continuously without interruption. Each of the at least one protruding portion 1331 may include a single piece and may form a closed outline in a plan view. Therefore, the coating region 133 may extend continuously without interruption, so that even if the coating solution C flows into the coating region 133, the coating solution C may not flow out of the coating region 133. Figure 4As shown in FIG. 1 , the protrusion 1331 may have a rectangular shape. The component mounting device or the like may mount one protrusion 1331 at a position corresponding to one component mounting area 134 .

[0088] The protrusion 1331 may be provided at the outer side of the coating region 133. The inner edge of the protrusion 1331 may be separated from the outer edge of the coating region 133, and the outer edge of the protrusion 1331 may be spaced apart from the edge of the substrate 131.

[0089] The outer edge of the protruding portion 1331 may be separated from the edge of the substrate 131 by a gap c3 inwardly in the width direction of the substrate 131, for example, Figure 4 . When the protrusion 1331 is mounted on the substrate 131, by preventing a portion of the protrusion 1331 from deviating to the outside of the substrate 131 due to inevitable engineering errors, the protrusion 1331 can be prevented from interfering with the battery pack 10 and other external devices. The gap c3 may be about 0.2 mm to about 0.8 mm. For example, the gap c3 may be about 0.3 mm to about 0.5 mm.

[0090] The overall shape and size of the protruding portion 1331 are not limited and may be appropriately selected according to the shape and size of the component mounting area 134. Figure 4 , if the component mounting area 134 has a rectangular shape, the protruding portion 1331 may similarly include a pair of long sides and a pair of short sides to form a rectangle. For example, the pair of long sides may extend in the length direction of the substrate 131, and the pair of short sides may extend in the width direction of the substrate 131 intersecting the length direction of the substrate 131.

[0091] The protrusion 1331 may have a constant height. Fig. 6A As shown in FIG. 1 , at least one protrusion 1331 may always have a constant height h. Fig. 6A Only a cross section of a portion corresponding to a long side of one of the at least one protruding portion 1331 is shown, but the at least one protruding portion 1331 may have the same height h throughout the at least one protruding portion 1331 .

[0092] In other embodiments, the height of at least one protrusion 1331 may vary. Figure 6B, the height of the protruding portion 1331 may gradually increase toward the central portion of the protruding portion 1331. Both ends of the protruding portion 1331 may have a height h1, and the central portion of the protruding portion 1331 may have a height h2 greater than the height h1. h1 may be about 60% to about 90% or about 70% to about 80% of h2. If the central portion of the protruding portion 1331 is formed to have a greater height, the coating solution C having a high viscosity may be concentrated in the central portion and prevented from flowing out of the protruding portion 1331 and flowing into other areas of the substrate 131. The height h2 of the central portion of the protruding portion 1331 may be equal to the maximum height of the protruding portion 1331. A pair of long sides and a pair of short sides of the protruding portion 1331 may each have a shape in which the height is h2 at the central portion of the side and decreases toward both ends of the side in its length direction.

[0093] The edge of the coating area 133 may be separated from the edge of the component mounting area 134. Figure 4 , the coating region 133 may have an area larger than that of the component mounting region 134, and the component mounting region 134 may be provided on the inner side of the coating region 133. In some embodiments, the inner edge of the coating region 133 may be separated from the outer edge of the component mounting region 134. For example, the coating region 133 may have a gap c1 with the component mounting region 134 in the length direction (X-axis direction) of the substrate 131, and may have a gap c2 with the component mounting region 134 in the width direction (Y-axis direction) of the substrate 131. The gap c1 and the gap c2 may be equal to each other, or any one of the gap c1 and the gap c2 may be larger than the other. The coating region 133 may have an area larger than that of the component mounting region 134, and a gap may be formed between the coating region 133 and the component mounting region 134. The gap may act as a buffer region to allow the coating solution C to be stably applied to the component mounting region 134.

[0094] In the component mounting area 134, various circuits of the protection circuit module 130 may be formed, and a plurality of components 1341 may be mounted. Figure 3 As shown in FIG. 1 , a plurality of component mounting areas 134 may be on the upper surface of the substrate 131, and each component mounting area 134 may be provided between corresponding substrate connecting pieces 132 adjacent to each other among the plurality of substrate connecting pieces 132. In other embodiments, some circuits and components of the protection circuit module 130 may be provided outside the component mounting area 134.

[0095] The component mounting area 134 may be an area extending along the edge of the plurality of components 1341. For example, the edge of the plurality of components 1341 may be based on the outermost components 1341 in the length direction and the width direction of the substrate 131. Figure 4As shown in FIG. 1 , the shape of the component mounting area 134 may be a rectangle having long sides in the length direction of the substrate 131 .

