CN220106748U

CN220106748U - Battery and electric equipment

Info

Publication number: CN220106748U
Application number: CN202321138214.6U
Authority: CN
Inventors: 许德帮; 肖丽丽; 陈志立; 乔磊
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-28
Anticipated expiration: 2033-05-11

Abstract

The application discloses a battery and electric equipment, and belongs to the technical field of batteries. The battery comprises a shell, a mounting rack and a battery monomer; the mounting frame is arranged in the shell; the battery monomer is arranged in the shell through the mounting frame; wherein the mounting bracket is configured to be energized to generate heat to heat the battery cells. On one hand, the mounting frame can heat the battery monomer by self-generating heat when being electrified, the heating rate is high, the temperature rise rate of the battery monomer under the low-temperature working condition can be ensured, the reliability of the battery is ensured, and the use experience of a user is improved; on the other hand, the mounting frame not only serves as a single battery heating structure but also serves as a single battery mounting structure, so that the structure of the battery is more compact and reliable, the cost is lower, the process is simpler, and the energy density is higher.

Description

Battery and electric equipment

Technical Field

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

Background

With the development of new energy technology, the battery is increasingly widely applied to terminal products such as mobile phones, notebook computers, battery cars, electric automobiles, electric airplanes, electric ships, electric toy automobiles, electric toy ships, electric toy airplanes, electric tools and the like.

In addition to improving the performance of batteries, the reliability problem of batteries is a non-negligible problem in the development of battery technology. If the reliability problem of the battery cannot be guaranteed, the reliability, the use cost and the user experience of the terminal product are directly affected. Therefore, how to enhance the reliability of the battery is a technical problem to be solved in the battery technology.

Disclosure of Invention

The embodiment of the utility model provides a battery and electric equipment capable of improving reliability.

In a first aspect, an embodiment of the present utility model provides a battery, including a housing, a mounting bracket, and a battery cell; the mounting frame is arranged in the shell; the battery monomer is arranged in the shell through the mounting frame; wherein the mounting bracket is configured to be energized to generate heat to heat the battery cells.

According to the technical scheme, on one hand, the mounting frame can heat the battery monomer by self-generating heat when the power is on, the heating rate is high, the temperature rise rate of the battery monomer under the low-temperature working condition can be ensured, the reliability of the battery is ensured, and the use experience of a user is improved; on the other hand, the mounting frame not only serves as a single battery heating structure but also serves as a single battery mounting structure, so that the structure of the battery is more compact and reliable, the cost is lower, the process is simpler, and the energy density is higher.

In some embodiments, the mounting frame comprises a plurality of frame bodies arranged at intervals, and the plurality of frame bodies jointly mount the battery cells; each of the shelves is configured to heat the battery cells when energized. The frame bodies arranged at intervals are used for heating the battery cells, so that the heating rate of the battery cells can be improved, the temperature rise rate of the battery cells can be improved, the reliability of the battery is improved, the stability of the battery cells can be ensured, and the reliability of the battery cells and the battery can be further improved.

In some embodiments, the battery comprises a charge-discharge seat, the charge-discharge seat is electrically connected with the battery cell, and the battery is charged and discharged through the charge-discharge seat; each frame body is electrically connected with the charge-discharge seat. The power-on of the frame body is carried out through the charge-discharge circuit of the battery, so that the cost can be saved, the battery structure is more compact and reliable, and the reliability of the battery can be further improved.

In some embodiments, the mounting frame comprises a first frame body and a second frame body which are opposite and arranged at intervals, wherein the first frame body and the second frame body are electrically connected with the charge-discharge seat, and the first frame body and the second frame body are respectively used for mounting two ends of the battery cell so as to heat the battery cell together from the two ends of the battery cell. The battery monomer is heated from two ends through the first frame body and the second frame body, so that the heating rate of the battery monomer can be quickly improved on the premise of saving cost, the heating time and the heating cost can be saved, the reliability of the battery can be improved, and the use experience of a user can be improved; meanwhile, the first frame body and the second frame body are positioned at two ends of the battery monomers, so that the battery monomers can be stabilized from the two ends, and the battery monomers are prevented from moving, so that the reliability of the battery is effectively improved on the premise of saving cost.

In some embodiments, each of the frame bodies is electrically connected to the charge-discharge receptacle by a conductive harness. On the one hand, when each frame body is connected with the charge-discharge seat through the conductive wire harness, the position relationship between the frame body and the charge-discharge seat is more flexible, so that the frame body can be more suitable for different battery monomers, and the adaptability and the reliability of the battery can be improved; on the other hand, a plurality of support bodies are respectively connected with the charge-discharge seat through wire harnesses and are arranged in parallel, so that when any one of the plurality of support bodies is damaged and can not generate heat, the other support body can be used for heating, the occurrence of the condition that the battery monomer can not be heated can be reduced or avoided, and the reliability of the battery is further improved.

In some embodiments, a cinching member is provided on the mount for cinching the conductive harness. The wire harness can be stabilized through the arrangement of the tightening piece, potential safety hazards such as short circuit brought by contact lock of the wire harness and the battery cell pole are reduced or avoided, and the reliability of the battery can be improved.

In some embodiments, the housing is provided with a mounting groove, the charging and discharging seat is inserted into the mounting groove, and at least part of the charging and discharging seat is accommodated in the mounting groove. Through set up the mounting groove on the casing, can improve the steadiness of charge-discharge seat.

