CN219626768U - Battery cover plate, battery and battery pack - Google Patents

Battery cover plate, battery and battery pack Download PDF

Info

Publication number
CN219626768U
CN219626768U CN202320697015.2U CN202320697015U CN219626768U CN 219626768 U CN219626768 U CN 219626768U CN 202320697015 U CN202320697015 U CN 202320697015U CN 219626768 U CN219626768 U CN 219626768U
Authority
CN
China
Prior art keywords
battery
cover plate
face
insulating support
hole
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202320697015.2U
Other languages
Chinese (zh)
Inventor
王珂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Innovation Aviation Technology Group Co ltd
Original Assignee
China Innovation Aviation Technology Group Co ltd
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 China Innovation Aviation Technology Group Co ltd filed Critical China Innovation Aviation Technology Group Co ltd
Priority to CN202320697015.2U priority Critical patent/CN219626768U/en
Application granted granted Critical
Publication of CN219626768U publication Critical patent/CN219626768U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Filling, Topping-Up Batteries (AREA)

Abstract

The utility model discloses a battery cover plate, a battery and a battery pack, which comprises a cover plate body and an insulating support plate, wherein the cover plate body is provided with a first end face and a second end face, a liquid injection hole is formed in the cover plate body, the insulating support plate is arranged on the second end face, the insulating support plate is provided with a third end face, and a groove is formed in the third end face; the groove is arranged corresponding to the liquid injection hole; the side part of the groove is communicated with the outside of the insulating support plate. A battery comprises a battery shell, an electric core and a battery cover plate, wherein the battery shell is provided with an electric core cavity and an opening; the opening is communicated with the electric core cavity; the battery core is arranged in the battery core cavity through the opening; the cover plate body covers the opening so that the insulating support plate faces the electric core cavity. A battery pack comprises a battery box body and the battery. The utility model improves the liquid injection quantity; and can reduce the occurrence of clogging.

