CN221407540U - Battery and electricity utilization device - Google Patents

Abstract

The application discloses a battery and an electricity utilization device, wherein the battery comprises: the composite cover comprises a cover plate body and a first mounting edge, and the first mounting edge is arranged on the periphery of the cover plate body; the compressing piece is arranged on the side face of the cover plate body along the first direction. According to the scheme provided by the application, the pressing piece is arranged on the side surface of the composite cover along the first direction, so that when the composite cover is buckled on the box body on the battery, the pressing piece on the composite cover is abutted with the upper surface of the battery module in the box body, the battery module can be ensured to be stably positioned in the box body, the battery module can be prevented from being beaten by the composite cover when the battery vibrates, and the use reliability of the battery is improved.

Description

Battery and electricity utilization device

Technical Field

The application relates to the technical field of batteries, in particular to a battery and an electric device.

Background

In an electric automobile, a battery system is used as one of key systems of the electric automobile, and the safety performance of the battery system directly affects the safety of the whole automobile. The power battery is a core component of the battery system, and the battery upper cover is used as a carrier of the power battery, so that the safety protection of the power battery is played a key role.

In the use of the upper cover of the battery in the related art, the upper cover can beat the battery module, the noise is serious, and the long-time beating can damage the connecting structure inside the battery module.

Disclosure of utility model

In view of the above problems, the present application provides a battery and an electric device, which can solve the problem that the upper cover of the existing battery can beat the battery module during the use process, thereby reducing the use reliability of the battery.

To solve the above technical problem, in a first aspect, the present application provides a battery, including:

The composite cover comprises a cover plate body and a first mounting edge, and the first mounting edge is arranged on the periphery of the cover plate body;

the compressing piece is arranged on the side face of the cover plate body along the first direction.

In the technical scheme of the embodiment of the application, the pressing piece is arranged on the side surface of the composite cover along the first direction, so that when the composite cover is buckled on the box body on the battery, the pressing piece on the composite cover is abutted with the upper surface of the battery module in the box body, the battery module can be ensured to be stably positioned in the box body, the battery module can be prevented from being beaten by the composite cover when the battery vibrates, and the use reliability of the battery is improved.

In some embodiments, a first attachment hole is provided at the first mounting edge along the first direction. Therefore, the first installation edge is convenient to be connected with the upper box body of the battery.

In some embodiments, the cover plate body includes a top plate and a first side plate, the first side plate is disposed at the periphery of the top plate, and the first side plate and the top plate enclose a groove structure;

The first mounting edge is arranged on one side, far away from the top plate, of the first side plate, and the pressing piece is arranged on the side surface, along the first direction, of the top plate. Because the cover plate body is of a concave structure as a whole, the strength of the cover plate body can be improved.

In some embodiments, the compression member comprises a first bead and a second bead, each disposed on a side of the top plate along the first direction;

The first bead and the second bead have different widths along a second direction, wherein the second direction intersects the first direction. Because the widths of the first pressing strip and the second pressing strip are different, the electric cores of different types can be pressed and fixed conveniently.

In some embodiments, the battery further comprises an adhesive disposed on a side of the first bead facing away from the top plate, and/or

The bonding piece is arranged on one side of the second pressing strip, which is away from the top plate. Therefore, when the composite cover is buckled on the box body on the battery, the bonding piece is bonded with the battery cell in the box body, and the battery cell is further stably positioned between the composite cover and the box body.

In some embodiments, the composite cover is integrally formed with the compression member. Thus, the strength of the composite cover as a whole can be improved.

In some embodiments, the compression member is welded at a side of the composite cover in the first direction. Thus, the strength of the composite cover as a whole can be improved.

In some embodiments, the battery further comprises a case;

one side of the box body along the first direction is of an opening structure, and the composite cover is arranged at the opening of the box body.

In some embodiments, the case includes a housing and a second mounting edge;

One side of the shell along the first direction is of an opening structure, and the second mounting edge is arranged on the periphery of the opening side of the shell;

Under the condition that the composite cover is arranged at the opening of the box body, the first installation edge on the composite cover is clung to the second installation edge, and the composite cover and the shell enclose an inner cavity for placing the battery module.

