Battery and electric device

Abstract

The invention relates to the technical field of batteries, in particular to a battery and an electric device. The battery comprises a shell, a pole group, a supporting frame and a fixing sleeve, the pole group comprises at least two pole group split bodies arranged in the first direction, the supporting frame is provided with a containing cavity, the pole group is located in the containing cavity, the supporting frame is sleeved with the fixing sleeve, the fixing sleeve is located at the joint of every two adjacent pole group split bodies, and the fixing sleeve is located in the shell. The supporting frame is in contact with the shell, so that the pole group is prevented from colliding with the shell when entering the shell, and the pole group is prevented from being damaged; the pole group is divided into the two pole group split bodies, so that bending deformation of the pole group is avoided; by arranging the fixing sleeve, the pole group split bodies can be prevented from shaking in the accommodating cavity, so that the structural stability of the battery is improved, the joint of the tabs of the two adjacent pole group split bodies is prevented from being torn and broken, and the service life of the battery is prolonged. The battery is applied to the electric device, so that the cruising ability and the safety performance of the electric device are improved, and the service life of the electric device is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of batteries, and in particular to a battery and an electrical device. Background Art

[0002] Batteries are widely used in electronic devices such as mobile phones, laptops, electric vehicles, electric airplanes, electric boats, electric toy cars, electric toy boats, electric toy airplanes and power tools, etc.

[0003] In the development of battery technology, in order to improve the space utilization of batteries, current batteries are developing in the direction of lengthening the electrode group. When the electrode group is lengthened, it often bends and deforms due to its strength problem, and the electrode sheet will have defects such as wrinkles, deformation, layer crossover, and fracture, resulting in a reduction in yield.

[0004] In order to solve the above technical problems, some batteries are also provided in the related art. The electrode group is arranged into multiple electrode group components connected in series inside the battery shell, and the pole ears of two adjacent electrode group components are welded and connected. However, after the electrode group is divided into multiple electrode group components, the difficulty of inserting the electrode group into the shell also increases. The electrode group is easily damaged by collision with the shell during the shell insertion process, and the electrode group is difficult to enter the shell. In addition, the electrode group will shake in the shell during use of the battery, which will cause the connection between the pole ears of two adjacent electrode group components to be easily torn and broken, resulting in damage and failure of the battery.

[0005] Therefore, there is an urgent need for a battery and an electrical device to solve the above problems. Summary of the Invention

[0006] The present invention aims to solve or at least alleviate some or all of the above-mentioned problems. To this end, the present invention provides a battery and electrical device that can prevent damage to the electrode assembly when it is inserted into the battery case, while also shortening the length of individual electrode assembly components to prevent bending and deformation caused by excessive length. Furthermore, the electrode assembly can be secured by a support frame and a fixing sleeve to prevent damage to the connection between the tabs of adjacent electrode assembly components.

[0007] To achieve the above objectives, the following technical solutions are provided:

[0008] A battery comprising:

[0009] case;

[0010] a pole group, comprising at least two pole group members arranged along a first direction;

[0011] A support frame, the support frame having a receiving cavity, the electrode group being located in the receiving cavity;

[0012] A fixing sleeve is sleeved on the supporting frame, the fixing sleeve is located at the connection between two adjacent pole group components, and the fixing sleeve is located in the shell.

[0013] As an optional solution for providing a point battery in the present invention, the support frame includes two first side panels arranged along the first direction and two second side panels arranged along the second direction, the first side panels and the second side panels are connected end to end in sequence to form the accommodating cavity, and the first direction is set at an angle to the second direction.

[0014] As an optional solution for providing a point battery according to the present invention, the second side plate includes:

[0015] a connecting portion connected to the first side panel;

[0016] The supporting portion is connected to the connecting portion and is located at the connection between two adjacent pole group components. The fixing sleeve is detachably connected to the supporting portion.

[0017] As an optional solution for providing a dot battery in the present invention, a dimension of the support portion in the third direction is greater than a dimension of the connection portion in the third direction, and the first direction and the third direction are arranged at an angle.