In some embodiments, the mounting bracket is made of a thermally conductive metal material; or, the mounting frame comprises a frame body and a heating piece arranged on the surface of the frame body, and the heating piece is attached to the battery monomer. On the one hand, the material of mounting bracket sets up to heat conduction metal material, can be convenient for the mounting bracket from generating heat in order to heat the battery monomer under the circular telegram condition, can improve heating efficiency, simultaneously, heat conduction metal material can save heating structure's such as heating plate use, reduces the curling perk that heating structure uses such as heating plate and influences the free problem of battery probably brought for the structure of battery is compacter and reliable, also makes the energy density of battery higher. On the other hand, when the mounting frame is arranged to be of a structure of combining the frame body and the heating piece, the mounting frame can be made of non-conductive materials, the cost is low, the size of the heating piece is small, the cost is relatively low, and the cost of the battery can be reduced.

In some embodiments, the mounting frame is provided with an insulating layer at least on the outer side of the portion in contact with the battery cell. Through setting up the insulating layer in the part of mounting bracket and battery monomer contact, both can guarantee the normal clear of heating operation, can realize again with electric monomer between the insulation, realize with other electric components and parts insulation, can further improve the reliability of battery.

In some embodiments, the mounting frame is provided with a containing groove, and at least part of the battery monomer is contained in the containing groove, is spliced with the containing groove and is attached to the groove wall of the containing groove. The accommodating groove is formed in the mounting frame, so that at least part of the battery monomer can be accommodated in the accommodating groove, the heat exchange area between the battery monomer and the mounting frame is large, the heating efficiency can be ensured, and the reliability of the battery can be improved; meanwhile, the contact area between the battery monomer and the mounting frame is large, so that the stability of the battery monomer is guaranteed, and the reliability of the battery is further improved.

In some embodiments, the battery comprises a plurality of battery cells, each of the first frame body and the second frame body is provided with a containing groove corresponding to each battery cell, and each battery cell is spliced with the corresponding two containing grooves; the bottom of each containing groove is provided with a first exposing hole in a penetrating way, and the first exposing hole is used for exposing the positive electrode terminal or the negative electrode terminal of the corresponding battery cell; the battery also comprises a busbar and a charging and discharging seat, wherein the busbar is arranged on the shell, the busbar is electrically connected with the positive electrode terminal and the negative electrode terminal of each battery cell, and the charging and discharging seat is electrically connected with the busbar. When the number of the battery monomers is multiple, the serial connection and/or the parallel connection of the battery monomers are facilitated through the arrangement of the bus bars, the input and the output of the electric quantity of the battery monomers are facilitated through the arrangement of the charge and discharge seats, and the charge and discharge operation of the battery can be guaranteed; meanwhile, as the busbar and the charge-discharge seat are arranged on the shell, the compactness and integration of the battery can be improved, and the energy density of the battery can be further improved.

In some embodiments, the bottom of each accommodating groove is provided with a second exposing hole in a penetrating way, and the second exposing hole is used for exposing the explosion-proof valve of the corresponding battery cell; the bottom of each containing groove is provided with a third exposing hole in a penetrating way, and the third exposing hole is used for exposing the liquid injection hole of the corresponding battery cell. The explosion-proof valve is exposed through the second exposing hole, so that pressure relief and explosion prevention of the battery monomer are realized, and the reliability of the battery is improved.

In some embodiments, one of the housing and the mounting frame is provided with a limit groove, and the other of the housing and the mounting frame is provided with a limit post, and the limit groove and the limit post are in plug-in fit; and/or the shell and the mounting frame are correspondingly provided with mounting holes, the battery further comprises a fastener, and the fastener passes through the two mounting holes to be fastened and connected with the mounting frame and the shell. The mounting frame and the shell are relatively stable through the cooperation of the limiting grooves and the limiting columns, so that the mounting frame is convenient to mount and the reliability of the mounting frame is convenient to improve, the reliability of heating operation can be further improved, the reliability of the battery cell is improved, and the reliability and the stability of the battery are fully improved. Similarly, the mounting frame and the shell are fastened and connected through the fastening piece, so that the stability of the mounting frame can be fully guaranteed, and the reliability of the battery monomer and the battery can be further improved.

In some embodiments, the housing includes a plurality of shell portions that are removably mated. The shell is divided into the multiple shell parts which are detachably matched, so that the assembly and the use of the shell are facilitated, the loading and the taking out of the mounting rack and the battery cell are also facilitated, and the assembly and the disassembly efficiency can be improved.

In some embodiments, the housing includes a first housing portion, a second housing portion, and a third housing portion, the second housing portion having openings at both ends thereof, the first housing portion and the third housing portion being detachably mated with both ends of the second housing portion, respectively, to close the openings at the corresponding positions. The shell is split into three parts, so that when the battery monomer is installed, the first shell part and the second shell part can be matched, then the battery monomer is installed in the shell through the installation frame, and sealing is realized through the matching of the third shell part and the second shell part, so that the convenience and reliability of the installation of the battery monomer can be improved.

In some embodiments, the mounting bracket includes opposite and spaced apart first and second brackets for mounting respective ends of the battery cells, the first bracket being removably mated with the first shell portion and the second bracket being removably mated with the second shell portion. Through setting up like this, do benefit to when installing the battery monomer, can be earlier with first shell portion and first support body cooperation, then with the whole and the cooperation of second shell portion after the two cooperation, then pack into the casing with the battery monomer to cooperate with the second support body, realize sealedly and fixedly through the cooperation of third shell portion and second shell portion to and the cooperation of third shell portion and second support body, can improve convenience and the reliability of battery monomer installation.

In a second aspect, an embodiment of the present application provides an electric device, including a battery provided in any one of the embodiments of the second aspect. Since the electric equipment comprises the battery. Therefore, the electric equipment also has the advantage of high reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

fig. 2 is a schematic structural diagram of a battery according to some embodiments of the present application;

FIG. 3 is an exploded view of a battery provided in some embodiments of the application;

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

FIG. 5 is a partially exploded view of a battery provided in some embodiments of the application;

fig. 6 is a schematic diagram showing a partial structure of a battery according to some embodiments of the present application;

Fig. 7 is a schematic structural diagram of a first frame of a battery according to some embodiments of the present application;

fig. 8 is a schematic structural diagram II of a first frame of a battery according to some embodiments of the present application;

fig. 9 is a schematic diagram showing a partial structure of a battery according to some embodiments of the present application;

fig. 10 is a schematic structural view of a second frame of a battery according to some embodiments of the present application;

FIG. 11 is an enlarged view of a portion at I of FIG. 10;

fig. 12 is a schematic structural view of a third case portion of a battery according to some embodiments of the present application.

