WO2024021530A1 - 电池、电池模组和用电设备 - Google Patents

电池、电池模组和用电设备 Download PDF

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Publication number
WO2024021530A1
WO2024021530A1 PCT/CN2023/070513 CN2023070513W WO2024021530A1 WO 2024021530 A1 WO2024021530 A1 WO 2024021530A1 CN 2023070513 W CN2023070513 W CN 2023070513W WO 2024021530 A1 WO2024021530 A1 WO 2024021530A1
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WO
WIPO (PCT)
Prior art keywords
battery core
boss
battery
sub
bosses
Prior art date
Application number
PCT/CN2023/070513
Other languages
English (en)
French (fr)
Inventor
张猛
戴亨伟
杨伟
Original Assignee
欣旺达动力科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 欣旺达动力科技股份有限公司 filed Critical 欣旺达动力科技股份有限公司
Publication of WO2024021530A1 publication Critical patent/WO2024021530A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the field of new energy, specifically a battery, a battery module and electrical equipment.
  • the main power source of new energy vehicles comes from batteries, which are the core components of batteries.
  • the power cells are arranged in the casing, or multiple power cells are stacked and arranged in the Y direction. They are welded and fixed with the current collector through pins and then glued. In this assembly method, the power cells are placed in the casing.
  • the risk of shaking in the casing is high, especially under vibration conditions.
  • the current collectors located on both sides of the power cell tend to sway left and right, and the adhesive tape becomes loose, resulting in a high risk of short circuit between the power cell and the casing, causing a huge safety hazard. .
  • This application provides a battery, a battery module and electrical equipment to solve the technical problem of a short circuit caused by the shaking and expansion of the battery core due to contact between the battery core and the casing.
  • a battery including:
  • the battery core is arranged in the accommodation cavity.
  • the battery core has an end surface extending along the Z direction, two opposite side surfaces extending along the Y direction, and a bottom surface extending along the X direction, wherein the X direction, the Y direction and the Z direction directions are perpendicular to each other; and
  • Insulating support member the insulating support member includes:
  • a substrate having a first surface facing the end face of the battery core to achieve insulation isolation between the end face of the battery core and the casing;
  • the first limiting part has a first component and a second component arranged oppositely.
  • the first component and the second component extend from the first surface of the substrate toward the direction of the battery core, and are respectively connected with The two sides of the battery core are in contact with each other;
  • the second limiting part has a first boss extending from the first surface of the substrate toward the direction of the battery core and abutting against the bottom surface of the battery core.
  • the battery further includes:
  • a third limiting part is provided on the first limiting part.
  • the third limiting part has a third boss and a fourth boss.
  • the third boss and the fourth boss are respectively from The first component and the second component extend toward each other, and the third boss and the fourth boss face the end surface of the battery core and abut against the end surface.
  • the third boss includes a plurality of first sub-bosses, and the plurality of first sub-bosses are spaced apart along the Y direction of the end surface of the battery core and offset against the end surface.
  • the fourth boss includes a plurality of second sub-bosses, the plurality of second sub-bosses are spaced apart along the Y direction of the end face of the battery core, and are in contact with the end face
  • the second limiting portion has a second boss extending from the first boss toward the Y direction of the battery core and connected with the battery core. The end faces are in contact with each other.
  • the first boss includes a plurality of third sub-bosses, and the third sub-bosses are spaced apart along the Z direction of the bottom surface of the battery core and offset against the bottom surface. catch.
  • the second boss includes a plurality of fourth sub-bosses, and the fourth sub-bosses are spaced apart along the Z direction of the end face of the battery core and offset against the end face. catch.
  • the first boss includes a plurality of third sub-bosses, and the third sub-bosses are spaced apart along the Z direction of the bottom surface of the battery core and offset against the bottom surface. catch;
  • the second boss includes a plurality of fourth sub-bosses.
  • the fourth sub-bosses are spaced apart along the Z direction of the end surface of the battery core and are in contact with the end surface.
  • the first component includes a plurality of first retaining walls, the plurality of first retaining walls are spaced apart along the Y direction of the side of the battery core and abut against the side, so
  • the second component includes a plurality of second retaining walls, the plurality of second retaining walls are spaced apart along the Y direction of the side of the battery core and abut against the side.
  • the accommodation cavity of the housing has an open end that opens along the Y direction;
  • the battery includes: a top cover assembly covering the open end;
  • a first connection part provided on the top cover assembly
  • the insulating support member includes: a second connection part, which is disposed on the first surface of the substrate and cooperates with the first connection part.
  • embodiments of the present application provide a battery module, including the battery described in the first aspect.
  • embodiments of the present application provide an electrical device, including the battery module described in the third aspect.
  • the battery, battery module and electrical equipment provided by this application are provided with insulating supports to limit the position of the battery core in the X direction, Y direction and Z direction, effectively limiting the battery core in the housing.
  • the movement/swaying of the battery plays a buffering and supporting role, and insulates the battery core from the inner wall of the casing to prevent short circuit caused by contact between the battery core and the casing, thus improving the safety of the battery.
  • Figure 1 is the first exploded view of the battery provided by this application.
  • Figure 2 is a first structural schematic diagram of the insulating support provided by this application.
  • Figure 3 is a second structural schematic diagram of the insulating support provided by this application.
  • Figure 4 is a third structural schematic diagram of the insulating support provided by this application.
  • Figure 5 is a second exploded view of the battery provided by this application.
  • Figure 6 is a perspective view of the battery provided by this application.
  • the embodiment of the present application provides a battery 100, please refer to FIG. 1, which includes: a casing 1, a battery core 2 and two insulating supports 3.
  • the housing 1 has an oppositely arranged first side wall, an oppositely arranged second side wall and an inner bottom wall.
  • the oppositely arranged first side wall, an oppositely arranged second side wall and an inner bottom wall surround an X direction and a Y direction. direction and Z direction, where the X direction, Y direction and Z direction are perpendicular to each other.
  • the accommodation cavity of the housing 1 has an open end that opens along the Y direction, and a top cover assembly 4 covering the open end to facilitate the installation of internal components such as the battery core 2 and the insulating support 3 .
  • the battery core 2 is stored in the accommodation cavity.
  • the battery core 2 has an end surface A facing the first side wall and extending in the Z direction, a side surface B facing the second side wall and extending in the Y direction, and a bottom surface C facing the inner bottom wall and extending in the X direction.
  • the number of battery cores 2 is multiple, and the multiple battery cores 2 are stacked along the Y direction and fixed by welding the current collectors of the pins at both ends to the battery cores 2 .