[0018] As an optional solution for providing a point battery in the present invention, one of the fixing sleeve and the supporting frame is provided with a slot, and the other is provided with a protrusion, and the protrusion is plugged into and matched with the slot.

[0019] As an optional solution for providing a point battery in the present invention, the fixing sleeve includes:

[0020] a first split body, wherein at least one first plug-in portion is provided on the first split body;

[0021] The second split body is provided with at least one second plug-in portion, the first plug-in portion and the second plug-in portion are provided in a one-to-one correspondence and can be detachably connected.

[0022] As an optional solution of the present invention, the first plug-in portion is a plug-in block, which is formed by extending from the end of the first split body, and the second plug-in portion is a plug-in notch, which is formed by an inward concave end surface of the second split body, and the plug-in block can extend into the plug-in notch;

[0023] Alternatively, the first split body and the second split body are nested, the first plug-in portion is a latching hole, the second plug-in portion is a latching protrusion, and the latching protrusion can be latched in the latching hole.

[0024] As an optional solution for providing a point battery in the present invention, the battery further includes an end cover, one of the end cover and the support frame is provided with a positioning piece, and the other is provided with a positioning hole, and the positioning piece is plugged into and fitted with the positioning hole.

[0025] As an optional solution for providing a dot battery in the present invention, one of two adjacent pole group components has a groove on one side facing each other, and the pole ears of the two adjacent pole group components are arranged in the groove.

[0026] An electric device includes an electric device body, and the electric device also includes the above-mentioned battery, wherein the battery is configured to supply power to the electric device body.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The battery provided by the present invention is configured such that a pole group is arranged in a receiving cavity, that is, a support frame is provided on all sides of the pole group. When the pole group is inserted into a shell, the support frame contacts the shell, thereby preventing the pole group from directly contacting the shell, thereby preventing the pole group from colliding with the shell when entering the shell, and thereby preventing damage to the pole group. The pole group is divided into two pole group components so as to shorten the length of a single pole group component, thereby preventing the pole group from bending and deforming, and preventing the pole sheets from wrinkling, deforming, layer-crossing, and breaking. A fixing sleeve is provided at the connection between two adjacent pole group components, and the fixing sleeve is sleeved on the support frame, thereby preventing the pole group components from shaking in the receiving cavity, thereby improving the structural stability of the battery, preventing the connection between the pole ears of two adjacent pole group components from being torn and broken, and extending the service life of the battery.

[0029] The electric device provided by the present invention has high safety and service life by applying the above-mentioned battery, and at the same time has a battery capacity with high safety and a high voltage, thereby improving the endurance and safety performance of the electric device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in describing the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without any creative work.

[0031] Figure 1 An exploded view of a battery provided in Example 1 of the present invention;

[0032] Figure 2 A schematic structural diagram of a support frame and pole group provided in the first embodiment of the present invention;

[0033] Figure 3 A schematic structural diagram of a support frame and a fixing sleeve provided in the first embodiment of the present invention;

[0034] Figure 4 A schematic structural diagram of a support frame provided in Embodiment 1 of the present invention;

[0035] Figure 5 A schematic structural diagram of a fixing sleeve provided in the first embodiment of the present invention;

[0036] Figure 6 An exploded view of a battery provided in Example 2 of the present invention;

[0037] Figure 7 A schematic structural diagram of the first split body and the supporting frame provided in the second embodiment of the present invention;

[0038] Figure 8 An exploded view of the support frame provided in the second embodiment of the present invention;

[0039] Figure 9 A schematic structural diagram of an end cap provided in the second embodiment of the present invention;

[0040] Figure 10 This is a schematic structural diagram of a vehicle provided in Example 3 of the present invention.

