WO2023065687A1 - 电池单体支架、电池模组、电池及用电装置 - Google Patents

电池单体支架、电池模组、电池及用电装置 Download PDF

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Publication number
WO2023065687A1
WO2023065687A1 PCT/CN2022/097943 CN2022097943W WO2023065687A1 WO 2023065687 A1 WO2023065687 A1 WO 2023065687A1 CN 2022097943 W CN2022097943 W CN 2022097943W WO 2023065687 A1 WO2023065687 A1 WO 2023065687A1
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WO
WIPO (PCT)
Prior art keywords
battery cell
battery
clamping
frame body
insulating strip
Prior art date
Application number
PCT/CN2022/097943
Other languages
English (en)
French (fr)
Inventor
可庆朋
潘鑫
黄智杰
Original Assignee
宁德时代新能源科技股份有限公司
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 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to JP2022562497A priority Critical patent/JP7488362B2/ja
Priority to KR1020227035534A priority patent/KR20230058312A/ko
Priority to EP22783413.2A priority patent/EP4195360A4/en
Priority to US17/975,514 priority patent/US20230131069A1/en
Publication of WO2023065687A1 publication Critical patent/WO2023065687A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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

  • the present application relates to the field of batteries, in particular to a battery cell support, a battery module, a battery and an electrical device.
  • the battery cells in the battery will dissipate heat and accumulate it over time, thereby affecting the safety performance of the battery.
  • the present application provides a battery cell support, a battery module, a battery and an electrical device, which can alleviate battery safety problems caused by heat accumulation during battery use.
  • the present application provides a battery cell support, including: a frame body and an insulator, the frame body is provided with at least one first channel along a first direction, and the insulator is arranged on the frame body The outer surface, the insulator covers part or all of the outer surface, and the surface of the insulator facing away from the frame can fix the battery cells.
  • the outer surface of the frame body is provided with a ring of connection parts around the first direction, the surface of the connection part away from the frame body is a connection surface, and the connection surface is recessed to accommodate at least one The concave part, the shape of the inner wall of the accommodating concave part is adapted to the shape of the partial surface of the battery cell; the insulator is arranged on the surface of the connecting part away from the frame body.
  • the accommodating recess is elongated along the first direction, and the accommodating recess is in a concave arc shape around the first direction; and/or, the connecting portion is provided There are a plurality of accommodating recesses, and the plurality of accommodating recesses are evenly distributed on the connecting surface of the connecting part.
  • the accommodating recess is in the shape of a strip along the first direction, and the accommodating recess is in the shape of a concave arc surface around the first direction, so that the battery cell bracket can be suitable for connecting cylindrical battery cells, and the cylindrical battery can be
  • the cell is fixed more firmly;
  • the connection part is provided with a plurality of accommodating recesses, and the plurality of accommodating recesses are evenly distributed on the outer surface of the connection part, so that the battery cell bracket can fix a plurality of battery cells, and make the fixing more After a single battery cell, the heat dissipation effect is more uniform and the visual effect is good.
  • the connecting portion is a heat conducting member; and/or, the connecting portion is integrally formed with the frame; A second channel extending in the first direction.
  • the connecting part as a heat conducting member, the heat dissipated by the battery cell fixed on the battery cell support can be directed more and faster to the connecting part close to the first channel, and then dissipated through the first channel, thereby further Reduce the temperature of the battery cell itself and the surrounding environment of the battery cell fixed on the battery cell bracket; through the integral molding of the connection part and the frame body, the structural strength of the battery cell bracket can be improved; through the connection between the connection part and the frame body A second channel extending along the first direction is provided, so that the heat dissipated by the battery cells fixed on the battery cell bracket can be dissipated simultaneously through the first channel and the second channel, so as to further reduce the The temperature of the battery cell itself and the surrounding environment of the battery cell.
  • the insulating member includes: a first insulating strip and a second insulating strip, the first insulating strip is arranged around the connecting surface on the peripheral side of the connecting part, and the second insulating strip is arranged around the connecting surface.
  • the connecting surface on the peripheral side of the connecting part is arranged in a circle, and the second insulating strip and the first insulating strip are spaced apart from each other. The battery cell and the frame body can be separated by the first insulating strip and the second insulating strip, thereby preventing the frame body from being electrified.
  • the surface of the first insulating strip facing away from the connection part is recessed with a first fixing concave part adapted to the local surface shape of the battery cell, and the second insulating strip is facing away from the connecting part.
  • the surface of the part is recessed with a second fixing concave part adapted to the local surface shape of the battery cell.
  • the first fixing concave portion on the first insulating strip and the second fixing concave portion on the second insulating strip are adapted to the local surface shape of the battery cell, so that the battery cell is fixed on the battery cell bracket and connected to the first There is no gap between the insulating strip and the second insulating strip, thereby improving the stability of the battery cell and the battery cell support structure.
  • the two ends of the connecting portion along the first direction are respectively provided with a first clamping portion
  • the first insulating strip is provided with a second clamping portion
  • the two insulating strips are provided with a first clamping portion.
  • Three clamping parts, the second clamping part and the third clamping part are respectively clamped with the first clamping parts at both ends of the connecting part.
  • the first insulating strip can be fixed on one end of the connecting part through the second snapping part and the first snapping part at one end of the connecting part
  • the third snapping part is connected with the first snapping part at the other end of the connecting part.
  • the second insulating strip can be fixed at the other end of the connecting part while being clipped so that the connection efficiency between the insulating part and the connecting part is high.
  • the first clamping part is a clamping through hole; the second clamping part and the third clamping part are clamping posts, and the free ends of the clamping posts are set There is hookup.
  • the fast connection between the first insulating strip, the second insulating strip and the connecting portion can be realized through the cooperation of the snapping through hole, the snapping post and the hooking portion on the snapping post, thereby improving the assembly efficiency of the battery cell bracket.
  • the frame body is a heat conducting member; and/or, the two ends of the frame body along the first direction are respectively provided with a first flange and a second flange, and the first flange A first connection structure is provided, and the second flange is provided with a second connection structure.
  • the frame is used as a heat-conducting member, so that the heat of the battery cell itself and the surrounding environment fixed on the battery cell bracket can be guided to the frame more and faster and then dissipated through the first channel on the frame; through the first The first connection structure of the flange and the second connection structure of the second flange can more conveniently fix the battery cell bracket in the battery module box.
  • the present application provides a battery module, including: a battery cell and the battery cell bracket described in any of the above schemes, and the insulator of the battery cell connected to the battery cell bracket is away from surface of the frame.
  • the present application provides a battery, including: the battery module described in any of the solutions above.
  • the present application provides an electrical device, including: the battery described in any of the above solutions.
  • FIG. 1 is a schematic structural view of a vehicle in some embodiments of the present application.
  • FIG. 2 is a schematic diagram of an exploded structure of a battery in some embodiments of the present application.
  • FIG. 3 is a schematic structural diagram of a battery module in some embodiments of the present application.
  • FIG. 4 is a schematic structural diagram of a battery module in some embodiments of the present application.
  • FIG. 5 is a schematic diagram of an exploded structure of a battery module according to some embodiments of the present application.
  • FIG. 6 is a schematic diagram of an exploded structure of a battery cell bracket in some embodiments of the present application.
  • Fig. 7 is a schematic diagram of the enlarged structure of the A region of the battery cell bracket in some embodiments of the present application.
  • Fig. 8 is a schematic structural diagram of a battery cell bracket in some embodiments of the present application.
  • Fig. 9 is a schematic cross-sectional structure diagram of battery cell brackets along line A-B in some embodiments of the present application.
  • Fig. 10 is a schematic structural diagram of the first insulating strip of the battery cell bracket in some embodiments of the present application.
  • Fig. 11 is a schematic diagram of the enlarged structure of the B area of the battery cell bracket in some embodiments of the present application.
  • FIG. 12 is a partially enlarged structural schematic diagram of the B area of the battery cell bracket in some embodiments of the present application.
  • multiple refers to more than two (including two), similarly, “multiple groups” refers to more than two groups (including two), and “multiple pieces” refers to More than two pieces (including two pieces).