Icon: 01-vehicle; 10-battery; 101-a housing; 1011-a first shell portion; 1012-a second shell portion; 1013-a third shell portion; 10131-handle; 10132-safety valve; 1014-open; 1015-limit columns; 1016-mounting slots; 102-mounting frame; 1021-a first frame; 1022-a second frame; 1023-lacing elements; 1024-first exposure holes; 1025-a second exposure hole; 1027-limit grooves; 1028-receiving slots; 103-battery cells; 1031-a positive terminal; 1032-a negative terminal; 1033-a liquid injection hole; 1034-explosion-proof valve; 104-charging and discharging seats; 105-bus bar; 106-a conductive wire harness; 107-sampling a wire harness; 108-inserting grooves; 109—plug-in connection; 20-a controller; 30-motor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the 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 in the description of the application 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. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification 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.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiment of the present application. The battery cell may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application. The battery cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment.

Reference to a battery in accordance with an embodiment of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. The battery generally includes a case for enclosing one or more battery cells. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells.

The battery cell comprises an electrode assembly and electrolyte, wherein the electrode assembly consists of a positive electrode plate, a negative electrode plate and a separation film. The battery cells operate primarily by virtue of metal ions moving (e.g., de-intercalation) between the positive and negative electrode sheets. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the positive electrode current collector without the positive electrode active material layer protrudes out of the positive electrode current collector coated with the positive electrode active material layer, and the positive electrode current collector without the positive electrode active material layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the negative electrode current collector without the negative electrode active material layer protrudes out of the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector without the negative electrode active material layer is used as a negative electrode lug. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the high current is passed without fusing, the number of positive tabs is plural and stacked together, and the number of negative tabs is plural and stacked together. The material of the separator may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may be a roll-to-roll structure or a lamination structure, and embodiments of the present application are not limited thereto.

The development of battery technology is taking into consideration various design factors such as energy density, cycle life, discharge capacity, charge-discharge rate and other performance parameters, and the reliability of the battery. For the battery monomer, the low-temperature performance is poor, the lithium intercalation rate is insufficient in charging, lithium ions are separated out on the surface of a negative electrode, the capacity is insufficient due to active lithium consumption, lithium dendrites are formed in severe cases, and the safety risk is caused by short circuit through penetrating through an isolating film; when discharging, the dynamic variation polarization increases, low-voltage alarm is triggered easily, and the low-temperature power is insufficient to influence the use of customers, so that the battery monomer needs to be heated and maintained at a proper temperature when running at a low temperature.

Therefore, the mounting frame for mounting the battery monomer can generate heat under the condition of electrifying, so that the battery monomer can be heated, the temperature rise rate of the battery monomer under the low-temperature working condition is ensured, the reliability of the battery is ensured, and the use experience of a user is improved. Meanwhile, the mounting frame not only serves as a heating structure of the battery cell but also serves as a mounting structure of the battery cell, so that the structure of the battery cell is more compact and reliable, the cost is lower, the process is simpler, and the energy density is higher.

The technical scheme described by the embodiment of the application is suitable for the battery and the electric equipment using the battery.

The electric equipment can be vehicles, mobile phones, portable equipment, notebook computers, ships, spacecrafts, electric toys, electric tools and the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others. The embodiment of the application does not limit the electric equipment in particular.

For convenience of explanation, the following embodiment takes electric equipment as an example of a vehicle, and details of the structure of the battery provided by the application are explained.

Fig. 1 is a schematic structural diagram of a vehicle 01 according to some embodiments of the present application. Referring to fig. 1, a battery 10 is disposed in a vehicle 01, and the battery 10 may be disposed at a bottom, a head or a tail of the vehicle 01, or may be mounted at a top or a side of the vehicle 01. The battery 10 may be used for power supply of the vehicle 01, for example, the battery 10 may serve as an operating power source of the vehicle 01.

The vehicle 01 may also include a controller 20 and a motor 30, the controller 20 being configured to control the battery 10 to power the motor 30, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 01. Of course, in some embodiments of the present application, the battery 10 may not only serve as an operating power source for the vehicle 01, but also as a driving power source for the vehicle 01, instead of or in part instead of fuel oil or natural gas, to provide driving power for the vehicle 01.

Fig. 2 is a schematic structural view of a battery 10 according to some embodiments of the present application; fig. 3 is an exploded view of a battery 10 provided in some embodiments of the application; fig. 4 is a schematic view of a partial structure of a battery 10 according to some embodiments of the present application; fig. 5 is a partially exploded view of a battery 10 according to some embodiments of the present application. Referring to fig. 2 to 5, in an embodiment of the present application, a battery 10 includes a housing 101, a mounting frame 102, and a battery cell 103, the mounting frame 102 is used to mount the battery cell 103 in the housing 101.

The housing 101 is a component for accommodating the battery cell 103, and the housing 101 provides an accommodating space for the battery cell 103 to ensure reliability, stability and reliability of the battery cell 103. The housing 101 may take a variety of configurations, and in some embodiments, the housing 101 includes a plurality of shell portions that are removably mated. By dividing the housing 101 into a plurality of housing portions which are detachably engaged, the assembly and use of the housing 101 are facilitated, and the loading and unloading of the mounting frame 102 and the battery cell 103 are also facilitated, so that the assembly and disassembly efficiency can be improved.

