CN217589186U - Cover plate and battery - Google Patents
Cover plate and battery Download PDFInfo
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- CN217589186U CN217589186U CN202221052444.6U CN202221052444U CN217589186U CN 217589186 U CN217589186 U CN 217589186U CN 202221052444 U CN202221052444 U CN 202221052444U CN 217589186 U CN217589186 U CN 217589186U
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- electrode
- shell
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000012212 insulator Substances 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
-
- 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
- H01M50/543—Terminals
-
- 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
- H01M50/56—Cup shaped terminals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of the battery, a apron and battery are disclosed. The cover plate comprises a protruding portion, the protruding portion is electrically connected with the first electrode of the battery cell, and the outer edge of the protruding portion is abutted to the inner wall of the shell. The cover plate can simplify the installation process between the cover plate and the shell, and improves the assembly efficiency. The battery comprises a cover plate, a shell, a battery core and a terminal. The battery comprises a shell, a battery cell, a cover plate, a terminal, a second electrode and a terminal, wherein one end of the shell is provided with an opening, the battery cell is installed in the shell, the cover plate is welded and sealed in the opening, the terminal is connected to the other end of the shell in a sealing and insulating mode, one end of the terminal is electrically connected with the second electrode of the battery cell, and the other end of the terminal protrudes out of the end face of the other end of the shell. The battery has the advantages of excellent sealing, simple process and low cost.
Description
Technical Field
The utility model relates to a battery technology field especially relates to an apron and battery.
Background
At present, most totally enclosed battery includes upper cover, inferior valve and inside electric core, and in order to make the junction of upper cover and inferior valve sealed, generally set up the sealing washer between upper cover and inferior valve and seal. However, the battery with such a structure is complicated in manufacturing process and high in cost. And sealing is realized only by the sealing ring, so that the sealing performance is difficult to ensure. And traditional upper cover is platelike structure, and the operation that upper cover and electric core electricity are connected is comparatively complicated, spends more time.
Therefore, it is desirable to provide a cover plate and a battery to solve the above problems.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an aspect, the utility model provides an apron can simplify the installation procedure between apron and the casing, improves assembly efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
a cover plate is used for sealing a battery cell in a shell and comprises a protruding portion, the protruding portion is electrically connected with a first electrode of the battery cell, and the outer edge of the protruding portion is abutted to the inner wall of the shell.
Optionally, the protruding portion is arc-shaped and provided with a plurality of protruding portions, and the protruding portions are arranged along the circumferential direction of the cover plate at intervals.
Optionally, an explosion-proof valve is arranged on the cover plate.
According to the utility model discloses a further aspect, the utility model discloses still provide a battery, it is sealed good to have, simple process, low cost's advantage.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery comprises the cover plate, a shell, a battery core and a terminal,
the battery comprises a shell, a battery cell and a cover plate, wherein one end of the shell is provided with an opening, the battery cell is installed in the shell, the cover plate is welded and sealed in the opening, the terminal is connected to the other end of the shell in a sealing and insulating mode, one end of the terminal is electrically connected with a second electrode of the battery cell, and the other end of the terminal protrudes out of the end face of the other end of the shell.
Optionally, the battery further comprises an insulating gasket, and the insulating gasket is arranged between the second electrode of the battery cell and the other end face of the casing to insulate the second electrode of the battery cell and the other end face of the casing.
Optionally, the terminal has an i-shaped cross section, and includes a first horizontal portion, a vertical portion, and a second horizontal portion,
the first horizontal part is electrically connected with a second electrode of the battery cell, the second horizontal part is in insulated abutting joint with the other end face of the shell, and the vertical part is arranged on the other end face of the shell in a sealing and insulating mode.
Optionally, the housing further comprises an outer insulating member disposed between the second horizontal portion and the other end surface of the housing.
Optionally, the outer insulator is a hollow boss structure, and the outer insulator is sleeved on the vertical portion.
Optionally, the internal insulator is disposed between the first horizontal portion and the other end surface of the housing.
Optionally, the inner insulator is a hollow boss structure, and the inner insulator is sleeved on the vertical portion.
Optionally, the inner insulator is sleeved outside the outer insulator.
