CN219040646U

CN219040646U - Sodium ion cell cover plate

Info

Publication number: CN219040646U
Application number: CN202223432833.4U
Authority: CN
Inventors: 麦秋华; 石小军; 汪云; 唐有根; 孙旦; 王海燕; 杨琳
Original assignee: Shenzhen Guona Technology Co ltd
Current assignee: Shenzhen Guona Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-16
Anticipated expiration: 2032-12-21

Abstract

The utility model belongs to the technical field of sodium ion battery cell cover plates, and provides a sodium ion battery cell cover plate which comprises a cover plate body, and a positive electrode post and a negative electrode post which are arranged on the cover plate body. According to the sodium ion battery cell cover plate, the probability of poor contact between a battery cell of a sodium ion battery and the battery cell cover plate is reduced.

Description

Sodium ion cell cover plate

Technical Field

The utility model relates to the technical field of sodium ion battery cell cover plates, in particular to a sodium ion battery cell cover plate.

Background

Sodium-ion batteries (Sodium-ion batteries) are rechargeable batteries that rely primarily on Sodium ions to move between a positive electrode and a negative electrode to operate, similar to lithium-ion batteries.

In the charging and discharging process of the sodium ion battery, a battery cell cover plate is needed.

The patent with the application number of 202210225120.6 is an utility model patent with the patent name of a sodium ion battery cell aluminum shell cover plate, and discloses a cover plate main body, and a positive pole post and a negative pole post which are arranged on the cover plate main body; the lower end of the positive pole post is provided with a positive pole base, and the positive pole base is fixedly connected with the cover plate main body; the lower end of the negative pole post is provided with a negative pole base, and the negative pole base is fixedly connected with the cover plate main body; a positive electrode rotating sheet is arranged at the joint of the cover plate main body and the positive electrode post; and a negative electrode switching piece is arranged at the joint of the cover plate main body and the negative electrode post. Through design aluminium matter negative pole utmost point post and negative pole change piece, can improve the welding strength of negative pole change piece and negative pole aluminium foil, embody the advantage of sodium ion electricity core in the negative pole foil selection use.

However, in the patent of the utility model, the battery cell cover plate cannot fix the sodium ion battery, so that the position between the sodium ion battery and the battery cell cover plate is easy to change, and the poor contact between the battery cell of the sodium ion battery and the battery cell cover plate is caused, thereby influencing the normal use of the sodium ion battery.

Disclosure of Invention

Aiming at the defects in the prior art, the sodium ion battery cell cover plate provided by the utility model reduces the probability of poor contact between a battery cell of a sodium ion battery and the battery cell cover plate.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a sodium ion battery core apron, includes apron body and sets up anodal utmost point post and negative pole utmost point post on the apron body, fixed mounting has the curb plate on the apron body, is provided with a plurality of spacing subassemblies that are used for restricting sodium ion battery position and remove on the curb plate, and a plurality of spacing subassemblies correspond with anodal utmost point post and negative pole utmost point post respectively.

Further, the limiting component comprises two clamping plates, the two clamping plates are symmetrically arranged on two sides of the positive pole post or the negative pole post, sliding grooves are formed in positions, corresponding to the side plates and the clamping plates, of the side plates, sliding columns are fixedly arranged in the sliding grooves, the clamping plates are sleeved on the sliding columns, springs are sleeved on the sliding columns, one ends of the springs are fixedly connected with the side walls of the sliding grooves, and the other ends of the springs are fixedly connected with the clamping plates.

Further, a clamping block is fixedly arranged on the inner side face of the clamping plate, and an arc-shaped groove is formed in the clamping block.

Further, a plurality of protrusions are uniformly arranged on the side wall of the arc-shaped groove.

Further, a positioning groove is formed in the position, corresponding to the positive electrode post or the negative electrode post, of the side plate.

Further, the side plates are provided with mounting holes.

According to the technical scheme, the beneficial effects of the utility model are as follows: when the battery core of the sodium ion battery is in contact with the positive electrode post or the negative electrode post and is charged and discharged through the positive electrode post or the negative electrode post, the position of the sodium ion battery is limited through the limiting component, so that the situation that the battery core of the sodium ion battery cannot be normally contacted with the positive electrode post or the negative electrode post on the battery core cover plate due to the fact that the position of the sodium ion battery moves is avoided, and the probability of poor contact between the battery core of the sodium ion battery and the cover plate body is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged view of the utility model at a.

Reference numerals:

1-a cover plate body; 2-side plates;

11-positive electrode post; 12-a negative electrode post; 21-a positioning groove; 22-sliding grooves; 23-sliding columns; 24-spring; 25-clamping plates; 26-clamping blocks; 27-an arc-shaped groove; 28-bump; 29-mounting holes.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Referring to fig. 1-2, the sodium ion battery cell cover plate provided in this embodiment includes a cover plate body 1, and a positive electrode post 11 and a negative electrode post 12 disposed on the cover plate body 1, wherein a side plate 2 is fixedly mounted on the cover plate body 1, a plurality of limiting components for limiting the position movement of the sodium ion battery are disposed on the side plate 2, and the plurality of limiting components respectively correspond to the positive electrode post 11 and the negative electrode post 12.

In actual use, when the battery core of the sodium ion battery is in contact with the positive electrode post 11 or the negative electrode post 12 and is charged and discharged through the positive electrode post 11 or the negative electrode post 12, the position of the sodium ion battery is limited through the limiting component, so that the situation that the battery core of the sodium ion battery cannot be normally contacted with the positive electrode post 11 or the negative electrode post 12 on the battery core cover plate due to the movement of the position of the sodium ion battery is avoided, and the probability of poor contact between the battery core of the sodium ion battery and the cover plate body 1 is reduced.

In this embodiment, the limiting component includes two clamping plates 25, the two clamping plates 25 are symmetrically mounted on two sides of the positive electrode pole 11 or the negative electrode pole 12, the positions of the side plates 2 corresponding to the clamping plates 25 are provided with sliding grooves 22, sliding columns 23 are fixedly mounted in the sliding grooves 22, the clamping plates 25 are sleeved on the sliding columns 23, springs 24 are sleeved on the sliding columns 23, one ends of the springs 24 are fixedly connected with side walls of the sliding grooves 22, and the other ends of the springs 24 are fixedly connected with the clamping plates 25.

In actual use, when the battery cell of the sodium ion battery is in contact with the positive electrode post 11 or the negative electrode post 12 and is charged and discharged through the positive electrode post 11 or the negative electrode post 12, the sodium ion battery is placed between the two clamping plates 25, and the position of the sodium ion battery is defined by the two clamping plates 25. The clamping plate 25 can slide along the sliding column 23, so that the position of the clamping plate 25 can be conveniently adjusted. When the sodium ion battery is placed between the two clamping plates 25, the spring 24 is in a stretched state, and the tension of the spring 24 brings the two clamping plates 25 closer to the sodium ion battery in the direction of the sodium ion battery, so that the position of the sodium ion battery is defined.

In this embodiment, a clamping block 26 is fixedly mounted on the inner side surface of the clamping plate 25, and an arc-shaped groove 27 is formed in the clamping block 26. The clamping block 26 is made of rubber material.

In actual use, the arc-shaped groove 27 is matched with the outer diameter of the sodium ion battery, and the clamping of the groove wall of the arc-shaped groove 27 further limits the occurrence of position deviation of the sodium ion battery.

In this embodiment, a plurality of protrusions 28 are uniformly provided on the side wall of the arc-shaped groove 27.

In actual use, the plurality of protrusions 28 are made of a rubber material. The plurality of protrusions 28 are in contact with the outer surface of the sodium-ion battery, and gaps between the plurality of protrusions 28 facilitate heat dissipation from the sodium-ion battery.

In this embodiment, the side plate 2 is provided with a positioning groove 21 at a position corresponding to the positive electrode post 11 or the negative electrode post 12.

In actual use, when the battery core of the sodium ion battery is in contact with the positive electrode post 11 or the negative electrode post 12 and is charged and discharged through the positive electrode post 11 or the negative electrode post 12, the sodium ion battery is placed in the positioning groove 21, and the positioning groove 21 is arranged so that the battery core of the sodium ion battery is aligned with the positive electrode post 11 or the negative electrode post 12.

In this embodiment, the side plate 2 is provided with a mounting hole 29, and the mounting hole 29 is convenient for mounting the side plate 2.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. The utility model provides a sodium ion electricity core apron, includes apron body (1) and sets up positive pole post (11) and negative pole post (12) on apron body (1), its characterized in that: the cover plate is characterized in that a side plate (2) is fixedly arranged on the cover plate body (1), a plurality of limiting components used for limiting the position movement of the sodium ion battery are arranged on the side plate (2), and the limiting components respectively correspond to the positive electrode post (11) and the negative electrode post (12).

2. A sodium ion cell cover as defined in claim 1, wherein: limiting component includes two grip blocks (25), and two grip blocks (25) are installed in the both sides of anodal utmost point post (11) or negative pole utmost point post (12) symmetrically, spout (22) have all been seted up to curb plate (2) and grip block (25) corresponding position, and fixed mounting has slip post (23) in spout (22), and grip block (25) cover is established on slip post (23), and the cover is equipped with spring (24) on slip post (23), and the one end of spring (24) is fixed with the lateral wall of spout (22), the other end and the grip block (25) fixed connection of spring (24).

3. A sodium ion cell cover as defined in claim 2, wherein: the inner side surface of the clamping plate (25) is fixedly provided with a clamping block (26), and the clamping block (26) is provided with an arc-shaped groove (27).

4. A sodium ion cell cover according to claim 3, wherein: a plurality of bulges (28) are uniformly arranged on the side wall of the arc-shaped groove (27).

5. A sodium ion cell cover as defined in claim 1, wherein: and a positioning groove (21) is formed in the position, corresponding to the positive electrode pole (11) or the negative electrode pole (12), of the side plate (2).

6. A sodium ion cell cover as defined in claim 1, wherein: and the side plate (2) is provided with a mounting hole (29).