Illustratively, the housing 101 may include two shell portions, specifically a first portion and a second portion, which are mutually overlapped, snapped or otherwise stably mated to define a space for receiving the battery cells 103 and the mounting bracket 102. Meanwhile, the first portion and the second portion may be various shapes, such as a rectangular parallelepiped, a cylinder, and the like. The first part may be a hollow structure with one side opened, and the second part may be a hollow structure with one side opened, and the open side of the second part is closed to the open side of the first part, so that the housing 101 having the accommodating space is formed. The first portion may be a hollow structure with one side open, the second portion may be a plate-like structure, and the second portion may be covered on the open side of the first portion to form the housing 101 having the accommodation space. The first and second portions may be sealed by a sealing element, which may be a gasket, sealant, or the like.

Still further exemplary, in this embodiment, referring to fig. 2 and 3, the housing 101 may further include a first housing portion 1011, a second housing portion 1012, and a third housing portion 1013, where two ends of the second housing portion 1012 have openings 1014, and the first housing portion 1011 and the third housing portion 1013 are detachably engaged with two ends of the second housing portion 1012 to close the openings 1014 at corresponding positions, and may be detachably connected by plugging, bolting, fastening, or the like. The shell 101 is split into three parts, so that when the battery cell 103 is installed, the first shell part 1011 and the second shell part 1012 can be matched, then the battery cell 103 is installed in the shell 101 through the installation frame 102, and sealing is realized through the matching of the third shell part 1013 and the second shell part 1012, so that the convenience and reliability of the installation of the battery cell 103 can be improved.

The shapes of the first, second and third shell portions 1011, 1012 and 1013 may be adjusted and selected according to the need, for example, the second shell portion 1012 may be provided in a cylindrical structure, and the first and third shell portions 1011, 1013 may be in a plate-like structure. For another example, the first and third housing portions 1011 and 1013 may each be provided in a semi-closed structure to close the opening 1014, so that the sealability of the housing 101 can be ensured, and the present embodiment is not limited.

Referring to fig. 2 to 5 again, in the present embodiment, the number of the battery cells 103 may be one or more. If the number of the battery cells 103 is plural, the plurality of battery cells 103 may be connected in series or parallel or a series-parallel connection, and the series-parallel connection refers to that the plurality of battery cells 103 are connected in series or parallel. The plurality of battery cells 103 may be connected in series or parallel or in series-parallel to form a battery 10 module, and the plurality of battery 10 modules are connected in series or parallel or in series-parallel to form a whole and are accommodated in the housing 101. All the battery cells 103 may be directly connected in series, parallel or series-parallel, and then the whole body formed by all the battery cells 103 is accommodated in the housing 101.

Illustratively, in the present embodiment, the battery cell 103 may be a cylinder, a flat body, a rectangular parallelepiped, a prismatic shape, or other shapes, for example, a cylinder may be selected, and the cylinder will be exemplified. The number of the battery cells 103 is plural, and the positive electrode terminal 1031 and the negative electrode terminal 1032 of each battery cell 103 may be disposed at the end of the battery cell 103 or at the side of the battery cell 103, where the positive electrode terminal 1031 and the negative electrode terminal 1032 are disposed at two ends of the battery cell 103, and the liquid injection hole 1033 and the explosion-proof valve 1034 are disposed at two ends of the battery cell 103, for example, the negative electrode terminal 1032 and the explosion-proof valve 1034 are disposed at one end of the battery cell 103, and the liquid injection hole 1033 and the positive electrode terminal 1031 are disposed at the other end of the battery cell 103.

Meanwhile, fig. 6 is a schematic diagram of a part of a battery according to some embodiments of the present application; fig. 7 is a schematic structural diagram of a first frame of a battery according to some embodiments of the present application; fig. 8 is a schematic structural diagram of a first frame of a battery according to some embodiments of the present application. Referring to fig. 6 to 8, in the present embodiment, the battery 10 further includes a bus bar, the bus bar includes a plurality of bus bars 105, the plurality of bus bars 105 are all disposed on the housing 101 and are respectively disposed near two ends of the battery cells 103, and the plurality of battery cells 103 can be electrically connected through the plurality of bus bars 105, so as to realize serial connection, parallel connection or series-parallel connection of the plurality of battery cells 103. The bus bar may be a metal conductor such as copper, iron, aluminum, stainless steel, aluminum alloy, or the like. The battery 10 further includes a charge-discharge seat 104, where the charge-discharge seat 104 may be disposed on the housing 101, and the charge-discharge seat 104 is electrically connected to the positive and negative electrodes of the plurality of battery cells 103 through two output members (not shown), where the output members may be output tabs, and the connection manner of the two may be direct welding through the output tabs, and the output members may also be output wires, and the connection manner of the two may be direct wire connection. The output of the electric quantity after the electric connection of the plurality of battery cells 103 can be realized, and the charging of the plurality of batteries 10 after the electric connection can be realized, so that the charging and discharging operation of the batteries 10 can be ensured, no matter the connection of the output tabs or the connection of the output leads. Illustratively, the charge-discharge seat 104 has a positive electrode interface and a negative electrode interface, the positive electrode interface is electrically connected with the positive electrodes of the plurality of battery cells 103 through a positive electrode output tab, and the negative electrode interface is electrically connected with the negative electrodes of the plurality of battery cells 103 through a negative electrode output tab, so as to ensure the normal operation of the charge-discharge operation of the battery 10.

That is, when the number of the battery cells 103 is plural, the serial connection, parallel connection or mixed connection of the plural battery cells 103 is facilitated by the arrangement of the bus bars, and the input and output of the electric quantity of the plural battery cells 103 are facilitated by the arrangement of the charge-discharge seat 104, so that the charge-discharge operation of the battery 10 can be ensured; meanwhile, since the bus bars and the charge/discharge seats 104 are provided in the case 101, the compactness and integration of the battery 10 can be improved, and the energy density of the battery 10 can be further improved.