Optionally, the method further comprises:
the positive current collecting disc is arranged between the second electrode of the battery cell and the terminal, one end face of the positive current collecting disc is electrically connected with the second electrode of the battery cell through welding, and the other end face of the positive current collecting disc is electrically connected with the terminal through welding;
the negative current collecting plate is arranged between the first electrode of the battery cell and the cover plate, one end face of the negative current collecting plate is electrically connected with the first electrode of the battery cell through welding, and the other end face of the negative current collecting plate is electrically connected with the cover plate through welding.
Optionally, a welding position of the cover plate and the shell is provided with a protective adhesive.
The utility model has the advantages that:
the utility model provides an apron sets up the bellying through the bottom at the apron, is favorable to simplifying the connection process between apron and the electric core, improves the installation effectiveness. The outer edge of the protruding portion is abutted to the inner wall of the shell, and the installation and positioning of the cover plate and the shell are facilitated.
The utility model also provides a battery, including foretell apron, casing, electric core and terminal. The shell and the cover plate welded and sealed with the shell are used as a first electrode of the battery, and the terminal is used as a second electrode of the battery.
Through setting up between apron and the casing for welded seal, only set up the sealing washer with the tradition and seal up and compare, sealing performance is more excellent, is favorable to improving the sealing performance of above-mentioned battery.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a battery provided by an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partial enlarged view of fig. 1 at B.
In the figure:
100. a cover plate; 110. a boss portion; 120. an explosion-proof valve; 200. a housing; 300. an electric core; 400. a terminal; 410. a first horizontal portion; 420. a vertical portion; 430. a second horizontal portion; 500. an insulating spacer; 600. an outer insulating member; 700. an inner insulating member; 800. a positive current collecting plate; 900. and a negative current collecting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides a cover plate, which can simplify the installation process between the cover plate and a shell and improve the assembly efficiency.
Specifically, as shown in fig. 1, a protruding portion 110 is disposed on the cover plate 100, and the protruding portion 110 is electrically connected to the first electrode of the battery cell 300, so that the cover plate 100 and the casing 200 are the first electrode of the battery. The battery cell is provided with the protruding part 110, so that compared with the conventional flat plate type cover plate 100, the connection process of the cover plate 100 and the first electrode of the battery cell 300 is simplified. Since the cap plate 100 is generally connected to the first electrode of the battery cell 300 by welding, the provision of the protrusion 110 can facilitate the welding operation and improve the assembly efficiency of the battery. The outer edge of the protruding portion 100 abuts against the inner wall of the housing 200, so that the mounting and positioning effects on the cover plate 100 and the housing 200 are achieved, and the mounting efficiency between the cover plate 100 and the housing 200 is improved. The first electrode may be a positive electrode or a negative electrode, and in this embodiment, the first electrode is a negative electrode.
Preferably, in the present embodiment, the cover plate 100 is circular, and thus, the protrusion 110 may have an arc structure matching with the cover plate 100. The protrusion 110 may be provided in plurality, and the plurality of protrusions 110 are spaced apart along the circumferential direction of the cap plate 100.
Preferably, with reference to fig. 1, an explosion-proof valve 120 may be disposed on the cover plate 100, and when the battery cell 300 is out of control due to heat, the explosion-proof valve 120 is opened to discharge the gas in the housing 200 in time, so as to avoid serious accidents such as guarantee, and reduce the loss of accidents.
The utility model also provides a battery, it is sealed good to have, simple process, low cost's advantage.
Specifically, as shown in fig. 1 to 4, the battery includes the aforementioned cap plate 100, the case 200, the battery cell 300, and the terminal 400. The battery cell 300 is mounted in the casing 200 through the opening, and the cover plate 100 is welded and sealed to the opening, so that the cover plate 100 and the casing 200 can form a complete seal for the battery cell 300, thereby preventing external water from entering the casing 200 to cause a short circuit of the battery cell 300, and prolonging the service life of the battery cell 300. Compared with the prior art that the sealing cover plate 100 and the shell 200 are sealed through the sealing ring, the sealing performance of welding sealing is better, the structural stability is high, and the processing is convenient. In this embodiment, the battery cell 300 is a full tab winding core. In other embodiments, the structure of the battery cell 300 may also be other, and may be set according to actual needs. The terminal 400 is connected to the other end of the case 200, and has one end electrically connected to the second electrode of the battery cell 300 and the other end protruding from the other end surface of the case 200, and the protruding portion serves as the second electrode of the battery. The junction of the terminal 400 and the other end face of the housing 200 is sealed and insulated.