  • Power batteries are not only used in energy storage power systems such as hydraulic, thermal, wind and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric vehicles, as well as military equipment and aerospace and other fields . With the continuous expansion of power battery application fields, its market demand is also constantly expanding.
  • a battery cell bracket can be installed at the location where the battery cells are concentrated in the battery, heat dissipation channels with openings at both ends can be set on the battery cell bracket, and the battery cells
  • the outer surface of the battery cell bracket surrounding the heat dissipation channel for example: the battery cell bracket is a hollow structure, and the battery cell is fixed on the outer wall of the battery cell bracket, when the battery cell emits heat, the heat is The natural flow of air flows away through the cooling channels.
  • the inventor in order to solve the battery safety problem caused by the heat accumulation during the use of the battery cell, the inventor has conducted in-depth research and designed a battery cell bracket, which takes away the battery cell through the heat dissipation channel in the battery cell bracket. The heat dissipated by the body, thereby reducing the amount of heat accumulated during battery use.
  • the battery cell bracket disclosed in the embodiments of the present application can be connected with the battery cells to form a battery module, which can be used in electric devices such as vehicles, ships or aircrafts, but not limited to, using a battery equipped with a battery module
  • the battery constitutes the power system of the electrical device. This helps the heat dissipation of the battery, improves the safety of the battery, and prolongs the service life of the battery.
  • the embodiment of the present application provides an electric device using a battery as a power source.
  • the electric device can be, but not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, and the like.
  • electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric boat toys, electric airplane toys, etc.
  • spacecraft may include airplanes, rockets, space shuttles, spaceships, etc.
  • a vehicle 1000 as an electric device according to an embodiment of the present application is taken as an example for description.
  • FIG. 1 is a schematic structural diagram of a vehicle 1000 provided by some embodiments of the present application.
  • the vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle.
  • the interior of the vehicle 1000 is provided with a battery 100 , and the battery 100 may be provided at the bottom, head or tail of the vehicle 1000 .
  • the battery 100 can be used to supply power to the vehicle 1000 , for example, the battery 100 can be used as an operating power source of the vehicle 1000 .
  • the vehicle 1000 may further include a controller 200 and a motor 300 , the controller 200 is used to control the battery 100 to supply power to the motor 300 , for example, the controller 200 is used for starting, navigating and running the vehicle 1000 .
  • the battery 100 can not only be used as an operating power source for the vehicle 1000 , but can also be used as a driving power source for the vehicle 1000 , replacing or partially replacing fuel oil or natural gas to provide driving power for the vehicle 1000 .
  • FIG. 2 is an exploded view of a battery 100 provided by some embodiments of the present application.
  • the battery 100 includes: a casing 10 and a battery module 20 , and the battery module 20 is housed in the casing 10 .
  • the box body 10 is used to provide an accommodation space for the battery module 20, and the box body 10 may adopt various structures.
  • the box body 10 may include a first part 11 and a second part 12, the first part 11 and the second part 12 cover each other, the first part 11 and the second part 12 jointly define a of accommodation space.
  • the second part 12 can be a hollow structure with one end open, the first part 11 can be a plate-like structure, and the first part 11 covers the opening side of the second part 12, so that the first part 11 and the second part 12 jointly define an accommodation space ;
  • the first part 11 and the second part 12 can also be hollow structures with one side opening, and the opening side of the first part 11 is covered by the opening side of the second part 12 .
  • the box body 10 formed by the first part 11 and the second part 12 can be in various shapes, such as a cylinder, a cuboid and the like.
  • the battery 100 there may be multiple battery modules 20 , and the multiple battery modules 20 may be connected in series, in parallel or in parallel.
  • the mixed connection means that the multiple battery modules 20 are both in series and in parallel.
  • a plurality of battery modules 20 can be directly connected in series, in parallel or mixed together, and then the whole composed of the plurality of battery modules 20 is accommodated in the case 10 .
  • the battery 100 may also include other structures, for example, the battery 100 may also include a bus component for realizing electrical connection between multiple battery modules 20 .
  • FIG. 3 is a top view of a battery module 20 provided by some embodiments of the present application.
  • the battery module 20 includes: battery cells 21 .
  • the battery module 20 there may be multiple battery cells 21 , and the multiple battery cells 21 may be connected in series, parallel or mixed.
  • the plurality of battery cells 21 can be directly connected in series, in parallel or mixed together, and then the whole composed of the plurality of battery cells 21 is housed in the case 10 .
  • each battery cell 21 may be a secondary battery or a primary battery; it may also be a lithium-sulfur battery, a sodium-ion battery or a magnesium-ion battery, but is not limited thereto.
  • the battery cell 21 can be in the form of a cylinder, a flat body, a cuboid or other shapes.
  • FIG. 4 is a schematic structural diagram of a battery module provided in some embodiments of the present application
  • Fig. 5 is a schematic diagram of a battery provided in some embodiments of the present application Schematic diagram of the exploded structure of the module
  • Figure 6 is a schematic diagram of the exploded structure of the battery cell bracket provided by some embodiments of the present application
  • Figure 7 is a schematic diagram of the enlarged structure of the A area of the battery cell bracket provided by some embodiments of the present application
  • Figure 8 Schematic diagram of the structure of the battery cell bracket provided by some embodiments of the present application.
  • FIG. 9 is a schematic cross-sectional structure diagram of the battery cell bracket provided by some embodiments of the present application along the line A-B.
  • FIG. 10 is a schematic diagram of the battery cell provided by some embodiments of the present application. Schematic diagram of the structure of the first insulating strip of the body support, Fig. 11 is a schematic diagram of the enlarged structure of the B area of the battery cell support provided by some embodiments of the present application, and Fig. 12 is the B area of the battery cell support provided by some embodiments of the present application Schematic diagram of the partially enlarged structure.
  • the present application provides a battery cell support 22 .
  • the battery cell support 22 fixes the battery cells 21 to form a battery module 20 .
  • the battery cell support 22 includes: a frame body 221 and an insulator 222, the frame body 221 is provided with at least one first channel 2211 along the first direction, the insulator 222 is arranged on the outer surface of the frame body 221, and the insulator 222 covers part or all of the On the outer surface, the surface of the insulator 222 facing away from the frame body 221 can fix the battery cell 21 .
  • the frame body 221 is provided with at least one first channel 2211 along the first direction.
  • the first channel 2211 refers to a channel with openings at both ends, that is to say, the two ends of the first channel 2211 along the first direction respectively have a first opening and a second Two openings, here, the first channel 2211 forms the heat dissipation channel of the battery cell support 22 .
  • the inner wall of the first channel 2211 may be a smooth curved inner wall, a smooth folded line inner wall, a honeycomb concave-convex inner wall, or an inner wall of other shapes, which are not specifically limited here.
  • the frame body 221 is provided with at least one first channel 2211 along the first direction.
  • the frame body 221 may be provided with one first channel 2211 along the first direction, or may be provided with multiple first channels 2211 along the first direction.
  • the frame body 221 is opened with a first channel 2211 along a first direction to form a hollow frame body 221 .
  • the dimensions of the multiple first channels 2211 along the second direction perpendicular to the first direction may be the same or different from each other.
  • the multiple first channels 2211 may be arranged uniformly or unevenly.
  • the insulating member 222 refers to a structural member made of insulating material, which is disposed on the outer surface of the frame body 221 , that is, the insulating member 222 is disposed on the surface of the frame body 221 away from the first channel 2211 .
  • the insulator 222 covers part or all of the outer surface, that is, the insulator 222 is provided on part or all of the surface of the frame body 221 away from the first channel 2211, and the surface of the insulator 222 away from the frame body 221 can fix the battery cell 21, thereby It can prevent the electricity on the battery cell 21 from being guided to the frame body 221 .
  • the temperature of the surrounding environment of the monomer can alleviate battery safety problems caused by heat accumulation during battery use.
  • the outer surface of the frame body 221 is provided with a circle of connecting parts 2212 around the first direction, and the surface of the connecting part 2212 away from the frame body 221 is the connecting surface.