In the present embodiment, based on the number of bus bars 105 being plural, some bus bars 105 among the plurality of bus bars 105 may be provided in the first housing portion 1011, and some bus bars 105 may be provided in the third housing portion 1013. Meanwhile, the fitting manner of the bus bar 105 and the first and third shell portions 1011 and 1013 may be specifically selected to be detachable, and illustratively, a socket 108 may be formed on one of the bus bar 105 and the corresponding shell portion, the socket 108 may be in a semi-open circular arc hole shape, may be in a closed hole shape, may be in a "C" groove shape, or the like, and a socket 109 may be correspondingly formed on the other of the two, and the shape of the socket 109 may be adapted to the shape of the socket 108, so that the socket 109 may be in socket fit with the socket 108, thereby enabling the bus bar 105 to be firmly fixed on the corresponding shell portion.

It should be further noted that, for convenience of maintenance, the charge and discharge seat 104 may be detachably disposed with the housing 101, for example, a mounting groove 1016 may be formed in the housing 101, an inner circumferential dimension of the mounting groove 1016 is adapted to an outer circumferential dimension of the charge and discharge seat 104, for example, a mounting groove 1016 adapted to a shape of the charge and discharge seat 104 may be formed in the first shell portion 1011, so that the charge and discharge seat 104 is inserted into the mounting groove 1016, that is, at least a portion of the charge and discharge seat 104 is accommodated in the mounting groove 1016. Meanwhile, the mounting groove 1016 has an opening (not shown) through which the positive and negative electrode interfaces of the charge and discharge receptacle 104 can be exposed, the opening being capable of communicating to the outside of the battery 10. Through setting up mounting groove 1016 on casing 101, can improve the steadiness of charge-discharge seat 104, and through seting up the opening on mounting groove 1016, can be convenient for charge-discharge seat 104's positive electrode interface and negative electrode interface expose to external consumer or other battery 10 guarantee the normal clear of charge-discharge operation.

Referring to fig. 2 to 8 again, in the present embodiment, the mounting frame 102 is disposed in the housing 101. And, the mounting frame 102 is configured to be energized to generate heat to heat the battery cells 103. On one hand, the mounting frame 102 can heat the battery monomer 103 by self-generating heat when being electrified, the heating rate is high, the temperature rise rate of the battery monomer 103 under the low-temperature working condition can be ensured, the reliability of the battery 10 is ensured, and the use experience of a user is improved; on the other hand, the mounting frame 102 not only serves as a heating structure of the battery cell 103 but also serves as a mounting structure of the battery cell 103, so that the battery 10 is more compact and reliable in structure, lower in cost, simpler in process and higher in energy density.

In detail, fig. 9 is a schematic diagram showing a partial structure of a battery 10 according to some embodiments of the present application; fig. 10 is a schematic structural view of a second frame 1022 of the battery 10 according to some embodiments of the present application; fig. 11 is a partial enlarged view at I of fig. 10. Referring to fig. 6 to 10, in the present embodiment, the mounting frame 102 includes a plurality of frames disposed at intervals, the plurality of frames are detachably disposed in the housing 101, the plurality of frames jointly mount the battery unit 103, and each frame is electrically connected with the charge-discharge base 104, so that each frame is configured to heat the battery unit 103 when being electrified. The power on of the frame body is carried out through the charging and discharging circuit of the battery 10, so that the cost can be saved, the structure of the battery 10 is more compact and reliable, and the reliability of the battery 10 can be further improved. Meanwhile, the plurality of frame bodies arranged at intervals heat the battery cell 103, so that the heating rate of the battery cell 103 can be improved, the temperature rise rate of the battery cell 103 can be improved, the reliability of the battery 10 can be improved, the stability of the battery cell 103 can be ensured, and the reliability of the battery cell 103 and the reliability of the battery 10 can be further improved.

In more detail, the mounting frame 102 includes a first frame 1021 and a second frame 1022 which are disposed opposite to each other and at intervals, the first frame 1021 and the second frame 1022 are electrically connected to the charge-discharge base 104, the first frame 1021 is detachably engaged with the first housing portion 1011, and the second frame 1022 is detachably engaged with the second housing portion 1012. The detachable matching mode can be splicing, bolt fastening connection, buckle fastening connection and the like. The first frame 1021 and the second frame 1022 are respectively used for installing two ends of the battery cell 103 so as to jointly heat the battery cell 103 from the two ends of the battery cell 103.

On the one hand, through such setting, do benefit to when installing battery cell 103, can be earlier with first shell portion 1011 and first support body 1021 cooperation, then with the whole and the second shell portion 1012 cooperation after the two cooperation, then pack into casing 101 with battery cell 103 to with second support body 1022 cooperation, finally realize sealedly and fixedly through the cooperation of third shell portion 1013 and second shell portion 1012, and the cooperation of third casing 101 and second support body 1022, can improve convenience and the reliability of battery cell 103 installation. On the other hand, the first frame 1021 and the second frame 1022 heat the battery cell 103 from two ends, so that the heating rate of the battery cell 103 can be quickly improved on the premise of saving cost, the heating time and the heating cost can be saved, the reliability of the battery 10 can be improved, and the use experience of a user can be improved; meanwhile, the first frame 1021 and the second frame 1022 are located at two ends of the battery cell 103, so that the battery cell 103 can be stabilized from the two ends, and the battery cell 103 is prevented from moving, so that the reliability of the battery 10 is effectively improved on the premise of saving cost.