In some embodiments, a second connection hole is provided at the second mounting edge along the first direction, the second connection hole corresponding to a position of the first connection hole on the first mounting edge. The second connecting hole is arranged, so that the first installation edge and the second installation edge are convenient to connect.

In some embodiments, the housing includes a bottom plate and a second side plate, the second side plate is disposed at a periphery of the bottom plate, and the second side plate and the bottom plate enclose a groove structure;

The second mounting edge is arranged on one side of the second side plate away from the bottom plate.

In some embodiments, the battery further comprises an adhesive layer disposed on a side of the base plate facing the composite cover. The arrangement of the bonding layer can enable the battery cell to be stably positioned in the shell.

In some embodiments, the battery further comprises a gasket disposed between the first mounting edge and the second mounting edge. The sealing gasket can ensure the tightness of connection between the first installation edge and the second installation edge.

In a second aspect, the present application provides an electrical device comprising a battery according to any one of the embodiments of the present application.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the embodiments. The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a schematic structural view of a composite cover according to some embodiments of the present application;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of a composite cover according to some embodiments of the present application;

fig. 4 is a schematic view of a battery according to some embodiments of the present application;

FIG. 5 is a schematic view of the internal structure of FIG. 4;

fig. 6 is a schematic view of a battery according to some embodiments of the present application;

FIG. 7 is a cross-sectional view of FIG. 6 in the direction B-B;

FIG. 8 is an enlarged schematic view of FIG. 7 at D;

FIG. 9 is an enlarged schematic view of FIG. 7 at E;

FIG. 10 is a cross-sectional view of FIG. 6 in the direction C-C;

FIG. 11 is an enlarged schematic view of FIG. 10 at F;

FIG. 12 is an enlarged schematic view at G in FIG. 10;

Fig. 13 is a schematic structural diagram of an electrical device according to some embodiments of the present application.

Reference numerals in the specific embodiments are as follows:

10. A composite cover; 101. a cover plate body; 1011. a top plate; 1012. a first side plate; 102. a first mounting edge; 1021. a first connection hole; 11. a pressing member; 111. a first batten; 112. a second pressing bar; 12. a case; 121. a housing; 1211. a bottom plate; 1212. a second side plate; 122. a second mounting edge; 1221. a second connection hole; 13. a battery module; 131. a battery cell; 14. an adhesive member; 141. a first adhesive tape; 142. a second adhesive tape; 15. an adhesive layer; 100. a battery; 200. a controller; 300. a motor; 1000. a vehicle.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

The present application will be described in detail below.

The Pack battery Pack generally comprises a box body, a battery module and an upper cover, wherein the upper cover is buckled on the box body, and the battery module is arranged in an inner cavity formed by buckling the upper cover and the box body.

After the Pack battery Pack is mounted in the vehicle, the Pack battery Pack is in a vibrating state in the running process of the vehicle, and at the moment, the upper cover can flap the battery module, so that the noise is serious, the connecting structure in the battery module is easy to damage, and the use reliability of the battery is reduced.

In order to solve the problem that an upper cover can flap a battery module in the using process of an existing Pack battery Pack, an embodiment of the application provides a battery, which comprises a composite cover and a pressing piece, wherein the pressing piece is arranged on the side surface of the composite cover along a first direction. In the technical scheme of the embodiment of the application, the pressing piece is arranged on the side surface of the composite cover along the Z-axis direction, so that when the composite cover is buckled on the box body on the battery, the pressing piece on the composite cover is abutted with the upper surface of the battery module in the box body, thereby ensuring that the battery module is stably positioned in the box body, avoiding that the composite cover can beat the battery module when the battery vibrates, and reducing the use reliability of the battery.

The battery disclosed by the embodiment of the application can be used in electric devices such as vehicles, ships or aircrafts, but is not limited to the electric devices. The power supply system having the battery disclosed in the present application to constitute the power utilization device may be used.

