CN220456600U - Full-tab battery current collecting disc and battery - Google Patents
Full-tab battery current collecting disc and battery Download PDFInfo
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- CN220456600U CN220456600U CN202321360147.2U CN202321360147U CN220456600U CN 220456600 U CN220456600 U CN 220456600U CN 202321360147 U CN202321360147 U CN 202321360147U CN 220456600 U CN220456600 U CN 220456600U
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- 210000001503 joint Anatomy 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a full-tab battery current collecting disc and a battery, wherein the full-tab battery current collecting disc comprises a current collecting disc body and a connecting part sleeved on the periphery of the current collecting disc body, a first connecting area and a second connecting area are arranged on the current collecting disc body, a connecting piece for connecting an electric core is arranged on the second connecting area, and a conductive part is arranged on one side, close to the electric core, of the first connecting area; in the device, when the connecting piece is connected with the full tab on the battery cell, the conductive part can be abutted with the full tab on the battery cell; the conductive part is arranged to increase the contact area between the current collecting disc body and the full tab on the battery cell, thereby reducing the internal resistance, enhancing the electronic conduction and improving the overcurrent capacity and the multiplying power performance of the battery.
Description
[ field of technology ]
The utility model relates to the technical field of batteries, in particular to a full-tab battery current collecting disc and a battery.
[ background Art ]
The cylindrical battery generally comprises a shell, an electric core, a current collecting disc and a pole assembly, wherein the current collecting disc is connected with the electric core in a laser welding mode; laser welding of a current collecting disc of a cylindrical battery: the method is to weld the current collecting disc of the battery and the tab of the battery by laser. The current collecting disc laser welding is usually performed by adopting a spot welding or laser welding technology, and the current transmission of the battery is realized by forming a firm laser welding point between the battery tab and the battery current collecting disc; after the current collecting disc and the electrode lugs are welded by laser, a certain gap exists between the center of the current collecting disc and the electrode lugs, so that the contact area between the electrode lugs and the current collector is reduced, and the rate performance of the battery is influenced.
In view of this, the utility model provides a collector plate of a full-tab battery, which improves the contact area between the full tab on the battery core and the current collector after the collector plate and the full tab on the battery core are welded by laser, thereby reducing the internal resistance, enhancing the electron conduction and improving the multiplying power performance of the battery.
[ utility model ]
The utility model aims to provide a full-tab battery current collecting disc, which improves the contact area between full tabs on a battery core and a current collector after the current collecting disc and the full tabs on the battery core are subjected to laser welding, so that the internal resistance is reduced, the electronic conduction is enhanced, and the multiplying power performance of the battery is improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a full tab battery current collecting disc for connect electric core and utmost point post, full tab battery current collecting disc includes current collecting disc body and connecting portion, the connecting portion cover is established the week side of current collecting disc body, be equipped with first connecting region and second connecting region on the current collecting disc body, first connecting region is used for connecting the utmost point post, be equipped with on the second connecting region and be used for connecting the connecting piece of electric core, first connecting region is close to one side of electric core is equipped with electrically conductive part when the connecting piece with full tab on the electric core is connected, electrically conductive part with full tab butt on the electric core.
On the basis of the scheme, the first connecting area is arranged in a circular structure; the second connecting area is arranged to be of an annular structure, the second connecting area is sleeved on the periphery of the first connecting area, and the circle center of the first connecting area coincides with the circle center of the second connecting area.
On the basis of the scheme, the conductive component comprises a conductive piece, and the conductive piece is arranged into an annular structure; the central through hole of the conductive piece is arranged opposite to the central hole of the battery cell.
On the basis of the scheme, one side, close to the battery cell, of the second connecting area is provided with the conductive component; when the connecting piece is connected with the full tab on the battery cell, the conductive component positioned on the second connecting area is abutted with the full tab on the battery cell.
On the basis of the scheme, the connecting piece is formed by recessing the top end surface of the second connecting area towards the bottom end surface of the second connecting area; the connecting piece is of a linear structure, and one end of the connecting piece extends towards the direction of the first connecting area.
On the basis of the scheme, a plurality of connecting pieces are arranged, and the connecting pieces are distributed along the periphery of the first connecting area.