Description

Battery cover plate, battery and battery pack
Technical Field
The utility model relates to the technical field of power batteries, in particular to a battery cover plate, a battery and a battery pack.
Background
At present, the battery cell in the power battery mainly comprises a battery shell, a battery core and a battery cover plate, when the battery cell is assembled, an insulating film is arranged on the outer surface of the battery core, then the battery core can be placed in an opening of the battery shell and put into the battery shell, the battery cover plate is covered at the opening position of the battery shell, and the battery cover plate is covered behind the battery shell, for further insulation, an insulating piece is arranged on the end face, close to the battery core, of the battery cover plate, and insulation is formed between the battery core and the battery cover plate.
When electrolyte is injected into the battery, the electrolyte injection hole is formed in the battery cover plate, the hole structure is formed in the position, corresponding to the electrolyte injection hole, of the battery cover plate, so that electrolyte injection is facilitated, however, if the electrolyte injection hole is matched with the hole structure to realize electrolyte injection, impurities such as sealing nails of the electrolyte injection hole fall into the battery through the hole when the battery is pumped and pressed, and the hole structure is easy to block.
In addition, the injection hole is matched with the avoiding hole structure to inject the electrolyte, so that impurities such as sealing nails are prevented from falling into the sealing nails through the avoiding hole easily, the inner diameter of the avoiding hole is relatively smaller, and therefore the injection amount of the electrolyte is smaller under the condition of the same flow velocity when the electrolyte is injected, and the injection efficiency of the electrolyte is lower.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide a battery cover plate, wherein a groove structure is arranged on the third end surface of an insulating support plate, which is close to a cover plate body, and the groove structure can be matched with the second end surface of the cover plate body to enclose a liquid injection channel, so that the liquid injection amount is improved; and can reduce the occurrence of clogging.
The second object of the present utility model is to provide a battery, in which the groove structure of the battery cover plate can be matched with the second end surface of the cover plate body to form a liquid injection channel, so as to increase the liquid injection amount; and can reduce the occurrence of clogging.
The third object of the present utility model is to provide a battery pack, in which the groove structure of the battery cover plate can be matched with the second end surface of the cover plate body to form a liquid injection channel, so as to increase the liquid injection amount; and can reduce the occurrence of clogging.
One of the purposes of the utility model is realized by adopting the following technical scheme:
the battery cover plate comprises a cover plate body and an insulating support plate, wherein the cover plate body is provided with a first end face and a second end face which are away from each other, the cover plate body is provided with a liquid injection hole, the insulating support plate is arranged on the second end face, the insulating support plate is provided with a third end face which faces the second end face, and the third end face is provided with a groove; the groove is arranged corresponding to the liquid injection hole; the side part of the groove is communicated with the outside of the insulating support plate.
The second purpose of the utility model is realized by adopting the following technical scheme:
a battery comprises a battery shell, an electric core and a battery cover plate, wherein the battery shell is provided with an electric core cavity and an opening; the opening is communicated with the electric core cavity; the battery cell is installed in the battery cell cavity through the opening; the cover plate body covers the opening so that the insulating support plate faces the electric core cavity.
The third purpose of the utility model is realized by adopting the following technical scheme:
a battery pack comprises a battery box body and the battery.
Compared with the prior art, the utility model has the beneficial effects that: when the battery cover plate is covered on the battery shell, the first end face of the battery cover plate can deviate from the battery core, the second end face of the battery cover plate can face the battery core, when the battery cover plate is covered on the battery shell, a liquid injection channel is formed by a groove formed in the insulating support plate on the second end face of the battery cover plate and the second end face, electrolyte introduced into the liquid injection hole can be guided into the battery shell through the liquid injection channel by the edge of the insulating support plate, and an avoidance hole is not required to be additionally formed in the insulating support plate, so that blocking caused by the fact that an insulating film structure in the battery shell enters the liquid injection hole due to negative pressure can be effectively reduced when the battery is pumped and pressed.
In addition, because the third end face, close to the cover plate body, of the insulating support plate is provided with a groove structure to be matched with the second end face of the cover plate body to enclose a liquid injection channel, compared with the hole site structure of the insulating support plate in the prior art, a liquid injection path is widened, and liquid injection quantity and liquid injection efficiency are improved.
Drawings
FIG. 1 is a cross-sectional view of a battery cover plate of the present utility model;
FIG. 2 is a schematic structural view of an insulating support plate according to the present utility model;
FIG. 3 is a schematic view of another structure of an insulating support plate according to the present utility model;
FIG. 4 is a schematic view of another structure of an insulating support plate according to the present utility model;
fig. 5 is a schematic view of a battery cover plate to which the insulating support of fig. 4 is applied.
In the figure: 10. a cover plate body; 20. an insulating support plate; 21. a groove; 211. an outlet port; 22. reinforcing ribs; 221. arc rib sections; 23. an exhaust hole; 241. a first through hole; 242. and a second through hole.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and detailed description below:
in the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
In the case of example 1,
the battery cover plate as shown in fig. 1, 2, 3 and 4 comprises a cover plate body 10 and an insulating support plate 20, wherein a first end face and a second end face are arranged on the cover plate body 10, and the first end face and the second end face are located at two ends of the cover plate body 10, which are away from each other. The cover body 10 is provided with a liquid injection hole which can penetrate from a first end surface to a second end surface, and the insulating support 20 is mounted on the second end surface.
The insulating support 20 is provided with a third end surface, and after the insulating support 20 is assembled on the second end surface of the cover body 10, the third end surface may face the second end surface. The third end surface is provided with a groove 21, the groove 21 is arranged corresponding to the liquid injection hole, and the side part of the groove 21 can penetrate to the outside of the insulating support plate 20. Thus, after the insulating support 20 is mounted on the second end surface, the groove 21 is formed on the third end surface, so that the groove 21 on the third end surface and the second end surface can jointly enclose a liquid injection channel.