  • Two insulating supports 3 are respectively installed on the two opposite end sides of the battery core 2 along the X direction to position the battery core 2 in the accommodation cavity along the Z direction and the The core 2 is suspended in the air and in contact with the housing 1, thereby reducing the risk of short circuit caused by the contact between the battery core 2 and the first side wall, the second side wall and the inner bottom wall of the housing 1.
  • the insulating support member 3 can be made of plastic materials such as PP, PET, PPS, etc.
  • the insulating support 3 includes: a base plate 34, a first limiting part 31 and a second limiting part 33, wherein the base plate 34 has a first surface, and the first surface faces the end surface of the battery core 2 to achieve electrical control.
  • the end surface of the core 2 is insulated from the first side wall of the housing 1;
  • the first limiting part 31 has a first component 311 and a second component 312 arranged oppositely, and the first component 311 and the second component 312 are separated from the base plate 34
  • the first surfaces extend toward the direction of the battery core 2 and are respectively in contact with the two side surfaces of the battery core 2 in the X direction.
  • the second limiting part 33 has a first boss 331 .
  • the first boss 331 extends from the first surface of the substrate 34 toward the battery core 2 and abuts against the bottom surface of the battery core 2 .
  • the first boss 331 can support the battery core 2 upward and play a supporting role to position the battery core 2 in the accommodation cavity in the Y direction to prevent the battery core 2 from directly contacting the inner bottom wall of the housing 1 and causing a short circuit.
  • the base plate 34 is a component with a load-bearing function, and its shape may be, but is not limited to, square, circular, or other shapes.
  • the substrate 34 has a first hollow structure 342, which plays a role in heat dissipation and buffering.
  • the first hollow structure 342 may be a square hole, a round hole or other irregularly shaped partial hollows, or may be a whole hollow structure.
  • the first limiting part 31 is provided with a second hollow structure 313 to play a role in heat dissipation and buffering.
  • a second hollow structure 313 is provided on both the first component 311 and the second component 312 .
  • the second hollow structure 313 may be two or more round holes, square holes or other irregular shapes.
  • the total height of the insulating support member 3 is 0.5 mm - 4 mm lower than the effective height of the battery core 2 in the Y direction of the housing 1; the distance around the insulating support member 3 and the inner wall of the housing 1 is 0.3mm-1.5mm.
  • the overlapping area of the first component 311 and the second component 312 of the insulating support member 3 with the battery core 2 along the Y direction of the battery core 2 is within 30 mm, which is beneficial to the positioning of the battery core 2 by the insulating support member 3 .
  • the wall thickness of the insulating support member 3 is within 2 mm.
  • the base plate 34 and the first limiting part 31 may be an integrally formed structure or may be a separate structure.
  • the battery 100 includes: a third limiting part 32 provided on the first limiting part 31.
  • the third limiting part 32 has a third boss 321 and a fourth boss 322.
  • the boss 321 and the fourth boss 322 extend toward each other from the first component 311 and the second component 312 respectively, and are respectively in contact with the end surfaces on both sides of the battery core 2 in the Z direction.
  • the third boss 321 includes a plurality of first sub-bosses 3211 .
  • the plurality of first sub-bosses 3211 are spaced apart along the Y direction of the end surface of the battery core and are connected with each other.
  • the fourth boss 322 includes a plurality of second sub-bosses 3221, and the plurality of second sub-bosses 3221 are arranged at intervals along the Y direction of the end face of the battery core and are in contact with the end face.
  • a plurality of first sub-protrusions 3211 and second sub-protrusions 3221 arranged at intervals constitute discontinuous third protrusions 321 and fourth protrusions 322 respectively.
  • a buffer space is formed between the two adjacent second sub-bosses 3221, which is conducive to providing a better buffering effect.
  • the plurality of first sub-bosses 3211 and second sub-bosses 3221 are respectively in contact with the battery core 2. Multiple points of contact are formed between the end faces, which is beneficial to improving the positioning effect of the battery core 2 .
  • the area of the third boss 321 and the fourth boss 322 of the insulating support member 3 is less than or equal to one-third of the end surface area of the battery core 2 , which is beneficial to the insulation support member 3 to the battery core 2 positioning.
  • the third limiting portion 32 is formed by forming the third boss 321 and the fourth boss 322 on the first component 311 and the second component 312 respectively, so that the third limiting portion 32 and the substrate 34 are in contact with each other. A space is formed between them, so that a buffer space is formed between the battery core 2 and the substrate 34, which not only limits the shaking/moving of the battery core 2 in the X direction, but also plays a buffering role.
  • the battery 100 includes:
  • the first boss 331 includes a plurality of third sub-bosses 3311, and a plurality of third sub-bosses 3311. They are arranged at intervals along the Z direction of the bottom surface of the battery core and are in contact with the bottom surface to form a buffer space between the two adjacent third sub-protrusions 3311, which is conducive to providing a better buffering effect.
  • the number of the third sub-protrusions 3311 is two, and the two third sub-protrusions 3311 are respectively in contact with the bottom surface of the battery core 2 .
  • the area of the first boss 331 of the insulating support member 3 is less than or equal to half of the bottom surface area of the battery core 2, and the insulating support member 3 is used to position the battery core 2.
  • the second limiting part 33 also has a second boss 332 .
  • the second boss 332 extends from the first boss 331 toward the Y direction of the battery core 2 and is connected with the battery core 2 .
  • the end faces of core 2 are in contact with each other.
  • the insulating support 3 includes a first limiting part 31 , a third limiting part 32 and a second limiting part 33 , and the third limiting part 32 has a third boss 321 and a fourth boss 322 , the second limiting part 33 has a first boss 331 and a second boss 332, and the first boss 331, the second boss 332, the third boss 321, the fourth boss 322 are located in the same plane.
  • the second boss 332 includes a plurality of fourth sub-bosses 3321 .
  • the plurality of fourth sub-bosses 3321 are spaced apart along the Z direction of the end surface of the battery core and are in contact with the end surface. , forming a buffer space between adjacent fourth sub-bosses 3321, which is beneficial to providing a better buffering effect.
  • the fourth sub-protrusion 3321 may have a quadrilateral structure, which is beneficial to increasing the contact surface between the fourth sub-protrusion 3321 and the battery core 2 to improve the contact effect. However, it is not limited to a quadrilateral structure, and may be a rhombus, triangle, or circle structure.
  • the first component 311 includes a plurality of first retaining walls 3111.
  • the plurality of first retaining walls 3111 are arranged at intervals along the Y direction of the side of the battery core and abut against the side;
  • the second component 312 includes a plurality of second retaining walls 3121.