Preferably, as shown in fig. 2, since the casing 200 is a first electrode of the battery, in order to avoid a short circuit caused by the contact between the second electrode of the battery cell 300 and the end face of the other end of the casing 200, an insulating gasket 500 may be disposed between the second electrode of the battery cell 300 and the end face of the other end of the casing 200, and the second electrode of the battery cell 300 and the end face of the other end of the casing 200 are separated by the insulating gasket 500, so as to ensure the reliability of the operation of the battery.
Further, in one embodiment, the insulating spacer 500 may have a circular ring shape, the size of the circular ring-shaped insulating spacer 500 is matched with the second electrode of the battery cell 300, and the central opening is used for avoiding the terminal 400. In other embodiments, the shape of the insulating pad 500 may be other, and may be set according to actual needs.
Optionally, with continued reference to fig. 2, in one embodiment, the cross-sectional shape of the terminal 400 may be i-shaped, including a first horizontal portion 410, a vertical portion 420, and a second horizontal portion 430. Wherein the first horizontal portion 410 is electrically connected to the second electrode of the battery cell 300. The second horizontal portion 430 is in insulating contact with the other end surface of the case 200, and protrudes from the other end surface of the case 200, and the second horizontal portion 430 serves as a second electrode of the battery. The vertical portion 420 is hermetically and insulatively disposed through the other end surface of the housing 200. In other embodiments, the cross-sectional shape of the terminal 400 may be other shapes, such as T-shaped, etc., and may be set according to actual needs.
In the present embodiment, the second electrode of the battery cell 300 is electrically connected to the terminal 400 by welding. In other embodiments, the second electrode of the battery cell 300 and the terminal 400 may also be electrically connected in other manners, and may be arranged according to actual needs.
Preferably, in order to avoid the short circuit caused by the contact between the second horizontal portion 430 and the end surface of the other end of the housing 200, an external insulating member 600 may be disposed between the second horizontal portion 430 and the end surface of the other end of the housing 200, and the external insulating member 600 has an insulating function, so that the short circuit caused by the contact between the second horizontal portion 430 of the terminal 400 and the end surface of the other end of the housing 200 can be effectively avoided, and the reliability of the operation of the battery can be improved.
Further, in one embodiment, the outer insulator 600 is a hollow boss structure, and the outer insulator 600 is sleeved on the vertical portion 420 of the terminal 400. Specifically, the horizontal section of the outer insulating member 600 of the hollow boss type structure is disposed between the second horizontal portion 430 and the other end surface of the housing 200. The vertical section is provided between the vertical portion 420 of the terminal 400 and the other end of the housing 200, and can achieve both insulation between the second horizontal portion 430 of the terminal 400 and the other end surface of the housing 200 and insulation between the vertical portion 420 of the terminal 400 and the other end of the housing 200. In other embodiments, the shape of the outer insulating member 600 may be other shapes, and may be set according to actual needs.
Preferably, the outer insulator 600 may be made of a flexible material. The flexible material has certain elastic deformation capacity, can closely contact with the terminal 400 and the other end face of the shell 200 through self deformation, and can improve the sealing performance between the terminal 400 and the other end face of the shell 200 while ensuring the insulation between the terminal 400 and the other end face of the shell 200, thereby improving the sealing performance of the battery.
Preferably, with reference to fig. 2, in order to avoid short circuit caused by the contact between the first horizontal portion 410 and the end surface of the other end of the housing 200, an inner insulating member 700 may be disposed between the first horizontal portion 410 and the end surface of the other end of the housing 200, where the inner insulating member 700 has an insulating function, so as to effectively prevent the first horizontal portion 410 of the terminal 400 from contacting the end surface of the other end of the housing 200 to cause short circuit, thereby improving the reliability of the operation of the battery.