[0041] Reference numerals:

[0042] 1000, vehicle;

[0043] 100. Battery;

[0044] 10. Shell; 11. First explosion-proof hole;

[0045] 20. End cover; 2001. Second explosion-proof hole; 21. Cover plate; 22. Positioning piece;

[0046] 30. Pole group; 31. Pole group separation; 311. Pole ear; 312. Groove;

[0047] 40. Insulating film;

[0048] 50. Support frame; 5001. Accommodating cavity; 51. First side panel; 5101. Split cavity; 511. Through hole; 512. Positioning hole; 52. Second side panel; 521. Connecting portion; 522. Supporting portion; 5221. Slot; 53. Partition; 531. Through hole;

[0049] 60, fixing sleeve; 6001, protrusion; 61, first split body; 611, plug-in block; 62, second split body; 621, plug-in notch;

[0050] 200. Controller; 300. Motor. DETAILED DESCRIPTION

[0051] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0052] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0053] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0054] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0055] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0056] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0057] Example 1

[0058] like Figure 1 As shown, this embodiment provides a battery 100, which includes a housing 10 and an electrode group 30. The electrode group 30 is disposed within the housing 10, and the housing 10 is used to support and protect the electrode group 30. The housing 10 can be made of plastic or metal. When the housing 10 is made of metal, it has better heat dissipation performance and higher strength, and can also provide support.

[0059] In this embodiment, the housing 10 has openings at both ends along the first direction. The battery 100 also includes two end caps 20, which are respectively positioned to cover the corresponding openings. The electrode assembly 30 is connected to the end caps 20, which are then connected to the main body of an external electrical device, thereby enabling the battery 100 to supply power to the main body of the electrical device. Of course, in other embodiments, the number of end caps 20 can be one, and the housing 10 has only one opening, which is then covered by the end cap 20. In this embodiment, the first direction is the longitudinal direction of the housing 10.

[0060] In the development of battery technology, in order to improve the space utilization of batteries, current batteries are developing in the direction of lengthening the electrode group. When the electrode group is lengthened, the electrode group often bends and deforms due to its strength problem, and the electrode sheet will have defects such as wrinkles, deformation, layer cross-linking, and fracture, resulting in reduced yield. In order to solve the above technical problems, some batteries are also provided in the related art. By setting the electrode group into multiple series-connected electrode group components inside the battery shell, the pole ears of two adjacent pole group components are welded together. However, after the electrode group is divided into multiple pole group components, the difficulty of inserting the pole group into the shell also increases. The pole group is easily damaged by collision with the shell during the shell insertion process, making it difficult for the pole group to enter the shell; in addition, the pole group will shake in the shell during use, which will cause the connection between the pole ears of two adjacent pole group components to be easily torn and broken, resulting in battery damage and failure.

[0061] In order to solve the above problems, Figure 1-Figure 3 As shown, the battery 100 provided in this embodiment also includes a support frame 50 and a fixing sleeve 60, the pole group 30 includes at least two pole group components 31 arranged along the first direction, the support frame 50 has a accommodating cavity 5001, the pole group 30 is located in the accommodating cavity 5001, the fixing sleeve 60 is sleeved on the support frame 50, the fixing sleeve 60 is located at the connection between two adjacent pole group components 31, and the fixing sleeve 60 is located in the shell 10.

[0062] By arranging the electrode group 30 in the accommodating cavity 5001, that is, supporting frames 50 are arranged on the four sides of the electrode group 30, when the electrode group 30 enters the shell, the supporting frame 50 contacts the shell 10, thereby preventing the electrode group 30 from directly contacting the shell 10, thereby preventing the electrode group 30 from colliding with the shell 10 when entering the shell, and preventing damage to the electrode group 30; by dividing the electrode group 30 into two electrode group components 31, so as to shorten the length of a single electrode group component 31, thereby avoiding bending and deformation of the electrode group 30, and avoiding wrinkling, deformation, layer penetration, fracture and other problems in the electrode sheet; by arranging a fixing sleeve 60 at the connection between two adjacent electrode group components 31, the fixing sleeve 60 is sleeved on the supporting frame 50, which can prevent the electrode group component 31 from shaking in the accommodating cavity 5001, thereby improving the structural stability of the battery 100, preventing the connection between the electrode ears 311 of the two adjacent electrode group components 31 from being torn and broken, and extending the service life of the battery 100.

[0063] The electrode component 31 in the present application can be wound or laminated. Generally, the electrode component 31 includes at least a positive electrode sheet, a separator, and a negative electrode sheet.

