WO2024061082A1 - Boîtier et dispositif électronique - Google Patents

Boîtier et dispositif électronique Download PDF

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Publication number
WO2024061082A1
WO2024061082A1 PCT/CN2023/118627 CN2023118627W WO2024061082A1 WO 2024061082 A1 WO2024061082 A1 WO 2024061082A1 CN 2023118627 W CN2023118627 W CN 2023118627W WO 2024061082 A1 WO2024061082 A1 WO 2024061082A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
housing
connecting member
circuit board
folding
Prior art date
Application number
PCT/CN2023/118627
Other languages
English (en)
Chinese (zh)
Inventor
黎伟
郭志良
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2024061082A1 publication Critical patent/WO2024061082A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/184—Sealing members characterised by their shape or structure
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the field of battery technology, and specifically to a battery structure and electronic equipment.
  • a battery structure is set in an electronic device.
  • the battery structure includes a shell, a battery cell tab and a battery cell core.
  • the battery cell tab and the battery cell core are located in the shell.
  • the battery cell core is prone to collision with the battery cell tab, which makes the battery cell core easy to be damaged, resulting in a decrease in the service life of the battery structure.
  • Embodiments of the present application provide a battery structure and electronic equipment to solve the problem in the related art that the battery core is easy to collide with the battery tabs, so that the battery core is easily damaged and the service life of the battery structure is reduced.
  • inventions of the present application provide a battery structure.
  • the battery structure includes: a casing, battery tabs, and a battery core;
  • the battery core winding core and the battery core tabs are both located in the housing, and the battery core tabs are connected to the battery core winding core.
  • the battery core tabs have a structure in the housing. A bending part, the bending part is bent in a direction away from the battery core;
  • the top seal has a folding portion. There is a gap between the folding portion and the housing. A first connecting piece is disposed in the gap. The folding portion It is fixedly connected to the housing through the first connecting piece.
  • embodiments of the present application provide an electronic device, which includes the battery structure described in the first aspect.
  • the battery core tabs since the battery core winding core and the battery core tabs are located in the casing, and the battery core tabs are connected to the battery core winding core, the battery core tabs have a bending portion in the casing, and the bending portion Bend in the direction away from the battery core, so the battery core may collide with the bent part.
  • the top seal Since one end of the casing is provided with a folded top seal, the top seal has a folding part, there is a gap between the folding part and the casing, a first connecting piece is provided in the gap, and the folding part and the casing are fixedly connected through the first connecting piece.
  • the first connecting member is equivalent to arranging the first connecting member to make the folding part and the casing become a whole, thereby having It is beneficial to reduce the shaking of the top seal, thereby reducing the collision intensity or probability of collision between the battery core roll core and the bent part of the battery core. That is to say, in the embodiment of the present application, a first connecting piece is provided in the gap between the folding part of the top seal and the casing, so that the folding part and the casing are fixed through the first connecting piece, so that the folding part and the casing are fixed.
  • the shell becomes a whole, which helps to reduce the shaking of the top seal, thereby reducing the collision intensity or probability of collision between the battery core and the bent part of the battery core, and increasing the service life of the battery core.
  • Figure 1 shows a schematic diagram of an electronic device in the related art
  • Figure 2 shows one of the schematic diagrams of a battery structure provided by an embodiment of the present application
  • FIG3 shows a second schematic diagram of a battery structure provided in an embodiment of the present application.
  • Figure 4 shows the third schematic diagram of a battery structure provided by an embodiment of the present application.
  • FIG. 5 shows a schematic diagram of a top seal provided by an embodiment of the present application that is folded multiple times.
  • first and second features in the description and claims of this application may include one or more of these features, either explicitly or implicitly.
  • plural means two or more.
  • and/or in the description and claims indicates at least one of the connected objects, and the character “/” generally indicates that the related objects are in an “or” relationship.
  • connection should be understood in a broad sense.
