WO2024037655A1 - Structure de couvercle supérieur de module de batterie, module de batterie et bloc-batterie - Google Patents

Structure de couvercle supérieur de module de batterie, module de batterie et bloc-batterie Download PDF

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Publication number
WO2024037655A1
WO2024037655A1 PCT/CN2023/114131 CN2023114131W WO2024037655A1 WO 2024037655 A1 WO2024037655 A1 WO 2024037655A1 CN 2023114131 W CN2023114131 W CN 2023114131W WO 2024037655 A1 WO2024037655 A1 WO 2024037655A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery module
liquid cooling
upper cover
battery
bracket
Prior art date
Application number
PCT/CN2023/114131
Other languages
English (en)
Chinese (zh)
Inventor
邱文聪
李凡
陈智伟
陈朝海
Original Assignee
湖北亿纬动力有限公司
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
Priority claimed from CN202222189676.2U external-priority patent/CN218299933U/zh
Priority claimed from CN202222191720.3U external-priority patent/CN218299935U/zh
Priority claimed from CN202222190927.9U external-priority patent/CN218299934U/zh
Priority claimed from CN202211000167.9A external-priority patent/CN115528341A/zh
Priority claimed from CN202210999408.9A external-priority patent/CN115275428A/zh
Priority claimed from CN202210999435.6A external-priority patent/CN115306966A/zh
Priority claimed from CN202222189686.6U external-priority patent/CN218000772U/zh
Application filed by 湖北亿纬动力有限公司 filed Critical 湖北亿纬动力有限公司
Publication of WO2024037655A1 publication Critical patent/WO2024037655A1/fr

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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
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • 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 battery technology, and in particular to a battery module upper cover structure, a battery module and a battery pack.
  • the CCS component is usually installed on the electrode side of the cell and electrically connected to the cell, while the liquid cooling device is usually installed in the battery box, located on the cell.
  • the bottom end of the battery core is then placed, and then the upper cover is placed on the battery core.
  • This application provides a battery module upper cover structure, battery module and battery pack to solve the above technical problems.
  • This application provides a battery module upper cover structure, which includes a liquid cooling device and a CCS component.
  • the liquid cooling device includes a liquid cooling cover plate.
  • the liquid cooling cover plate is configured to cool the battery core; the CCS component is located below the liquid cooling device.
  • the CCS component is configured to be connected to the battery core, and the liquid cooling device and the CCS component are stacked in sequence to integrate with each other.
  • the application also provides a battery module, which includes a plurality of battery cells, a tray and the above-mentioned battery module upper cover structure; a plurality of positioning slots are formed in the tray, and each positioning slot contains one battery cell; the battery module The upper cover structure covers multiple battery cells, and the liquid cooling cover plate is connected to the tray.
  • This application also provides a battery pack, including a box and the above-mentioned battery module; the battery module is arranged in the box.
  • the beneficial effects of this application are: the battery module upper cover structure provided by this application.
  • the liquid cooling device as a part of the battery module upper cover structure, can protect the CCS components and cells in the battery module from external Short circuit occurs due to metal contact;
  • the liquid cooling device as a liquid cooling device can cool the battery core and CCS components, ensuring uniform temperature of the battery core, which is beneficial to improving the service life of the battery module; at the same time, by combining the liquid cooling device with the CCS Components are stacked and connected, which enables the liquid cooling device and CCS components to be highly integrated into the upper cover structure, effectively simplifying the grouping process, reducing the number of parts, lowering the difficulty of assembly, reducing manufacturing management costs, and solving the problems in the existing technology.
  • the problem of low integration of battery modules can protect the CCS components and cells in the battery module from external Short circuit occurs due to metal contact.
  • the liquid cooling device as a liquid cooling device can cool the battery core and CCS components, ensuring uniform temperature of the battery core, which is beneficial to improving
  • the battery module provided by this application adopts the above-mentioned upper cover structure of the battery module.
  • the liquid cooling device as part of the upper cover structure of the battery module, can protect the CCS components and cells in the battery module from external Short circuit occurs due to metal contact;
  • the liquid cooling device as a liquid cooling device can cool the battery core and CCS components, ensuring uniform temperature of the battery core, which is beneficial to improving the service life of the battery module; at the same time, by combining the liquid cooling device with the CCS Components are stacked and connected, which enables the liquid cooling device and CCS components to be highly integrated into the upper cover structure, effectively simplifying the grouping process, reducing the number of parts, lowering the difficulty of assembly, reducing manufacturing management costs, and solving the problems in the existing technology.
  • the problem of low integration of battery modules can protect the CCS components and cells in the battery module from external Short circuit occurs due to metal contact;
  • the liquid cooling device as a liquid cooling device can cool the battery core and CCS components, ensuring uniform temperature of the battery core,
  • the battery pack provided by this application uses the above-mentioned battery module.
  • the liquid cooling device as part of the upper cover structure of the battery module, can protect the CCS components and cells in the battery module from external metal contact. short circuit;
  • the liquid cooling device as a liquid cooling device can cool the battery core and CCS components, ensuring uniform temperature of the battery core, which is beneficial to improving the service life of the battery module; at the same time, by stacking the liquid cooling device with the CCS component
  • the connection enables the liquid cooling device and CCS components to be highly integrated into the upper cover structure, effectively simplifying the grouping process, reducing the number of parts, lowering the difficulty of assembly, reducing manufacturing management costs, and solving the problems of battery modules in the existing technology.
  • the problem of low level of integration is a liquid cooling device, as part of the upper cover structure of the battery module.
  • Figure 1 is a schematic structural diagram of an embodiment of a battery module upper cover structure provided by this application;
  • Figure 2 is an exploded schematic diagram of the upper cover structure of the battery module in Figure 1;
  • Figure 3 is a schematic structural diagram of the first top plate in Figure 1;
  • Figure 4 is a schematic structural diagram of the base plate in Figure 1;
  • Figure 5 is a schematic cross-sectional view of the liquid cooling cover plate in Figure 1;
  • Figure 6 is an enlarged schematic diagram of A in Figure 4.
