CN218769609U

CN218769609U - Positive plate structure of sodium-manganese button cell

Info

Publication number: CN218769609U
Application number: CN202222846631.8U
Authority: CN
Inventors: 叶义军
Original assignee: Shenzhen Shenneng Battery Technology Co ltd
Current assignee: Shenzhen Shenneng Battery Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-28
Anticipated expiration: 2032-10-27

Abstract

The utility model belongs to the technical field of batteries, in particular to a positive plate structure of a sodium-manganese button cell, which comprises a positive plate body; the positive plate body is provided with a contact surface, and the contact surface is provided with a bulge used for being in contact with the positive shell. Adopt the utility model discloses technical scheme, positive plate body is electrically conductive through protruding and positive pole shell contact, and debris between avoiding contact surface and the positive pole shell influence the electrically conductive of battery piece and positive pole shell.

Description

Positive plate structure of sodium-manganese button cell

Technical Field

The utility model relates to the technical field of batteries, in particular to sodium manganese button cell's positive plate structure.

Background

The traditional button cell positive plate and the positive shell are in plane contact and conductive, and if the radian of two planes has a difference or the precision of the positive plate has a problem in the production process, the positive plate can be produced in a gap, so that poor contact is caused, and the discharge performance of the cell is influenced by the large and small output current.

When impurities, such as dust, powder and the like, appear between the two planes of the positive plate and the positive shell of the battery, the conductivity can be affected.

The positive plate and the positive shell of the two planes can be locally deformed during production and processing such as welding feet or welding wires, so that the phenomena of performance deterioration such as voltage jump or current reduction exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a positive plate structure of a sodium-manganese button cell.

In order to solve the technical problem, the utility model discloses a technical scheme does: a positive plate structure of a sodium-manganese button cell comprises a positive plate body; the positive plate body is provided with a contact surface, and the contact surface is provided with a bulge for contacting with the positive shell.

Optionally, the protrusion is an annular protrusion. Optionally, the annular protrusion and the contact surface form a containing groove; the containing groove is internally provided with electrolyte.

Optionally, a hole is formed in the accommodating groove.

The positive plate structure of the sodium-manganese button cell provided by the invention has the following advantages:

1. the internal resistance of the battery is reduced. 2. The consistency of the output current of the battery is better. 3. The current collection capability is strong, so that the battery can meet the scenes of instantaneous high power requirements, such as remote controllers, wireless starting and the like. Such as an infrared wireless remote control or a small alarm horn, a high power light scene. 4. The battery reduces loss when being assembled, the annular protrusion is sleeved to prevent diffusion, loss is reduced, work efficiency is improved, design of automatic equipment can be achieved, and unmanned intelligent work is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without inventive exercise.

Figure 1 is the structure schematic diagram of the positive plate structure of the sodium-manganese button cell of the utility model.

In the figure, 10 is the positive plate body, 11 is the contact surface, 12 is the bulge, 13 is the accommodating groove, and 14 is the electrolyte.

Detailed Description

The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "thickness", "up and down, front and back, left and right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a defined feature of "first", "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media profiles, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to explain the technical means of the present invention, the following description will be given by way of specific examples.

As shown in fig. 1, in an embodiment of the present invention, a positive plate structure of a sodium manganese button cell battery is provided, which includes a positive plate body 10; the positive electrode sheet body 10 has a contact face 11, and the contact face 11 is provided with a projection 12 for contact with the positive electrode can.

Specifically, the utility model discloses sodium manganese button cell's positive plate structure is when using, and the positive plate is electrically conductive through protruding 12 and positive plate shell contact, avoids the debris between contact surface 11 and the positive plate shell to influence the electrically conductive of battery piece and positive plate shell.

In the present embodiment, the projection 12 is an annular projection 12. When the conductive anode plate is used, the annular bulge 12 can be in contact conduction with the anode shell at 360 degrees without dead angles, and the conductive output performance is not influenced by the radian difference of planes between the anode shell and the anode plate or the precision of the anode plate. In addition, the problem that local parts of two planes are likely to deform during production and processing such as welding feet or welding wires, so that the performance of voltage jump or current reduction is poor is solved, the problem is solved by the design of the annular bulge 12, and the conduction is not influenced as long as the annular bulge 12 is contacted no matter how the positive shell deforms, so that the current and the voltage are stable.

In the present embodiment, the annular protrusion 12 and the contact surface 11 form an accommodating groove 13; the electrolyte solution 14 is provided in the accommodation tank 13. Specifically, add the positive polar cap above the annular bulge 12, can better contact electrically conductively, fill up electrolyte 14 in the storage tank 13, make electrolyte 14 more stable, be difficult to volatilize, during electrolyte 14 slowly got into the metal manganese piece in the positive plate body 10 through countless hole points in the middle of the storage tank 13, the electric current of production was bigger more stable.

1. the internal resistance of the battery is reduced. 2. The consistency of the output current of the battery is better. 3. The current collection capability is strong, so that the battery can meet the scenes of instantaneous high power requirements, such as remote controllers, wireless starting and the like. Such as an infrared wireless remote control or a small alarm horn, a high power light scene. 4. The battery reduces loss when being assembled, the annular bulge 12 is sleeved to prevent diffusion, loss is reduced, work efficiency is improved, design of automatic equipment can be realized, and unmanned intelligent work is facilitated.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A positive plate structure of a sodium-manganese button cell is characterized by comprising a positive plate body;

the positive plate body is provided with a contact surface, and the contact surface is provided with a bulge for contacting with the positive shell;

the protrusion is an annular protrusion.

2. The positive plate structure of the sodium-manganese button cell battery as claimed in claim 1, wherein the annular protrusion and the contact surface form a receiving groove; electrolyte is arranged in the accommodating groove.

3. The positive plate structure of the sodium-manganese button cell as claimed in claim 2, wherein the containing groove is provided with holes.