On the basis of the structure, when the battery cover plate is used, the end face of the cover plate body 10 facing the battery core is taken as a second end face, and the end face of the cover plate body 10 facing away from the battery core is taken as a first end face when the battery cover plate is assembled. When the battery cover plate is assembled with the battery shell, after the battery cover plate covers the battery shell, the insulating support plate 20 assembled on the cover plate body 10 can extend into the battery core cavity of the battery shell, and on the basis of the structure, the outside of the insulating support plate is the inside of the battery core cavity.
In the prior art, the periphery of the cover plate body 10 of the battery cover plate can be welded and fixed with the inner periphery of the battery shell, and the insulating support plate 20 can be assembled with the cover plate body 10 in a bonding or screw mode, after the assembly is completed, the outer periphery of the insulating support plate 20 can be spaced from the inner wall of the battery core cavity, so that when the liquid is injected, the liquid injection channel is formed by the groove 21 formed in the insulating support plate 20 on the second end surface of the battery cover plate and the second end surface, the electrolyte introduced into the liquid injection hole can be guided into the battery shell through the liquid injection channel, and an avoidance hole is not required to be additionally arranged on the insulating support plate 20, so that the blocking condition caused by the fact that the insulating film structure in the battery shell enters the liquid injection hole due to the negative pressure effect can be effectively reduced when the battery is pumped and pressed.
In addition, as the third end face of the insulating support plate 20, which is close to the cover plate body 10, is provided with the groove 21 structure to be matched with the second end face of the cover plate body 10 to enclose a liquid injection channel, compared with the hole site structure of the insulating support plate 20 in the prior art, the liquid injection path is widened, and the liquid injection amount and the liquid injection efficiency are improved.
Specifically, this embodiment provides a mode that annotates liquid passageway and insulating extension board outside and switches on, can be through making the recess link up to the border of insulating extension board, after the cooperation of recess and battery cover's second terminal surface forms annotating the liquid passageway, annotate the liquid passageway and can switch on with the battery casing is inside through the edge of insulating extension board, realizes that electrolyte leads out.
Further, a flow channel may be provided on the third end surface, one end of the flow channel is connected to the groove 21, and the other end of the flow channel is connected to the edge of the insulating support plate 20, so that when the electrolyte is injected, the electrolyte enters into the groove 21 through the injection hole, and the electrolyte entering into the groove 21 can be guided to the edge of the insulating support plate 20 through the flow channel and falls into the electric core of the battery case due to the flow channel provided on the third end surface.
Compared with the way that the groove 21 directly penetrates at least the edge of the battery support plate, the embodiment adopts the way of guiding in the way of flow channels, and particularly, a plurality of flow channels can be arranged on the third end face to disperse electrolyte, so that the electrolyte can enter the battery core more uniformly.
Of course, referring to fig. 3, a flow channel may be provided at the bottom wall of the groove 21, and the flow channel penetrates through the edge of the insulating support plate 20, that is, after the electrolyte enters the groove 21, the flow channel on the bottom wall of the groove 21 may be directly used for diversion and guiding, so that the electrolyte is more uniformly led out.
More specifically, the reinforcing ribs 22 may be disposed on the bottom wall of the groove 21, and since the insulating support plate 20 is generally formed by processing structures such as insulating plastic, if the structure of the groove 21 is directly processed on the insulating support plate 20, the thickness of the insulating support plate 20 at the position of the groove 21 will be relatively thinner, so that insufficient strength will occur, so in this embodiment, the reinforcing ribs 22 may be disposed on the bottom wall of the groove 21, and the reinforcing ribs 22 may increase the strength of the insulating support plate 20 at the position of the groove 21, and on the other hand, since the reinforcing ribs 22 are generally protruding rib structures, after the reinforcing ribs 22 are disposed in the groove 21, a partition may be formed inside the groove 21, so as to play a certain role in diverting the electrolyte in the groove 21, and to uniformly distribute the electrolyte.
On the basis of the structure that the reinforcing ribs 22 are arranged on the bottom wall of the groove 21, the flow channel structure on the third end face can be formed by separating the arranged reinforcing ribs, namely, the protruding reinforcing ribs 22 can play a role in separating the bottom wall of the groove, and the flow of electrolyte can be separated and guided by the reinforcing ribs, so that at least two flow channels can be formed in the groove by the reinforcing ribs.
It should be noted that, the flow channel structure in this embodiment may be a through groove structure, which is more convenient to process compared with the flow channel structure formed by adopting the hole site structure.
More specifically, on the basis that is equipped with the runner structure, can be equipped with the through-hole on the runner, the through-hole can set up a plurality ofly, and the one end and the runner intercommunication of through-hole, the other end of through-hole link up to the terminal surface that insulating extension board 20 kept away from the third terminal surface, so, after electrolyte gets into recess 21, electrolyte can get into and shunt the guide through the runner, and electrolyte after getting into the runner can further shunt through the through-hole, the through-hole structure can direct the electrolyte in the runner downwards, realizes further reposition of redundant personnel.
In the case of example 2,
referring to fig. 2, the present embodiment further provides another battery cover plate, in which the insulating support plate 20 may be provided with a reinforcing rib 22 on the bottom wall of the groove 21, and the reinforcing rib 22 extends in the first direction, and in addition, the groove 21 is provided with an outlet 211 on the side wall in the second direction, and the first direction is perpendicular to the second direction.
On the basis of the structure, the reinforcing ribs 22 can be arranged on the bottom wall of the groove 21, the structure of the reinforcing ribs 22 can increase the strength of the insulating support plate 20 at the position of the groove 21 on one hand, and on the other hand, the reinforcing ribs 22 are generally of a convex rib structure, so that after the reinforcing ribs 22 are arranged in the groove 21, separation can be formed in the groove 21, a certain flow dividing effect is achieved on electrolyte in the groove 21, and the electrolyte is uniform.
Further, since the reinforcing ribs 22 are distributed on both sides in the first direction, the electrolyte can be guided to be led out from the guide openings on both sides in the second direction, and the flow dividing effect can be achieved.
More specifically, the end of the reinforcing rib 22 may be further provided with an arc rib section 221, and the arc rib sections 221 of the reinforcing ribs 22 on two sides in the first direction are spaced, so that after the electrolyte enters the groove 21, the electrolyte can be guided and split through the reinforcing ribs 22 in the first direction, further, the arc rib section 221 arranged on the end of the reinforcing rib 22 can extend the split path of the electrolyte, the split effect is better, the flow velocity of the electrolyte is slowed down, and the electrolyte flows more uniformly.
In the case of example 3,
referring to fig. 4 and 5, this embodiment further provides another insulating battery cover plate, in which an explosion-proof valve may be disposed on the first end surface of the cover plate body 10, and an exhaust hole 23 is correspondingly disposed on the insulating support plate 20, and specifically the exhaust hole may penetrate through the insulating support plate.