  • the connection surface is depressed with at least one receiving recess 2213 , the shape of the inner wall of the receiving recess 2213 is adapted to the shape of the partial surface of the battery cell 21 , and the insulating member 222 is disposed on the surface of the connecting part 2212 away from the frame body 221 .
  • the connecting portion 2212 is disposed on the outer surface of the frame body 221 in a circle around the first direction, that is, the connecting portion 2212 extends circumferentially around the first direction.
  • the connection surface is recessed with at least one receiving recess 2213, the shape of the inner wall of the receiving recess 2213 is adapted to the shape of the partial surface of the battery cell 21, that is, if the battery cell 21 is placed in the receiving recess 2213
  • the battery cell 21 can be attached to the inner wall of the accommodating recess 2213 .
  • the battery cell 21 can be fixed in the receiving recess 2213 by insulating glue.
  • the shape of the accommodating recess By setting the shape of the accommodating recess to match the local surface shape of the battery cell, when the battery cell is fixed in the accommodating recess, there is no gap between the battery cell and the frame, so that the battery cell and the The connection between the battery cell supports is stronger.
  • the accommodating recess 2213 is in the shape of a strip along the first direction, and the accommodating recess 2213 is in a concave arc shape around the first direction; And/or, the connection part 2212 is provided with a plurality of accommodating recesses 2213 , and the plurality of accommodating recesses 2213 are evenly distributed on the connection surface of the connection part 2212 .
  • the accommodating concave portion 2213 is elongated along the first direction, and the accommodating concave portion 2213 is in a concave arc shape around the first direction, that is, the shape of the inner wall of the accommodating concave portion 2213 is compatible with the local surface shape of the cylindrical battery cell 21 Matching, so that the battery cell bracket 22 in this embodiment can be adapted to connect the cylindrical battery cells 21.
  • connection part 2212 is provided with a plurality of accommodating recesses 2213, and the plurality of accommodating recesses 2213 are evenly distributed on the connection surface of the connection part 2212, that is, the outer surface of one battery cell bracket 22 can fix multiple battery cells 21, and multiple The battery cells 21 may be evenly arranged.
  • the accommodating recess is in the shape of a strip along the first direction, and the accommodating recess is in the shape of a concave arc surface around the first direction, so that the battery cell bracket can be suitable for connecting cylindrical battery cells, and the cylindrical battery can be
  • the cell is fixed more firmly;
  • the connection part is provided with a plurality of accommodating recesses, and the plurality of accommodating recesses are evenly distributed on the outer surface of the connection part, so that the battery cell bracket can fix a plurality of battery cells, and make the fixing more After a single battery cell, the heat dissipation effect is more uniform and the visual effect is good.
  • the connecting portion 2212 is a heat conducting member; and/or, the connecting portion 2212 is integrally formed with the frame body 221; and/or, the connecting portion 2212 is integrated with A second channel extending along the first direction is disposed between the frame bodies 221 .
  • the connecting part 2212 is a heat conducting member, that is, the connecting part 2212 is made of a material with thermal conductivity, for example, the connecting part 2212 is made of aluminum material, so that the battery cell 21 fixed on the battery cell bracket 22
  • the dissipated heat can be conducted more and faster to the connecting portion 2212 close to the first channel 2211 and then taken away through the first channel 2211, so as to further reduce the temperature of the battery cell 21 itself and the battery fixed on the battery cell bracket 22.
  • the temperature of the surrounding environment of the monomer 21 is a heat conducting member, that is, the connecting part 2212 is made of a material with thermal conductivity, for example, the connecting part 2212 is made of aluminum material, so that the battery cell 21 fixed on the battery cell bracket 22
  • the dissipated heat can be conducted more and faster to the connecting portion 2212 close to the first channel 2211 and then taken away through the first channel 2211, so as to further reduce the temperature of the battery cell 21 itself and the battery fixed on the battery cell bracket 22.
  • connection part 2212 is integrally formed with the frame body 221 , for example, the connection part 2212 and the frame body 221 are integrally formed by injection molding, and the integral molding can improve the structural strength after the connection part 2212 and the frame body 221 are connected.
  • a second channel extending along the first direction is provided between the connecting part 2212 and the frame body 221.
  • the second channel is a channel with openings at both ends.
  • the number of the second channel can be one or more.
  • the connecting part as a heat conducting member, the heat dissipated by the battery cell fixed on the battery cell support can be directed more and faster to the connecting part close to the first channel, and then dissipated through the first channel, thereby further Reduce the temperature of the battery cell itself and the surrounding environment of the battery cell fixed on the battery cell bracket; through the integral molding of the connection part and the frame body, the structural strength of the battery cell bracket can be improved; through the connection between the connection part and the frame body A second channel extending along the first direction is provided, so that the heat dissipated by the battery cells fixed on the battery cell bracket can be dissipated simultaneously through the first channel and the second channel, so as to further reduce the The temperature of the battery cell itself and the surrounding environment of the battery cell.
  • the insulating member 222 includes: a first insulating strip 222a and a second insulating strip 222b, the first insulating strip 222a surrounds the connecting portion 2212
  • the connecting surface is provided in one circle
  • the second insulating strip 222b is provided in one circle around the connecting surface on the peripheral side of the connecting portion 2212
  • the second insulating strip 222b and the first insulating strip 222a are spaced apart from each other.
  • the first insulating strip 222a and the second insulating strip 222b are spaced apart from each other along the first direction and arranged on the outer surface of the connecting portion 2212. When the battery cell 21 is assembled, the space between the first insulating strip 222a and the second insulating strip 222b can be filled.
  • the insulating glue is used to fix the battery cell 21 on the battery cell bracket 22.
  • the insulating glue can not only insulate, but also realize the connection of the battery cell 21 and the connection surface of the connecting part 2212, and because the insulating glue is not flowing after filling state, the insulating glue can be flush with the corresponding positions of the first insulating strip 222 a and the second insulating strip 222 b by pressing the battery cell 21 , so that the battery cell 21 extends along the first direction after being fixed.
  • an insulating pad may also be placed between the first insulating strip 222 a and the second insulating strip 222 b to realize the insulation between the battery cell 21 and the connecting portion 2212 .
  • the battery cells and the frame can be separated by the first insulating strip and the second insulating strip, thereby preventing the frame from being charged.
  • the surface of the first insulating strip 222a facing away from the connecting portion 2212 is recessed with a first fixing part adapted to the local surface shape of the battery cell 21 .
  • the concave part, the surface of the second insulating strip 222 b facing away from the connection part 2212 is recessed with a second fixing concave part adapted to the local surface shape of the battery cell 21 .
  • the shape of the first fixing recess is adapted to the local surface shape of the battery cell 21. After the battery cell 21 is fixed on the battery cell bracket 22, the partial surface of the battery cell 21 is attached to the first fixing recess, and similarly , the partial surface of the battery cell 21 is attached to the second fixing recess.
  • the surface of the first insulating strip 222a facing away from the connecting portion 2212 may be provided with a plurality of first fixing recesses to fix a plurality of battery cells 21.
  • the surface of the second insulating strip 222b facing away from the connecting portion 2212 may be provided with a plurality of second fixing recesses.
  • the fixing recess is used to fix a plurality of battery cells 21.
  • the first fixing recess corresponds to the receiving recess 2213
  • the second fixing recess corresponds to the receiving recess 2213.
  • the first insulating strip 222a and the second The two insulating strips 222b are respectively provided with a plurality of first fixing recesses and a plurality of second fixing recesses, and the two ends of one accommodating recess 2213 respectively correspond to a first fixing recess and a second fixing recess, so that along the first direction The extended first fixing recess, the accommodating recess 2213 and the second fixing recess can cooperate to fix one battery cell 21 .
  • the first fixing concave portion on the first insulating strip and the second fixing concave portion on the second insulating strip are adapted to the local surface shape of the battery cell, so that the battery cell is fixed on the battery cell bracket and connected to the first There is no gap between the insulating strip and the second insulating strip, thereby improving the stability of the battery cell and the battery cell support structure.