In this embodiment, the charge-discharge socket 104 further has a heating positive interface and a heating negative interface. The first frame 1021 is made of a heat conductive metal material, such as an aluminum material or an aluminum alloy material, and the first frame 1021 is connected with the heating positive interface and the heating negative interface through two conductive wire bundles 106 respectively to form a current loop, so that the first frame 1021 can generate heat to heat the battery cell 103 when being electrified. The second frame 1022 is also made of a heat conductive metal, such as an aluminum material or an aluminum alloy material, and the second frame 1022 is connected to the heating positive interface and the heating negative interface through two conductive wires 106, so as to form another current loop, so that the second frame 1022 can generate heat to heat the battery unit 103 when powered on.

In one aspect, the plurality of frames are electrically connected to the remaining charge-discharge sockets 104 through the conductive wire harness 106. Illustratively, the first frame 1021 and the second frame 1022 are electrically connected to the charge-discharge seat 104 through the conductive wire harness 106, so that the positional relationship among the first frame 1021, the second frame 1022 and the charge-discharge seat 104 is more flexible, and the first frame 1021, the second frame 1022 and the charge-discharge seat 104 can be more suitable for different battery cells 103, and the adaptability and the reliability of the battery 10 can be improved; on the other hand, the first frame 1021 and the second frame 1022 are respectively electrically connected with the charge-discharge seat 104 through the wire harness, and are connected in parallel, when any one of the first frame 1021 and the second frame 1022 is damaged and cannot generate heat, the other can be used for heating, so that the occurrence of the condition that the battery cell 103 cannot be heated can be reduced or avoided, and the reliability of the battery 10 is further improved. In addition, the material of the mounting frame 102 is set to be a heat-conducting metal material, so that the mounting frame 102 can conveniently generate heat under the condition of electrification to heat the battery cell 103, the heating efficiency can be improved, meanwhile, the heat-conducting metal material can omit the use of heating structures such as heating plates, the problem that the battery cell 103 is influenced by curling and warping possibly brought by the use of the heating structures such as the heating plates is reduced, the structure of the battery 10 is more compact and reliable, the cost is saved, and the energy density of the battery 10 is also higher.

Of course, in other embodiments, the first frame 1021 and the second frame 1022 may not be made of a heat conductive metal, for example, the first frame 1021 and the second frame 1022 may each include a frame body and a heating member disposed on a surface of the frame body, the heating member is electrically connected to the charge/discharge seat 104 through a wire, and the heating member is attached to the battery cell 103 to heat the battery cell 103. When the mounting frame 102 is provided in a structure in which the frame body and the heating member are combined, the mounting frame 102 can use a non-conductive material, so that the cost is low, the size of the heating member is small, the cost is relatively low, and the cost of the battery 10 can be reduced.

It should be further noted that, the battery 10 may further set a sampling harness 107 according to the requirement, a sampling output interface may be set on the charging and discharging seat 104, one end of the sampling harness 107 is connected with the battery unit 103 for sampling temperature or pressure, and the other end is electrically connected with the sampling output interface, so as to output a sampling result, so as to further improve the reliability of the battery 10.

Meanwhile, the binding member 1023 is arranged on the mounting frame 102, the binding member 1023 is used for binding the conductive wire harness 106, the binding member 1023 can be a binding wire or a binding buckle, and can be in a shape of 'C' or ring, and has a binding space through which the conductive wire harness 106 and the sampling wire harness 107 can pass to be bound. Through setting up of tightening piece 1023 can stabilize wire pencil and sampling pencil 107, reduce or avoid potential safety hazards such as short circuit that wire pencil and battery cell 103 utmost point post contact lock brought, can improve the reliability of battery 10, reduce sampling pencil 107 rock the sampling inaccuracy that causes, unable sampling scheduling problem, further improve the reliability of battery 10.

In addition, it should be noted that, at least the outer side of the portion of the mounting frame 102 contacting the battery cell 103 is provided with an insulating layer, and for example, the insulating layer may be provided at a position where the whole first frame 1021 and the second frame 1022 are required to be electrically connected, the insulating layer may be formed by anodic oxidation of the surface of the aluminum material, or an insulating material may be provided in a bonding manner. By arranging the insulating layer at the contact part of the mounting frame 102 and the battery cell 103, normal operation of heating operation can be ensured, insulation between the battery cell and the electric cell can be realized, insulation between the battery cell and other electric components can be realized, and the reliability of the battery 10 can be further improved.

Referring to fig. 4 to 11, in order to realize the disassembly and assembly of the housing 101 and the mounting frame 102, in this embodiment, one of the housing 101 and the mounting frame 102 is provided with a limit groove 1027, the other of the housing 101 and the mounting frame 102 is provided with a limit post 1015, the limit groove 1027 is in plug-in fit with the limit post 1015, the limit groove 1027 may be an annular groove, or may be a "C" groove, or may be a square groove, and the outer dimension of the limit post 1015 is adapted to the inner dimension of the limit groove 1027. Illustratively, in the present embodiment, the circumferential edges of the first shell portion 1011 and the third shell portion 1013 are provided with arc-shaped columnar limiting columns 1015, and corresponding positions of the first frame body 1021 and the second frame body 1022 are provided with a plurality of limiting grooves 1027 recessed inwards to form a plurality of C-shaped limiting grooves 1027, and the plurality of limiting grooves 1027 are circumferentially spaced, and the plurality of limiting columns 1015 and the plurality of limiting grooves 1027 are in one-to-one plug-in fit, so as to fully improve the stability of the mounting frame 102. That is, the relative stability of the mounting frame 102 and the housing 101 is realized through the cooperation of the limiting groove 1027 and the limiting post 1015, which is convenient for both the mounting and the improvement of the reliability of the mounting frame 102, so as to further improve the reliability of the heating operation, and the reliability of the battery cell 103, so as to fully improve the reliability and stability of the battery 10.

Of course, in this embodiment, mounting holes (not shown) may be correspondingly formed in the housing 101 and the mounting frame 102, and the battery 10 may further include a fastener, which may be a bolt, and the fastener passes through the two mounting holes to fasten the mounting frame 102 and the housing 101. The mounting frame 102 and the housing 101 are fastened and connected by the fastener, so that the stability of the mounting frame 102 can be sufficiently ensured, and the reliability of the battery cell 103 and the battery 10 can be further improved.