[0096] The protection circuit module 130 may include a plurality of component mounting areas 134 in the length direction of the substrate 131, and at least one coating area 133 may correspond to the component mounting area 134 in the central portion of the substrate 131 in the length direction of the substrate 131. For example, among the plurality of component mounting areas 134, one coating area 133 may be provided in the component mounting area 134 in the central portion of the substrate 131 in the length direction of the substrate 131. If an external force is applied to the substrate 131, the central portion of the substrate 131 may be fragile. Therefore, by arranging the coating area 133 in the component mounting area 134 in the central portion, the rigidity of the protection circuit module 130 may be increased.

[0097] In the protection circuit module 130, by forming the protrusion 1331 around the component mounting area 134 to define the coating area 133, the coating solution C applied to the coating area 133 can be prevented from being applied to other areas of the substrate 131. In some embodiments, the height and shape of the coating solution C can be uniformly managed. In some embodiments, by mounting the protrusion 1331 forming the coating area 133 on the substrate 131 like a component, the coating area 133 can be easily formed. In some embodiments, the coating solution C applied to the coating area 133 can increase the strength of the component mounting area 134, thereby improving the durability of the protection circuit module 130.

[0098] Figure 7 An enlarged view of a portion of the protection circuit module 130A is shown.

[0099] Compared with the protection circuit module 130 according to the above-described embodiment, the protection circuit module 130A according to the present embodiment may have a different configuration with respect to the protruding portion 1331A. Hereinafter, for convenience of description, the protruding portion 1331A is mainly described, and other components of the protection circuit module 130A may be the same as other components of the protection circuit module 130.

[0100] refer to Figure 7 , the protection circuit module 130A may include a substrate 131A, a coating area 133A, and a component mounting area 134A. Although not shown in the figure, the protection circuit module 130A may include two substrate tabs on the substrate 131A, like the protection circuit module 130. In some embodiments, a plurality of components 1341A may be mounted in the component mounting area 134A.

[0101] The coating area 133A may include a plurality of protruding portions 1331A. For example, the protruding portion 1331A may be divided into a plurality of pieces. Figure 7As shown in FIG. 1 , a plurality of protrusions 1331A may be provided outside the component mounting area 134A to define the coating area 133A, and each protrusion 1331A may have a strip shape. A plurality of protrusions 1331A may be provided for each of at least one component mounting area 134A, and may be separated from each other to form a plurality of gaps G.

[0102] The protrusions 1331A may not be connected to each other and may be separated from each other by a gap G. The gap G may refer to the distance between the central portions of adjacent protrusions 1331A in the width direction thereof. Even if there is a gap G between the protrusions 1331A, the coating solution C will not leak through the gap G because the viscosity of the coating solution C is sufficiently high. The length of the gap G may be about 1 to about 1.5 times the width of the protrusion 1331A. In other embodiments, the length of the gap G may be less than the width of the protrusion 1331A. The plurality of protrusions 1331A that have been segmented may be mounted separately on the substrate 131A.

[0103] Some of the plurality of protrusions 1331A may be provided at positions corresponding to the long sides of the coating area 133A, and one of the plurality of protrusions 1331A may be provided at a position corresponding to the short side of the coating area 133A. Figure 7 As shown in FIG. 1 , two protrusions 1331A may be separated from each other by a gap G at a position corresponding to the long side of the coating area 133A, and one protrusion 1331A may be separated from an adjacent protrusion 1331A by a gap G at a position corresponding to the short side of the coating area 133A.

[0104] Each of the plurality of protruding portions 1331A may have a shape in which a central portion of the protruding portion 1331A has a height greater than heights of both ends thereof in a length direction thereof.

[0105] The distance between the inner side of the short side of the protrusion 1331A and the component mounting area 134A may be c1, the distance between the inner side of the long side of the protrusion 1331A and the component mounting area 134A may be c2, and the distance between the outer side of the long side of the protrusion 1331A and the edge of the substrate 131A may be c3, where the values ​​of c1 to c3 may be the same as the values ​​of c1 to c3 of the protection circuit module 130 according to the above-mentioned embodiment.

[0106] In the protection circuit module 130A, the protruding portion 1331A may be divided into a plurality of pieces rather than a single piece, so that a component mounting device, etc. may stably mount the protruding portion 1331A at a precise position. In some embodiments, the plurality of protruding portions 1331A may be separated from each other by a gap G, so that the protruding portions 1331A may not interfere with each other during installation.