  • the plurality of second retaining walls 3121 are arranged at intervals along the Y direction of the side of the battery core and are in contact with the side. Forming a buffer space between two adjacent first retaining walls 3111 and two adjacent second retaining walls 3121 is beneficial to improving the buffering effect.
  • the insulating support 3 further includes: a third limiting part 32.
  • the third limiting part 32 has a third boss 321 and a fourth boss 322.
  • the third boss 321 includes spaced apart
  • the first sub-boss 3211 corresponds to the first retaining wall 3111 one-to-one.
  • the fourth boss 322 includes second sub-boss 3221 arranged at intervals.
  • the second sub-boss 3221 and the second The retaining walls 3121 correspond one to one.
  • the base plate 34 includes: two oppositely arranged branch ribs 343 and 344 and a U-shaped connecting part 345.
  • the two ends of the U-shaped connecting part 345 are respectively connected to the branch ribs 343 and 344 to form a hollow U-shaped board.
  • the two branch ribs 343 and 344 respectively have a first surface and a second surface.
  • the first surface is used to support the first component 311 of the first limiting part 31
  • the second surface is used to support the second part of the first limiting part 31 .
  • the hollow U-shaped plate in this embodiment provides effective support while simplifying the structure of the base plate 34, reducing the overall weight of the insulating support member 3, and at the same time improving the heat dissipation performance.
  • the accommodation cavity of the housing 1 has an open end opening along the Y direction;
  • the battery 100 includes: a top cover assembly 4 and a first connection part 42 , and the top cover assembly 4 covers the Open end.
  • the first connecting portion 42 is provided on a side of the top cover assembly 4 facing the receiving cavity.
  • the insulating support member 3 includes: a second connecting part, which is disposed on the first surface of the base plate 34 and is mated and connected with the first connecting part 42 .
  • the first connecting part 42 may be a plastic component, and the plastic component is connected to the second connecting part through heat melting to fix the insulating support member 3 and the top cover assembly 4 .
  • the first connection part 42 includes a notch 421
  • the second connection part includes a snap-in protrusion 341
  • the snap-in protrusion 341 is adapted to the notch 421 to snap the The protrusion 341 engages with the notch 421 of the first connecting portion 42 to form effective fixation between the top cover assembly 4 and the insulating support member 3 .
  • the shape of the notch 421 may be circular, square, or other shapes that can perform a socket function.
  • the first connection part 42 includes a protrusion
  • the second connection part includes a snap-in groove
  • the snap-in groove is adapted to the protrusion, and the protrusion and the snap-in groove are engaged, and the top cover is Effective fixation can be formed between the component 4 and the insulating support 3 .
  • the battery 100 includes: a casing 1, two cells 2, a positive current collector, a negative current collector, a positive pin 41, a negative pin and two insulators.
  • Support 3 wherein the positive current collector is disposed between one end surface of the battery core 2 and the first surface of the insulating support 3, and the negative current collector is disposed between the other end surface of the battery core 2 and the first surface of the insulating support 3 between; the positive electrode pin 41 and the negative electrode pin are arranged on the top cover assembly 4 and extend into the containing cavity.
  • One side of the positive electrode pin 41 and the negative electrode pin are respectively connected to the positive electrode current collector and the negative electrode current collector through welding.
  • the two insulating supports 3 are respectively installed on the two opposite end sides of the battery core 2 along the X direction to position the battery core 2 in the accommodation cavity along the Z direction and Y direction, buffering the shaking and expansion of the battery core 2 and reducing the voltage.
  • the core 2 comes into contact with the first side wall, the second side wall and the inner bottom wall of the housing 1, thereby causing a risk of short circuit.
  • the insulating support member 3 completely isolates the positive pin 41 and the negative pin from the inner wall of the housing 1 to prevent the positive pin 41 and the negative pin from contacting the housing 1 and causing a short circuit.
  • the battery 100 provided in the above embodiments of the present application has a simple structure, is relatively easy to implement, has low manufacturing difficulty, is suitable for large-scale promotion and application, and has high practical value.
  • an embodiment of the present application also provides a battery module, which includes the above-mentioned battery 100 . and an electrical device including a battery module.
  • This embodiment provides a battery 100 , please refer to FIG. 5 , which includes: a casing 1 , a battery core 2 , a top cover assembly 4 and two insulating supports 3 .
  • the housing 1 has an oppositely arranged first side wall, an oppositely arranged second side wall and an inner bottom wall.
  • the oppositely arranged first side wall, the oppositely arranged second side wall and the inner bottom wall enclose an area with X direction, Y direction. direction and Z direction.
  • the number of battery cores 2 is two, and the two battery cores 2 are stacked along the Y direction.
  • the battery core 2 is stored in the accommodation cavity.
  • the battery core 2 has an end surface facing the first side wall and extending in the Z direction, two side surfaces facing the second side wall and extending in the X direction, and an end surface facing the inner bottom wall and extending in the X direction.
  • Two insulating supports 3 are respectively installed on both ends of the battery core 2 along the X direction to position the battery core 2 in the accommodation cavity along the Z direction and the X direction, buffering the shaking and expansion of the battery core 2 and reducing the risk of
  • the battery core 2 is in contact with the first side wall, the second side wall and the inner bottom wall of the housing 1, thereby causing the risk of short circuit.
  • the insulating support member 3 can be made of PP plastic material.
  • the top cover assembly 4 covers the open end; the top cover assembly 4 is provided with a notch 421 .
  • the insulating support member 3 includes: a base plate 34 , a first limiting part 31 , a third limiting part 32 and a second limiting part 33 .
  • the shape of the base plate 34 is a square structure.
  • the substrate 34 has a first hollow structure 342.
  • the first hollow structure 342 is composed of a plurality of square holes, and the plurality of square holes are evenly distributed.
  • a locking protrusion 341 matching the notch 421 is provided on the upper end of the base plate 34 .
  • the engaging protrusion 341 engages with the notch 421 of the top cover assembly 4 to form an effective fixation between the top cover assembly 4 and the insulating support member 3 .
  • the first limiting part 31 has a first component 311 and a second component 312 arranged oppositely.
  • the first component 311 and the second component 312 extend from the first surface of the substrate 34 toward the battery core 2 and are respectively in contact with the battery core 2 .
  • the two side surfaces in the Z direction are in contact with each other to limit the shaking of the battery core 2 in the Z direction.
  • the third limiting part 32 has a third boss 321 and a fourth boss 322.
  • the third boss 321 and the fourth boss 322 respectively extend toward each other from the first component 311 and the second component 312 and are respectively connected with the battery core. 2 are in contact with each other on both sides of the Z direction to limit the shaking of the battery core 2 in the X direction.