The embodiment of the application provides an electric device using a battery as a power supply, wherein the electric device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 13, fig. 13 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

In the battery 100, as shown in fig. 5, the battery module 13 may be a plurality of battery cells, and the plurality of battery cells may be connected in series or in parallel, and the series-parallel connection means that the plurality of battery cells are connected in both series and parallel. The battery units can be directly connected in series, in parallel or in series-parallel, and then the battery module 13 formed by the battery units is accommodated in the box 12.

Wherein each battery cell may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cells may be cylindrical, flat, rectangular, or otherwise shaped.

As shown in fig. 1, the battery 100 includes a composite cover 10 and a pressing member 11, wherein the pressing member 11 is disposed at a side of the composite cover 10 in a first direction.

As shown in fig. 1, the composite cover 10 includes a cover body 101 and a first mounting edge 102, wherein the first mounting edge 102 is disposed at a periphery of the cover body 101; the pressing member 11 is disposed at a side surface of the cover body 101 along the first direction.

In this embodiment, the first direction is the Z-axis direction as shown in fig. 1, wherein the Z-axis is perpendicular to the plane of the composite cover 10.

In this embodiment, a plurality of pressing members 11 are included, and each pressing member 11 extends along the X-axis direction as shown in fig. 1, where the included angle between the X-axis and the Z-axis may be 85 ° or 90 °, and in this embodiment, the X-axis and the Z-axis are perpendicular to each other.

The cover body 101 in the present embodiment may have a square structure, and it is understood that the cover body 101 may have a polygonal structure, etc., and the embodiment is not limited thereto.

In this embodiment, the first mounting edge 102 extends outwards along the periphery of the cover body 101, where the first mounting edge 102 may be welded to the cover body 101, or the first mounting edge 102 and the cover body 101 are integrally formed by stamping, which may be specifically determined according to practical situations, and this embodiment is not limited in this specification.

In use, referring to fig. 4, when the composite cover 10 is fastened to the case 12 of the battery 100, the pressing member 11 of the composite cover 10 abuts against the upper surface of the battery module 13 in the case 12, so that the battery module 13 can be stably positioned in the case 12.

In the technical scheme of the embodiment of the application, the pressing piece 11 is arranged on the side surface of the composite cover 10 along the Z-axis direction, so that when the composite cover 10 is buckled on the box body 12 on the battery 100, the pressing piece 11 on the composite cover 10 is abutted with the upper surface of the battery module 13 in the box body 12, thereby ensuring that the battery module 13 is stably positioned in the box body 12, avoiding that the composite cover 10 can flap the battery module 13 when the battery 100 vibrates, and improving the use reliability of the battery 100.

According to some embodiments of the present application, as shown in fig. 1 or 3, a first connection hole 1021 is provided at the first mounting edge 102 along a first direction.

In this embodiment, a plurality of first connection holes 1021 are formed in the first mounting edge 102 along the Z-axis direction, so that when the composite cover 10 is fastened to the case on the battery 100, the composite cover can be connected to the case by bolts through the first connection holes 1021.

According to some embodiments of the present application, as shown in fig. 2, the cover body 101 includes a top plate 1011 and a first side plate 1012, wherein the first side plate 1012 is disposed at the periphery of the top plate 1011, and the first side plate 1012 and the top plate 1011 enclose a groove structure; the first mounting edge 102 is disposed on a side of the first side plate 1012 away from the top plate 1011, and the pressing member 11 is disposed on a side surface of the top plate 1011 along the first direction.

In this embodiment, the top plate 1011 has a square structure, the periphery of the top plate 1011 is vertically welded with a first side plate 1012 along the Z axis, and a first mounting edge 102 is vertically welded on a side of the first side plate 1012 away from the top plate 1011, wherein the first mounting edge 102 is parallel to the top plate 1011, and the first mounting edge 102 is located outside the top plate 1011. It should be understood that the first mounting edge 102, the first side plate 1012, and the top plate 1011 may be integrally formed by stamping, and specifically may be determined according to practical situations, which is not limited in this embodiment of the present disclosure.

In this embodiment, since the cover body 101 is integrally formed with a concave structure, the strength of the cover body 101 can be improved.