Specifically, the vent hole 23 is communicated with the groove 21, so that the liquid injection channel formed by matching the groove with the third end face of the battery cover plate can be communicated with the insulating support plate through the vent hole, and when electrolyte is injected, the electrolyte is guided to the vent hole through the liquid injection channel and can be guided into the battery shell through the vent hole.
In the use process of the battery, since the air is blown into the battery cell due to heat generation, an explosion-proof valve needs to be arranged, and the explosion-proof valve is opened when the battery is overheated to lead out impurities such as gas, liquid and the like in the battery. However, in the conventional battery case, the vent hole 23 corresponding to the explosion-proof valve is generally disposed near the position of the pole, so that the situation that the vent hole 23 is blocked by the pole is easy to occur during the use, while the vent hole 23 in the present utility model is disposed at the position corresponding to the groove 21, and the position of the vent hole 23 corresponds to the position of the groove 21, so that the structure of the pole is far away from the position of the vent hole 23, and the situation that the vent hole 23 is blocked by the pole is reduced because the position of the injection is far away from the position of the pole in order to prevent the pole from being polluted by the electrolyte during the injection.
Further, since the exhaust hole 23 penetrates the groove 21, the exhaust amount is formed by the exhaust hole 23 and the space of the groove 21, and the exhaust volume is large, so that the exhaust valve is safer to use when exhausting.
Further, a protruding portion may be provided on the bottom wall of the groove 21, and the protruding portion may be a protruding pillar structure or a protruding hull structure, and may be provided on the bottom wall of the groove 21 in a protruding manner.
Further, a first through hole 241 may be formed on a top end surface of the protruding portion, and a second through hole 242 may be formed on a side surface of the protruding portion, where the first through hole 241 penetrates and the second through hole 242 penetrates to an end surface of the insulating support 20 away from the third end surface. That is, after the electrolyte enters the recess 21, a part of the electrolyte may be directly led to the end face of the insulating support 20 near the cell through the first through hole 241, or a part of the electrolyte may be led to the end face of the insulating support 20 near the cell through the second through hole 242 on the side portion, or may have a shunt function.
More specifically, the second through holes 242 are provided with a plurality of second through holes 242, and the periphery of the first through holes 241 is surrounded by a plurality of second through holes 242, so that the first through hole 241 is arranged in the middle of the protruding part, and a plurality of second through holes 242 are arranged around the protruding part to disperse electrolyte, so that the effects of shunting, homogenizing electrolyte and improving flow velocity can be achieved, and the situation that foreign matters (sealing nails, welding slag and the like) enter and block due to the fact that the single hole is oversized can be avoided.
In the case of example 4,
the battery comprises a battery shell, an electric core and a battery cover plate in the embodiment 1, the embodiment 2 and the embodiment 3, wherein the battery shell is provided with an electric core cavity and an opening, the opening is communicated with the electric core cavity, the electric core is arranged in the electric core cavity through the opening, and a cover plate body 10 of the battery cover plate covers the opening so that the insulating support plate 20 faces the electric core cavity.
When assembling, the end face of the cover plate body 10 facing the battery cell is taken as a second end face, and the end face of the cover plate body 10 facing away from the battery cell is taken as a first end face. When the battery cover plate is assembled with the battery shell, after the battery cover plate covers the battery shell, the insulating support plate 20 assembled on the cover plate body 10 can extend into the electric cavity of the battery shell, in the prior art, the peripheral edge of the cover plate body 10 of the battery cover plate can be welded and fixed with the inner peripheral edge of the battery shell, the insulating support plate 20 can be assembled with the cover plate body 10 in a bonding or screw mode, and the like, after the assembly is finished, the outer peripheral edge of the insulating support plate 20 can be spaced from the inner wall of the battery core cavity, so that when liquid injection is carried out, since the groove 21 formed on the second end surface of the battery cover plate and the second end surface of the insulating support plate 20 form a liquid injection channel, electrolyte introduced into the liquid injection hole can be guided into the battery shell through the edge of the insulating support plate 20 without arranging an avoidance hole on the insulating support plate 20, and therefore, when the battery is pumped and pressed into a formed, the blocking condition caused by the fact that the insulating film structure in the battery shell enters the liquid injection hole can be effectively reduced.
In addition, as the third end face of the insulating support plate 20, which is close to the cover plate body 10, is provided with the groove 21 structure to be matched with the second end face of the cover plate body 10 to enclose a liquid injection channel, compared with the hole site structure of the insulating support plate 20 in the prior art, the liquid injection path is widened, and the liquid injection amount and the liquid injection efficiency are improved.
In example 5 the process was carried out,
a battery pack includes a battery case and the battery of embodiment 4 described above, and a plurality of batteries may be stacked to form a battery pack and then mounted in the battery case. And when the specific battery is assembled, the end face of the cover plate body 10 facing the battery cell is taken as a second end face, and the end face of the cover plate body 10 facing away from the battery cell is taken as a first end face. When the battery cover plate is assembled with the battery shell, after the battery cover plate covers the battery shell, the insulating support plate 20 assembled on the cover plate body 10 can extend into the electric cavity of the battery shell, in the prior art, the peripheral edge of the cover plate body 10 of the battery cover plate can be welded and fixed with the inner peripheral edge of the battery shell, the insulating support plate 20 can be assembled with the cover plate body 10 in a bonding or screw mode, and the like, after the assembly is finished, the outer peripheral edge of the insulating support plate 20 can be spaced from the inner wall of the battery core cavity, so that when liquid injection is carried out, since the groove 21 formed on the second end surface of the battery cover plate and the second end surface of the insulating support plate 20 form a liquid injection channel, electrolyte introduced into the liquid injection hole can be guided into the battery shell through the edge of the insulating support plate 20 without arranging an avoidance hole on the insulating support plate 20, and therefore, when the battery is pumped and pressed into a formed, the blocking condition caused by the fact that the insulating film structure in the battery shell enters the liquid injection hole can be effectively reduced.
In addition, as the third end face of the insulating support plate 20, which is close to the cover plate body 10, is provided with the groove 21 structure to be matched with the second end face of the cover plate body 10 to enclose a liquid injection channel, compared with the hole site structure of the insulating support plate 20 in the prior art, the liquid injection path is widened, and the liquid injection amount and the liquid injection efficiency are improved.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the appended claims.