  • connection or integral connection; 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 components.
  • connection or integral connection
  • connection or integral connection
  • connection 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 components.
  • specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the battery structure includes: a casing 10, a battery
  • the core tabs 20, the battery winding core 30, the battery tabs 20 and the battery winding core 30 are all located in the housing 10.
  • the battery tabs 20 are connected to the battery core.
  • the battery tabs 20 have a structure in the housing 10.
  • the bending portion 21 is bent in a direction away from the battery core 30 .
  • One end of the housing 10 is provided with a folded top seal 40 .
  • the top seal 40 has a folding portion 41 . Between the folding portion 41 and the housing 10 Has gaps.
  • a circuit board 60 is provided on the side of the folding portion 41 away from the housing 10 .
  • the circuit board 60 is provided with a conductive member 61 .
  • Some of the cell tabs 20 are located outside the housing 10 and are electrically connected to the conductive member 61 .
  • FIG. 2 a schematic diagram of a battery structure provided by an embodiment of the present application is shown.
  • FIG. 3 a schematic diagram of a battery structure provided by an embodiment of the application is shown.
  • FIG. 4 the schematic diagram of a battery structure provided by an embodiment of the present application is shown.
  • the third schematic diagram of a battery structure provided by the embodiment of the present application is shown.
  • the battery structure includes: a casing 10 , battery tabs 20 , and a battery core 30 .
  • the battery core 30 and the battery tabs 20 are both located in the housing 10, and the battery tabs 20 are connected to the battery core 30.
  • the battery tabs 20 have a bending portion 21 in the housing 10, and the battery tabs 20 are bent.
  • the portion 21 is bent in a direction away from the battery core 30 .
  • One end of the housing 10 is provided with a folded top seal 40.
  • the top seal 40 has a folding portion 41. There is a gap between the folding portion 41 and the housing 10.
  • a first connector 50 is disposed in the gap.
  • the folding portion 41 and the housing 10 The connection is fixed through the first connecting piece 50 .
  • the battery tabs 20 since the battery core 30 and the battery tabs 20 are located in the housing 10, and the battery tabs 20 are connected to the battery core 30, the battery tabs 20 have The bending portion 21 is bent in a direction away from the battery core 30 . Therefore, the battery core 30 may collide with the bending portion 21 . Since one end of the casing 10 is provided with a folded top seal 40, the top seal 40 has a folding portion 41, and there is a gap between the folding portion 41 and the casing 10. The first connecting member 50 is disposed in the gap, and the folding portion 41 and the casing 10 10 is fixedly connected through the first connecting member 50.
  • the first connecting member 50 is equivalent to arranging the first connecting member 50 to make the folding portion 41 and the housing 10 become a whole, which is beneficial to reducing the shaking of the top seal 40, thereby reducing the battery core roll.
  • the collision intensity or collision probability between the core 30 and the bent portion 21 of the battery core is to say, in the embodiment of the present application, by disposing the first connecting member 50 in the gap between the folding part 41 of the top seal 40 and the casing 10, the folding part 41 and the casing 10 are connected through the first connecting part 50.
  • the shaking can further reduce the collision intensity or probability of collision between the battery core 30 and the bent portion 21 of the battery core, and improve the service life of the battery core 30 .
  • the folding part 41 may be a structure formed by one folding. As shown in FIG. 5 , the folding part 41 may also be formed by multiple foldings. For the folding part The specific type of 41 is not limited in the embodiment of this application.
  • the housing 10 can be made of aluminum-plastic film.
  • the housing 10 can also be made of other types of structures.
  • the housing 10 can be made of plastic.
  • the specific type of the housing 10 is not limited in the embodiment of the present application.
  • a circuit board 60 is provided on the side of the folded portion 41 away from the housing 10 .
  • the circuit board 60 is provided with a conductive member 61 , and some of the cell tabs 20 are located on the housing 10
  • the external space is electrically connected to the conductive member 61 , and the circuit board 60 is fixedly connected to the folding portion 41 .