  • the second limiting part 33 has a first boss 331 .
  • the first boss 331 extends from the first surface of the substrate 34 toward the battery core 2 and abuts against the bottom surface of the battery core 2 .
  • the first boss 331 can support the battery core 2 upward and play a supporting role to position the battery core 2 in the accommodation cavity in the Y direction to prevent the battery core 2 from directly contacting the inner bottom wall of the housing 1 and causing a short circuit.
  • the structure of the insulating support member 3 of this embodiment is different from that of Embodiment 1.
  • the insulating support member 3 includes: a base plate 34 , a first limiting part 31 , a third limiting part 32 and a second limiting part 33 .
  • the base plate 34 includes two branch ribs 343 and 344 and a U-shaped connecting part 345.
  • the two ends of the U-shaped connecting part 345 are respectively connected to the branch ribs 343 and 344 to form a hollow U-shaped plate.
  • the base plate 34 is provided with a second connection part, and the second connection part is connected to the first connection part 42 of the top cover assembly 4 through heat fusion, so that the insulating support member 3 and the top cover assembly 4 are fixed.
  • the first limiting part 31 has a first component 311 and a second component 312 arranged oppositely.
  • the first component 311 includes a plurality of first retaining walls 3111 arranged at intervals.
  • the plurality of first retaining walls 3111 are along the Y direction of the side of the battery core. They are arranged at intervals in the direction and are in contact with one side of the battery core.
  • the second component 312 includes a plurality of second retaining walls 3121 arranged at intervals.
  • the plurality of second retaining walls 3121 are arranged at intervals along the Y direction of the side of the battery core and abut against the other side of the battery core.
  • the third limiting part 32 has a third boss 321 and a fourth boss 322.
  • the third boss 321 includes first sub-bosses 3211 arranged at intervals, and the first sub-bosses 3211 are in contact with the first retaining wall. 3111 corresponding to each other, a plurality of first sub-protrusions 3211 are arranged at intervals along the Y direction of the end face of the battery core and are in contact with the end face; the fourth protrusions 322 include second sub-protrusions 3221 arranged at intervals.
  • the bosses 3221 correspond to the second retaining walls 3121 one-to-one, and a plurality of second sub-bosses 3221 are arranged at intervals along the Y direction of the end surface of the battery core and are in contact with the end surface.
  • the second limiting part 33 has a first boss 331.
  • the first boss 331 is a plurality of third sub-bosses 3311 arranged at intervals.
  • the plurality of third sub-bosses 3311 are arranged at intervals along the Z direction of the bottom surface of the battery core. , and contact the bottom surface.
  • the structure of the insulating support member 3 of this embodiment is different from that of Embodiment 1.
  • the insulating support member 3 includes: a base plate 34, a first limiting part 31, a third limiting part 32 and a second limiting part 33.
  • the shape of the substrate 34 is an irregular hexagon.
  • the base plate 34 is provided with a plurality of annular first hollow structures 342 .
  • the base plate 34 is provided with a second connection part, and the second connection part is connected to the first connection part 42 of the top cover assembly 4 through heat fusion, so that the insulating support member 3 and the top cover assembly 4 are fixed.
  • the first limiting part 31 has a first component 311 and a second component 312 arranged oppositely.
  • the first component 311 includes a plurality of first retaining walls 3111 arranged at intervals.
  • the plurality of first retaining walls 3111 are arranged at intervals along the Y direction of the side of the battery core and are in contact with one side of the battery core.
  • the second component 312 includes a plurality of second retaining walls 3121 arranged at intervals.
  • the plurality of second retaining walls 3121 are arranged at intervals along the Y direction of the side of the battery core and abut against the other side of the battery core.
  • the third limiting part 32 has a third boss 321 and a fourth boss 322.
  • the third boss 321 is a first sub-boss 3211 arranged at intervals, and a plurality of first sub-bosses 3211 are along the end surface of the battery core.
  • the fourth boss 322 is a second sub-boss 3221 arranged at intervals, and a plurality of second sub-bosses 3221 are arranged at intervals along the Y direction of the end face of the battery core, and Contact with the end surface.
  • the second limiting part 33 has a first boss 331 and a second boss 332.
  • the second boss 332 includes a plurality of fourth sub-bosses 3321, and the plurality of fourth sub-bosses 3321 are arranged at intervals.
  • the fourth sub-protrusions 3321 are arranged at intervals along the Z direction of the end surface of the battery core, and are in contact with the end surface.
  • the symbols in the figure are respectively represented as: battery 100, casing 1, battery core 2, insulating support 3, top cover assembly 4, first limiting part 31, third limiting part 32, second limiting part 33 , substrate 34, positive pin 41, first connecting part 42, first component 311, second component 312, second hollow structure 313, third boss 321, fourth boss 322, first boss 331, Two bosses 332, snap-in protrusions 341, first hollow structure 342, support edges 343, 344, gap 421, first retaining wall 3111, second retaining wall 3121, first sub-boss 3211, second sub-boss 3221, the third sub-convex platform 3311, and the fourth sub-convex platform 3321.