Referring to fig. 4 to 8 again, in order to ensure that the mounting frame 102 can mount the battery cell 103 and heat the battery cell 103, in this embodiment, a receiving slot 1028 adapted to the shape of the battery cell 103 may be formed in the mounting frame 102, so that at least a portion of the battery cell 103 is received in the receiving slot 1028, is inserted into the receiving slot 1028, and is attached to the slot wall of the receiving slot 1028. Illustratively, the battery cell 103 is cylindrical, the receiving groove 1028 may be configured as an annular groove, the battery cell 103 is square, and the receiving groove 1028 may be configured as a square groove. By forming the accommodating groove 1028 on the mounting frame 102, at least part of the battery unit 103 can be accommodated in the accommodating groove 1028, so that the heat exchange area between the battery unit 103 and the mounting frame 102 is large, the heating efficiency can be ensured, and the reliability of the battery 10 can be improved; meanwhile, the contact area between the battery cell 103 and the mounting frame 102 is large, so that stability of the battery cell 103 is guaranteed, and reliability of the battery 10 is further improved.

In detail, the first frame body 1021 and the second frame body 1022 respectively provide a receiving slot 1028 corresponding to each battery cell 103, and the receiving slots 1028 are adapted to the shapes of the battery cells 103, so that each battery cell 103 is plugged with the corresponding two receiving slots 1028. The battery cell 103 is stabilized from two ends through the first frame body 1021 and the second frame body 1022, the battery cell 103 can be stabilized from two ends, and the battery cell 103 is prevented from moving, so that the stability of the battery cell 103 can be effectively improved on the premise of saving cost, and the reliability of the battery 10 is improved.

Alternatively, in this embodiment, the bottom of each receiving slot 1028 is provided with a first exposing hole 1024, and the shape of the first exposing hole 1024 can be adapted to the shape of the positive electrode terminal 1031 and the negative electrode terminal 1032, so as to expose the positive electrode terminal 1031 or the negative electrode terminal 1032 of the corresponding battery cell 103, so that the bus bar can electrically connect the respective battery cells 103. That is, when the number of the battery cells 103 is plural, the positive electrode terminal 1031 and the negative electrode terminal 1032 are exposed, so that the battery cells 103 can be connected in series and/or in parallel in cooperation with the bus bar, thereby facilitating the input and output of the electric power of the plural battery cells 103 and ensuring the charge and discharge operation of the battery 10. Meanwhile, by providing this, the bus bar 105 is also easily provided to the first and third case portions 1011 and 1013, the compactness and integration of the battery 10 can be improved, and the energy density of the battery 10 can be further improved.

Further alternatively, in the present embodiment, the bottom of each receiving groove 1028 is perforated with a second exposing hole 1025, the shape of the second exposing hole 1025 is adapted to the shape of the explosion-proof valve 1034, the second exposing hole 1025 is used to expose the explosion-proof valve 1034 of the corresponding battery cell 103, the safety valve 10132 is provided on any one of the first, second and third casing parts 1011, 1012 and 1013, and the safety valve 10132 may be provided on the third casing part 1013, for example, to enable pressure relief, prevent and reduce thermal runaway from diffusing to other batteries 10. The explosion-proof valve 1034 is exposed through the second exposing hole 1025, so that the pressure relief and explosion prevention of the battery cell 103 are realized, and the reliability of the battery 10 is improved.

Fig. 12 is a schematic structural view of the third casing 1013 of the battery 10 provided in some embodiments of the present application. Referring to fig. 2 and 10, in the present embodiment, a handle 10131 may be further disposed on at least one of the first housing portion 1011, the second housing portion 1012 and the third housing portion 1013 according to the requirement, and for example, the handle 10131 may be disposed on the third housing portion 1013, and the handle 10131 is in a shape of "C" so as to be convenient for a person to hold, so as to realize the carrying and mounting of the battery 10, thereby improving the working efficiency.

Referring again to fig. 1-12, in accordance with some embodiments of the present application, the present application preferably provides a battery 10. The battery 10 includes a housing 101, a mounting frame 102, and a plurality of battery cells 103 disposed within the housing 101 by the mounting frame 102. The housing 101 further includes a first housing portion 1011, a second housing portion 1012, and a third housing portion 1013, both ends of the second housing portion 1012 having openings 1014, the first housing portion 1011 and the third housing portion 1013 being detachably mated with both ends of the second housing portion 1012, respectively, to close the openings 1014 in the corresponding positions. The bus bar 105 is disposed on one side of the first shell portion 1011 near the third shell portion 1013 and one side of the third shell portion 1013 near the first shell portion 1011, and the first shell portion 1011 is provided with a mounting groove 1016, and the mounting groove 1016 is provided with a charging/discharging seat 104 in a plug-in manner.

The mounting frame 102 includes a first frame 1021 and a second frame 1022 that are opposite and disposed at intervals, the first frame 1021 and the second frame 1022 are electrically connected to the heating interface of the charge-discharge base 104, the first frame 1021 is detachably matched with the first shell 1011, and the second frame 1022 is detachably matched with the second shell 1012. The first frame 1021 is provided with a plurality of holding grooves 1028, the second frame 1022 is correspondingly provided with a plurality of holding grooves 1028 with the same number and the same position, and every two corresponding holding grooves 1028 are respectively spliced with two ends of one battery cell 103 and are attached to the periphery of the battery cell 103. The bottom of each accommodating groove 1028 is provided with a first exposing hole 1024 and a second exposing hole 1025, the positive terminal 1031 or the negative terminal 1032 of each battery cell 103 can be exposed through the first exposing hole 1024, and the explosion-proof valve 1034 can be exposed through the second exposing hole 1025. The positive electrode terminal 1031 and the negative electrode terminal 1032 exposed from the plurality of battery cells 103 are electrically connected by the plurality of bus bars 105, and the positive electrode and the negative electrode after the plurality of battery cells 103 are electrically connected to the positive electrode interface and the negative electrode interface of the charge/discharge base 104, respectively. Meanwhile, the materials of the first frame 1021 and the second frame 1022 are heat conductive metal materials, and can generate heat to heat the battery cells 103 at corresponding positions after being electrified.