Further, in one embodiment, the inner insulator 700 is a hollow boss-type structure, and the inner insulator 700 is fitted over the vertical portion 420 of the terminal 400. Specifically, the horizontal section of the inner insulator 700 of the hollow boss type structure is disposed between the first horizontal portion 410 and the other end surface of the housing 200. The vertical section is provided between the vertical portion 420 of the terminal 400 and the other end of the housing 200, and can achieve insulation between the first horizontal portion 410 of the terminal 400 and the other end surface of the housing 200, and also between the vertical portion 420 of the terminal 400 and the other end of the housing 200. In other embodiments, the shape of the inner insulator 700 may be other shapes, and may be set according to actual needs.
Preferably, the inner insulator 700 may also be sleeved outside the outer insulator 600, that is, the horizontal section of the inner insulator 700 of the hollow boss type structure is disposed between the first horizontal portion 410 and the other end surface of the housing 200. The vertical section is provided between the vertical section of the outer insulator 600 and the other end face of the housing 200, which is advantageous for improving the insulating property between the vertical portion 420 of the terminal 400 and the other end of the housing 200.
Preferably, the inner insulator 700 may be made of a flexible material. The flexible material has certain elastic deformation capacity, can closely contact with the terminal 400 and the other end face of the shell 200 through self deformation, and can improve the sealing performance between the terminal 400 and the other end face of the shell 200 while ensuring the insulation between the terminal 400 and the other end face of the shell 200, thereby improving the sealing performance of the battery.
Preferably, the battery may further include a cathode current collecting disk 800 and an anode current collecting disk 900. Specifically, one end surface of the positive current collecting plate 800 is electrically connected to the second electrode of the battery cell 300 by welding, and the other end surface of the positive current collecting plate 800 is electrically connected to the terminal 400 by welding. The anode current collecting plate 900 is disposed between the first electrode of the battery cell 300 and the cover plate 100, and specifically, one end surface of the anode current collecting plate 900 is electrically connected to the first electrode of the battery cell 300 by welding, and the other end surface is electrically connected to the cover plate 100 by welding. By providing the positive current collecting plate 800 and the negative current collecting plate 900, the electrical connection strength between the battery cell 300 and the terminal 400 and between the battery cell and the cover plate 100 can be improved, and the operational reliability of the battery can be ensured.
Preferably, a protective adhesive may be disposed at the welding position of the cover plate 100 and the housing 200, so that on one hand, the sealing performance between the cover plate 100 and the housing 200 can be improved; on the other hand, the welding seam of the cover plate 100 and the shell 200 can be protected, the welding seam is prevented from being corroded and cracked, and the reliability of connection between the cover plate 100 and the shell 200 is improved. In this embodiment, the protective adhesive is UV adhesive (UV), and the UV included angle has the advantage of fast curing, and is favorable to reinforcing the seal between the cover plate 100 and the housing 200. In other embodiments, the protective glue may be made of other materials, and may be selected according to actual needs.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. A cover plate for sealing a cell within a housing, comprising a protrusion (110), the protrusion (110) being electrically connected to a first electrode of the cell (300), an outer edge of the protrusion (110) abutting against an inner wall of the housing (200).
2. The cover plate according to claim 1, wherein the protruding portion (110) is arc-shaped and provided in plurality, and the plurality of protruding portions (110) are provided at intervals in a circumferential direction of the cover plate (100).
3. The cover plate of claim 1, wherein the cover plate (100) is provided with an explosion-proof valve (120).
4. A battery, characterized by comprising the cap plate (100) according to any one of claims 1 to 3, a case (200), a cell (300), and a terminal (400),
one end of the shell (200) is provided with an opening, the battery cell (300) is installed in the shell (200), the cover plate (100) is welded and sealed in the opening, the terminal (400) is connected to the other end of the shell (200) in a sealing and insulating manner, one end of the terminal (400) is electrically connected with the second electrode of the battery cell (300), and the other end of the terminal protrudes out of the end face of the other end of the shell (200).
5. The battery according to claim 4, further comprising an insulating spacer (500), wherein the insulating spacer (500) is disposed between the second electrode of the battery cell (300) and the other end face of the housing (200) to insulate the second electrode of the battery cell (300) from the other end face of the housing (200).
6. The battery according to claim 4, wherein the terminal (400) has an I-shaped cross section, the terminal (400) includes a first horizontal portion (410), a vertical portion (420), and a second horizontal portion (430),
the first horizontal part (410) is electrically connected with a second electrode of the battery cell (300), the second horizontal part (430) is in insulation abutting joint with the end face of the other end of the shell (200), and the vertical part (420) penetrates through the end face of the other end of the shell (200) in a sealing and insulation mode.
7. The battery according to claim 6, further comprising an outer insulator (600), wherein the outer insulator (600) is disposed between the second horizontal portion (430) and the other end surface of the case (200).
8. The battery according to claim 7, wherein the outer insulator (600) has a hollow boss-shaped structure, and the outer insulator (600) is fitted over the vertical portion (420).
9. The battery according to claim 7, further comprising an inner insulator (700), wherein the inner insulator (700) is disposed between the first horizontal portion (410) and the other end surface of the case (200).
10. The battery according to claim 9, wherein the inner insulator (700) has a hollow boss-shaped structure, and the inner insulator (700) is fitted over the vertical portion (420).
11. The battery according to claim 10, wherein the inner insulator (700) is fitted around the outer insulator (600).
12. The battery according to any one of claims 4 to 11, further comprising:
the positive current collecting disc (800) is arranged between the second electrode of the battery cell (300) and the terminal (400), one end face of the positive current collecting disc (800) is electrically connected with the second electrode of the battery cell (300) through welding, and the other end face of the positive current collecting disc is electrically connected with the terminal (400) through welding;
the battery cover plate comprises an anode current collecting plate (900), wherein the anode current collecting plate (900) is arranged between a first electrode of the battery core (300) and the cover plate (100), one end face of the anode current collecting plate (900) is electrically connected with the first electrode of the battery core (300) in a welding mode, and the other end face of the anode current collecting plate is electrically connected with the cover plate (100) in a welding mode.
13. The battery according to any one of claims 4-11, wherein a protective glue is provided at the welding of the cover plate (100) and the housing (200).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052444.6U CN217589186U (en) | 2022-05-05 | 2022-05-05 | Cover plate and battery |
| PCT/CN2022/130040 WO2023213066A1 (en) | 2022-05-05 | 2022-11-04 | Cover plate and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052444.6U CN217589186U (en) | 2022-05-05 | 2022-05-05 | Cover plate and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589186U true CN217589186U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052444.6U Active CN217589186U (en) | 2022-05-05 | 2022-05-05 | Cover plate and battery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217589186U (en) |
| WO (1) | WO2023213066A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023213066A1 (en) * | 2022-05-05 | 2023-11-09 | 湖北亿纬动力有限公司 | Cover plate and battery |
| WO2024159641A1 (en) * | 2023-01-31 | 2024-08-08 | 湖北亿纬动力有限公司 | Battery, battery module and electric device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215578674U (en) * | 2021-05-21 | 2022-01-18 | 湖北亿纬动力有限公司 | Assembling structure of positive pole and positive current collecting plate and battery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558614U (en) * | 2016-12-31 | 2017-10-13 | 深圳市沃特玛电池有限公司 | Annular electrokinetic cell |
| CN208835204U (en) * | 2018-10-16 | 2019-05-07 | 苏州创能新能源实业有限公司 | A kind of dynamic lithium battery |
| CN113363677B (en) * | 2021-04-30 | 2022-08-19 | 蜂巢能源科技(无锡)有限公司 | Lithium battery and preparation method thereof |
| CN215988958U (en) * | 2021-06-15 | 2022-03-08 | 福建南平延平区南孚新能源科技有限公司 | Button cell |
| CN215578753U (en) * | 2021-08-18 | 2022-01-18 | 苏州创能新能源实业有限公司 | Battery case and cover plate structure thereof |
| CN217589186U (en) * | 2022-05-05 | 2022-10-14 | 湖北亿纬动力有限公司 | Cover plate and battery |
-
2022
- 2022-05-05 CN CN202221052444.6U patent/CN217589186U/en active Active
- 2022-11-04 WO PCT/CN2022/130040 patent/WO2023213066A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023213066A1 (en) * | 2022-05-05 | 2023-11-09 | 湖北亿纬动力有限公司 | Cover plate and battery |
| WO2024159641A1 (en) * | 2023-01-31 | 2024-08-08 | 湖北亿纬动力有限公司 | Battery, battery module and electric device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023213066A1 (en) | 2023-11-09 |
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