  • Figure 7 is a schematic structural diagram of the busbar in Figure 1;
  • Figure 8 is an enlarged schematic diagram of B in Figure 7;
  • Figure 9 is a schematic structural diagram of the bracket in Figure 1;
  • Figure 10 is a schematic structural diagram of the pipeline connection structure in Figure 1;
  • Figure 11 is a structural schematic diagram of the seal in Figure 10 from a perspective
  • Figure 12 is a schematic structural diagram of the seal in Figure 10 from another perspective
  • Figure 13 is a schematic structural diagram of the liquid cooling cover plate in Figure 1
  • Figure 14 is a cross-sectional view of A-A in Figure 13;
  • Figure 15 is a cross-sectional view of A-A in Figure 13;
  • Figure 16 is a schematic structural diagram of an embodiment of the battery module provided by the present application.
  • FIG. 17 is a schematic structural diagram of another embodiment of the battery module provided by the present application.
  • Figure 18 is a schematic diagram of the left side of Figure 16;
  • Figure 19 is a cross-sectional view of A-A in Figure 18;
  • Figure 20 is a schematic diagram of the left side of Figure 16.
  • Figure 21 is a cross-sectional view along B-B in Figure 20;
  • Figure 22 is an enlarged schematic diagram of C in Figure 16;
  • FIG 23 is a schematic structural diagram of the battery core provided by this application.
  • Figure 24 is an exploded schematic diagram of the battery module provided by this application.
  • connection should be understood in a broad sense.
  • it can be a fixed connection, a detachable connection, or an integral body.
  • It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements.
  • the specific meanings of the above terms in this application may be understood based on specific circumstances.
  • the term “above” or “below” a first feature on a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them.
  • the terms “above”, “above” and “above” a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature.
  • “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the embodiment provides a battery module upper cover structure 100.
  • the battery module upper cover structure 100 includes a liquid cooling device 1 and a CCS component 2 (Cells Contact System, battery module collection integrated component); the liquid cooling device 1 includes a liquid cooling device.
  • CCS component 2 Cells Contact System, battery module collection integrated component
  • liquid cooling cover plate 11 is configured to cool the battery core 200;
  • CCS component 2 is located below the liquid cooling device 1, CCS component 2 is configured to be connected to the battery core 200, CCS component 2 includes a bracket 21 and is connected to the bracket A plurality of bus bars 22 on the bracket 21 are connected to the liquid cooling cover 11 , and at least one bus bar 22 is electrically connected to the corresponding battery core 200 .
  • the battery module upper cover structure 100 provided in this embodiment includes a liquid cooling device 1 and a CCS component 2.
  • the CCS component 2 is disposed on the lower end surface of the liquid cooling device 1, and the lower end surface is close to One side of the battery core 200, and the CCS component 2 can be electrically connected to the positive and negative electrodes of the battery core 200.
  • the liquid cooling device 1 and the CCS component 2 are stacked in sequence to be integrated into the battery module upper cover structure 100.
  • the battery module upper cover The structure 100 is covered on the electrode side of the battery core 200 to facilitate electrical connection with the electrodes of the battery core 200, and to protect and insulate the battery core 200 to avoid short circuit in the battery module 1000.
  • the bracket 21 is located between the bus bar 22 and the liquid cooling device 1, and is used to isolate the liquid cooling device 1 and the bus bar 22, prevent the bus bar 22 from being in direct contact with the liquid cooling device 1, and plays an insulating effect to prevent A short circuit occurs.
  • the bracket 21 can also be disposed below the bus bar 22 , but insulation treatment needs to be performed between the bus bar 22 and the liquid cooling device 1 , such as spraying an insulating layer on the surface of the liquid cooling device 1 .
  • the liquid cooling device 1 serves as a part of the battery module upper cover structure 100 and can protect the CCS components 2 and cells 200 in the battery module 1000 from external metal contact. A short circuit occurs; secondly, the liquid cooling device 1, as a liquid cooling device, can cool the battery core 200 and the CCS component 2, ensuring uniform temperature of the battery core 200, which is beneficial to increasing the service life of the battery module 1000; at the same time, by using the liquid cooling device 1 is stacked and connected with the CCS component 2, which enables the liquid cooling device 1 and the CCS component 2 to be highly integrated into the upper cover structure, effectively simplifying the grouping process, reducing the number of parts, lowering the difficulty of assembly, and reducing manufacturing management costs. This solves the problem of low integration level of the battery module 1000 in the prior art.
  • An accommodating groove e is formed on one of the liquid cooling cover plate 11 and the bracket 21 , and the other of the liquid cooling cover plate 11 and the bracket 21 is engaged in the accommodating groove e.
  • the accommodating groove e is provided on the back (lower end surface) of the liquid cooling cover 11, and the bracket 21 can be accommodated in the accommodating groove e, so that the entire The battery module upper cover structure 100 is highly integrated and saves space;
  • the accommodation slot e provided in this embodiment is formed by the side flange of the liquid cooling cover plate 11 extending downward and protruding from the liquid cooling cover plate 11 ;
  • the accommodating groove e can also be provided on the bracket 21, and the liquid cooling cover plate 11 can be accommodated in the accommodating groove e of the bracket 21, which can also achieve a highly integrated effect.
  • the liquid cooling cover plate 11 includes a first top plate 112 and a bottom plate 113 that are oppositely arranged.
  • the liquid cooling cover plate 11 also has a chamber.
  • the first top plate 112 and the bottom plate 113 surround the chamber; the first top plate 112 and the bottom plate 113 surround the chamber.