Claims (15)

1. The battery cover plate is characterized by comprising a cover plate body (10) and an insulating support plate (20), wherein the cover plate body (10) is provided with a first end face and a second end face which are away from each other, the cover plate body (10) is provided with a liquid injection hole, the insulating support plate (20) is installed on the second end face, the insulating support plate (20) is provided with a third end face which faces the second end face, and the third end face is provided with a groove (21); the groove (21) is arranged corresponding to the liquid injection hole; the side part of the groove is communicated with the outside of the insulating support plate.
2. The battery cover according to claim 1, characterized in that the recess (21) penetrates to the edge of the insulating support (20).
3. The battery cover plate according to claim 1, wherein a flow channel is arranged on the third end face, one end of the flow channel is communicated with the groove (21), and the other end of the flow channel penetrates through to the edge of the insulating support plate (20).
4. The battery cover according to claim 1, characterized in that the bottom wall of the recess (21) is provided with a flow channel which runs through the edge of the insulating support (20).
5. A battery cover according to claim 3, characterized in that the bottom wall of the recess (21) is provided with a rib (22) for dividing the recess into at least two of the flow channels.
6. The battery cover plate according to any one of claims 3 to 5, wherein a through hole is provided in the flow channel, one end of the through hole is communicated with the flow channel, and the other end of the through hole penetrates to an end face of the insulating support plate (20) away from the third end face.
7. The battery cover plate according to claim 1, wherein the bottom wall of the recess (21) is provided with reinforcing ribs (22) on both side walls in the first direction; the reinforcing ribs (22) extend in a first direction; the side wall of the groove (21) in the second direction is provided with an outlet (211); the first direction is perpendicular to the second direction.
8. The battery cover plate according to claim 7, wherein the end of the reinforcing rib (22) is provided with a circular arc rib section (221); arc rib sections (221) of the reinforcing ribs (22) on both sides in the first direction are spaced apart.
9. The battery cover plate according to claim 1, wherein an explosion-proof valve is arranged on the first end face, an exhaust hole (23) is arranged on the insulating support plate (20), and the exhaust hole (23) is arranged corresponding to the explosion-proof valve; the exhaust hole (23) penetrates through the insulating support plate (20).
10. The battery cover according to claim 9, wherein the vent hole (23) is penetrated with a side portion of the groove (21).
11. Battery cover according to claim 1, characterized in that the bottom wall of the recess (21) is provided with a protruding portion.
12. The battery cover plate according to claim 11, wherein a top end face of the protruding portion is provided with a first through hole (241); a second through hole (242) is formed in the side face of the protruding part; the first through hole (241) and the second through hole (242) are communicated to the end face of the insulating support plate (20) far away from the third end face.
13. The battery cover plate according to claim 12, wherein a plurality of the second through holes (242) are provided, and a plurality of the second through holes (242) are arranged around the periphery of the first through hole (241) at intervals.
14. A battery comprising a battery housing, a battery cell and a battery cover as claimed in any one of claims 1 to 13, the battery housing being provided with a battery cell cavity and an opening; the opening is communicated with the electric core cavity; the battery cell is installed in the battery cell cavity through the opening; the cover plate body (10) is covered on the opening so that the insulating support plate (20) faces the electric core cavity.
15. A battery pack comprising a battery case and the battery of claim 13.
CN202320697015.2U 2023-03-31 2023-03-31 Battery cover plate, battery and battery pack Active CN219626768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320697015.2U CN219626768U (en) 2023-03-31 2023-03-31 Battery cover plate, battery and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320697015.2U CN219626768U (en) 2023-03-31 2023-03-31 Battery cover plate, battery and battery pack