Abstract

公开一种电池、电池模组和用电设备，包括：壳体、电芯和绝缘支撑件，壳体具有容纳腔，通过有效限制电芯在壳体内的晃动，起到缓冲及支撑作用，避免电芯悬空及与壳体接触而导致短路，提高电池的安全性。

Description

电池、电池模组和用电设备
本申请要求于2022年07月28日提交中国专利局、申请号为202221979568.9、发明名称为“电池、电池模组和用电设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及新能源领域，具体涉及一种电池、电池模组和用电设备。
 背景技术
新能源汽车的主要动力源来源于电池，电池的核心部件动力电芯。
目前现有相关技术中，动力电芯布设于壳体内，或多个动力电芯沿Y方向堆叠布设，通过引脚与集流体焊接固定后，再贴胶，此种装配方式，动力电芯在壳体内晃动的风险较大，尤其是在振动工况下，位于动力电芯两侧的集流体易左右晃动，胶纸松动，导致动力电芯与壳体发生短路风险大，造成巨大的安全隐患。
 技术问题
本申请提供一种电池、电池模组和用电设备，以解决电芯晃动及膨胀，导致电芯与壳体接触发生短路的技术问题。
 技术解决方案
第一方面，本申请实施例提供一种电池，包括：
壳体，具有容纳腔；
电芯，设置于所述容纳腔内，所述电芯具有沿Z方向延伸的端面、沿Y方向延伸相对的两个侧面，和沿X方向延伸的底面，其中，X方向、Y方向和Z方向相互垂直；以及
绝缘支撑件，所述绝缘支撑件包括：
基板，所述基板具有第一表面，所述第一表面朝向所述电芯的所述端面，以实现所述电芯的所述端面与所述壳体之间绝缘隔离；
第一限位部，具有相对设置的第一部件和第二部件，所述第一部件和所述第二部件自所述基板的所述第一表面朝向所述电芯方向延伸，并分别与所述电芯的所述两个侧面相抵接；和
第二限位部，具有第一凸台，所述第一凸台自所述基板的所述第一表面向所述电芯的方向延伸，并与所述电芯的所述底面相抵接。
在一些实施例中，所述的电池，还包括：
设置于所述第一限位部上的第三限位部，所述第三限位部具有第三凸台和第四凸台，所述第三凸台和所述第四凸台分别自所述第一部件、所述第二部件相向延伸，所述第三凸台和所述第四凸台面向所述电芯的所述端面并与所述端面相抵接。
在一些实施例中，所述第三凸台包括若干第一子凸台，所述若干第一子凸台沿所述电芯的所述端面的Y方向间隔排布，并与所述端面相抵接；所述第四凸台包括若干第二子凸台，所述若干第二子凸台沿所述电芯的所述端面的Y方向间隔排布，并与所述端面相抵接
在一些实施例中，所述第二限位部具有第二凸台，所述第二凸台自所述第一凸台向所述电芯的所述Y方向延伸，并与所述电芯的所述端面相抵接。
在一些实施例中，所述第一凸台包括若干第三子凸台，所述若干第三子凸台沿所述电芯的所述底面的Z方向间隔排布，并与所述底面相抵接。
在一些实施例中，所述第二凸台包括若干第四子凸台，所述若干第四子凸台沿所述电芯的所述端面的Z方向间隔排布，并与所述端面相抵接。
在一些实施例中，所述第一凸台包括若干第三子凸台，所述若干第三子凸台沿所述电芯的所述底面的Z方向间隔排布，并与所述底面相抵接；
所述第二凸台包括若干第四子凸台，所述若干第四子凸台沿所述电芯的所述端面的Z方向间隔排布，并与所述端面相抵接。
在一些实施例中，所述第一部件包括若干第一挡墙，所述若干第一挡墙沿所述电芯的所述侧面的Y方向间隔排布，并与所述侧面相抵接，所述第二部件包括若干第二挡墙，所述若干第二挡墙沿所述电芯的所述侧面的Y方向间隔排布，并与所述侧面相抵接。
在一些实施例中，所述绝缘支撑件设置为两个，两个所述绝缘支撑件分别位于所述电芯在所述X方向的两端侧。
在一些实施例中，所述壳体的容纳腔具有沿所述Y方向开口的敞口端；
所述电池包括：顶盖组件，盖于所述敞口端；以及
第一连接部，其设置于所述顶盖组件上；
绝缘支撑件包括：第二连接部，设置于所述基板的所述第一表面上，与所述第一连接部配合连接。
第二方面，本申请实施例提供一种电池模组，包括第一方面所述的电池。
第三方面，本申请实施例提供一种用电设备，包括第三方面所述的电池模组。
 有益效果
相较于现有技术，本申请提供的电池、电池模组和用电设备，通过设置绝缘支撑件，对电芯在X方向、Y方向及Z方向进行限位，有效限制电芯在壳体内的窜动/晃动，起到缓冲及支撑作用，并且将电芯与壳体的内壁绝缘隔离，避免电芯与壳体接触而导致短路，从而提高了电池的安全性。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请提供的电池的第一爆炸图；
图2是本申请提供的绝缘支撑件的第一结构示意图；
图3是本申请提供的绝缘支撑件的第二结构示意图；
图4是本申请提供的绝缘支撑件的第三结构示意图；
图5是本申请提供的电池的第二爆炸图；
图6是本申请提供的电池的立体图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”、“下”、“左”、“右”通常是指装置实际使用或工作状态下的上、下、左和右，具体为附图中的图面方向。
本申请提供一种电池、电池模组和用电设备，以下分别进行详细说明。需要说明的是，以下实施例的描述顺序不作为对本申请实施例优选顺序的限定。且在以下实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其它实施例的相关描述。
本申请的实施例提供了一种电池100，请参考图1，其包括：壳体1、电芯2和两个绝缘支撑件3。
壳体1具有相对设置的第一侧壁、相对设置的第二侧壁和内底壁、相对设置的第一侧壁、相对设置的第二侧壁和内底壁围成具有X方向、Y方向和Z方向的容纳腔，其中，X方向、Y方向和Z方向相互垂直。在一些实施例中，壳体1的容纳腔具有沿Y方向开口的敞口端，以及盖于敞口端上的顶盖组件4，以便于电芯2、绝缘支撑件3等内部组件的安装。
电芯2收纳于容纳腔内。电芯2具有面向第一侧壁并沿Z方向延伸的端面A、面向第二侧壁并沿Y方向延伸的侧面B、和面向内底壁并沿X方向延伸的底面C。在一些实施例中，电芯2的数量为多个，且多个电芯2沿Y方向堆叠，通过两端引脚与电芯2的集流体焊接固定。
两个绝缘支撑件3分别安装于电芯2沿X方向相对的两端侧，以将电芯2沿Z方向和X方向定位于容纳腔内，起到缓冲电芯2晃动及膨胀，避免电芯2悬空及与壳体1接触，降低电芯2与壳体1的第一侧壁、第二侧壁以及内底壁接触发生短路风险。绝缘支撑件3可以采用PP、PET、PPS等塑胶材质制成。