  • the two ends of the connecting part 2212 along the first direction are respectively provided with a first clamping part, and the first insulating strip 222a is provided with a second clamping part.
  • the connecting portion 2221 and the second insulating strip are provided with a third engaging portion 2222 ; wherein, the second engaging portion 2221 and the third engaging portion 2222 are respectively engaged with the first engaging portions at two ends of the connecting portion 2212 .
  • the first insulating strip can be fixed on one end of the connecting part through the second snapping part and the first snapping part at one end of the connecting part, and the third snapping part is connected with the first snapping part at the other end of the connecting part.
  • the second insulating strip can be fixed at the other end of the connecting part while being clipped so that the connection efficiency between the insulating part and the connecting part is high.
  • the first clamping part is a clamping through hole
  • the second clamping part 2221 and the third clamping part 2222 are both clamping posts
  • the free end of the clamping post is provided with a hooking portion
  • the connecting portion 2212 has a first end surface and a second end surface facing away from each other along the first direction, the first end surface and the second end surface are connected by a connecting surface, and the two ends of the connecting portion 2212 are respectively provided with a first locking through hole and a second end surface.
  • the locking through hole 2223, the first locking through hole communicates with the first end surface and the connecting surface, and the second locking through hole 2223 communicates with the second end surface and the connecting surface.
  • the first clamping column of the second clamping part 2221 enters from the opening of the first clamping through hole on the first end face side and protrudes from the opening on the other side of the first clamping through hole, and the second clamping part 2221
  • the first hooking portion on the first locking post protrudes from the opening on the other side of the first locking through hole and engages with the edge of the opening to realize the connection between the second locking portion 2221 and the first locking through hole. Card access.
  • the second clamping column 2224 of the third clamping part 2222 enters from the opening of the second clamping through hole 2223 on the second end face side and protrudes from the opening on the other side of the second clamping through hole 2223, and the third clamping
  • the second hooking portion 2225 on the second locking post 2224 of the second locking portion 2222 protrudes from the opening on the other side of the second locking through hole 2223 and engages with the edge of the opening to realize the third locking portion 2221 and the second locking portion 2221.
  • Two snap-through holes 2223 are snapped together.
  • the fast connection between the first insulating strip, the second insulating strip and the connecting portion can be realized through the cooperation of the snapping through hole, the snapping post and the hooking portion on the snapping post, thereby improving the assembly efficiency of the battery cell bracket.
  • the free end of the fastening post is provided with a notch to form a first sub-end 2226 and a second sub-end 2227 opposite to each other, and The opposite surfaces of the first sub-end 2226 and the second sub-end 2227 respectively protrude from the first sub-hooking portion 2228 and the second sub-hooking portion 2229.
  • the first sub-hooking portion 2228 and the second sub-hooking portion 2229 are exposed and respectively hooked on the outer edge of the locking through hole.
  • the first sub-hooking part 2228 and the second sub-hooking part 2229 are a kind of hooking part structure, of course, other structures may also be used in actual implementation.
  • the frame body 221 is a heat conducting member; and/or, the two ends of the frame body 221 along the first direction are respectively provided with a first flange and a second flange
  • the first flange is provided with a first connection structure
  • the second flange is provided with a second connection structure.
  • the frame body 221 is a heat-conducting member, that is, the frame body 221 is made of a material with thermal conductivity; the two ends of the frame body 221 along the first direction are respectively provided with a first flanging and a second flanging, and the first flanging is provided with The first connection structure and the second flange are provided with a second connection structure, here, the battery cell bracket 22 can be fixed inside through the first connection structure and the second connection structure.
  • the frame is used as a heat-conducting member, so that the heat of the battery cell itself and the surrounding environment fixed on the battery cell bracket can be guided to the frame more and faster and then dissipated through the first channel on the frame; through the first
  • the first connection structure of the flange and the second connection structure of the second flange can more conveniently fix the battery cell bracket in the battery module box.
  • FIG. 4 is a schematic structural diagram of a battery module provided in some embodiments of the present application
  • FIG. 5 is a schematic diagram of an exploded structure of a battery module provided in some embodiments of the present application.
  • the present application also provides a battery module 20, including: a battery cell 21 and the battery cell bracket 22 described in any of the above schemes, the insulating member 222 connecting the battery cell 21 to the battery cell bracket 22 is away from the frame body 221 surface.
  • the present application also provides a battery 100, including: the battery module described in any of the above solutions.
  • the present application also provides an electric device, including: the battery described in any one of the solutions above.
  • the present application provides a battery module 20 .
  • the battery module 20 includes: a battery cell 21 and a battery cell support 22 .
  • the battery cell 21 is a cylindrical battery cell.
  • the battery cell support 22 includes: a support body 221 , a connecting portion 2212 and an insulating member 222 .
  • the frame body 221 defines a first channel 2211 along the first direction.
  • the connecting part 2212 is provided around the first direction on the outer surface of the frame body 221 and integrally formed with the frame body 221, and the connecting surface is recessed around the first direction with a plurality of accommodating recesses 2213.
  • the shape of the partial surfaces of the cells 21 is adapted.
  • the insulating member 222 includes: a first insulating strip 222a and a second insulating strip 222b, the first insulating strip 222a is arranged around the outer surface of the connecting portion 2212, and the second insulating strip 222b is arranged around the outer surface of the connecting portion 2212
  • One circle, the second insulating strip 222b and the first insulating strip 222a are respectively arranged at the two ends of the connecting portion 2212 on the side away from the frame body 221 and along the first direction, the first insulating strip 222a and the second insulating strip 222b are away from the connecting portion 2212
  • the surfaces of each are adapted to the partial surface of the battery cell 21 , and the first insulating strip 222 a and the second insulating strip 222 b are engaged with the connecting portion 2212 respectively. Insulating glue is filled between the first insulating strip 222 a and the second insulating strip 222 b to fix and insulate the battery cells 21 .