  • the circuit board 60 Since the circuit board 60 is provided on the side of the folding portion 41 away from the housing 10, the circuit board 60 is provided with the conductive member 61, and some of the cell tabs 20 are located in the external space of the housing 10 and are electrically connected to the conductive member 61.
  • the battery core 30 is connected to the battery tabs 20. Therefore, the battery core 30 can be connected to the conductive member 61 through the battery tabs 20, so that the battery core 30 can transmit electric energy to the conductive member 61, thereby Provides power to circuit board 60.
  • the conductive member 61 can transmit the control signal to the battery core 30 to control the battery core 30 .
  • the circuit board 60 since the circuit board 60 is fixedly connected to the folding part 41, it is equivalent to the circuit board 60 and the folding part 41 being a whole.
  • the folding part 41 When the folding part 41 tends to shake, the folding part 41 needs to drive the circuit board 60, that is, the circuit board 60 will act as a hindrance to the folded part 41 and reduce the shaking of the folded part 41. After the shaking of the folded part 41 is reduced, the collision intensity or probability of collision between the battery core 30 and the bent part 21 of the battery core can be reduced. , improve the service life of the battery core 30.
  • circuit board 60 there is a gap between the circuit board 60 and the folding part 41 , that is, the circuit board 60 is spaced apart from the folding part 41 , and the circuit board 60 is located on the side of the folding part 41 away from the housing 10 .
  • the first connecting member 50 may include at least one of injection molding glue and thermally conductive glue. That is, the first connecting member 50 may be made of injection molding rubber, and the first connecting member 50 may also be made of thermally conductive glue. Of course, part of the first connecting member 50 may be made of injection molding rubber and the other part may be made of thermally conductive glue. In addition, the first connecting member 50 may also be other devices with a connecting function. For example, the first connecting member 50 may be a metal piece. The specific type of the first connecting member 50 is not limited in the embodiment of the present application.
  • the first connecting member 50 is made of injection molding glue and/or thermally conductive glue
  • the injection molding glue and/or thermally conductive glue can completely fill the gap between the folding part 41 and the housing 10 , so that the folding part 41 can More of them are fixed to the casing 10 , thereby helping to reduce the shaking of the folding portion 41 .
  • the first connecting member 50 is a metal piece
  • the metal piece can partially or completely fill the gap between the folding portion 41 and the housing 10 .
  • a second connecting member 70 is provided between the circuit board 60 and the folding part 41 , and the circuit board 60 and the folding part 41 are fixedly connected through the second connecting member 70 .
  • circuit board 60 and the folding portion 41 are fixedly connected through the second connecting member 70, they are equivalent to the circuit board.
  • 60 and the folding part 41 are fixed as a whole through the second connection part 70, so that when the folding part 41 tends to shake, the folding part 41 drives the second connection part 70 to shake, and the second connection part 70 drives the circuit board 60 to shake.
  • the circuit board 60 will hinder the swing of the folded portion 41 through the second connector 70 , that is, the circuit board 60 will hinder the swing of the folded portion 41 through the second connector 70 and reduce the swing of the folded portion 41 .
  • the collision intensity or probability of collision between the battery core 30 and the bent portion 21 of the battery can be reduced, and the service life of the battery core 30 can be increased.
  • the second connecting member 70 may include at least one of injection molding glue and thermally conductive glue. That is, the second connecting member 70 can be made of injection molding rubber, and the second connecting member 70 can also be made of thermally conductive glue. Of course, part of the second connecting member 70 can also be made of injection molding rubber and the other part can be made of thermally conductive glue. In addition, the second connecting member 70 may also be other devices with a connecting function. For example, the second connecting member 70 may be a metal piece. The specific type of the second connecting member 70 is not limited in the embodiment of the present application.