On the basis of the scheme, a plurality of limiting grooves are uniformly distributed on one side, far away from the collecting disc body, of the connecting part.
A battery comprises the full-tab battery current collecting disc, an electric core and a pole column arranged on the full-tab battery current collecting disc; the pole is positioned on one side of the first connection region away from the conductive component.
Compared with the prior art, the utility model provides a full-tab battery current collecting disc, which comprises a current collecting disc body and a connecting part sleeved on the periphery of the current collecting disc body, wherein a first connecting area and a second connecting area are arranged on the current collecting disc body, a connecting piece for connecting an electric core is arranged on the second connecting area, and a conductive part is arranged on one side, close to the electric core, of the first connecting area; in this device, when connecting piece and the full utmost point ear on the electric core are connected, the conductive part can with the full utmost point ear butt on the electric core, can increase the area of contact of current collecting tray body and the full utmost point ear on the electric core, and then reduce the internal resistance, strengthen electron conduction, improve the overflow ability and the multiplying power performance of battery.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a current collecting plate for a full tab battery according to the present utility model;
FIG. 2 is a cross-sectional view of the current collecting plate of the full tab battery of FIG. 1;
the figure shows: the collecting tray comprises a collecting tray body 1, a first connecting area 11, a second connecting area 12 and a connecting piece 121;
a connection part 2; a conductive member 3;
[ detailed description ] of the utility model
In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In one aspect of the present utility model, referring to fig. 1 and 2, a full-tab battery current collecting plate is provided, and the full-tab battery current collecting plate is used for connecting an electric core and a pole; the full-tab battery current collecting disc comprises a current collecting disc body 1 and a connecting part 2 sleeved on the periphery of the current collecting disc body 1, wherein the current collecting disc body 1 and the connecting part 2 can be integrally pressed; the battery with the current collecting disc is provided, the connecting part 2 can play a fastening and buffering role on the battery core, so that the battery core cannot vibrate due to jolt vibration outside, connection between the current collecting disc of the battery with all lugs on the battery core is guaranteed not to easily fall off, battery diversion is guaranteed, and reliability of the battery is improved.
Specifically, the collecting tray body 1 is provided with a first connection area 11 and a second connection area 12, the first connection area 11 is used for connecting a pole, and the second connection area 12 is provided with a connecting piece 121 for connecting an electric core; the first connection area 11 is configured as a circular structure, the second connection area 12 is configured as an annular structure, the second connection area 12 is sleeved on the periphery of the first connection area 11, and the center of the first connection area 11 coincides with the center of the second connection area 12, which means that the current collecting disc body 1 is configured as a circular structure; it should be noted that the connection between the terminal post and the first connection region 11 and the connection member 121 and the battery cell may be achieved by laser welding.
Specifically, a conductive component 3 is disposed on a side of the first connection area 11, which is close to the electric core, and the conductive component 3 can be used for transmitting electrons; when the connecting piece 121 is connected with the full tab on the battery cell, the conductive part 3 positioned between the current collecting disc body 1 and the battery cell can be abutted with the full tab on the battery cell, so that the contact area between the current collecting disc body 1 and the full tab on the battery cell is increased, the internal resistance is further reduced, the electronic conduction is enhanced, and the overcurrent capacity and the battery rate performance of the battery tab are improved.
According to another embodiment of the utility model, said conductive element 3 comprises a conductive element (not shown) arranged in a ring-shaped configuration; when the conductive member is positioned at one side of the first connection region 11 close to the battery cell, the central through hole of the conductive member is arranged to be opposite to the central hole of the battery cell.
According to another embodiment of the utility model, the side of the second connection area 12, which is close to the battery cell, is also provided with a conductive part 3; when the connecting piece 121 is connected with the full tab on the battery core, the conductive parts 3 on the first connecting area 11 and the second connecting area 12 can be abutted with the full tab on the battery core, so that the contact area between the current collecting disc body 1 and the full tab on the battery core can be further increased.
According to the embodiment of the utility model, specifically, the connecting member 121 is formed by recessing the top end of the second connecting region 12 towards the bottom end surface of the second connecting region 12, the connecting member 121 is integrally arranged in a linear structure, and one end of the connecting member 121 extends towards the direction of the first connecting region 11. Further, a plurality of the connecting members 121 are provided, and the plurality of connecting members 121 are distributed along the outer circumference of the first connecting region 11.
Specifically, a plurality of limiting grooves (not shown) are uniformly distributed on one side, far away from the current collecting disc body 1, of the connecting portion 2, and the limiting grooves are arranged to facilitate the installation of the current collecting disc of the full-tab battery on the battery.
In another aspect of the utility model, a battery is provided, comprising the above-mentioned all-tab battery current collecting plate; the battery also comprises an electric core and a pole column arranged on the full-pole lug battery current collecting disc; wherein the pole is located at a side of the first connection region 11 remote from the conductive member.
In summary, the utility model provides a full tab battery current collecting disc, which comprises a current collecting disc body 1 and a connecting part 2 sleeved on the circumference of the current collecting disc body 1, wherein a first connecting area 11 and a second connecting area 12 are arranged on the current collecting disc body 1, a connecting piece 121 for connecting a battery core is arranged on the second connecting area 12, a conductive part 3 is arranged on one side of the first connecting area 11, which is close to the battery core, and when the connecting piece 121 is connected with the full tab on the battery core, the conductive part 3 can be abutted with the full tab on the battery core so as to increase the contact area of the current collecting disc body 1 and the full tab on the battery core, further reduce internal resistance, strengthen electronic conduction and improve the overcurrent capacity and the battery multiplying power performance of the battery tab.
The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (9)
1. A full utmost point ear battery collector plate for connect electric core and utmost point post, its characterized in that: the full tab battery current collecting disc comprises a current collecting disc body and a connecting part, wherein the connecting part is sleeved on the periphery of the current collecting disc body, a first connecting area and a second connecting area are arranged on the current collecting disc body, the first connecting area is used for connecting the pole, a connecting piece used for connecting the battery cell is arranged on the second connecting area, a conductive part is arranged on one side, close to the battery cell, of the first connecting area, and when the connecting piece is connected with the full tab on the battery cell, the conductive part is in butt joint with the full tab on the battery cell.
2. The full tab battery current collecting tray of claim 1, wherein: the first connecting area is arranged in a circular structure; the second connecting area is arranged to be of an annular structure, the second connecting area is sleeved on the periphery of the first connecting area, and the circle center of the first connecting area coincides with the circle center of the second connecting area.
3. The full tab battery current collecting tray of claim 1, wherein: the conductive component comprises a conductive piece, and the conductive piece is arranged into an annular structure; the central through hole of the conductive piece is arranged opposite to the central hole of the battery cell.
4. The full tab battery current collecting tray of claim 1, wherein: the conductive component is arranged on one side, close to the battery cell, of the second connection area; when the connecting piece is connected with the full tab on the battery cell, the conductive component positioned on the second connecting area is abutted with the full tab on the battery cell.
5. The full tab battery current collecting tray of claim 1, wherein: the connecting piece is formed by recessing the top end surface of the second connecting area towards the bottom end surface of the second connecting area; the connecting piece is of a linear structure, and one end of the connecting piece extends towards the direction of the first connecting area.
6. The full tab battery current collecting tray of claim 1, wherein: the plurality of connectors are provided in plurality and distributed along the periphery of the first connection zone.
7. The full tab battery current collecting tray of claim 1, wherein: and a plurality of limiting grooves are uniformly distributed on one side of the connecting part, which is far away from the collecting disc body.
8. A battery comprising a full tab battery current collecting tray as defined in any one of claims 1 to 7.
9. The battery of claim 8, wherein: the battery also comprises an electric core and a pole column arranged on the full-pole lug battery current collecting disc; the pole is positioned on one side of the first connection region away from the conductive component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360147.2U CN220456600U (en) | 2023-05-31 | 2023-05-31 | Full-tab battery current collecting disc and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360147.2U CN220456600U (en) | 2023-05-31 | 2023-05-31 | Full-tab battery current collecting disc and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456600U true CN220456600U (en) | 2024-02-06 |
Family
ID=89734091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321360147.2U Active CN220456600U (en) | 2023-05-31 | 2023-05-31 | Full-tab battery current collecting disc and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456600U (en) |
-
2023
- 2023-05-31 CN CN202321360147.2U patent/CN220456600U/en active Active
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