[0107] Figure 8 An enlarged view of a portion of the protection circuit module 130B is shown.

[0108] Compared with the protection circuit module 130 according to the above embodiment, the protection circuit module 130B according to the present embodiment may have a different configuration with respect to the protruding portion 1331B. Hereinafter, for the convenience of description, the protruding portion 1331B is mainly described, and the other components of the protection circuit module 130B may be the same as those of the protection circuit module 130.

[0109] refer to Figure 8 , the protection circuit module 130B may include a substrate 131B, a coating area 133B, and a component mounting area 134B. Although not shown in the figure, the protection circuit module 130B may include two substrate tabs on the substrate 131B, like the protection circuit module 130. In some embodiments, a plurality of components 1341B may be mounted in the component mounting area 134B.

[0110] The coating area 133B may include two protruding portions 1331B. For example, the protruding portion 1331B may be divided into two pieces. Figure 8 As shown in FIG. 1 , two protruding portions 1331B may be respectively on the first side and the second side of the component mounting area 134B to define the coating area 133B. Two protruding portions 1331B may be provided for each of at least one component mounting area 134B, and may be respectively on the first side and the second side of the component mounting area 134B in the length direction of the substrate 131B. The two protruding portions 1331B may each have a C-shape or a horizontally inverted C-shape to surround a portion of the component mounting area 134B. The two protruding portions 1331B may be separated from each other in the length direction of the substrate 131B to form a gap G, and the gap G may face the width direction (Y-axis direction) of the substrate 131B.

[0111] The two protrusions 1331B may not be connected to each other and may be separated from each other by a gap G. The gap G may refer to the distance between the ends of the protrusion 1331B. Even if there is a gap G between the protrusions 1331B, the coating solution C will not leak through the gap G because the viscosity of the coating solution C is high enough. The gap G may have a length of about 1 to about 1.5 times the width of the protrusion 1331B (e.g., along the X-axis direction). In other embodiments, the length of the gap G may be less than the width of the protrusion 1331B. The two protrusions 1331B may be mounted separately on the substrate 131B.

[0112] The two protruding portions 1331B may be respectively on the left and right sides of the coating area 133B, and a gap G between the two protruding portions 1331B may be formed at positions corresponding to the upper and lower portions of the coating area 133B. For example, the gap G may face the width direction of the substrate 131B. Therefore, even if some of the coating solution C leaks through the gap G, other components or circuits of the substrate 131B will not be contaminated.

[0113] The distance between the inner side of the short side of the protrusion 1331B and the component mounting area 134B may be c1, the distance between the inner side of the long side of the protrusion 1331B and the component mounting area 134B may be c2, and the distance between the outer side of the long side of the protrusion 1331B and the edge of the substrate 131B may be c3, where the values ​​of c1 to c3 may be the same as the values ​​of c1 to c3 of the protection circuit module 130 according to the above-mentioned embodiment.

[0114] The protection circuit module 130B may include two protruding portions 1331B separated from each other. Therefore, the protruding portion 1331B may be divided into a plurality of pieces instead of a single piece, so that a component mounting device or the like can stably mount the protruding portion 1331B at a precise position. In some embodiments, the two protruding portions 1331B may be separated from each other by a gap G, so that the protruding portions 1331B may not interfere with each other during installation. In some embodiments, the gap G between the two protruding portions 1331B may reduce or prevent contamination caused by inevitable leakage of the coating solution C in the width direction of the substrate 131B.

[0115] Figures 9 to 12 The method of manufacturing the protection circuit module 130 is shown. Although the protection circuit module 130 is mainly described Figures 9 to 12 The protection circuit modules 130A and 130B according to the other embodiments described above may also be manufactured in the same or similar manner.

[0116] The method of manufacturing the protection circuit module 130 may include: forming at least one first mounting area S1 and at least one second mounting area S2 by forming a pad on the substrate 131, forming at least one component mounting area 134 by installing a plurality of components 1341 in the at least one first mounting area S1, forming at least one coating area 133 by installing at least one protrusion 1331 in the at least one second mounting area S2, and applying a coating solution C to the at least one coating area 133.

[0117] First, if Fig. 9As shown in FIG. 1 , a pad may be formed on the substrate 131 to form at least one first mounting area S1 and at least one second mounting area S2. At least one first mounting area S1 may be formed on the substrate 131 to have a shape and size corresponding to that of the component mounting area 134, or to have a size larger than that of the component mounting area 134. In some embodiments, at least one second mounting area S2 may be formed on the substrate 131 to have a shape and size corresponding to that of the protruding portion 1331 defining the coating area 133, or to have a size (width) larger than that of the protruding portion 1331.