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请公开了一种电池单体支架、电池模组、电池及用电装置。电池单体支架包括：架体和绝缘件，所述架体沿第一方向开设有至少一个第一通道，所述绝缘件设置于所述架体的外表面，所述绝缘件覆盖部分或者全部所述外表面，所述绝缘件背离所述架体的表面能够固定电池单体。通过在架体上设置第一通道，而电池单体固定在第一通道周侧的架体上，当电池单体散发热量后，热量通过第一通道流出，从而能够降低电池单体本身及电池单体周围环境的温度，由此能够缓解电池使用过程中的热量积累导致的电池安全问题。

Description

电池单体支架、电池模组、电池及用电装置
相关申请的交叉引用
本申请要求享有于2021年10月22日提交的名称为“电池单体支架、电池模组、电池及用电装置”的中国专利申请202111235968.9的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及电池领域，尤其涉及一种电池单体支架、电池模组、电池及用电装置。
背景技术
节能减排是汽车产业可持续发展的关键，电动车辆由于其节能环保的优势成为汽车产业可持续发展的重要组成部分。对于电动车辆而言，电池技术又是关乎其发展的一项重要因素。
现有的电池在充放电的使用过程中，电池内的电池单体会散发热量并随着时间的持续而积累，从而影响电池的安全性能。
发明内容
鉴于上述问题，本申请提供一种电池单体支架、电池模组、电池及用电装置，能够缓解电池使用过程中的热量积累导致的电池安全问题。
第一方面，本申请提供了一种电池单体支架，包括：架体和绝缘件，所述架体沿第一方向开设有至少一个第一通道，所述绝缘件设置于所述架体的外表面，所述绝缘件覆盖部分或者全部所述外表面，所述绝缘件背离所述架体的表面能够固定电池单体。
本申请实施例的技术方案中，通过在架体上设置第一通道，而电池单体固定在第一通道周侧的架体上，当电池单体散发热量后，热量通过第一通道流出，从而能够降低电池单体本身及电池单体周围环境的温度，由此能够缓解电池使用过程中的热量积累导致的电池安全问题。
在一些实施例中，所述架体的外表面绕所述第一方向设置有一圈连接部，所述连接部背离所述架体的表面为连接表面，所述连接表面凹陷有至少一个容置凹部，所述容置凹部的内壁形状与所述电池单体的局部表面的形状相适配；所述绝缘件设置于所述连接部背离所述架体的表面。通过将容置凹部的形状设置为与电池单体的局部表面形状相适配，当电池单体固定于容置凹部内后使得电池单体和架体之间无间隙，从而使得电池单体和电池单体支架之间的连接更为牢固。
在一些实施例中，所述容置凹部沿所述第一方向呈长条状，且所述容置凹部绕所述第一方向呈凹陷的弧面状；和/或，所述连接部设置有多个所述容置凹部，多个所述容置凹部均匀分布于所述连接部的连接表面。通过容置凹部沿第一方向呈长条状，且容置凹部绕第一方向呈凹陷的弧面状，从而使得电池单体支架能够适用于连接圆柱形电池单体，并能够将圆柱形电池单体固定的更牢固；通过连接部设置有多个容置凹部，多个容置凹部均匀分布于连接部的外表面，从而使得电池单体支架能够固定多个电池单体，而且使得固定多个电池单体后的散热效果更均匀，视觉效果好。
在一些实施例中，所述连接部为导热件；和/或，所述连接部与所述架体一体成型；和/或，所述连接部与所述架体之间设置有沿所述第一方向延伸的第二通道。通过连接部为导热件，使得固定在电池单体支架上的电池单体所散发的热量能够更多且更快的导向靠近第一通道的连接部，进而通过第一通道散发，由此能够进一步降低固定在电池单体支架上的电池单体本身及电池单体周围环境的温度；通过连接部与架体一体成型，以能够提升电池单体支架的结构强度；通过连接部与架体之间设置有沿第一方向延伸的第二通道，使得固定在电池单体支架上的电池单体所散发的热量能够通过第一通道和第二通道同时散发，以能够进一步降低固定在电池单体支架上的电池单体本身及电池单体周围环境的温度。
在一些实施例中，所述绝缘件包括：第一绝缘条和第二绝缘条，所述第一绝缘条绕所述连接部周侧的连接表面设置一圈，所述第二绝缘条绕所述连接部周侧的连接表面设置一圈，所述第二绝缘条和所述第一绝缘条彼此间隔开。通过第一绝缘条和第二绝缘条能够将电池单体与架体分隔 开，从而能够防止架体带电。
在一些实施例中，所述第一绝缘条背离所述连接部的表面凹陷有与所述电池单体的局部表面形状相适配的第一固定凹部，所述第二绝缘条背离所述连接部的表面凹陷有与所述电池单体的局部表面形状相适配的第二固定凹部。通过第一绝缘条上的第一固定凹部和第二绝缘条上的第二固定凹部与电池单体的局部表面形状相适配，从而使得电池单体固定于电池单体支架上后与第一绝缘条和第二绝缘条之间无间隙，由此能够提升电池单体和电池单体支架结构的稳定性。
在一些实施例中，所述连接部沿所述第一方向的两端分别设置有第一卡接部，所述第一绝缘条设置有第二卡接部，所述二绝缘条设置有第三卡接部，所述第二卡接部和所述第三卡接部分别与所述连接部两端的第一卡接部卡接。通过第二卡接部和连接部一端的第一卡接部卡接以能够将第一绝缘条固定在连接部的一端，通过第三卡接部和连接部另一端的第一卡接部连接以能够将第二绝缘条固定在连接部的另一端，同时卡接的方式使得绝缘件和连接部之间的连接效率高。
在一些实施例中，所述第一卡接部为卡接通孔；所述第二卡接部和所述第三卡接部均为卡接柱，且所述卡接柱的自由端设置有勾合部。通过卡接通孔、卡接柱及卡接柱上的勾合部的配合能够实现第一绝缘条、第二绝缘条与连接部的快速连接，从而能够提升电池单体支架的装配效率。
在一些实施例中，所述架体为导热件；和/或，所述架体沿所述第一方向的两端分别设置有第一翻边和第二翻边，所述第一翻边设置有第一连接结构，所述第二翻边设置有第二连接结构。通过架体为导热件，使得固定在电池单体支架上的电池单体本身及周围环境的热量能够更多、更快的导向架体进而通过架体上的第一通道散出；通过第一翻边的第一连接结构和第二翻边的第二连接结构能够更便捷的将电池单体支架固定于电池模组箱体内。
第二方面，本申请提供了一种电池模组，包括：电池单体和以上任一方案中所述的电池单体支架，所述电池单体连接于所述电池单体支架的绝缘件背离架体的表面。
第三方面，本申请提供了一种电池，包括：以上任一方案中所述的电池模组。
第四方面，本申请提供了一种用电装置，包括：以上任一方案中所述的电池。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
附图说明
通过阅读对下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本申请的限制。而且在全部附图中，用相同的附图标号表示相同的部件。在附图中：
图1为本申请一些实施例的车辆的结构示意图；
图2为本申请一些实施例的电池的分解结构示意图；
图3为本申请一些实施例的电池模组的结构示意图；
图4为本申请一些实施例的电池模组的结构示意图；
图5为本申请一些实施例的电池模组的分解结构示意图；
图6为本申请一些实施例的电池单体支架的分解结构示意图；
图7为本申请一些实施例的电池单体支架的A区域的放大结构示意图；
图8为本申请一些实施例的电池单体支架的结构示意图；
图9为本申请一些实施例的电池单体支架沿A-B线的剖面结构示意图；
图10为本申请一些实施例的电池单体支架的第一绝缘条的结构示意图；
图11为本申请一些实施例的电池单体支架的B区域的放大结构示意图；
图12为本申请一些实施例的电池单体支架的B区域的局部放大结构示意图。
具体实施方式中的附图标号如下：
1000-车辆；100-电池，200-控制器，300-马达；10-箱体，11-第一部分，12-第二部分；20-电池模组，21-电池单体；22-电池单体支架，221-架体，2211-第一通道，2212-连接部，2213-容置凹部，2214-第一卡接部；222-绝缘件，222a-第一绝缘条，222b-第二绝缘条，2221-第二卡接部，2222-第三卡接部，2223-第二卡接通孔，2224-第二卡接柱，2225-第二勾合部，2226-第一子端部，2227-第二子端部，2228-第一子勾合部，2229-第二子勾合部。