According to some embodiments of the present application, as shown in fig. 1, the compression member 11 includes a first compression bar 111 and a second compression bar 112, wherein the first compression bar 111 and the second compression bar 112 are disposed on a side surface of the top plate 1011 in a first direction; the widths of the first and second beads 111 and 112 are different in the second direction, which intersects the first direction.

In this embodiment, the second direction is a Y-axis direction as shown in fig. 1, where the included angle between the Y-axis and the Z-axis may be 85 ° or 90 °, and the embodiment is described by taking the case that the Y-axis and the Z-axis are perpendicular to each other. Meanwhile, the Z axis in this embodiment is perpendicular to a plane formed by the X axis and the Y axis.

In this embodiment, as shown in fig. 1, the pressing member 11 includes two first pressing bars 111 and three second pressing bars 112, wherein the two first pressing bars 111 are located at the upper and lower sides of the top plate 1011 along the Y axis, and the three second pressing bars 112 are located between the two first pressing bars 111.

The distribution structure of the first and second beads 111 and 112 in this embodiment may be determined according to the distribution structure of the battery cells 131 in the battery module 13 in the case 12 on the battery 100 as in fig. 5.

In this embodiment, the width of the second pressing bar 112 along the Y axis is greater than the width of the first pressing bar 111 along the Y axis, and it is understood that the width of the second pressing bar 112 along the Y axis may be smaller than or equal to the width of the first pressing bar 111 along the Y axis, which may be specifically determined according to practical situations, and the embodiment of the present disclosure is not limited thereto.

Because the widths of the first pressing bar 111 and the second pressing bar 112 along the Y axis are different, the electric cores of different types can be pressed and fixed conveniently.

According to some embodiments of the present application, the battery 100 further includes an adhesive member 14, wherein the adhesive member 14 is disposed on a side of the first bead 111 facing away from the top plate 1011, and/or the adhesive member 14 is disposed on a side of the second bead 112 facing away from the top plate 1011.

In the present embodiment, as shown in fig. 6 in combination with fig. 7, 8 and 9, fig. 7 is a cross-sectional view of fig. 6 in the direction B-B, fig. 8 is an enlarged schematic view of fig. 7 at D, and fig. 9 is an enlarged schematic view of fig. 7 at E.

The adhesive member 14 in this embodiment may be glue, and it is understood that the adhesive member 14 may also be a double-sided tape, which may be specifically determined according to practical situations, and this embodiment of the present disclosure is not limited thereto.

The adhesive member 14 in this embodiment includes a first adhesive tape 141 and a second adhesive tape 142, wherein the first adhesive tape 141 is adhered to a side of the first pressing bar 111 facing away from the top plate 1011, and the second adhesive tape 142 is adhered to a side of the second pressing bar 112 facing away from the top plate 1011.

In this embodiment, the first adhesive tape 141 may be adhered to the first pressing strip 111, the second adhesive tape 142 may be adhered to the second pressing strip 112, or the first adhesive tape 141 may be adhered to the first pressing strip 111 and the second adhesive tape 142 may be adhered to the second pressing strip 112, and in this embodiment, the adhesive tapes are adhered to both the first pressing strip 111 and the second pressing strip 112.

Thus, when the composite cover 10 is buckled on the case 12 on the battery 100, as shown in fig. 8, the first adhesive tape 141 on the first pressing strip 111 is adhered to the battery cell 131 in the battery module 13 in the case 12, as shown in fig. 9, the second adhesive tape 142 on the second pressing strip 112 is adhered to another battery cell 131 in the battery module 13 in the case 12, so that the battery cell is further stably located between the composite cover 10 and the case 12.

According to some embodiments of the present application, the composite cover 10 is integrally formed with the compression member 11.

In the present embodiment, the pressing member 11 can be punched out at a specified position on the composite cover 10, so that the strength of the composite cover 10 as a whole can be improved.

According to some embodiments of the present application, the pressing member 11 is welded at a side of the composite cover 10 in the first direction.

In the present embodiment, referring to fig. 1, the pressing member 11 is welded to the side surface of the composite cover 10 in the Z-axis direction, so that the strength of the composite cover 10 as a whole can be improved.

According to some embodiments of the present application, as shown in fig. 4 or 5, the battery 100 further includes a case 12, an upper side of the case 12 in the Z-axis direction is an opening structure, and the composite cover 10 is disposed at the opening of the case 12.