In the above scheme, on one hand, the mounting frame 102 can heat the battery cell 103 by self-generating heat when being electrified, the heating rate is high, the temperature rise rate of the battery cell 103 under the low-temperature working condition can be ensured, the reliability of the battery 10 is ensured, and the use experience of a user is improved; on the other hand, the mounting frame 102 not only serves as a heating structure of the battery cell 103 but also serves as a mounting structure of the battery cell 103, so that the battery 10 is more compact and reliable in structure, lower in cost, simpler in process and higher in energy density.

An embodiment of the present application provides an electric device, including the battery 10 provided in any one of the embodiments above. The powered device may be any of the devices described above that employ battery 10. Since the powered device includes the battery 10 described above. Therefore, the electric equipment also has the advantage of high reliability.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

The above embodiments are only for illustrating the technical solution of the present application, and are not intended to limit the present application, and various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A battery, comprising:

a housing;

the mounting frame is arranged in the shell;

the battery unit is arranged in the shell through the mounting frame;

wherein the mounting bracket is configured to be energized to generate heat to heat the battery cells.

2. The battery according to claim 1, wherein:

the mounting frame comprises a plurality of frame bodies which are arranged at intervals, and the plurality of frame bodies are used for jointly mounting the battery cells; each of the shelves is configured to heat the battery cells upon power-up.

3. The battery according to claim 2, wherein:

the battery comprises a charge-discharge seat, the charge-discharge seat is electrically connected with the battery unit, and the battery is charged and discharged through the charge-discharge seat; each frame body is electrically connected with the charging and discharging seat.

4. A battery according to claim 3, wherein:

the mounting frame comprises a first frame body and a second frame body which are opposite and are arranged at intervals, the first frame body and the second frame body are electrically connected with the charge and discharge seat, and the first frame body and the second frame body are respectively used for mounting two ends of the battery monomer so as to jointly heat the battery monomer from the two ends of the battery monomer.

5. A battery according to claim 3, wherein:

each frame body is electrically connected with the charge-discharge seat through a conductive wire harness.

6. The battery according to claim 5, wherein:

the mounting frame is provided with a binding piece, and the binding piece is used for binding the conductive wire harness.

7. A battery according to claim 3, wherein:

the shell is provided with a mounting groove, the charging and discharging seat is spliced with the mounting groove, and at least part of the charging and discharging seat is accommodated in the mounting groove.

8. The battery according to any one of claims 1 to 7, characterized in that:

the mounting frame is made of heat-conducting metal; or, the mounting frame comprises a frame body and a heating piece arranged on the surface of the frame body, and the heating piece is attached to the battery monomer.

9. The battery according to any one of claims 1 to 7, characterized in that:

and an insulating layer is arranged on the outer side of at least the part, which is contacted with the battery unit, of the mounting frame.

10. The battery according to any one of claims 1 to 7, characterized in that:

the mounting frame is provided with a containing groove, at least part of the battery monomer is contained in the containing groove, is spliced with the containing groove and is attached to the groove wall of the containing groove.

11. The battery according to claim 10, wherein:

the mounting frame comprises a first frame body and a second frame body which are opposite and spaced, the first frame body and the second frame body are respectively correspondingly provided with a containing groove, and two ends of the battery cell are respectively inserted into the two containing grooves.

12. The battery of claim 11, wherein:

the battery comprises a plurality of battery monomers, wherein each of the first frame body and the second frame body is provided with one accommodating groove respectively corresponding to each battery monomer, and each battery monomer is spliced with the corresponding two accommodating grooves;

the bottom of each containing groove is provided with a first exposing hole in a penetrating way, and the first exposing holes are used for exposing the positive electrode terminal or the negative electrode terminal of the corresponding battery cell; the battery also comprises a bus bar and a charging and discharging seat, wherein the bus bar is arranged on the shell, the bus bar is electrically connected with the positive electrode terminal and the negative electrode terminal of each battery cell, and the charging and discharging seat is electrically connected with the bus bar.

13. The battery according to claim 12, wherein:

the tank bottom of each containing tank is penetrated and provided with a second exposing hole which is used for exposing the corresponding explosion-proof valve of the battery cell.

14. The battery according to any one of claims 1 to 7, characterized in that:

one of the shell and the mounting frame is provided with a limit groove, the other one of the shell and the mounting frame is provided with a limit column, and the limit groove is in plug-in fit with the limit column; and/or the shell and the mounting frame are correspondingly provided with mounting holes, the battery further comprises a fastener, and the fastener passes through the two mounting holes to be fastened and connected with the mounting frame and the shell.

15. The battery according to any one of claims 1 to 7, characterized in that:

the housing includes a plurality of shell portions that are removably mated.

16. The battery of claim 15, wherein:

the shell comprises a first shell part, a second shell part and a third shell part, wherein two ends of the second shell part are provided with openings, and the first shell part and the third shell part are respectively detachably matched with two ends of the second shell part so as to close the openings at corresponding positions.

17. The battery of claim 16, wherein:

the mounting frame comprises a first frame body and a second frame body which are opposite and spaced, the first frame body and the second frame body are respectively used for mounting two ends of the battery cell, the first frame body is detachably matched with the first shell part, and the second frame body is detachably matched with the second shell part.

18. A powered device comprising a battery as claimed in any one of claims 1 to 17.