[0118] The formation of at least one first mounting area S1 and at least one second mounting area S2 may include forming a pad on the substrate 131 so that the at least one second mounting area S2 may surround the at least one first mounting area S1. In some embodiments, the inner edge of the second mounting area S2 may be formed to be separated from the outer edge of the first mounting area S1.

[0119] Then, if Fig.10 , the component 1341 may be mounted in the first mounting area S1. The method of mounting the component 1341 may be a known component mounting method using a component mounting device or the like. The component 1341 may be mounted by supporting the component 1341 using suction or a mechanical method, moving the component 1341 to the first mounting area S1 where the pad is formed, and then placing the component 1341 downward. The component mounting area 134 may be formed along the outer edge of the mounted component 1341.

[0120] Then, if Fig.11 , the protrusion 1331 may be installed in the second mounting area S2 to form the coating area 133. The method of installing the protrusion 1331 may be performed in the same manner as the method of installing the component 1341. In some embodiments, the protrusion 1331 may include a single piece, and the component mounting device may support one protrusion 1331 and install one protrusion 1331 in one second mounting area S2. The coating area 133 may be formed along the inner edge of the mounted protrusion 1331. The distance between the inner side of the short side of the protrusion 1331 and the component mounting area 134 may be c1, the distance between the inner side of the long side of the protrusion 1331 and the component mounting area 134 may be c2, and the distance between the outer side of the long side of the protrusion 1331 and the edge of the substrate 131 may be c3.

[0121] The formation of at least one coating region 133 may include installing one protrusion 1331 including a single piece in each of at least one second mounting region S2. In other embodiments, a plurality of protrusions 1331A, 1331B may be installed in each of at least one second mounting region S2, thereby forming a gap therebetween.

[0122] Then, if Fig.12 , the coating solution C may be applied to the coating region 133. The applied coating solution C may not overflow to the outside of the coating region 133, and may be held inside the coating region 133 by the protrusion 1331. The maximum height of the coating solution C may be the same as the maximum height of the protrusion 1331, or may be greater than the maximum height of the protrusion 1331 due to the viscosity of the coating solution C.

[0123] In a battery pack and a method of manufacturing the same, according to an embodiment of the present disclosure, a coating solution applied to a component mounting region of a protection circuit module may be formed into a desired height and shape.

[0124] In a battery pack and a method of manufacturing the same, according to an embodiment of the present disclosure, by preventing a coating solution from flowing into an area other than a component mounting area of ​​a substrate, other areas of the substrate may be prevented from being contaminated.

[0125] In a battery pack and a method of manufacturing the same, according to an embodiment of the present disclosure, by preventing tabs connecting a battery cell and a protection circuit module to each other from being contaminated by a coating solution, the battery cell and the protection circuit module may be properly coupled to each other without contamination.

[0126] In a battery pack and a method of manufacturing the same, according to an embodiment of the present disclosure, by forming a coating region by a fixing frame disposed around a component mounting region to include the component mounting region, a height and a shape of a coating solution may be managed.

[0127] In a battery pack and a method of manufacturing the same, according to an embodiment of the present disclosure, a fixing frame may be simply and easily mounted on a substrate.

[0128] According to some embodiments, a protection circuit module configured to be connected to a battery cell is provided, the protection circuit module comprising: a substrate; at least one component mounting area on the substrate and comprising a plurality of components; and at least one coating area on the substrate and at least partially corresponding to the at least one component mounting area and comprising at least one protrusion supporting a coating solution within the at least one coating area, and at least a portion of the at least one protrusion comprising a material identical to that of the substrate and mounted on the substrate.

[0129] In some embodiments, the protection circuit module substrate includes: at least one first mounting area corresponding to the at least one component mounting area and having a pad formed therein; and at least one second mounting area corresponding to the at least one coating area and having a pad formed therein.

[0130] In some embodiments, each of the at least one coated region of the protection circuit module includes a single protruding portion, and the single protruding portion includes a single piece.

[0131] In some embodiments, the single protruding portion of the protection circuit module is provided outside each of the at least one coating region and has a closed contour.

[0132] In some embodiments, an inner edge of the single protruding portion of the protection circuit module is separated from an edge of each of the at least one coating region, and an outer edge of the single protruding portion is separated from an edge of the substrate.

[0133] It should be understood that the embodiments described herein should be considered in a descriptive sense only and not for the purpose of limitation. The description of features or aspects in each embodiment should generally be considered applicable to other similar features or aspects in other embodiments. Although one or more embodiments have been described with reference to the accompanying drawings, it will be understood by those of ordinary skill in the art that various changes may be made in form and detail without departing from the spirit and scope of the present disclosure as defined in the claims.