In this embodiment, the composite cover 10 is fastened to the opening of the case 12, and the cavity formed by the composite cover 10 and the case 12 can be used for placing the battery module 13. The specific structure of the composite cover 10 in this embodiment refers to the above embodiment, and since all the technical solutions of all the embodiments are adopted in the battery 100, at least all the beneficial effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.

According to some embodiments of the present application, as shown in fig. 5, the case 12 includes a housing 121 and a second mounting edge 122; wherein, one side of the housing 121 along the first direction is an opening structure, and the second mounting edge 122 is disposed at the periphery of the opening side of the housing 121; under the condition that the composite cover 10 is arranged at the opening of the box body 12, the first mounting edge 102 and the second mounting edge 122 on the composite cover 10 are clung, and the composite cover 10 and the shell 121 are enclosed to form an inner cavity for placing the battery module.

In this embodiment, as shown in fig. 5, the upper side of the housing 121 in the Z-axis direction is an open structure, the second mounting edge 122 is welded to the periphery of the open side of the housing 121, and the battery module 13 is located in the cavity of the housing 121.

The second mounting edge 122 and the first mounting edge 102 in this embodiment have the same structural dimensions, when the composite cover 10 is buckled on the case 12, the first mounting edge 102 is tightly attached to the second mounting edge 122, the first pressing strip 111 and the second pressing strip 112 on the cover plate body 101 will press on the corresponding battery module 13, the cover plate body 101 cannot move along the Z-axis direction relative to the battery module 13, so that the cover plate body 101 can be prevented from beating the battery module 13 when the battery 100 vibrates, and the use reliability of the battery 100 is improved.

According to some embodiments of the present application, as shown in fig. 5, a second connection hole 1221 is provided at the second mounting edge 122 along the first direction, and the second connection hole 1221 corresponds to the position of the first connection hole 1021 on the first mounting edge 102.

In this embodiment, the second connecting hole 1221 is formed in the second mounting edge 122 along the Z-axis direction, and when the first mounting edge 102 is tightly attached to the second mounting edge 122, the position of the first connecting hole 1021 and the position of the second connecting hole 1221 are aligned along the Z-axis, so that the first mounting edge 102 and the second mounting edge 122 are conveniently fastened together by bolts.

According to some embodiments of the present application, as shown in fig. 7, the housing 121 includes a bottom plate 1211 and a second side plate 1212, wherein the second side plate 1212 is disposed at the periphery of the bottom plate 1211, and the second side plate 1212 and the bottom plate 1211 enclose a groove structure; the second mounting edge 122 is disposed on a side of the second side panel 1212 remote from the bottom panel 1211.

The bottom plate 1211 in the present embodiment has a square structure, and it is understood that the bottom plate 1211 may also have a polygonal structure, which may be specifically determined according to practical situations, and the embodiment of the present disclosure is not limited thereto.

The second mounting edge 122, the second side plate 1212, and the bottom plate 1211 in the present embodiment are integrally formed by stamping, however, the second mounting edge 122, the second side plate 1212, and the bottom plate 1211 may also be welded, which may be specifically determined according to practical situations, and the embodiment of the present invention is not limited thereto.

According to some embodiments of the present application, as shown in fig. 6 in combination with fig. 10, 11 and 12, wherein fig. 10 is a cross-sectional view of fig. 6 in the direction of C-C, fig. 11 is an enlarged schematic view of fig. 10 at F, and fig. 12 is an enlarged schematic view of fig. 10 at G. The battery 100 further includes an adhesive layer 15, the adhesive layer 15 being disposed on a side of the base plate 1211 facing the composite cover 10.

The adhesive layer 15 in this embodiment may be a double sided adhesive, and it is understood that the adhesive layer 15 may be an AB adhesive, etc., and specifically may be determined according to practical situations, which is not limited in this embodiment.

When the battery cell 131 is put on the bottom plate 1211 in use, the bottom surface of the battery cell 131 is adhered to the adhesive layer 15 on the bottom plate 1211, so that the battery cell 131 can be ensured to be stably located in the housing 121.