具体实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：存在A，同时存在A和B，存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请实施例的描述中，术语“多个”指的是两个以上(包括两个)，同理，“多组”指的是两组以上(包括两组)，“多片”指的是两片以上(包括两片)。
在本申请实施例的描述中，技术术语“中心”“纵向”“横向”“长度”“宽度”“厚度”“上”“下”“前”“后”“左”“右”“竖直”“水平”“顶”“底”“内”“外”“顺时针”“逆时针”“轴向”“径向”“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请实施例的限制。
在本申请实施例的描述中，除非另有明确的规定和限定，技术术语“安装”“相连”“连接”“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；也可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
目前，从市场形势的发展来看，动力电池的应用越加广泛。动力电池不仅被应用于水力、火力、风力和太阳能电站等储能电源系统，而且还被广泛应用于电动自行车、电动摩托车、电动汽车等电动交通工具，以及军事装备和航空航天等多个领域。随着动力电池应用领域的不断扩大，其市场的需求量也在不断地扩增。
本发明人注意到，随着电池的充放电循环，电池内的电池单体散发出热量，热量的积累导致电池单体的使用温度过高会严重影响电池的使用寿命，且持续的高温状态极易引发电池的热失 控，造成难以估量的损失，危害人身安全。
为了缓解电池单体热量积累的问题，申请人研究发现，可以在电池内电池单体集中的位置设置电池单体支架，在电池单体支架上设置两端开口的散热通道，并将电池单体围设在散热通道周侧的电池单体支架外表面上，比如：电池单体支架为中空结构，而电池单体固定在电池单体支架的外壁，当电池单体散发出热量后，热量在空气的自然流动下通过散热通道流走。
基于以上考虑，为了解决电池单体使用过程中热量积累所导致的电池安全问题，发明人经过深入研究，设计了一种电池单体支架，通过电池单体支架内的散热通道来带走电池单体所散发的热量，由此来减少电池使用过程中热量的积累量。
本申请实施例中所公开的电池单体支架可以与电池单体连接形成电池模组，该电池模组可以但不限用于车辆、船舶或飞行器等用电装置中，使用具备电池模组的电池组成用电装置的电源系统。这样有助于电池的散热，提升电池的使用安全性、延长电池的使用寿命。
本申请实施例提供一种使用电池作为电源的用电装置，用电装置可以为但不限于手机、平板、笔记本电脑、电动玩具、电动工具、电瓶车、电动汽车、轮船、航天器等等。其中，电动玩具可以包括固定式或移动式的电动玩具，例如，游戏机、电动汽车玩具、电动轮船玩具和电动飞机玩具等等，航天器可以包括飞机、火箭、航天飞机和宇宙飞船等等。
以下实施例为了方便说明，以本申请一实施例的一种用电装置为车辆1000为例进行说明。
请参照图1，图1为本申请一些实施例提供的车辆1000的结构示意图。车辆1000可以为燃油汽车、燃气汽车或新能源汽车，新能源汽车可以是纯电动汽车、混合动力汽车或增程式汽车等。车辆1000的内部设置有电池100，电池100可以设置在车辆1000的底部或头部或尾部。电池100可以用于为车辆1000的供电，例如，电池100可以作为车辆1000的操作电源。车辆1000还可以包括控制器200和马达300，控制器200用来控制电池100为马达300供电，例如，控制器200用于车辆1000的启动、导航和行驶时的工作用电需求。
在本申请一些实施例中，电池100不仅可以作为车辆1000的操作电源，还可以作为车辆1000的驱动电源，代替或部分地代替燃油或天然气为车辆1000提供驱动动力。
请参照图2，图2为本申请一些实施例提供的电池100的爆炸图。电池100包括：箱体10和电池模组20，电池模组20容纳于箱体10内。其中，箱体10用于为电池模组20提供容纳空间，箱体10可以采用多种结构。在一些实施例中，箱体10可以包括第一部分11和第二部分12，第一部分11与第二部分12相互盖合，第一部分11和第二部分12共同限定出用于容纳电池模组20的容纳空间。第二部分12可以为一端开口的空心结构，第一部分11可以为板状结构，第一部分11盖合于第二部分12的开口侧，以使第一部分11与第二部分12共同限定出容纳空间；第一部分11和第二部分12也可以是均为一侧开口的空心结构，第一部分11的开口侧盖合于第二部分12的开口侧。当然，第一部分11和第二部分12形成的箱体10可以是多种形状，比如，圆柱体、长方体等。
在电池100中，电池模组20可以是多个，多个电池模组20之间可串联或并联或混联，混联是指多个电池模组20中既有串联又有并联。多个电池模组20之间可直接串联或并联或混联在一起，再将多个电池模组20构成的整体容纳于箱体10内。电池100还可以包括其他结构，例如，该电池100还可以包括汇流部件，用于实现多个电池模组20之间的电连接。
请参照图3，图3为本申请一些实施例提供的电池模组20的俯视图。电池模组20包括：电池单体21。在电池模组20中，电池单体21可以是多个，多个电池单体21之间可串联或并联或混联，混联是指多个电池单体21中既有串联又有并联。多个电池单体21之间可直接串联或并联或混联在一起，再将多个电池单体21构成的整体容纳于箱体10内。
其中，每个电池单体21可以为二次电池或一次电池；还可以是锂硫电池、钠离子电池或镁离子电池，但不局限于此。电池单体21可呈圆柱体、扁平体、长方体或其它形状等。
根据本申请的一些实施例，参照图4，并请进一步参照图5至图12，图4为本申请一些实 施例提供的电池模组的结构示意图，图5为本申请一些实施例提供的电池模组的分解结构示意图，图6为本申请一些实施例提供的电池单体支架的分解结构示意图，图7为本申请一些实施例提供的电池单体支架的A区域的放大结构示意图，图8为本申请一些实施例提供的电池单体支架的结构示意图，图9为本申请一些实施例提供的电池单体支架沿A-B线的剖面结构示意图，图10为本申请一些实施例提供的电池单体支架的第一绝缘条的结构示意图，图11为本申请一些实施例提供的电池单体支架的B区域的放大结构示意图，图12为本申请一些实施例提供的电池单体支架的B区域的局部放大结构示意图。本申请提供了一种电池单体支架22，电池单体支架22固定电池单体21后形成电池模组20。电池单体支架22包括：架体221和绝缘件222，架体221沿第一方向开设有至少一个第一通道2211，绝缘件222设置于架体221的外表面，绝缘件222覆盖部分或者全部外表面，绝缘件222背离架体221的表面能够固定电池单体21。
架体221沿第一方向开设有至少一个第一通道2211，第一通道2211指具有两端开口的通道，也就是说，第一通道2211沿第一方向的两端分别具有第一开口和第二开口，这里，第一通道2211形成电池单体支架22的散热通道。第一通道2211的内壁可以是光滑的曲面内壁，也可以是光滑的折线内壁，也可以是蜂窝状的凹凸形内壁，还可以是其他形状的内壁，此处不做具体限定。
架体221沿第一方向开设有至少一个第一通道2211，换言之，架体221沿第一方向可以开设有一个第一通道2211，也可以是沿第一方向开设有多个第一通道2211，比如：参见图6所示，架体221沿第一方向开设有一个第一通道2211以形成中空的架体221。当第一通道2211的数量为多个时，多个第一通道2211沿垂直于第一方向的第二方向的尺寸可以均相同，也可以互不相同。当第一通道2211的数量为多个时，多个第一通道2211可以均匀排布，也可以不均匀排布。
绝缘件222指采用绝缘材料制作而成的结构件，其设置于架体221的外表面，即绝缘件222设置于架体221背离第一通道2211的表面上。绝缘件222覆盖部分或者全部外表面，即架体221背离第一通道2211的部分表面或者全部表面设置有绝缘件222，而绝缘件222背离架体221的表面能够固定电池单体21，由此能够防止电池单体21上的电导向架体221。
通过在架体上设置第一通道，而电池单体固定在第一通道周侧的架体上，当电池单体散发热量后，热量通过第一通道流出，从而能够降低电池单体本身及电池单体周围环境的温度，由此能够缓解电池使用过程中的热量积累导致的电池安全问题。
根据本申请的一些实施例，可选地，请继续参考图6至图8，架体221的外表面绕第一方向设置有一圈连接部2212，连接部2212背离架体221的表面为连接表面，连接表面凹陷有至少一个容置凹部2213，容置凹部2213的内壁形状与电池单体21的局部表面的形状相适配，绝缘件222设置于连接部2212背离架体221的表面。