  • a plurality of ribs 115 are provided between 112 and the bottom plate 113.
  • the plurality of ribs 115 are spaced apart to divide the chamber into a plurality of liquid cooling flow channels 116.
  • the liquid cooling flow channels 116 are used to accommodate cooling medium.
  • the liquid cooling cover 11 provided in this embodiment can be used as an upper cover or a lower cover to protect the electrical components in the battery module 1000 and prevent short circuits between the electrical components and the metal outside the battery module 1000.
  • the liquid cooling cover plate 11 serves as an upper plate to protect the battery module 1000.
  • the liquid cooling cover plate 11 forms a chamber through the connection of the first top plate 112, the bottom plate 113 and the side plates 117. In the chamber, A plurality of liquid cooling flow channels 116 are formed by dividing the ribs 115, and the cooling medium is transported into the liquid cooling flow channels 116. The cooling medium can take away the heat generated by the battery core 200, thereby achieving the purpose of cooling the battery module 1000.
  • the liquid cooling cover 11 can integrate the cover body and the liquid cooling cover 11. This design reduces the components required to assemble the battery module 1000, thereby simplifying The assembly process improves the production efficiency of the battery module 1000.
  • a plurality of assembly holes 111 are formed on the liquid cooling cover 11 . At least one assembly hole 111 is used to expose the corresponding bus bar 22 and the positive electrode or electrode of the corresponding battery core 200 .
  • the electrical connection of the negative electrode; specifically, in this embodiment, a bus bar 22 is provided between the battery core 200 and the liquid cooling cover 11, and the assembly hole 111 is used for welding the bus bar 22 and the battery core 200; by The cold cover 11 is provided with an assembly hole 111.
  • the liquid cooling cover 11 can It functions as a welding fixture, eliminating the need to set up and use the welding fixture, simplifying the assembly process of the battery module 1000, thereby improving the assembly efficiency of the battery module 1000. It can be understood that the position of the bus bar 22 is set corresponding to the battery core 200, and at the same time, the position of the assembly hole 111 is set according to the position of the welding point of the bus bar 22 and the battery core 200.
  • the plurality of ribs 115 include a plurality of annular ribs 1151; the assembly holes 111 are provided at least through the first top plate 112 and the bottom plate 113, and are surrounded by corresponding annular ribs 1151.
  • the first top plate 112 is provided with a plurality of first through holes
  • the bottom plate 113 is provided with a plurality of second through holes.
  • the first through holes and the second through holes are arranged oppositely, and the annular rib 1151 connects the first through holes. It communicates with the second through hole to form an assembly hole 111 .
  • a thermally conductive structural adhesive is provided below the liquid cooling cover plate 11, and the assembly hole 111 can be used to inject the thermally conductive structural adhesive; the provision of the thermally conductive structural adhesive can quickly transfer the heat generated by the battery core 200 to the liquid cooling cover plate 11, and thus The heat is taken away by the cooling medium, further improving the cooling effect and reducing the risk of thermal runaway of the battery core 200; specifically, in this embodiment, after the bus bar 22 and the battery core 200 are welded, the thermal conductive structure is injected through the assembly hole 111 Glue; inject glue through the assembly hole 111, and the glue application situation can be observed through the assembly hole 111, and the amount of thermally conductive structural glue can be accurately determined to avoid waste.
  • the assembly holes 111 on the liquid cooling cover 11 are arranged in rows along the first direction, and the assembly holes 111 are provided in multiple rows along the second direction. Therefore, the annular ribs 1151 are arranged along the liquid cooling surface.
  • the cold cover plate 11 is arranged in rows in the first direction, and the liquid cooling cover plate 11 is provided with multiple rows of annular ribs 1151 along the second direction.
  • the first direction refers to the length direction of the liquid cooling cover plate 11
  • the second direction refers to the length direction of the liquid cooling cover plate 11.
  • the direction refers to the width direction of the liquid cooling cover plate 11.
  • the distribution method of the assembly holes 111 is not limited to this, and can be set according to the needs of use.
  • the plurality of ribs 115 also include connecting ribs 1152.
  • Each connecting rib 1152 connects the annular ribs in two adjacent assembly holes 111 along the first direction of the liquid cooling cover 11.
  • 1151 are connected to form a wall plate a, and a liquid cooling channel 116 is formed between the two adjacent wall plates a in the second direction and the first top plate 112 and the bottom plate 113; in this embodiment, since the assembly holes 111 are provided with multiple Therefore, the wall plate a is provided with multiple rows. Since the assembly hole 111 is an irregular ring, the wall plate a is curved, thereby increasing the length of the liquid cooling channel 116.
  • the cooling medium is filled in the liquid cooling channel 116. It takes longer and the cooling effect is better.
  • a plurality of first escape holes 211 and a plurality of second escape holes 212 are formed on the bracket 21 .
  • At least one first escape hole 211 is used to correspond to the positive electrode of the corresponding battery core 200
  • at least one second escape hole 211 is used to correspond to the positive electrode of the corresponding battery core 200
  • the hole 212 is used to correspond to the negative electrode of the adjacent battery core 200; specifically, the bracket 21 is provided with several sets of first escape holes 211 and second escape holes 212, and the first escape holes 211 and the second escape holes 212 are spaced apart.
  • first escape hole 211 is circular, corresponding to the position of the positive electrode of the battery core 200
  • second escape hole 212 is close to a fan shape, and is concentric with the first escape hole 211
  • the second escape hole 212 corresponds to the position of the negative electrode of the battery core 200.
  • each adjacent group of first escape holes 211 and second escape holes 212 corresponds to the same position of the battery core 200 .
  • a plurality of hollow structures 213 arranged at intervals are formed on the bracket 21, and at least one first escape hole 211 and a corresponding second escape hole 212 are located on both sides of the corresponding hollow structure 213; the hollow structure 213 is used to expose a part of the bus 22, which is connected to the liquid cooling cover 11 through thermally conductive glue; it can be understood that in order to achieve heat conduction, the space between the battery core 200 and the liquid cooling device 1 is usually filled with The thermally conductive structural adhesive can make the battery core 200 and the busbar 22 contact with the thermally conductive structural adhesive as much as possible by arranging the hollow structure 213. The thermally conductive structural adhesive transfers heat to the liquid cooling device 1, thereby cooling the battery core 200, so that The battery module 1000 works in the optimal temperature range.
  • the top surface of a part of the bus bar 22 is lower than the top surface of the bracket 21 .
  • the bus bar 22 can be exposed from the hollow structure 213 .
  • the top surface of the bus bar 22 is lower than the top surface of the bracket 21 to form a step structure, this can prevent the bus bar 22 from being in direct contact with the liquid cooling device 1 and prevent short circuits from occurring; furthermore, through the assembly 111 and the hollow structure 213, the The busbar 22 and the battery core 200 are welded; secondly, it is also convenient to fill the empty groove formed by the step structure with thermally conductive structural adhesive, so that the thermally conductive structural adhesive contacts the busbar 22 as much as possible, and the thermally conductive structural adhesive transfers heat to the liquid cooling device 1 to dissipate heat from the busbar 22.
  • an insulating layer can also be sprayed on the surface of the liquid cooling device 1 close to the bus bar 22 to prevent short circuit.
  • Each bus bar 22 includes a bus bar body 221 and at least one connecting arm 222.
  • the bus bar body 221 is connected to the electrodes of the battery core 200; two adjacent bus bar bodies 221 are connected through the connecting arm 222.
  • the connecting arm 222 includes a body part 2221 and a fuse protection part 2222.
  • the fuse protection part 2222 is formed on the body part 2221, and the thickness of the fuse protection part 2222 is smaller than the thickness of the body part 2221.
  • the bus bar body 221 includes a first row body and a second row body. The first row body is electrically connected to the positive electrode of one of the battery cores 200 , and the second row body is electrically connected to the negative electrode of another adjacent battery core 200 .
  • the connecting arm 222 is used to connect two adjacent busbar bodies 221; there are multiple busbar bodies 221 in each row, and multiple rows can be set.
  • the same busbar body 221 electrically connects two adjacent cells. 200, in order to realize the electrical connection between multiple groups of battery cells 200, every two busbar bodies 221 in the same row are connected through the connecting arm 222; the above arrangement increases the distance between the first row body and the positive electrode.
  • the contact area and the contact area between the second row body and the negative electrode improve the electrical connection strength and connection stability; further, the bracket 21 is made of plastic material, and each connecting arm 222 is provided with a fuse protection position. After thinning, when the current flowing through the connecting arm 222 is greater than the preset current value, the fuse protection position generates heat to fuse the connecting arm 222 .
  • the busbar 22 is connected to the bracket 21 through a fuse protection part 2222; in this embodiment, each fuse protection part 2222 is fixed on the bracket 21 by thermal riveting.
  • each fuse protection part 2222 is fixed on the bracket 21 by thermal riveting.
  • FIG 1 there are several busbars 22
  • the schematic diagram of assembly after hot riveting with the bracket 21 not only realizes the connection between the bus bar 22 and the bracket 21, but also prevents the fuse protection part 2222 from being damaged due to weakened structural strength, thereby enhancing the structural strength of the bus bar 22.
  • the bottom plate 113 has a flange 1131 extending away from the first top plate 112.
  • the flange 1131 and the bottom plate 113 form a receiving groove; in this embodiment, the CCS component 2 is placed in the receiving groove.
  • the liquid cooling cover plate 11 is placed on the top of the CCS component 2 , and the battery core 200 is located below the CCS component 2 .
  • the side plate 117 extends in a direction away from the first top plate 112 and forms a glue storage tank 1171 with the flange 1131 and the bottom plate 113.
  • the glue storage tank 1171 is filled with glue.
  • a third escape hole b is formed on the side plate 117 and the flange 1131 of the liquid cooling cover plate 11; the busbar 22 is provided with a connector d, and the connector d extends from the third escape hole b. , used to electrically connect with the wiring harness.
  • this embodiment provides a pipeline connection structure 3.
  • the liquid cooling cover plate 11 A liquid inlet and a liquid outlet are respectively formed on the opposite ends.
  • Pipeline connection structures 3 are distributed on the liquid inlet and the liquid outlet.
  • the pipeline connection structure 3 is used for the passage of cooling medium.
  • the pipeline connection structure 3 in this embodiment has a simple structure, is easy to operate, and can play a good sealing role to prevent the cooling medium in the liquid cooling cover 11 from flowing out.
  • the pipeline connection structure 3 includes a first joint 31, a second joint 32 and a seal 33; the second joint 32 is sleeved on the first joint 31; the seal 33 It is sleeved between the first joint 31 and the second joint 32 , and the sealing member 33 has an interference fit with the second joint 32 . Specifically, there is an interference fit between the sealing member 33 and the second joint 32.
  • the second joint 32 can be inserted along the edge of the sealing member 33 and pressed against the sealing member 33 to ensure that the second joint 32
  • the sealing performance with the first joint 31 improves the sealing effect, prevents liquid leakage, and improves practicality.
  • the first joint 31 is connected to the liquid cooling device 1.
  • the first joint 31 and the liquid cooling device 1 may be fixedly connected or integrally formed; the second joint 32 is sleeved on the first joint 31. , the second joint 32 is used to connect the external pipe; the sealing member 33 is sleeved outside the first joint 31 and is sealingly connected between the first joint 31 and the second joint 32, and the sealing member 33 and the second joint 32 are Interference fit to prevent liquid leakage; wherein, the first joint 31 is connected to the liquid cooling device 1, and the second joint 32 is connected to the external pipe; the center positions of the second joint 32 and the first joint 31 are both opened in the axial direction There are third through holes with the same diameter. When the second connector 32 is sleeved on the first connector 31 , the two third through holes are connected and connected to transmit the cooling medium into the liquid cooling device 1 .