  • the injection molding glue and/or thermally conductive glue can completely fill the gap between the folding part 41 and the circuit board 60 , and the injection molding rubber and/or thermally conductive glue Glue can also be attached to the side of the folded part 41 facing the circuit board 60 , and then part of the injection molding glue and/or thermally conductive glue is connected to the circuit board 60 , that is, the injection molding glue and/or thermally conductive glue does not completely fill the folded part 41 and the circuit board 60 the gap between.
  • the second connecting member 70 is a metal piece, one end of the metal piece may be connected to the folding part 41 and the other end of the metal piece may be connected to the folding part 41 .
  • the side of the second connecting member 70 facing the folding portion 41 is connected to the folding portion 41 , and the side of the second connecting member 70 facing away from the folding portion 41 is provided with a boss 71 .
  • the conductive member 61 is provided on the surface of the circuit board 60 away from the folded portion 41 .
  • the circuit board 60 is provided with a groove 62 on the surface facing the folded portion 41 .
  • the boss 71 is embedded in the groove 62 .
  • the second connecting member 70 Since the side of the second connecting member 70 facing the folding portion 41 is connected to the folding portion 41 , it is equivalent to the second connecting member 70 and the folding portion 41 becoming an integral body. Since the second connecting member 70 is provided with a boss 71 on the side away from the folding part 41, the circuit board 60 is provided with a groove 62 on the surface facing the folding part 41, and the boss 71 is embedded in the groove 62, therefore, the second connection The member 70 is connected to the circuit board 60 through the boss 71, so that the second connecting member 70 and the circuit board 60 become an integral body, and finally the circuit board 60, the second connecting member 70 and the folding part 41 become an integral body.
  • the folding part 41 When the folding part 41 tends to shake, the folding part 41 will exert force on the second connecting part 70, so that the folding part 41 drives the second connecting part 70 to shake, the second connecting part 70 drives the boss 71 to shake, and the boss 71 drives the The circuit board 60 shakes, but the circuit board 60 will hinder the folding part 41, so that the shaking amplitude of the folding part 41 is reduced, which can reduce the collision intensity or collision probability between the battery core 30 and the battery core bending part 21, and improve the battery life.
  • the service life of the core roll core is 30.
  • the boss 71 when the folding part 41 shakes, it is equivalent to the folding part 41 exerting a pulling force or a pushing force on the circuit board 60 through the boss 71, thereby driving the circuit board 60 to shake.
  • the part 41 exerts resistance, that is, the circuit board 60 itself shakes to a small extent, which is equivalent to when the folding part 41 shakes greatly.
  • the shaking of the circuit board 60 itself is small, which is equivalent to the circuit board 60 exerting resistance to the folding part 41. , thereby reducing the shaking amplitude of the folded portion 41.
  • boss 71 and the groove 62 can have a clearance fit or an interference fit, that is, the boss 71 will not detach from the groove 62 , so that the folding portion 41 is connected to the circuit board 60 through the second connector 70 Become whole.
  • the material of the boss 71 may be the same as the material of the second connecting member 70 .
  • the material of the boss 71 may be injection molding rubber.
  • the material of the boss 71 may also be different from the material of the second connecting member 70 .
  • the material of the boss 71 may be thermally conductive glue.
  • the embodiments of the present application are not limited here.
  • the shape of the boss 71 can be set according to actual needs.
  • the shape of the boss 71 is a cylindrical shape.
  • the shape of the boss 71 is a square.
  • the shape of the boss 71 is a square.
  • the shape of 71 is trapezoid.
  • the specific shape of the boss 71 is not limited in this embodiment of the present application.
  • the number of bosses 71 and the number of grooves 62 are multiple.
  • the plurality of grooves 62 are spaced apart on the surface of the circuit board 60 facing the folding part 41 .
  • the plurality of bosses 71 are on the second surface.
  • the connecting parts 70 are spaced apart on the side away from the folding part 41 , and a boss 71 is embedded in a groove 62 .