连接部2212绕第一方向于架体221的外表面设置一圈，即连接部2212绕第一方向环向延伸。连接表面凹陷有至少一个容置凹部2213，容置凹部2213的内壁形状与电池单体21的局部表面的形状相适配，也就是说，倘若将电池单体21放置于容置凹部2213内后电池单体21能够贴合于容置凹部2213的内壁。这里，电池单体21可以通过绝缘胶固定于容置凹部2213内。
通过将容置凹部的形状设置为与电池单体的局部表面形状相适配，当电池单体固定于容置凹部内后使得电池单体和架体之间无间隙，从而使得电池单体和电池单体支架之间的连接更为牢固。
根据本申请的一些实施例，可选地，请继续参考图6至图8，容置凹部2213沿第一方向呈长条状，且容置凹部2213绕第一方向呈凹陷的弧面状；和/或，连接部2212设置有多个容置凹部2213，多个容置凹部2213均匀分布于连接部2212的连接表面。
容置凹部2213沿第一方向呈长条状，且容置凹部2213绕第一方向呈凹陷的弧面状，即容置凹部2213的内壁形状与圆柱形电池单体21的局部表面形状相适配，从而使得该实施例中的电池单体支架22能够适用于连接圆柱形电池单体21。
连接部2212设置有多个容置凹部2213，多个容置凹部2213均匀分布于连接部2212的连接表面，即一个电池单体支架22的外表面能够固定多个电池单体21，且多个电池单体21可以均匀排布。
通过容置凹部沿第一方向呈长条状，且容置凹部绕第一方向呈凹陷的弧面状，从而使得电池单体支架能够适用于连接圆柱形电池单体，并能够将圆柱形电池单体固定的更牢固；通过连接部设置有多个容置凹部，多个容置凹部均匀分布于连接部的外表面，从而使得电池单体支架能够固定多个电池单体，而且使得固定多个电池单体后的散热效果更均匀，视觉效果好。
根据本申请的一些实施例，可选地，请继续参考图6至图8，连接部2212为导热件；和/或，连接部2212与架体221一体成型；和/或，连接部2212与架体221之间设置有沿第一方向延伸的第二通道。
连接部2212为导热件，即连接部2212采用具有导热性能的材质制作而成，比如：连接部2212采用铝材料制作而成，由此使得固定在电池单体支架22上的电池单体21所散发的热量能够更多且更快的传导至靠近第一通道2211的连接部2212上进而通过第一通道2211带走，以进一步降低固定在电池单体支架22上的电池单体21本身及电池单体21周围环境的温度。
连接部2212与架体221一体成型，比如：连接部2212和架体221一体注塑成型，一体成型能够提升连接部2212和架体221连接后的结构强度。
连接部2212与架体221之间设置有沿第一方向延伸的第二通道，第二通道为两端开口的通道，第二通道的数量可以是一个，也可以是多个，而当固定在电池单体支架22上的电池单体21散发出热量时，热量可以通过第二通道和第一通道同时散发，从而能够进一步降低固定在电池单体支架22上的电池单体21本身及电池单体21周围环境的温度。
通过连接部为导热件，使得固定在电池单体支架上的电池单体所散发的热量能够更多且更快的导向靠近第一通道的连接部，进而通过第一通道散发，由此能够进一步降低固定在电池单体支架上的电池单体本身及电池单体周围环境的温度；通过连接部与架体一体成型，以能够提升电池单体支架的结构强度；通过连接部与架体之间设置有沿第一方向延伸的第二通道，使得固定在电池单体支架上的电池单体所散发的热量能够通过第一通道和第二通道同时散发，以能够进一步降低固定在电池单体支架上的电池单体本身及电池单体周围环境的温度。
根据本申请的一些实施例，可选地，请继续参考图6至图8，绝缘件222包括：第一绝缘条222a和第二绝缘条222b，第一绝缘条222a绕连接部2212周侧的连接表面设置一圈，第二绝缘条222b绕连接部2212周侧的连接表面设置一圈，第二绝缘条222b和第一绝缘条222a彼此间隔开。
第一绝缘条222a和第二绝缘条222b沿第一方向彼此间隔开的设置于连接部2212的外表面，装配电池单体21时，第一绝缘条222a和第二绝缘条222b之间可以填充绝缘胶以将电池单体21固定在电池单体支架22上，这里，绝缘胶不仅能够绝缘，而且能够实现电池单体21和连接部2212连接表面的连接，同时由于绝缘胶在填充后为流动状态，通过电池单体21的压合使得绝缘胶能够与第一绝缘条222a、第二绝缘条222b对应位置齐平，从而使得电池单体21固定后沿第一方向延伸。当然，第一绝缘条222a和第二绝缘条222b之间也可以是放置绝缘垫来实现电池单体21和连接部2212之间的绝缘。
通过第一绝缘条和第二绝缘条能够将电池单体与架体分隔开，从而能够防止架体带电。
根据本申请的一些实施例，可选地，请继续参考图6至图8，第一绝缘条222a背离连接部2212的表面凹陷有与电池单体21的局部表面形状相适配的第一固定凹部，第二绝缘条222b背离连接部2212的表面凹陷有与电池单体21的局部表面形状相适配的第二固定凹部。
第一固定凹部的形状与电池单体21的局部表面形状相适配，当电池单体21固定于电池单体支架22后，电池单体21的局部表面与第一固定凹部贴合，同样地，电池单体21的局部表面与第二固定凹部贴合。第一绝缘条222a背离连接部2212的表面可以设置有多个第一固定凹部以固定多个电池单体21，同样地，第二绝缘条222b背离连接部2212的表面可以设置有多个第二固定凹部以固定多个电池单体21，这里，第一固定凹部和容置凹部2213相对应，第二固定凹部和容置凹部2213相对应，比如：参见图6，第一绝缘条222a和第二绝缘条222b分别设置有多个第一固定凹部和多个第二固定凹部，且一个容置凹部2213的两端分别对应一个第一固定凹部和一个第二固定凹部，以使沿第一方向延伸的第一固定凹部、容置凹部2213和第二固定凹部能够配合固定一个电池 单体21。
通过第一绝缘条上的第一固定凹部和第二绝缘条上的第二固定凹部与电池单体的局部表面形状相适配，从而使得电池单体固定于电池单体支架上后与第一绝缘条和第二绝缘条之间无间隙，由此能够提升电池单体和电池单体支架结构的稳定性。
根据本申请的一些实施例，可选地，请继续参考图6至图11，连接部2212沿第一方向的两端分别设置有第一卡接部，第一绝缘条222a设置有第二卡接部2221，第二绝缘条设置有第三卡接部2222；其中，第二卡接部2221和第三卡接部2222分别与连接部2212两端的第一卡接部卡接。
通过第二卡接部和连接部一端的第一卡接部卡接以能够将第一绝缘条固定在连接部的一端，通过第三卡接部和连接部另一端的第一卡接部连接以能够将第二绝缘条固定在连接部的另一端，同时卡接的方式使得绝缘件和连接部之间的连接效率高。
根据本申请的一些实施例，可选地，请继续参考图6至图11，第一卡接部为卡接通孔，第二卡接部2221和第三卡接部2222均为卡接柱，且卡接柱的自由端设置有勾合部。
连接部2212沿第一方向具有彼此相背的第一端面和第二端面，第一端面和第二端面通过连接表面连接，连接部2212的两端分别开设有第一卡接通孔和第二卡接通孔2223，第一卡接通孔连通第一端面和连接表面，第二卡接通孔2223连通第二端面和连接表面。第二卡接部2221的第一卡接柱自第一端面侧的第一卡接通孔开口进入并自第一卡接通孔另一侧的开口伸出，且第二卡接部2221的第一卡接柱上的第一勾合部伸出第一卡接通孔另一侧的开口并卡接于该开口处的边缘以实现第二卡接部2221和第一卡接通孔的卡接。第三卡接部2222的第二卡接柱2224自第二端面侧的第二卡接通孔2223开口进入并自第二卡接通孔2223另一侧的开口伸出，且第三卡接部2222的第二卡接柱2224上的第二勾合部2225伸出第二卡接通孔2223另一侧的开口并卡接于该开口处的边缘以实现第三卡接部2221和第二卡接通孔2223的卡接。
通过卡接通孔、卡接柱及卡接柱上的勾合部的配合能够实现第一绝缘条、第二绝缘条与连接部的快速连接，从而能够提升电池单体支架的装配效率。
根据本申请的一些实施例，可选地，请继续参考图11和图12，卡接柱的自由端设置有缺口以形成彼此相对的第一子端部2226和第二子端部2227，且第一子端部2226和第二子端部2227彼此相背的表面分别凸起有第一子勾合部2228和第二子勾合部2229，当卡接柱伸入卡接通孔后，第一子勾合部2228和第二子勾合部2229露出并分别勾合于卡接通孔的外缘。这里，第一子勾合部2228和第二子勾合部2229为一种勾合部结构，当然具体实施时也可以是其他结构。