请参见图2，绝缘支撑件3包括：基板34、第一限位部31和第二限位部33，其中，基板34具有第一表面，第一表面朝向电芯2的端面，以实现电芯2的端面与壳体1的第一侧壁之间绝缘隔离；第一限位部31具有相对设置的第一部件311和第二部件312，第一部件311和第二部件312自基板34的第一表面朝向电芯2方向延伸，并分别与电芯2在X方向的两个侧面相抵接。
第二限位部33具有第一凸台331，第一凸台331自基板34的第一表面向电芯2的方向延伸，并与电芯2的底面相抵接。第一凸台331能向上托住电芯2，起支撑作用，以在Y方向将电芯2定位于容纳腔内，避免电芯2与壳体1的内底壁直接接触而造成短路。
本领域技术人员可以理解的是，基板34为具有承载功能的构件，其形状可以为但不限于方形、圆形或其它形状。在一些实施例中，基板34具有第一镂空结构342，起到散热和缓冲作用。第一镂空结构342可以为方孔、圆孔或其它不规则形状的局部镂空，也可以是整体镂空。在另一些实施例中，第一限位部31设有第二镂空结构313，起到散热和缓冲作用。在第一部件311和第二部件312上均开设有第二镂空结构313。第二镂空结构313可以为两个或两个以上的圆孔、方孔或其它不规则形状。
上述实施例在具体实施时，绝缘支撑件3的总高比电芯2在壳体1的Y方向的有效高度低0.5 mm -4mm；绝缘支撑件3的四周与壳体1的内壁间隔距离为0.3 mm -1.5mm。绝缘支撑件3的第一部件311和第二部件312沿电芯2的Y方向与电芯2的重叠区域在30mm以内，有利于绝缘支撑件3对电芯2的定位。绝缘支撑件3的壁厚为2mm以内。基板34和第一限位部31，可以是一体成型的结构，也可以是分体式的结构。
在本申请一些实施例中，电池100包括：设置于第一限位部31上的第三限位部32，第三限位部32具有第三凸台321和第四凸台322，第三凸台321和第四凸台322分别自第一部件311、第二部件312相向延伸，并分别与电芯2在Z方向的两侧端面相抵接。在另一些实施例中，请参见图3和图4，第三凸台321包括若干第一子凸台3211，若干第一子凸台3211沿电芯的端面的Y方向间隔排布，并与端面相抵接；第四凸台322包括若干第二子凸台3221，若干第二子凸台3221沿电芯的端面的Y方向间隔排布，并与端面相抵接。通过多个间隔排布的第一子凸台3211、第二子凸台3221分别构成非连续的第三凸台321、第四凸台322，在相邻的两个第一子凸台3211、以及相邻的两个第二子凸台3221之间形成缓冲空间，有利于提供更好地缓冲效果，同时，多个第一子凸台3211、第二子凸台3221分别与电芯2的端面之间形成多点位接触，有利于提高对电芯2的定位效果。
上述实施例在具体实施时，绝缘支撑件3的第三凸台321和第四凸台322的面积小于等于电芯2的端面面积的三分之一，有利于绝缘支撑件3对电芯2的定位。
需要说明的是，通过在第一部件311、第二部件312上分别形成第三凸台321和第四凸台322以构成第三限位部32，使第三限位部32与基板34之间形成间隔空间，使电芯2与基板34之间形成缓冲空间，起到限制电芯2在X方向的晃动/窜动的同时，还起到缓冲作用。
在本申请一些实施例中，请参见图2、图3和图4，电池100包括：在一些实施例中，第一凸台331包括若干第三子凸台3311，若干第三子凸台3311沿电芯的底面的Z方向间隔排布，并与底面相抵接，在相邻的两个第三子凸台3311之间形成缓冲空间，有利于提供更好的缓冲效果。在一具体示例中，请参见图3，第三子凸台3311的数量为两个，两个第三子凸台3311分别抵接于电芯2的底面。
上述实施例在具体实施时，绝缘支撑件3的第一凸台331的面积小于等于电芯2底面面积的二分之一，有利用绝缘支撑件3对电芯2的定位。
在本申请一些实施例中，请参见图2，第二限位部33还具有第二凸台332，第二凸台332自第一凸台331向电芯2的Y方向延伸，并与电芯2的端面相抵接。在一些实施例中，绝缘支撑件3包括第一限位部31、第三限位部32和第二限位部33，第三限位部32具有第三凸台321和第四凸台322，第二限位部33具有第一凸台331和第二凸台332，且第一凸台331、第二凸台332与第三凸台321、第四凸台322位于同一平面内。在另一些实施例中，请参见图4，第二凸台332包括若干第四子凸台3321，若干第四子凸台3321沿电芯的端面的Z方向间隔排布，并与端面相抵接，在相邻第四子凸台3321之间形成缓冲空间，有利于提供更好的缓冲效果。在其他一些实施例中，第四子凸台3321可以为四边形结构，有利于增大第四子凸台3321与电芯2之间的接触面，以提高接触效果。但并不限定为四边形结构，可以为菱形、三角形或圆形等结构。
需要说明的是，通过在第一凸台331上形成第二凸台332，使第二凸台332与基板34之间间隔空间，从而使电芯2与基板34之间具有一缓冲空间，起到限制电芯2在X方向的晃动，同时起到缓冲作用。
在本申请一些实施例中，请参见图3，第一部件311包括若干第一挡墙3111，若干第一挡墙3111沿电芯的侧面的Y方向间隔排布，并与侧面相抵接；第二部件312包括若干第二挡墙3121，若干第二挡墙3121沿电芯的侧面的Y方向间隔排布，并与侧面相抵接。在相邻两个第一挡墙3111，以及相邻两个第二挡墙3121之间形成缓冲空间，有利于提高缓冲效果。第一挡墙3111、第二挡墙3121分别与电芯2在Z方向两侧的侧面相抵接，可有效限制电芯2在Z方向的晃动。在另一些实施例中，绝缘支撑件3还包括：第三限位部32，第三限位部32具有第三凸台321和第四凸台322，第三凸台321包括间隔排布的第一子凸台3211，且第一子凸台3211与第一挡墙3111一一对应，第四凸台322包括间隔排布的第二子凸台3221，第二子凸台3221与第二挡墙3121一一对应。在另一些实施例中，基板34包括：相对设置的两个支棱343、344和U型连接部件345，U型连接部件345的两端部分别与支棱343、344相连，组成一中空的U型板。两个支棱343、344分别具有第一表面和第二表面，第一表面用以支撑第一限位部31的第一部件311，第二表面用以支撑第一限位部31的第二部件312。本实施例的中空的U型板在提供有效支撑的同时简化了基板34的构造，减轻了绝缘支撑件3的整体重量，同时，提高了散热性能。
在本申请一些实施例中，请参见图5，壳体1的容纳腔具有沿Y方向开口的敞口端；电池100包括：顶盖组件4和第一连接部42，顶盖组件4盖于敞口端。第一连接部42设置于顶盖组件4面朝容纳腔一面。绝缘支撑件3包括：第二连接部，其设置于基板34的第一表面上，并与第一连接部42配合连接。第一连接部42可以为塑胶部件，塑胶部件通过热熔与第二连接部相连，以使绝缘支撑件3与顶盖组件4固定。在一些实施例中，请参见图1和图5，第一连接部42包括缺口421，第二连接部包括卡接凸起341，且卡接凸起341与缺口421相适配，将卡接凸起341与第一连接部42的缺口421相卡合，在顶盖组件4与绝缘支撑件3之间可形成有效的固定。缺口421的形状为可以为圆形、方形或者其它能起到承插功能的形状。在另一些实施例中，第一连接部42包括凸起，第二连接部包括卡接槽，且卡接槽与凸起相适配，将凸起与卡接槽相卡合，在顶盖组件4与绝缘支撑件3之间可形成有效的固定。
在本申请一些实施例中，请参见图5，图6，电池100包括：壳体1、两个电芯2和正极集流体、负极集流体、正极引脚41、负极引脚和两个绝缘支撑件3，其中，正极集流体设置于电芯2的一端面与绝缘支撑件3的第一表面之间，负极集流体设置于电芯2的另一端面与绝缘支撑件3的第一表面之间；正极引脚41和负极引脚设置于顶盖组件4上并伸入容纳腔中，正极引脚41、负极引脚的一侧分别与正极集流体、负极集流体通过焊接相连，以与集流体形成电连接，并在正极引脚41、负极引脚的另一侧贴绝缘胶纸。两个绝缘支撑件3分别安装于电芯2沿X方向相对的两端侧，以将电芯2沿Z方向和Y方向定位于容纳腔内，起到缓冲电芯2晃动及膨胀，降低电芯2与壳体1的第一侧壁、第二侧壁以及内底壁接触而发生短路的风险。绝缘支撑件3将正极引脚41、负极引脚与壳体1内壁完全隔离，避免正极引脚41、负极引脚与壳体1接触造成短路。
本申请上述实施例提供的电池100，其结构简单，较易于实现、制造难度低，适用于大规模推广适用，实用价值高。
相应的，本申请的实施例还提供一种电池模组，其包括上述的电池100。以及一种包括电池模组的用电设备。
下面结合具体实施例进行说明。
实施例1
本实施例提供一种电池100，请参考图5，其包括：壳体1、电芯2、顶盖组件4和两个绝缘支撑件3。
壳体1具有相对设置的第一侧壁、相对设置的第二侧壁和内底壁，相对设置的第一侧壁、相对设置的第二侧壁和内底壁围成具有X方向、Y方向和Z方向的容纳腔。
电芯2的数量为两个，且两个电芯2沿Y方向堆叠。电芯2收纳于容纳腔内，电芯2具有面向第一侧壁并沿Z方向延伸的端面、面向第二侧壁并沿X方向延伸的两个侧面，和面向内底壁并沿X方向延伸的底面。两个绝缘支撑件3分别安装于电芯2沿X方向的两端侧，以将电芯2沿Z方向和X方向定位于容纳腔内，起到缓冲电芯2晃动及膨胀的作用，降低电芯2与壳体1的第一侧壁、第二侧壁以及内底壁接触而发生短路风险。绝缘支撑件3可以采用PP塑胶材质制成。
顶盖组件4盖于敞口端；顶盖组件4上设有缺口421。
请参见图2，绝缘支撑件3包括：基板34、第一限位部31、第三限位部32和第二限位部33。
基板34的形状呈方形结构。基板34具有第一镂空结构342，第一镂空结构342由多个方孔组成，且多个方孔均匀分布。在基板34上端设有与缺口421相配合的卡接凸起341。卡接凸起341与顶盖组件4的缺口421相卡合，在顶盖组件4与绝缘支撑件3之间形成有效的固定。
第一限位部31具有相对设置的第一部件311和第二部件312，第一部件311和第二部件312自基板34的第一表面朝向电芯2方向延伸，并分别与电芯2在Z方向的两个侧面相抵接，以限制电芯2在Z方向的晃动。
第三限位部32其具有第三凸台321和第四凸台322，第三凸台321和第四凸台322分别自第一部件311、第二部件312相向延伸，并分别与电芯2在Z方向的两侧端面相抵接，以限制电芯2在X方向的晃动。
第二限位部33具有第一凸台331，第一凸台331自基板34的第一表面向电芯2的方向延伸，并与电芯2的底面相抵接。第一凸台331能向上托住电芯2，起支撑作用，以在Y方向将电芯2定位于容纳腔内，避免电芯2与壳体1的内底壁直接接触而造成短路。
实施例2
本实施例的绝缘支撑件3的结构与实施例1的不同。
请参见图3，绝缘支撑件3包括：基板34、第一限位部31、第三限位部32和第二限位部33。
基板34包括两个支棱343、344和U型连接部件345，U型连接部件345的两端部分别与支棱343、344相连，组成一中空的U型板。基板34上设有第二连接部，第二连接部通过热熔与顶盖组件4的第一连接部42连接，以使绝缘支撑件3与顶盖组件4固定。
第一限位部31具有相对设置的第一部件311和第二部件312，第一部件311包括多个间隔排布的第一挡墙3111，若干第一挡墙3111沿电芯的侧面的Y方向间隔排布，并与电芯一侧面相抵接。第二部件312包括多个间隔排布的第二挡墙3121，若干第二挡墙3121沿电芯的侧面的Y方向间隔排布，并与电芯的另一侧面相抵接。
第三限位部32具有第三凸台321和第四凸台322，其中，第三凸台321包括间隔排布的第一子凸台3211，且第一子凸台3211与第一挡墙3111一一对应，若干第一子凸台3211沿电芯的端面的Y方向间隔排布，并与端面相抵接；第四凸台322包括间隔排布的第二子凸台3221，第二子凸台3221与第二挡墙3121一一对应，若干第二子凸台3221沿电芯的端面的Y方向间隔排布，并与端面相抵接。
第二限位部33具有第一凸台331，第一凸台331为多个间隔排布的第三子凸台3311，若干第三子凸台3311沿电芯的底面的Z方向间隔排布，并与底面相抵接。
实施例3
本实施例的绝缘支撑件3的结构与实施例1的不同。
请参见4所示，绝缘支撑件3包括：基板34、第一限位部31、第三限位部32和第二限位部33。
基板34的形状呈不规则的六边形。基板34设有多个呈环形的第一镂空结构342。基板34上设有第二连接部，第二连接部通过热熔与顶盖组件4的第一连接部42连接，以使绝缘支撑件3与顶盖组件4固定。
第一限位部31具有相对设置的第一部件311和第二部件312。第一部件311包括多个间隔排布的第一挡墙3111，若干第一挡墙3111沿电芯的侧面的Y方向间隔排布，并与电芯一侧面相抵接。第二部件312包括多个间隔排布的第二挡墙3121，若干第二挡墙3121沿电芯的侧面的Y方向间隔排布，并与电芯的另一侧面相抵接。
第三限位部32具有第三凸台321和第四凸台322，其中，第三凸台321为间隔排布的第一子凸台3211，若干第一子凸台3211沿电芯的端面的Y方向间隔排布，并与端面相抵接；第四凸台322为间隔排布的第二子凸台3221，若干第二子凸台3221沿电芯的端面的Y方向间隔排布，并与端面相抵接。
第二限位部33具有第一凸台331和第二凸台332，其中，第二凸台332包括多个第四子凸台3321，且多个第四子凸台3321间隔排布，若干第四子凸台3321沿电芯的端面的Z方向间隔排布，并与端面相抵接。
所述上面结合附图对本申请实施例作了详细说明，但是本申请不限于上述实施例，在所属技术领域普通技术人员所具备的知识范围内，还可以在不脱离本申请宗旨的前提下作出各种变化。此外，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