[0064] like Figure 2-Figure 4As shown, the support frame 50 includes two first side plates 51 arranged along a first direction and two second side plates 52 arranged along a second direction. The first side plates 51 and the second side plates 52 are connected end to end in sequence to form a accommodating cavity 5001. The first side plates 51 and the second side plates 52 are used to support the side edges of the electrode group 30, thereby preventing the side edges of the electrode group 30 from directly contacting the inner wall of the shell 10.

[0065] In this embodiment, the first direction is the length direction of the housing 10, and the second direction is the width direction of the housing 10, that is, the first direction is perpendicular to the second direction. Of course, in other embodiments, the first direction and the second direction can also be set at other angles, which are not limited here.

[0066] Optionally, the first side plate 51 and the second side plate 52 are integrally formed to reduce the number of parts, simplify the assembly process, and facilitate installation. Optionally, the support frame 50 is made by injection molding, which has high production efficiency and good product quality.

[0067] Optionally, the support frame 50 is made of insulating material to achieve insulation between the electrode group 30 and the inner wall of the shell 10 , thereby improving the safety performance of the battery 100 .

[0068] Optionally, after the end cover 20 and the shell 10 are assembled, the end cover 20 abuts against the support frame 50 (specifically the first side plate 51 ), which can prevent short circuits on the one hand, and on the other hand, eliminates the need for a separate lower plastic, simplifies assembly steps, and improves space utilization.

[0069] Optionally, a through hole 511 is opened on the first side plate 51 , and the pole tabs 311 located at both ends of the pole group 30 along the first direction are connected to the end cover 20 after being passed through the corresponding through holes 511 , and the through holes 511 realize the avoidance effect of the pole tabs 311 .

[0070] Optionally, the second side panel 52 includes a connecting portion 521 and a supporting portion 522, the connecting portion 521 is connected to the first side panel 51, the supporting portion 522 is connected to the connecting portion 521, and is located at the connection between two adjacent pole group segments 31, and the fixing sleeve 60 and the supporting portion 522 are detachably connected to facilitate quick disassembly and assembly of the fixing sleeve 60 and the supporting portion 522.

[0071] like Figure 2-Figure 4 As shown, the fixing sleeve 60 is provided with a protrusion 6001, and the support frame 50 (specifically, the support portion 522) is provided with a locking groove 5221. The protrusion 6001 is plugged into and matched with the locking groove 5221 to ensure that the fixing sleeve 60 is firmly connected to the support frame 50 and prevent the fixing sleeve 60 from shifting. Of course, in other embodiments, the protrusion 6001 can also be provided on the support frame 50, and the locking groove 5221 can be provided on the fixing sleeve 60, and the above-mentioned effect can also be achieved.

[0072] In this embodiment, the fixing sleeve 60 is integrally formed to ensure high strength of the fixing sleeve 60. During assembly, one end of the support frame 50 is inserted into the fixing sleeve 60 along the first direction, the fixing sleeve 60 is moved to the installation position, and then the protrusion 6001 is inserted into the slot 5221.

[0073] In this embodiment, there are three engaging slots 5221, which are spaced apart along the first direction. The protrusions 6001 are provided in a one-to-one correspondence with the engaging slots 5221 to improve the connection between the fixing sleeve 60 and the support frame 50. Of course, in other embodiments, the number of engaging slots 5221 can also be two, four, or more, and designers can make an adaptive selection based on the specific size of the fixing sleeve 60 and actual needs.

[0074] Optionally, the dimension of the supporting portion 522 in the third direction is larger than the dimension of the connecting portion 521 in the third direction, so as to form a gap between the housing 10 and the second side plate 52 to facilitate exhaust and movement of electrolyte.

[0075] In this embodiment, the third direction is the thickness direction of the housing 10, that is, the first direction, the second direction and the third direction are perpendicular to each other. Of course, in other embodiments, the first direction, the second direction and the third direction can also be set at other angles, which is not limited here.

[0076] like Figure 2 As shown, in two adjacent pole group components 31 , a groove 312 is provided on one side facing each other, and the pole ears 311 of the two adjacent pole group components 31 are arranged in the groove 312 to fully utilize the space in the shell 10 and improve the capacity of the battery 100.