  • a plurality of boss structures 34 surrounding the seal 33 are formed on the outer wall of the seal 33.
  • the plurality of boss structures 34 are spaced apart along the axial direction.
  • the second joint 32 can be inserted along the edge of the boss structure 34 and pressed against the boss structure 34 to ensure the sealing between the second joint 32 and the first joint 31 and improve the sealing effect. It prevents liquid leakage and is easy to install, improving practicality.
  • the outer diameter of the boss structure 34 is larger than the outer diameter of the seal 33 , and the length of the boss structure 34 is smaller than the length of the seal 33 , which not only improves the sealing effect, but also facilitates the installation of the second joint 32 .
  • the number of boss structures 34 is set to multiple, and the plurality of boss structures 34 are arranged at intervals along the axial direction of the seal 33; by adopting this arrangement, the sealing effect can be further improved. Further in this embodiment, the number of boss structures 34 is set to four, and the four boss structures 34 are spaced apart along the axial direction of the seal 33; of course, the number of boss structures 34 is not limited to the above limit. In other embodiments, the number of boss structures 34 can be adaptively selected according to actual needs.
  • the seal 33 and the plurality of boss structures 34 are an integrally formed structure; during processing, the assembly links between the components can be reduced, manufacturing costs are saved, the structure is stronger and more durable, and installation is more convenient and faster, and eliminates the need for The use of connector d is prohibited.
  • the boss structure 34 includes a connected guide section 341 and a sealing section 342.
  • the guide section 341 is inclined from the side wall toward the insertion direction of the second joint 32.
  • the first The second joint 32 is pressed against the sealing section 342;
  • the guide section 341 is inclined toward the inserting direction of the second joint 32, and the sealing section 342 is connected to the end surface of the guide section 341 close to the liquid cooling device 1, and the second joint 32 can be pressed against
  • the axial section of the guide section 341 is triangular, which is used to guide the installation of the second joint 32 to facilitate installation;
  • the axial section of the sealing section 342 is rectangular, and the sealing section 342 is connected with the second joint 32.
  • each boss structure 34 increases sequentially along the insertion direction of the second joint 32; in this embodiment, four boss structures 34 are taken as an example.
  • the boss structure 34 is divided into four levels. The one farthest from the liquid cooling device 1 is the first level, and the other three are increased sequentially along the insertion direction of the second joint 32; for the convenience of installation, the first level boss is The axial cross-section of the structure 34 is triangular, that is, the length of the sealing section 342 is zero and only includes the guide section 341.
  • the boss structure 34 mainly plays a guiding role. As the number of stages increases, the length of the sealing section 342 increases in sequence, so that The sealing effect is also increased.
  • the first two-stage boss structure 34 is mainly for convenience of installation, and the last two-stage boss structure 34 is mainly for ensuring sealing.
  • the seal 33 includes a first sealing part 331 and a second sealing part 332 .
  • the second sealing part 332 is composed of the first sealing part 331
  • the end surface is bent inwardly, the first sealing part 331 is sleeved on the side of the first joint 31, the above-mentioned boss structures 34 are located on the side walls of the first sealing part 331, and the second sealing part 332 is an annular structure. , attached to the end surface of the first joint 31 away from the liquid cooling device 1 to increase sealing reliability.
  • the end of the seal 33 away from the first joint 31 is provided with a clearance groove 333 along the axial direction, and the clearance groove 333 runs through the side wall of the seal 33 in the thickness direction; it should be noted that, because The seal 33 requires an interference fit, so the installation of the seal 33 and the second joint 32 is difficult.
  • By opening a clearance groove 333 at the front end of the seal 33 it not only facilitates the installation of the seal 33, but also facilitates the second joint. 32, when the second joint 32 is installed, there is deformation space at the clearance groove 333 of the seal 33.
  • the second joint 32 is more convenient for squeezing the seal 33 and is convenient for installation.
  • the number of clearance grooves 333 is set to at least two. , preferably two, two gap grooves 333 are provided on opposite sides of the seal 33, which can make it easier to install the seal 33 and the second joint 32, and improve the installation efficiency.
  • the first joint 31 includes a connected first locking part 311 and a first connecting part 312.
  • the outer diameter of the first locking part 311 is larger than the first connecting part. has an outer diameter of 312, and the sealing member 33 is sleeved outside the first connecting part 312;
  • the second joint 32 includes a second locking part 321, a second connecting part 322 and a pipeline connecting part 232 connected in sequence.
  • the inner diameters of the second locking portion 321 , the second connecting portion 322 and the pipeline connecting portion 232 decrease in sequence, and the inner diameter of the second locking portion 321 is approximately equal to the outer diameter of the first locking portion 311 .
  • the second locking part 321 is provided with internal threads, and the first locking part 311 is provided with external threads.
  • the second locking part 321 is sleeved on the first locking part 311 and is threadedly connected to the first locking part 311.
  • the second connecting portion 322 is sleeved outside the sealing member 33 and interference-fits with the sealing member 33 .
  • the pipeline connecting portion 232 is used to connect an external water pipe. By adopting this stepped arrangement, the installation of the second joint 32 is more convenient.
  • the inner hole diameter of the first sealing part 331 may be slightly smaller than the outer diameter of the first connecting part 312 to achieve the first sealing part 331 and the outer diameter of the connecting part 312 .
  • the interference fit between the first connecting parts 312; the inner diameter of the second sealing part 332 is approximately equal to the inner diameter of the sealing member 33.
  • the second sealing part 332 is pressed against the end surface of the first connecting part 312 and the second between the stepped surfaces of the connecting portion 322 to ensure sealing.
  • the length of the second connecting part 322 is less than twice the length of the second locking part 321; it should be noted that when the second connecting part 322 only enters half of the seal 33 (that is, when it reaches the second level protrusion Platform structure 34), the second locking part 321 just touches the first locking part 311, as shown in Figure 9; among them, the first two levels of boss structure 34 mainly play a guiding role, and the second connecting part 322 is easier to install.
  • the rear two-stage boss structure 34 mainly plays a key sealing role.
  • the second connecting portion 322 is difficult to install and can be installed by rotation with the help of a locking tool, making the installation more convenient.
  • the battery module includes a plurality of battery cells 200, a battery module
  • the upper cover structure 100 and the tray 500 are assembled; the battery module upper cover structure 100 can cover multiple battery cells 200.
  • multiple battery cells 200 are usually provided, and the multiple battery cells 200 are arranged in a certain array. arrangement.
  • the battery core 200 refers to a cylindrical battery core 200, and its positive and negative electrodes are on the same side.
  • the positive electrode is a cylindrical protrusion at one end of the battery core 200, and the negative electrode is one end of the battery core 200.
  • the top cover has a negative electrode in the shape of a ring and the positive electrode is located in the center of the ring.
  • the liquid cooling cover 11 can be disposed on the top of the battery core 200 or on the bottom of the battery core 200. It can be set according to the overall structural layout of the battery module 1000, which is not specifically limited here.
  • the battery core 200 is arranged in the tray 500.
  • the liquid cooling cover plate 11 is connected to the tray 500.
  • the tray 500 is arranged at the bottom of the battery core 200 to support the battery core 200.
  • the liquid cooling cover plate 11 is arranged on the top of the battery core 200 as a support.
  • the upper cover of the battery module 1000 also plays a cooling role; the tray 500 has a plurality of positioning slots for accommodating the battery cells 200.
  • the tray 500 can position the battery cells 200 to prevent the battery cells 200 from contacting and short-circuiting.
  • the battery module also includes a tray 500 , the battery core 200 is arranged in the tray 500 , and the liquid cooling cover 11 is connected to the tray 500 .
  • the edge of the liquid cooling cover plate 11 is provided with a first flange and a second flange at intervals.
  • the first flange, the bottom surface of the liquid cooling cover plate 11 and the second flange form a glue storage tank 1171.
  • 1171 is used to fill the colloid, and the tray 500 is bonded to the liquid cooling cover plate 11 through the colloid; an installation groove is formed between the second flange of the liquid cooling cover plate 11 and the bottom surface of the liquid cooling cover plate 11, and the CCS component is accommodated in the installation groove.
  • the adhesive method has good sealing performance, is convenient and reliable; in other embodiments, the fixing method of the liquid cooling cover 11 and the tray 500 is not limited to adhesive, and can also be connected by snapping or bolting. .
  • the tray 500 is provided with a plurality of positioning slots 510, and the battery core 200 is arranged in the positioning slot 510; optionally, the positioning slots 510 and the battery core 200 are arranged in one-to-one correspondence, and the shape of the positioning slot 510 is based on the shape of the battery core 200. Size settings.
  • the tray 500 includes a second top plate 520 and a first bottom shell 530.
  • the second top plate 520 and the first bottom shell 530 are connected to form a first cavity.
  • a plurality of groove walls 511 are provided.
  • the groove walls 511 are connected between the second top plate 520 and the bottom of the first bottom case 530 and form a positioning groove 510.
  • the battery core 200 is arranged in the positioning groove 510.
  • cooling medium The tray 500 is configured to have a first cavity structure and can inject cooling medium into the first cavity.
  • the tray 500 can be used to cool the battery core 200 to achieve a good cooling effect and improve the safety of the battery pack.
  • the tray 500 is also provided with a second bottom shell 570.
  • the second bottom shell 570 is disposed at the bottom of the first bottom shell 530.
  • a second cavity is formed in the second bottom shell 570.
  • the first bottom shell 570 is also provided with a second bottom shell 570.
  • a communication hole 580 is provided on the bottom of 530.
  • the first cavity and the second cavity are connected through the communication hole 580, so that the cooling medium can flow in the first cavity and the second cavity through the communication hole 580.
  • the cooling medium can be injected into the first cavity first, and then the cooling medium can flow downward to the second cavity through the communication hole 580.
  • the cooling medium can also be injected into the third cavity first.
  • the cooling medium will overflow into the first chamber through the communication hole 580 .
  • the groove walls 511 are connected along the first direction and arranged in multiple rows, and a second flow channel is formed between two adjacent rows of groove walls 511 . Since the battery core 200 is disposed in the positioning groove 510, the heat on most sides of the battery core 200 can be transferred to the cooling medium through the groove wall 511, which greatly improves the cooling efficiency.
  • baffles 550 can be provided at both ends of each row of groove walls 511 to allow the cooling medium to flow in an S-shape.
  • the first bottom shell 530 and the second bottom shell 570 are connected through a second connecting rib 560, and the second connecting rib 560 separates the second cavity to form a first flow channel.
  • the cooling medium first enters the first cavity, then part of it enters the second flow channel, and part of it enters the first flow channel from the communication hole 580, so that the cooling medium can fully flow through the cavity to achieve a good cooling effect.
  • the second connecting rib 560 includes a plurality of annular connecting ribs 561 and a plurality of linear connecting ribs 562.
  • the annular connecting ribs 561 are concentrically arranged with the positioning groove 510, and the linear connecting ribs 562 are used to connect the two annular connecting ribs 561. . It can be understood that the distribution pattern of the linear connecting ribs 562 and the annular connecting ribs 561 determines the flow path of the cooling medium. Therefore, the linear connecting ribs 562 can be set according to the required flow path.
  • the tray 500 and the liquid-cooling cover 11 can be bonded with colloid or locked with screws or other connection methods; in this embodiment, the liquid-cooled cover 11 can be connected to the tray 500 through colloid in the glue storage tank 1171 For bonding, by setting the glue storage tank 1171, more colloid can be accommodated to ensure firm bonding between the liquid cooling cover 11 and the tray 500.
  • a pole is provided on the top of the battery core 200, and the pole protrudes from the top surface of the battery core 200; in this embodiment, the pole is the positive electrode of the battery core 200, and the battery core 200 located on the outer ring of the pole
  • the top surface is the negative electrode
  • the assembly hole 111 includes a positive electrode hole and a negative electrode hole.
  • the positive electrode hole is facing the positive electrode of the battery core 200, and the negative electrode hole is facing the negative electrode of the battery core 200.
  • the positive electrode hole is round. shape
  • the negative electrode hole is connected to the positive electrode hole, and the shape of the negative electrode hole is fan-shaped. More specifically, during welding, the bus bar 22 and the positive electrode of the battery core 200 are welded through the circular positive electrode hole, and the other electrode is welded through the fan-shaped negative electrode hole. A bus 22 and the negative electrode of the battery core 200 are welded.
  • the battery core holder adopts an integral bracket.
  • the size of the integral bracket is large, the mold cost is high, and the production cost is high.
  • embodiments of the present application also provide a battery core, in order to solve the above problems.
  • the battery module also provides a battery cell bracket, see Figure 23, the battery core bracket includes a first bracket and a second bracket.
  • the first bracket includes a base 600 , one end of the base 600 is sleeved on the bottom of the battery core 200 , and the other end of the base 600 is fixed on the bottom of the positioning groove 510 .
  • the arrangement of the base 600 can provide support for the battery core 200 and firmly fix the battery core 200 in the positioning groove 510, thereby increasing the stability of the overall structure.
  • the base 600 has a first support plate 610.
  • One side of the first support plate 610 is bonded to the bottom of the battery core 200, and the other side is bonded to the bottom of the positioning groove 510.
  • the first support plate 610 is provided with a through hole, the outer diameter of which is set according to the diameter of the battery core 200 .
  • the through hole can quickly discharge the high-temperature and high-pressure gas generated by the thermal runaway of the battery core 200 .
  • the material of the base 600 is plastic or other insulating materials, so as to avoid contact short circuit between the battery core 200 and the tray 500 .
  • the battery core 200 can be easily fixed on the base 600 by using an adhesive connection method, and at the same time, it can be firmly fixed in the positioning groove 510 .
  • a first glue injection hole 611 can be opened on the first support plate 610, and the first glue injection hole 611 can be used to fill colloid.
  • the first glue injection holes 611 are fan-shaped, and there are multiple first glue injection holes 611 arranged in a circular array on the annular first support plate 610 .
  • the shape of the first glue injection hole 611 may be circular, rectangular, or other shapes, which are not specifically limited here.
  • the base 600 also has a second support plate 620 , the second support plate 620 and the first support plate 610 are coaxially connected, and the second support plate 620 is fixedly connected to the first bottom case 530 .
  • the second support plate 620 is connected to the first bottom shell 530 by hot riveting.
  • the second support plate 620 is also provided with through holes for pressure relief.
  • bus bar 200 is disposed on the side of the first bracket away from the liquid cooling cover 11 , and the second bracket is disposed between the top of the battery core 200 and the bus bar 200 .
  • the second bracket is used to insulate and isolate the battery core 200 and said bus 200.
  • the second bracket includes a top cover 700, which is sleeved on the top of the battery core 200 in one-to-one correspondence.
  • the top cover 700 includes a top protective sheet 710, and the top protective sheet 710 is covered on the end surface of the battery core 200, so as to be able to
  • the battery core 100 and the bus bar 200 are insulated and isolated.
  • the top protective sheet 710 is fan-shaped and is arranged to avoid the poles of the battery core 200 .
  • the number of the top protective sheets 710 is two. In other embodiments, the shape and number of the top protective sheets 710 can be set as needed.
  • the top protective sheet 710 is provided with a second glue injection hole 720, and the second glue injection hole 720 is used for injecting glue.
  • the top protective sheet 710 is provided to insulate the battery core 200 and the busbar 200.
  • a second glue injection hole 720 is provided, and the second glue injection hole 720 can be filled with colloid.
  • the colloid can be the thermally conductive structural glue 400 to further increase the insulation and heat radiation.
  • thermally conductive structural glue 400 can be coated on the side of the battery core 200 to ensure that the battery core 200 has good insulation performance and avoid contact short circuit.
  • the battery pack includes a box and a battery module 1000.
  • the battery module 1000 is located in the box.
  • the liquid cooling cover plate 11 and the CCS component 2 are stacked in sequence to integrate into the battery module upper cover structure 100.
  • the battery module upper cover structure 100 is covered on the tray 500 and is bonded to the tray 500 through colloid. , so that the battery module 1000 is integrated, easy to install, and improves production efficiency; the tray 500 is also set to a liquid cooling structure, and the battery core 200 is inserted into the positioning slot of the tray 500, which can be realized through the battery module upper cover structure 100
  • To dissipate heat from the top of the battery core 200, the bottom and sides of the battery core 200 can be dissipated through the tray 500.
  • the liquid cooling cover 11 can not only cool down the battery core 200, but can also be directly connected to the tray 500, replacing The arrangement of the upper cover of the battery module 1000 in the traditional design is eliminated, which protects the components inside the battery module 1000.
  • the busbar 22 and the battery core can be realized through the assembly holes 111 on the liquid cooling cover 11 200 and the injection of thermally conductive structural adhesive between the bus 22 and the battery cell 200, which greatly optimizes the assembly process; the battery module 1000 uses fewer parts, improves the grouping efficiency and achieves better heat radiation.

Landscapes

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

Abstract

La présente demande concerne une structure de couvercle supérieur de module de batterie, un module de batterie et un bloc-batterie. La structure de couvercle supérieure de module de batterie comprend un appareil de refroidissement par liquide et un ensemble CCS. L'appareil de refroidissement par liquide comprend une plaque de couvercle de refroidissement par liquide ; la plaque de couvercle de refroidissement par liquide est configurée pour refroidir un élément de batterie ; l'ensemble CCS est disposé sous l'appareil de refroidissement par liquide ; l'ensemble CCS est configuré pour être connecté à l'élément de batterie ; et l'appareil de refroidissement par liquide et l'ensemble CCS sont empilés de manière séquentielle pour être intégrés l'un à l'autre.
PCT/CN2023/114131 2022-08-19 2023-08-21 Structure de couvercle supérieur de module de batterie, module de batterie et bloc-batterie WO2024037655A1 (fr)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
CN202222189676.2U CN218299933U (zh) 2022-08-19 2022-08-19 液冷装置及电池模组
CN202222191720.3 2022-08-19
CN202211000167.9 2022-08-19
CN202222191720.3U CN218299935U (zh) 2022-08-19 2022-08-19 一种电池模组上盖结构及电池模组
CN202222190927.9U CN218299934U (zh) 2022-08-19 2022-08-19 电池模组及电池包
CN202211000167.9A CN115528341A (zh) 2022-08-19 2022-08-19 一种电池模组上盖结构及电池模组
CN202210999408.9A CN115275428A (zh) 2022-08-19 2022-08-19 电池模组及电池包
CN202210999408.9 2022-08-19
CN202210999435.6A CN115306966A (zh) 2022-08-19 2022-08-19 一种管路连接结构及液冷系统
CN202222190927.9 2022-08-19
CN202222189686.6U CN218000772U (zh) 2022-08-19 2022-08-19 一种管路连接结构及液冷系统
CN202222189686.6 2022-08-19
CN202210999435.6 2022-08-19
CN202222189676.2 2022-08-19

Publications (1)

Publication Number Publication Date
WO2024037655A1 true WO2024037655A1 (fr) 2024-02-22

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PCT/CN2023/114131 WO2024037655A1 (fr) 2022-08-19 2023-08-21 Structure de couvercle supérieur de module de batterie, module de batterie et bloc-batterie

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Country Link
WO (1) WO2024037655A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117977059A (zh) * 2024-03-28 2024-05-03 深圳市顺熵科技有限公司 一种电池液冷系统及液冷方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208225937U (zh) * 2018-03-27 2018-12-11 天臣新能源研究南京有限公司 一种具有汇流作用的电池液冷模组
CN214428686U (zh) * 2021-04-15 2021-10-19 浙江吉利控股集团有限公司 电池模组和汽车
CN214898584U (zh) * 2021-05-06 2021-11-26 上海比耐信息科技有限公司 一种液冷电池箱上盖组件及包括其的电池包
CN114566764A (zh) * 2022-01-25 2022-05-31 湖北亿纬动力有限公司 一种汇流排组件及大圆柱动力电池模组
CN216671769U (zh) * 2021-09-30 2022-06-03 蜂巢能源科技有限公司 圆柱电池模组
CN216793932U (zh) * 2022-02-25 2022-06-21 重庆金康动力新能源有限公司 一种busbar组件及电池模组
CN217158544U (zh) * 2022-01-25 2022-08-09 湖北亿纬动力有限公司 一种圆柱电池连接片、电池模组以及电池包
CN115275428A (zh) * 2022-08-19 2022-11-01 湖北亿纬动力有限公司 电池模组及电池包
CN115528341A (zh) * 2022-08-19 2022-12-27 湖北亿纬动力有限公司 一种电池模组上盖结构及电池模组
CN218299933U (zh) * 2022-08-19 2023-01-13 湖北亿纬动力有限公司 液冷装置及电池模组
CN218472139U (zh) * 2022-08-30 2023-02-10 湖北亿纬动力有限公司 动力电池

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208225937U (zh) * 2018-03-27 2018-12-11 天臣新能源研究南京有限公司 一种具有汇流作用的电池液冷模组
CN214428686U (zh) * 2021-04-15 2021-10-19 浙江吉利控股集团有限公司 电池模组和汽车
CN214898584U (zh) * 2021-05-06 2021-11-26 上海比耐信息科技有限公司 一种液冷电池箱上盖组件及包括其的电池包
CN216671769U (zh) * 2021-09-30 2022-06-03 蜂巢能源科技有限公司 圆柱电池模组
CN114566764A (zh) * 2022-01-25 2022-05-31 湖北亿纬动力有限公司 一种汇流排组件及大圆柱动力电池模组
CN217158544U (zh) * 2022-01-25 2022-08-09 湖北亿纬动力有限公司 一种圆柱电池连接片、电池模组以及电池包
CN216793932U (zh) * 2022-02-25 2022-06-21 重庆金康动力新能源有限公司 一种busbar组件及电池模组
CN115275428A (zh) * 2022-08-19 2022-11-01 湖北亿纬动力有限公司 电池模组及电池包
CN115528341A (zh) * 2022-08-19 2022-12-27 湖北亿纬动力有限公司 一种电池模组上盖结构及电池模组
CN218299933U (zh) * 2022-08-19 2023-01-13 湖北亿纬动力有限公司 液冷装置及电池模组
CN218472139U (zh) * 2022-08-30 2023-02-10 湖北亿纬动力有限公司 动力电池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117977059A (zh) * 2024-03-28 2024-05-03 深圳市顺熵科技有限公司 一种电池液冷系统及液冷方法

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