Claims

1. A battery pack comprising: case; A battery cell accommodated in the housing; as well as A protection circuit module connected to the battery cell, wherein the protection circuit module comprises: substrate; at least one component mounting area on the substrate and including a plurality of components; and at least one coating region at least partially corresponding to the at least one component mounting region on the substrate and including at least one protruding portion supporting a coating solution within the at least one coating region, and At least a portion of the at least one protruding portion includes a material that is the same as that of the substrate and is mounted on the substrate.

2. The battery pack according to claim 1, wherein the substrate comprises: at least one first mounting region corresponding to the at least one component mounting region and having a pad formed therein; as well as At least one second mounting region corresponds to the at least one coating region and has a pad formed therein. 3 . The battery pack according to claim 1 , wherein each of the at least one coated region comprises a single protruding portion, the single protruding portion comprising a single piece. 4 . The battery pack according to claim 3 , wherein the single protruding portion is provided at an outer side of each of the at least one coating region and has a closed outline.

5. The battery pack according to claim 3, wherein an inner edge of the single protruding portion is separated from an edge of each of the at least one coating region, and An outer edge of the single protruding portion is separated from an edge of the base plate. The battery pack according to claim 1 , wherein the at least one protruding portion has a constant height. 7 . The battery pack according to claim 1 , wherein a height of the at least one protruding portion gradually increases toward a central portion of the at least one protruding portion in a length direction thereof. 8 . The battery pack according to claim 1 , wherein the at least one protruding portion comprises a plurality of protruding portions provided for each of the at least one component mounting area, the plurality of protruding portions being separated from each other to form a plurality of gaps.

9. The battery pack according to claim 8, wherein the plurality of protruding portions include two protruding portions provided for each of the at least one component mounting area, a corresponding protruding portion of the two protruding portions being disposed on a corresponding one of a first side and a second side of the at least one component mounting area in a length direction of the substrate, and A gap between the two protruding portions faces the width direction of the substrate.

10. The battery pack according to claim 8, wherein some of the plurality of protruding portions are provided to be separated from each other and correspond to long sides of the at least one component mounting area, and One of the plurality of protruding portions is provided to correspond to a short side of the at least one component mounting area.

11. The battery pack according to claim 1, wherein the at least one component mounting area includes a plurality of component mounting areas arranged along a length direction of the substrate, and The at least one coating region corresponds to a component mounting region disposed in a central portion of the substrate in a length direction of the substrate among the plurality of component mounting regions.

12. A method for manufacturing a battery pack, the method comprising: forming at least one first mounting area and at least one second mounting area by forming pads on the substrate; forming at least one component mounting area by mounting a plurality of components in the at least one first mounting area; forming at least one coating region by installing at least one protruding portion in the at least one second mounting region; as well as A coating solution is applied to the at least one coating area. 13 . The method according to claim 12 , wherein the forming of the at least one first mounting region and the at least one second mounting region comprises forming the pad on the substrate such that the at least one second mounting region surrounds the at least one first mounting region.

14. The method of claim 12, wherein the forming of the at least one coated region comprises installing a single protruding portion comprising a single piece in each of the at least one second mounting region. 15 . The method according to claim 12 , wherein the forming of the at least one coating region comprises installing a plurality of protruding portions in each of the at least one second mounting region such that corresponding gaps are formed between corresponding protruding portions of the plurality of protruding portions.

16. A protection circuit module configured to be connected to a battery cell, the protection circuit module comprising: substrate; at least one component mounting area on the substrate and including a plurality of components; as well as at least one coating region at least partially corresponding to the at least one component mounting region on the substrate and comprising at least one protruding portion supporting a coating solution within the at least one coating region, and At least a portion of the at least one protruding portion includes a material that is the same as that of the substrate and is mounted on the substrate.

17. The protection circuit module according to claim 16, wherein the substrate comprises: at least one first mounting region corresponding to the at least one component mounting region and having a pad formed therein; as well as At least one second mounting region corresponds to the at least one coating region and has a pad formed therein. 18 . The protection circuit module according to claim 16 , wherein each of the at least one coating region comprises a single protruding portion comprising a single piece. 19 . The protection circuit module according to claim 18 , wherein the single protruding portion is provided at an outer side of each of the at least one coating region and has a closed contour.

20. The protection circuit module according to claim 18, wherein an inner edge of the single protruding portion is separated from an edge of each of the at least one coating region, and An outer edge of the single protruding portion is separated from an edge of the base plate.

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