  • the plurality of bosses 71 are spaced apart, which can also allow different parts of the second connecting member 70 to transmit the pulling force or pushing force of the folding portion 41 , that is, the force transmission position of the second connecting member 70 is increased, which is beneficial to the second connecting member. 70 transmits force to the circuit board 60.
  • the connection between the circuit board 60 and the second connecting member 70 can be made more secure.
  • the number of bosses 71 is two. As another example, as shown in FIG. 3 , the number of bosses 71 is three. As another example, as shown in FIG. 4 , the bosses 71 are trapezoidal.
  • the boss 71 can be partially embedded in a groove 62, that is, a part of the boss 71 can be embedded in the groove 62, or the boss 71 can be completely embedded in the groove 62.
  • the embodiment of the present application is This is not a limitation.
  • part of the battery cell tabs 20 are located in the external space of the shell 10 , and part of the battery cell tabs 20 are fixedly connected to the folding portion 41 .
  • the folded portion 41 and the partial battery tabs 20 are equivalent to being integrated, and the partial battery tabs 20 are equivalent to increasing the mass of the folded portion 41.
  • the battery tabs 20 will also hinder the shaking of the folded portion 41, reducing the shaking of the folded portion 41, thereby reducing the bending portion of the battery core 30 and the battery tabs 20 in the casing 10.
  • the impact degree of 21 is beneficial to protecting the battery core 30 .
  • the folded portion 41 and part of the cell tabs 20 are fixedly connected through the third connecting member 80 .
  • the connection can be made directly through the third connector 80 , thereby facilitating the connection between the folding portion 41 and some of the battery tabs 20 .
  • the ears 20 are fixedly connected.
  • the folded portion 41 and some of the battery cell tabs 20 are fixedly connected through the third connector 80 .
  • the third connector 80 , the folded portion 41 and some of the battery tabs 20 are integrated.
  • the third connector 80 and some of the battery tabs 20 are integrated.
  • the ears 20 are equivalent to increasing the mass of the folding part 41, so that when the folding part 41 shakes, the shaking amplitude is reduced.
  • the third connecting member 80 includes at least one of injection molding glue and thermally conductive glue.
  • the third connecting member 80 may be made of injection molding rubber, and the third connecting member 80 may also be made of thermally conductive glue. Of course, part of the third connecting member 80 may be made of injection molding rubber and the other part may be made of thermally conductive glue. In addition, the third connecting member 80 may also be other devices with a connecting function. For example, the third connecting member 80 may be a metal piece. The specific type of the third connecting member 80 is not limited in this embodiment of the present application.
  • the first connecting member 50 , the second connecting member 70 and the third connecting member 80 may have an integrated structure.
  • the parts 80 all include at least one of injection molding glue and thermal conductive glue
  • the first connecting piece 50, the second connecting piece 70 and the third connecting piece 80 can be directly formed through a glue dispensing process, that is, directly through the injection molding glue at one time.
  • the first connecting part 50 , the second connecting part 70 and the third connecting part 80 may also be formed directly through thermally conductive glue at one time.
  • first connecting member 50 , the second connecting member 70 and the third connecting member 80 can also be formed in stages.
  • first connecting member 50 is first formed by injecting plastic, then the second connecting member 70 is formed, and finally the third connecting member 50 is formed. Connector 80.
  • the battery tabs 20 since the battery core 30 and the battery tabs 20 are located in the housing 10, and the battery tabs 20 are connected to the battery core 30, the battery tabs 20 have The bending portion 21 is bent in a direction away from the battery core 30 . Therefore, the battery core 30 may collide with the bending portion 21 . Since one end of the casing 10 is provided with a folded top seal 40, the top seal 40 has a folding portion 41, and there is a gap between the folding portion 41 and the casing 10. The first connecting member 50 is disposed in the gap, and the folding portion 41 and the casing 10 10 is fixedly connected through the first connecting member 50.
  • the first connecting member 50 to make the folding portion 41 and the housing 10 become a whole, which is beneficial to reducing the shaking of the top seal 40, thereby reducing the battery core roll.
  • the collision intensity or collision probability between the core 30 and the bent portion 21 of the battery core is to say, in the embodiment of the present application, by disposing the first connecting member 50 in the gap between the folding part 41 of the top seal 40 and the casing 10, the folding part 41 and the casing 10 are connected through the first connecting part 50. 10 is fixed, so that the folded part 41 and the case 10 become an integral body, which is beneficial to reducing the shaking of the top seal 40, thereby reducing the collision intensity or probability of collision between the battery core 30 and the battery core's bent part 21, and improving the battery core.
  • the service life of the core is 30.
  • An embodiment of the present application provides an electronic device, which includes the battery structure in any of the above embodiments.
  • the battery tabs 20 since the battery core 30 and the battery tabs 20 are located in the housing 10, and the battery tabs 20 are connected to the battery core 30, the battery tabs 20 have The bending part 21, the bending part 21 is along The battery core 30 is bent in a direction away from the battery core 30 . Therefore, the battery core 30 may collide with the bent portion 21 . Since one end of the housing 10 is provided with a folded top seal 40, the top seal 40 has a folding portion 41, and there is a gap between the folding portion 41 and the housing 10. A first connecting member 50 is disposed in the gap, and the folding portion 41 and the housing 10 10 is fixedly connected through the first connecting member 50.
  • the first connecting member 50 to make the folding portion 41 and the housing 10 become a whole, which is beneficial to reducing the shaking of the top seal 40, thereby reducing the battery core roll.
  • the collision intensity or collision probability between the core 30 and the bent portion 21 of the battery core is to say, in the embodiment of the present application, by disposing the first connecting member 50 in the gap between the folding part 41 of the top seal 40 and the casing 10, the folding part 41 and the casing 10 are connected through the first connecting part 50. 10 is fixed so that the folded portion 41 and the casing 10 become a whole, which is beneficial to reducing the shaking of the top seal 40, thereby reducing the collision intensity or probability of collision between the battery core 30 and the battery core's bent portion 21, and improving the battery core.
  • the service life of the roll core 30 is improved, thereby improving the user's experience in using the electronic device.
  • electronic devices include but are not limited to mobile phones, tablet computers, notebook computers, PDAs, vehicle-mounted terminals, wearable devices, and pedometers.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

Les modes de réalisation de la présente demande concernent une structure de batterie et un dispositif électronique. La structure de batterie comprend un boîtier, une languette d'élément de batterie et un noyau enroulé d'élément de batterie, le noyau enroulé d'élément de batterie et la languette d'élément de batterie étant tous deux situés à l'intérieur du boîtier, la languette d'élément de batterie étant connectée au noyau enroulé d'élément de batterie, la languette d'élément de batterie étant pourvue d'une partie courbée à l'intérieur du boîtier, et la partie courbée étant pliée dans une direction opposée au noyau enroulé d'élément de batterie ; et un joint supérieur plié est disposé à une extrémité du boîtier, le joint supérieur étant pourvu d'une partie pliante, un espace étant ménagé entre la partie pliante et le boîtier, un premier élément de liaison étant disposé dans l'espace, et la partie pliante étant reliée de manière fixe au boîtier par le biais du premier élément de liaison.
PCT/CN2023/118627 2022-09-19 2023-09-13 Boîtier et dispositif électronique WO2024061082A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211142208.8 2022-09-19
CN202211142208.8A CN115483510B (zh) 2022-09-19 2022-09-19 电池结构及电子设备

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WO2024061082A1 true WO2024061082A1 (fr) 2024-03-28

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WO (1) WO2024061082A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115483510B (zh) * 2022-09-19 2024-04-12 维沃移动通信有限公司 电池结构及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
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