根据本申请的一些实施例，可选地，请继续参考图6，架体221为导热件；和/或，架体221沿第一方向的两端分别设置有第一翻边和第二翻边，第一翻边设置有第一连接结构，第二翻边设置有第二连接结构。
架体221为导热件，即架体221采用具有导热性能的材料制作而成；架体221沿第一方向的两端分别设置有第一翻边和第二翻边，第一翻边设置有第一连接结构，第二翻边设置有第二连接结构，这里，通过第一连接结构和第二连接结构能够将电池单体支架22固定于内。
通过架体为导热件，使得固定在电池单体支架上的电池单体本身及周围环境的热量能够更多、更快的导向架体进而通过架体上的第一通道散出；通过第一翻边的第一连接结构和第二翻边的第二连接结构能够更便捷的将电池单体支架固定于电池模组箱体内。
根据本申请的一些实施例，参照图4和图5，图4为本申请一些实施例提供的电池模组的结构示意图，图5为本申请一些实施例提供的电池模组的分解结构示意图，本申请还提供了一种电池模组20，包括：电池单体21及以上任一方案所述的电池单体支架22，电池单体21连接于电池单体支架22的绝缘件222背离架体221的表面。
根据本申请的一些实施例，本申请还提供了一种电池100，包括：以上任一方案所述的电池模组。
根据本申请的一些实施例，本申请还提供了一种用电装置，包括：以上任一方案所述的电池。
根据本申请的一些实施例，参见图4至图12，本申请提供了一种电池模组20，电池模组20包括：电池单体21和电池单体支架22。电池单体21为圆柱状电池单体。电池单体支架22包括：架体221、连接部2212及绝缘件222。架体221沿第一方向开设有一个第一通道2211。连接部2212绕第一方向于架体221的外表面设置一圈并与架体221一体成型，且连接表面绕第一方向凹陷有多个容置凹部2213，容置凹部2213的内壁形状与电池单体21的局部表面的形状相适配。
绝缘件222包括：第一绝缘条222a和第二绝缘条222b，第一绝缘条222a绕连接部2212周侧的外表面设置一圈，第二绝缘条222b绕连接部2212周侧的外表面设置一圈，第二绝缘条222b和第一绝缘条222a分别设置于连接部2212背离架体221一侧且沿第一方向的两端，第一绝缘条222a和第二绝缘条222b背离连接部2212的表面均与电池单体21的局部表面相适配，且第一绝缘条222a和第二绝缘条222b分别与连接部2212卡接。第一绝缘条222a和第二绝缘条222b之间填充有绝缘胶以固定并绝缘电池单体21。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围，其均应涵盖在本申请的权利要求和说明书的范围当中。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (22)

  1. 一种电池单体支架，其特征在于，包括：
    架体，所述架体沿第一方向开设有至少一个第一通道；
    绝缘件，所述绝缘件设置于所述架体的外表面，所述绝缘件覆盖部分或者全部所述外表面，所述绝缘件背离所述架体的表面能够固定电池单体。
  2. 根据权利要求1所述的电池单体支架，其特征在于，
    所述架体的外表面绕所述第一方向设置有一圈连接部，所述连接部背离所述架体的表面为连接表面，所述连接表面凹陷有至少一个容置凹部，所述容置凹部的内壁形状与所述电池单体的局部表面的形状相适配；
    所述绝缘件设置于所述连接部背离所述架体的表面。
  3. 根据权利要求2所述的电池单体支架，其特征在于，
    所述容置凹部沿所述第一方向呈长条状，且所述容置凹部绕所述第一方向呈凹陷的弧面状；和/或，
    所述连接部设置有多个所述容置凹部，多个所述容置凹部均匀分布于所述连接部的连接表面。
  4. 根据权利要求2或3所述的电池单体支架，其特征在于，所述连接部为导热件。
  5. 根据权利要求2-4任一项所述的电池单体支架，其特征在于，
    所述连接部与所述架体一体成型。
  6. 根据权利要求2-5任一项所述的电池单体支架，其特征在于，
    所述连接部与所述架体之间设置有沿所述第一方向延伸的第二通道。
  7. 根据权利要求2-6任一项所述的电池单体支架，其特征在于，
    所述连接部沿第一方向具有彼此相背的第一端面和第二端面，所述第一端面和所述第二端面通过连接表面连接，所述连接部的两端分别开设有第一卡接通孔和第二卡接通孔，所述第一卡接通孔连通第一端面和连接表面，所述第二卡接通孔连通第二端面和连接表面。
  8. 根据权利要求2-7中任一项所述的电池单体支架，其特征在于，
    所述绝缘件包括：第一绝缘条和第二绝缘条，所述第一绝缘条绕所述连接部周侧的连接表面设置一圈，所述第二绝缘条绕所述连接部周侧的连接表面设置一圈，所述第二绝缘条和所述第一绝缘条彼此间隔开。
  9. 根据权利要求8所述的电池单体支架，其特征在于，
    所述第一绝缘条背离所述连接部的表面凹陷有与所述电池单体的局部表面形状相适配的第一固定凹部，所述第二绝缘条背离所述连接部的表面凹陷有与所述电池单体的局部表面形状相适配的第二固定凹部。
  10. 根据权利要求8或9所述的电池单体支架，其特征在于，
    所述连接部沿所述第一方向的两端分别设置有第一卡接部，所述第一绝缘条设置有第二卡接部，所述二绝缘条设置有第三卡接部，所述第二卡接部和所述第三卡接部分别与所述连接部两端的第一卡接部卡接。
  11. 根据权利要求10所述的电池单体支架，其特征在于，
    所述第一卡接部为卡接通孔；
    所述第二卡接部和所述第三卡接部均为卡接柱，且所述卡接柱的自由端设置有勾合部。
  12. 根据权利要求11所述的电池单体支架，其特征在于，
    所述卡接柱的自由端设置有缺口以形成彼此相对的第一子端部和第二子端部，且所述第一子端部和所述第二子端部彼此相背的表面分别凸起有第一子勾合部和第二子勾合部，当卡接柱伸入卡接通孔后，所述第一子勾合部和所述第二子勾合部露出并分别勾合于卡接通孔的外缘。
  13. 根据权利要求10或11所述的电池单体支架，其特征在于，
    所述第二卡接部的第一卡接柱自第一端面侧的第一卡接通孔开口进入并自第一卡接通孔另一侧的开口伸出，且所述第二卡接部的第一卡接柱上的第一勾合部伸出所述第一卡接通孔另一侧的开口并卡接于该开口处的边缘，以实现所述第二卡接部和所述第一端面侧的第一卡接通孔的卡接。
  14. 根据权利要求10-13任一项所述的电池单体支架，其特征在于，
    所述第三卡接部的第二卡接柱自第二端面侧的第二卡接通孔开口进入并自第二卡接通孔另一侧 的开口伸出，且所述第三卡接部的第二卡接柱上的第二勾合部伸出第二卡接通孔另一侧的开口并卡接于该开口处的边缘，以实现所述第三卡接部和所述第二端面侧的第二卡接通孔的卡接。
  15. 根据权利要求1-14任一项所述的电池单体支架，其特征在于，所述架体为导热件。
  16. 根据权利要求1-15任一项所述的电池单体支架，其特征在于，
    所述架体沿所述第一方向的两端分别设置有第一翻边和第二翻边，所述第一翻边设置有第一连接结构，所述第二翻边设置有第二连接结构。
  17. 一种电池模组，其特征在于，包括：
    电池单体和权利要求1-16任一项所述的电池单体支架，所述电池单体连接于所述电池单体支架的绝缘件背离架体的表面。
  18. 根据权利要求17所述的电池模组，其特征在于，
    所述电池单体的数量为多个，多个所述电池单体通过串联、并联或混联的方式连接。
  19. 一种电池，其特征在于，包括：
    权利要求17或18所述的电池模组。
  20. 根据权利要求19所述的电池，其特征在于，
    所述电池模组的数量为多个，多个所述电池模组通过串联、并联或混联的方式连接。
  21. 根据权利要求19或20所述的电池，其特征在于，
    所述电池模组容纳于箱体内。
  22. 一种用电装置，其特征在于，包括：
    权利要求19-21任一项所述的电池。
PCT/CN2022/097943 2021-10-22 2022-06-09 电池单体支架、电池模组、电池及用电装置 WO2023065687A1 (zh)

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