[0077] Optionally, the pole lug 311 is centrally arranged in the groove 312 to ensure uniform current distribution in the pole group component 31 .

[0078] Optionally, the tabs 311 on the sides of the two pole group segments 31 close to each other are connected by horizontal welding, thereby saving the length of the tabs 311, simplifying the process, reducing the number of structural parts, and lowering the internal resistance.

[0079] In this embodiment, the two pole group components 31 are connected in series, that is, the positive electrode tab in one of the two pole group components 31 is welded to the negative electrode tab in the other pole group component 31 to increase the capacity and voltage of the battery 100.

[0080] like Figure 1As shown, the battery 100 further includes an insulating film 40, which is coated around the periphery of the electrode group 30 and the support frame 50 and is located within the housing 10. After the electrode group 30 and the support frame 50 are assembled, the insulating film 40 is applied, and then the electrode group 30 and the support frame 50 coated with the insulating film 40 are installed within the housing 10. The insulating film 40 improves the insulation protection capability of the electrode group 30. Specifically, the insulating film 40 is a Mylar film.

[0081] Optionally, a first explosion-proof hole 11 is provided on the shell 10, and a second explosion-proof hole 2001 is provided on the end cover 20. Explosion-proof valves are provided in the first explosion-proof hole 11 and the second explosion-proof hole 2001. When an abnormality occurs inside the battery 100, the air pressure in the shell 10 reaches the explosion-proof threshold of the explosion-proof valve, and the explosion-proof valve opens, and the gas is discharged from the first explosion-proof hole 11 and the second explosion-proof hole 2001, releasing the internal pressure of the shell 10, preventing the battery 100 from thermal runaway and explosion and fire, and improving the safety of the battery 100.

[0082] Optionally, the insulating film 40 is provided with a slit, which is directly opposite to the first explosion-proof hole 11 , so that the gas in the electrode group 30 can be quickly discharged from the slit.

[0083] Example 2

[0084] This embodiment provides a battery 100 , the specific structure of which is substantially the same as that of the battery 100 in the first embodiment, except that the specific structures of the support frame 50 , the fixing sleeve 60 and the end cover 20 are different.

[0085] like Figure 6-Figure 8 As shown, the fixing sleeve 60 includes a first body 61 and a second body 62. The first body 61 is provided with two first plug-in portions, and the second body 62 is provided with two second plug-in portions. The first plug-in portions and the second plug-in portions are arranged in a one-to-one correspondence and can be detachably connected to facilitate the quick disassembly and assembly of the first and second bodies 61, 62. The two first plug-in portions are respectively located at the two ends of the first body 61 along the second direction, so that the first and second plug-in portions are evenly stressed, thereby ensuring the connection between the first and second bodies 61, 62. Of course, in other embodiments, the number of first plug-in portions can also be two, three, or more.

[0086] In this embodiment, the protrusion 6001 is provided on the first split body 61. During assembly, the protrusion 6001 is first inserted into the slot 5221 to complete the assembly of the first split body 61 and the support frame 50. The second split body 62 is then assembled onto the first split body 61 to complete the assembly of the fixing sleeve 60 and the support frame 50. This avoids the need for the fixing sleeve 60 to be inserted from one end of the support frame 50 along the first direction, thereby improving the installation efficiency of the fixing sleeve 60 and the support frame 50. Of course, in other embodiments, the protrusion 6001 can also be provided on the first split body 61 to achieve the above-mentioned effect.

[0087] Optionally, the first plug-in part is a plug-in block 611, which is formed by extending from the end of the first split body 61; the second plug-in part is a plug-in notch 621, which is formed by the inward concave end surface of the second split body 62; the plug-in block 611 can extend into the plug-in notch 621 to realize the assembly of the first split body 61 and the second split body 62.

[0088] In another possible implementation, the first body 61 and the second body 62 are nested and snap-fitted together, thereby also achieving an assembled connection between the first body 61 and the second body 62. For example, the first plug-in portion is a snap-fit hole, and the second plug-in portion is a snap-fitting protrusion, which can snap-fit into the snap-fit hole to secure the first body 61 and the second body 62.

[0089] Optionally, the support frame 50 also includes at least one partition 53, at least one partition 53 is arranged at intervals along the third direction, and the two ends of the partition 53 along the second direction are respectively connected to the corresponding second side plate 52 to separate the accommodating cavity 5001 into at least two split cavities 5101 arranged along the first direction, and the pole group split 31 is arranged in the corresponding split cavity 5101 to improve the protective effect of the support frame 50 on the pole group 30.

[0090] Optionally, a through hole 531 is provided on the separator 53 , and in two adjacent pole group components 31 , the pole ear 311 of the pole group component 31 without the groove 312 passes through the through hole 531 and is connected to the pole ear 311 of the pole group component 31 with the groove 312 .

[0091] Optionally, the partition 53 is made of insulating material, and two adjacent pole group components 31 can be directly isolated by the partition 53 and insulation between the two can be maintained.

[0092] Optionally, the partition plate 53, the first side plate 51 and the second side plate 52 are integrally formed to improve the overall strength of the support frame 50, reduce the number of parts, simplify the assembly process, and facilitate installation.

[0093] like Figure 9As shown, the end cover 20 includes a cover plate 21, which is disposed on the opening of the housing 10. Optionally, the cover plate 21 is made of a plain aluminum plate. Plain aluminum plates have the advantages of being easy to process and shape, being light in weight, and having good thermal conductivity.

[0094] Optionally, the end cap 20 further includes a positioning member 22, which is connected to the end cap 20. The support frame 50 (specifically, the first side plate 51) is provided with a positioning hole 512. The positioning member 22 is plugged into the positioning hole 512 to facilitate rapid assembly of the cover plate 21 and the housing 10, and to prevent the cover plate 21 from being misaligned or loosened. Of course, in other embodiments, the positioning member 22 can also be provided on the first side plate 51, and the positioning hole 512 can be provided on the cover plate 21 to achieve the same effect as described above.

[0095] Optionally, the positioning member 22 is fixed to the cover plate 21 by injection molding or ultrasonic hot melting. The above molding method has high production efficiency and can greatly shorten the production cycle.

[0096] like Figure 1 As shown, three first explosion-proof holes 11 are provided on a side surface of the housing 10 along the second direction. The three first explosion-proof holes 11 are spaced apart along the first direction to shorten the gas exhaust path and the gas exhaust distance, thereby further improving the safety performance of the battery 100. Of course, in other embodiments, the number and location of the explosion-proof holes can be adaptively selected according to actual needs and are not limited here.

[0097] Optionally, the insulating film 40 is provided with slits, which are opposite to the first explosion-proof holes 11 and are arranged one-to-one correspondingly, so that the gas in the electrode group 30 can be quickly discharged from the slits.

[0098] Example 3

[0099] This embodiment provides an electrical device, which includes an electrical device body and the battery 100 provided in Example 1 or Example 2. The battery 100 can provide electrical energy to the electrical device body, thereby enabling the electrical device body to automatically complete preset actions through electrical energy, ensuring good performance of the electrical device body and ensuring the service life and safety performance of the electrical device.

[0100] Specifically, the main body of the electrical device can be a vehicle, a mobile phone, a portable device, a laptop computer, a ship, a spacecraft, an electric toy, or an electric tool. A vehicle can be a fuel vehicle, a gas vehicle, or a new energy vehicle; a new energy vehicle can be a pure electric vehicle or a hybrid vehicle; a spacecraft includes an airplane, a rocket, a space shuttle, and a spacecraft; an electric toy includes a fixed or mobile electric toy, such as a game console, an electric car toy, an electric ship toy, and an electric airplane toy; an electric tool includes a metal cutting power tool, a grinding power tool, an assembly power tool, and a railway power tool, such as an electric drill, an electric grinder, an electric wrench, an electric screwdriver, an electric hammer, an impact drill, a concrete vibrator, or an electric planer. This embodiment does not limit the main body of the electrical device.

[0101] The following examples are for convenience of description. Figure 10 As shown, an embodiment of the present application is described using a vehicle 1000 as an example of an electrical device. Vehicle 1000 is internally provided with a battery 100, which can be located at the bottom, front, or rear of vehicle 1000. There can be one or more batteries 100, and multiple batteries 100 can be connected in series, in parallel, or in a hybrid configuration. A hybrid configuration refers to multiple batteries 100 being connected in both series and parallel configurations.

[0102] The battery 100 can be used to power the vehicle 1000. For example, the battery 100 can serve as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 is used to control the battery 100 to power the motor 300, for example, to meet the power requirements of the vehicle 1000 during starting, navigation, and driving.

[0103] In some embodiments of the present application, the battery 100 can serve not only as an operating power source for the vehicle 1000 , but also as a driving power source for the vehicle 1000 , replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000 .

[0104] Note that throughout this specification, references to terms such as "some embodiments" and "other embodiments" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. Throughout this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be incorporated in any suitable manner in any one or more embodiments or examples.

[0105] The above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are possible for those skilled in the art without departing from the scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A battery, characterized in that: include: Housing (10); A pole group (30) comprising at least two pole group members (31) arranged along a first direction; A support frame (50), the support frame (50) having a receiving cavity (5001), the pole group (30) being located in the receiving cavity (5001); A fixing sleeve (60) is sleeved on the supporting frame (50), the fixing sleeve (60) is located at the connection between two adjacent pole group components (31), and the fixing sleeve (60) is located inside the housing (10).

2. The battery according to claim 1, characterized in that The support frame (50) comprises two first side panels (51) arranged along the first direction and two second side panels (52) arranged along the second direction, the first side panels (51) and the second side panels (52) being connected end to end in sequence to form the accommodating cavity (5001), and the first direction and the second direction are arranged at an angle.

3. The battery according to claim 2, characterized in that The second side plate (52) comprises: a connecting portion (521), connected to the first side plate (51); The support portion (522) is connected to the connection portion (521) and is located at the connection between two adjacent pole group components (31). The fixing sleeve (60) is detachably connected to the support portion (522).

4. The battery according to claim 3, characterized in that The dimension of the supporting portion (522) in the third direction is greater than the dimension of the connecting portion (521) in the third direction, and the first direction and the third direction are arranged at an angle.

5. The battery according to claim 1, characterized in that One of the fixing sleeve (60) and the supporting frame (50) is provided with a card slot (5221), and the other is provided with a protrusion (6001), and the protrusion (6001) is plug-fitted with the card slot (5221).

6. The battery according to claim 1, characterized in that The fixing sleeve (60) comprises: A first split body (61), wherein at least one first plug-in portion is provided on the first split body (61); The second split body (62) is provided with at least one second plug-in portion, and the first plug-in portion and the second plug-in portion are provided in a one-to-one correspondence and can be detachably connected.

7. The battery according to claim 6, characterized in that The first plug-in portion is a plug-in block (611), which is formed by extending the end of the first split body (61); the second plug-in portion is a plug-in notch (621), which is formed by the inward concave end surface of the second split body (62); and the plug-in block (611) can extend into the plug-in notch (621); Alternatively, the first split body (61) and the second split body (62) are nested, the first plug-in portion is a latching hole, the second plug-in portion is a latching protrusion, and the latching protrusion can be latched in the latching hole.

8. The battery according to any one of claims 1 to 7, characterized in that: The battery further comprises an end cover (20), one of the end cover (20) and the support frame (50) is provided with a positioning piece (22), and the other is provided with a positioning hole (512), and the positioning piece (22) is plugged into and matched with the positioning hole (512).

9. The battery according to any one of claims 1 to 7, characterized in that: A groove (312) is provided on one side of two adjacent pole group members (31) facing each other, and the pole ears (311) of the two adjacent pole group members (31) are provided in the groove (312).

10. An electrical device, comprising an electrical device body, characterized in that: The electrical device further comprises a battery as claimed in any one of claims 1 to 9, wherein the battery is configured to supply power to the electrical device body.

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