其中，图中标记分别表示为：电池100、壳体1、电芯2、绝缘支撑件3、顶盖组件4、第一限位部31、第三限位部32、第二限位部33、基板34、正极引脚41、第一连接部42、第一部件311、第二部件312、第二镂空结构313、第三凸台321、第四凸台322、第一凸台331、第二凸台332、卡接凸起341、第一镂空结构342、支棱343、344、缺口421、第一挡墙3111、第二挡墙3121、第一子凸台3211、第二子凸台3221、第三子凸台3311、第四子凸台3321。

Claims (12)

  1. 一种电池，其特征在于，包括：
    壳体，具有容纳腔；
    电芯，设置于所述容纳腔内，所述电芯具有沿Z方向延伸的端面、沿Y方向延伸相对的两个侧面，和沿X方向延伸的底面，其中，X方向、Y方向和Z方向相互垂直；以及
    绝缘支撑件，所述绝缘支撑件包括：
    基板，所述基板具有第一表面，所述第一表面朝向所述电芯的所述端面，以实现所述电芯的所述端面与所述壳体之间绝缘隔离；
    第一限位部，具有相对设置的第一部件和第二部件，所述第一部件和所述第二部件自所述基板的所述第一表面朝向所述电芯方向延伸，并分别与所述电芯的所述两个侧面相抵接；和
    第二限位部，具有第一凸台，所述第一凸台自所述基板的所述第一表面向所述电芯的方向延伸，并与所述电芯的所述底面相抵接。
  2. 根据权利要求1所述的电池，其特征在于，还包括：
    设置于所述第一限位部上的第三限位部，所述第三限位部具有第三凸台和第四凸台，所述第三凸台和所述第四凸台分别自所述第一部件、所述第二部件相向延伸，所述第三凸台和所述第四凸台面向所述电芯的所述端面并与所述端面相抵接。
  3. 根据权利要求2所述的电池，其特征在于，所述第三凸台包括若干第一子凸台，所述若干第一子凸台沿所述电芯的所述端面的Y方向间隔排布，并与所述端面相抵接；所述第四凸台包括若干第二子凸台，所述若干第二子凸台沿所述电芯的所述端面的Y方向间隔排布，并与所述端面相抵接。
  4. 根据权利要求1至3任一项所述的电池，其特征在于，所述第二限位部具有第二凸台，所述第二凸台自所述第一凸台向所述电芯的所述Y方向延伸，并与所述电芯的所述端面相抵接。
  5. 根据权利要求1至4任一项所述的电池，其特征在于，所述第一凸台包括若干第三子凸台，所述若干第三子凸台沿所述电芯的所述底面的Z方向间隔排布，并与所述底面相抵接。
  6. 根据权利要求4所述的电池，其特征在于，所述第二凸台包括若干第四子凸台，所述若干第四子凸台沿所述电芯的所述端面的Z方向间隔排布，并与所述端面相抵接。
  7. 根据权利要求4所述的电池，其特征在于，所述第一凸台包括若干第三子凸台，所述若干第三子凸台沿所述电芯的所述底面的Z方向间隔排布，并与所述底面相抵接；
    所述第二凸台包括若干第四子凸台，所述若干第四子凸台沿所述电芯的所述端面的Z方向间隔排布，并与所述端面相抵接。
  8. 根据权利要求1至7任一项所述的电池，其特征在于，所述第一部件包括若干第一挡墙，所述若干第一挡墙沿所述电芯的所述侧面的Y方向间隔排布，并与所述侧面相抵接，所述第二部件包括若干第二挡墙，所述若干第二挡墙沿所述电芯的所述侧面的Y方向间隔排布，并与所述侧面相抵接。
  9. 根据权利要求1至8任一项所述的电池，其特征在于，所述绝缘支撑件设置为两个，两个所述绝缘支撑件分别位于所述电芯在所述X方向的两端侧。
  10. 根据权利要求1至8任一项所述的电池，其特征在于，所述壳体的容纳腔具有沿所述Y方向开口的敞口端；
    所述电池包括：顶盖组件，盖于所述敞口端；以及
    第一连接部，其设置于所述顶盖组件上；
    绝缘支撑件包括：第二连接部，设置于所述基板的所述第一表面上，与所述第一连接部配合连接。
  11. 一种电池模组，其特征在于，包括如权利要求1至10任一项所述的电池。
  12. 一种用电设备，其特征在于，包括如权利要求11所述的电池模组。
PCT/CN2023/070513 2022-07-28 2023-01-04 电池、电池模组和用电设备 WO2024021530A1 (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1728432A (zh) * 2004-07-28 2006-02-01 三星Sdi株式会社 二次电池
CN102290550A (zh) * 2010-06-21 2011-12-21 株式会社东芝 电池
US20120196166A1 (en) * 2011-01-27 2012-08-02 Dukjung Kim Secondary battery
CN103035872A (zh) * 2011-10-04 2013-04-10 株式会社杰士汤浅国际 电化学装置
CN106784586A (zh) * 2016-12-14 2017-05-31 宁德时代新能源科技股份有限公司 二次电池
JP2019061881A (ja) * 2017-09-27 2019-04-18 株式会社Ｇｓユアサ 蓄電素子
CN113767521A (zh) * 2019-09-13 2021-12-07 株式会社东芝 电池、电池组以及车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1728432A (zh) * 2004-07-28 2006-02-01 三星Sdi株式会社 二次电池
CN102290550A (zh) * 2010-06-21 2011-12-21 株式会社东芝 电池
US20120196166A1 (en) * 2011-01-27 2012-08-02 Dukjung Kim Secondary battery
CN103035872A (zh) * 2011-10-04 2013-04-10 株式会社杰士汤浅国际 电化学装置
CN106784586A (zh) * 2016-12-14 2017-05-31 宁德时代新能源科技股份有限公司 二次电池
JP2019061881A (ja) * 2017-09-27 2019-04-18 株式会社Ｇｓユアサ 蓄電素子
CN113767521A (zh) * 2019-09-13 2021-12-07 株式会社东芝 电池、电池组以及车辆

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