According to some embodiments of the present application, battery 100 further includes a gasket (not identified in the figures) disposed between first mounting edge 102 and second mounting edge 122.

The gasket in this embodiment may be a sealing ring, and since the gasket is disposed between the first mounting edge 102 and the second mounting edge 122, when the first mounting edge 102 and the second mounting edge 122 are fastened together, the tightness of the connection between the first mounting edge 102 and the second mounting edge 122 can be ensured.

The application also provides an electric device comprising the battery 100 according to any one of the embodiments of the application.

The specific structure of the battery 100 in this embodiment refers to the above embodiment, and the power-using device may be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, an electric vehicle, an electric automobile, a ship, a spacecraft, and the like. Because all the technical schemes of all the embodiments are adopted in the power utilization device, the power utilization device has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (14)

1. A battery, comprising:

A composite cover (10), the composite cover (10) comprising a cover plate body (101) and a first mounting edge (102), the first mounting edge (102) being arranged at the periphery of the cover plate body (101);

The pressing piece (11), the pressing piece (11) set up in the side of apron body (101) along the first direction.

2. The battery according to claim 1, characterized in that a first connection hole (1021) is provided at the first mounting edge (102) in the first direction.

3. The battery according to claim 1, wherein the cover plate body (101) comprises a top plate (1011) and a first side plate (1012), the first side plate (1012) is arranged at the periphery of the top plate (1011), and the first side plate (1012) and the top plate (1011) are enclosed to form a groove structure;

The first mounting edge (102) is arranged on one side, far away from the top plate (1011), of the first side plate (1012), and the pressing piece (11) is arranged on the side surface, along the first direction, of the top plate (1011).

4. A battery according to claim 3, wherein the compression member (11) includes a first bead (111) and a second bead (112), the first bead (111) and the second bead (112) being each provided on a side of the top plate (1011) in the first direction;

the first (111) and second (112) beads differ in width along a second direction, wherein the second direction intersects the first direction.

5. The battery according to claim 4, characterized in that the battery comprises an adhesive (14), the adhesive (14) being arranged on the side of the first bead (111) facing away from the top plate (1011), and/or

The bonding piece (14) is arranged on one side of the second pressing strip (112) away from the top plate (1011).

6. The battery according to any one of claims 1-5, characterized in that the composite cover (10) is integrally formed with the compression member (11).

7. The battery according to any one of claims 1-5, characterized in that the compression member (11) is welded at a side of the composite cover (10) in the first direction.

8. The battery according to any one of claims 1-5, characterized in that the battery further comprises a housing (12);

one side of the box body (12) along the first direction is of an opening structure, and the composite cover (10) is arranged at the opening of the box body (12).

9. The battery according to claim 8, wherein the case (12) includes a housing (121) and a second mounting edge (122);

One side of the shell (121) along the first direction is of an opening structure, and the second mounting edge (122) is arranged at the periphery of the opening side of the shell (121);

under the condition that the composite cover (10) is arranged at the opening of the box body (12), a first installation edge (102) on the composite cover (10) is clung to a second installation edge (122), and an inner cavity for placing a battery module is formed by surrounding the composite cover (10) and the shell (121).

10. The battery according to claim 9, characterized in that a second connecting hole (1221) is provided at the second mounting side (122) in the first direction, the second connecting hole (1221) corresponding to the position of the first connecting hole (1021) on the first mounting side (102).

11. The battery according to claim 9, wherein the case (121) includes a bottom plate (1211) and a second side plate (1212), the second side plate (1212) being disposed at the periphery of the bottom plate (1211), the second side plate (1212) and the bottom plate (1211) being surrounded in a groove structure;

The second mounting edge (122) is disposed on a side of the second side plate (1212) remote from the bottom plate (1211).

12. The battery according to claim 11, further comprising an adhesive layer (15), the adhesive layer (15) being provided on a side of the base plate (1211) facing the composite cover (10).

13. The battery of claim 10, further comprising a gasket disposed between the first mounting edge (102) and the second mounting edge (122).

14. An electrical device comprising a battery as claimed in any one of claims 1 to 13.