Publications (1)

Publication Number Publication Date
CN219626768U true CN219626768U (en) 2023-09-01

Family

ID=87771610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320697015.2U Active CN219626768U (en) 2023-03-31 2023-03-31 Battery cover plate, battery and battery pack

Country Status (1)

Country Link
CN (1) CN219626768U (en)

Similar Documents

Publication Publication Date Title
WO2021082218A1 (en) Sealing assembly and lithium ion battery
WO2023065974A1 (en) Battery cell, battery and electric device
CN218300117U (en) Single battery and battery pack
CN115602994B (en) Battery module and electric equipment
CN219626768U (en) Battery cover plate, battery and battery pack
CN216720122U (en) Battery package upper cover and have its battery package
CN216354512U (en) Battery module and battery pack
US20220093956A1 (en) Bipolar battery and power storage device
CN215220904U (en) Battery with a battery cell
WO2023217226A1 (en) Battery cell, battery pack and vehicle
CN219419393U (en) Battery and power equipment
CN219017787U (en) Top cover assembly of battery monomer, battery and electric equipment
CN218827478U (en) Battery cover plate, battery and battery pack
CN115295954B (en) Box structure, battery pack and vehicle
CN218123672U (en) Integrated battery structure
CN213340522U (en) Liquid cooling board and battery package
CN216529115U (en) Battery pack
CN113451701A (en) Battery structure with good exhaust effect
CN209169211U (en) A kind of encapsulating structure for strengthening circular batteries air-tightness
CN219321479U (en) Cover plate assembly and battery
CN221239768U (en) Single battery
CN221530087U (en) Lower plastic, battery top cover and battery
CN219419467U (en) Battery and power equipment
CN220821833U (en) Battery cell and battery pack
CN219892347U (en) Battery and battery module thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant