CN211957692U

CN211957692U - Novel button cell

Info

Publication number: CN211957692U
Application number: CN202020150919.XU
Authority: CN
Inventors: 缪汉平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-03
Filing date: 2020-02-03
Publication date: 2020-11-17
Anticipated expiration: 2030-02-03

Abstract

The utility model discloses a novel button cell, including battery case, negative pole lithium piece, the compound pressed powder of foamed aluminum and positive shell, the battery case bottom is equipped with positive shell, battery case side inboard is equipped with the rubber ring, the rubber ring inboard is equipped with the spacing block, the spacing block inboard is equipped with the compound pressed powder of foamed aluminum, the compound pressed powder top of foamed aluminum is equipped with the diaphragm paper, the diaphragm paper top is equipped with the negative pole lithium piece, negative pole lithium piece top supports battery case face end. The utility model provides a compound pressed powder of foamed aluminum adopts the technology of foamed aluminum and anodal powder to combine to make, locates on novel button type lithium cell this process structure, forms a new breakthrough at battery trade manufacturing process, and the circular compound pressed powder of foamed aluminum that this foamed aluminum material and anodal powder were made contacts the back with the positive pole shell, can effectively promote the performance of battery, reinforcing battery instantaneous current output.

Description

Novel button cell

Technical Field

The utility model relates to a button cell designs technical field, specifically is a novel button cell.

Background

Button lithium cell also is called button lithium cell, and the appearance looks like a little button, and compared with the column lithium cell, button lithium cell generally speaking is great in diameter, thickness is thinner. The button lithium battery comprises a columnar button lithium battery, a square button lithium battery and a special-shaped button lithium battery in a shape classification mode. The common button lithium battery is used for batteries on toys and gifts, batteries on computer motherboards, batteries in electronic dictionaries, batteries on electronic watches and the like. In order to meet the normal work of electronic products such as electronic toys, electronic gifts, computer motherboards, electronic dictionaries, electronic watches and the like, the output efficiency of the button cell is required to reach an ideal state, and the power output required by the work of the electronic products can be ensured so as to ensure the normal use of the electronic products. Therefore, a novel button type battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel button cell, it has good electric conductive property, can reduce battery manufacturing cost, improves battery utilization ratio and manufacturing efficiency, is convenient for in order to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel button cell, includes battery case, negative pole lithium piece, the compound pressed powder of foamed aluminum and positive shell, the battery case bottom is equipped with positive shell, battery case side inboard is equipped with the rubber ring, the rubber ring inboard is equipped with the spacer, the spacer inboard is equipped with the compound pressed powder of foamed aluminum, the compound pressed powder top of foamed aluminum is equipped with the diaphragm paper, the diaphragm paper top is equipped with the negative pole lithium piece, negative pole lithium piece top supports battery case face end.

Preferably, a negative electrode cap is embedded between the battery shell and the negative electrode lithium piece, and a protruding clamping block is arranged on the edge of the negative electrode cap.

Preferably, the inner side of the rubber ring is provided with a groove, and the protruding clamping block is clamped in the groove.

Preferably, a gap is arranged between the rubber ring and the isolating sheet.

Preferably, a plurality of convex ribs are uniformly arranged on the surface of the foamed aluminum composite pressed powder, and concave blocks are formed on the convex ribs and the surface end of the foamed aluminum composite pressed powder.

Preferably, the bottom end of the isolating piece is provided with a clamping groove, and the clamping groove and the bottom of the outer end of the foamed aluminum composite powder cake are fixedly connected with the foamed aluminum composite powder cake.

Compared with the prior art, the beneficial effects of the utility model are that: the foamed aluminum composite powder cake in the utility model is manufactured by combining the processes of foamed aluminum and anode powder, the process structure is arranged on the novel button type lithium battery, a new breakthrough is formed in the manufacturing process of the battery industry, the foamed aluminum powder cake is manufactured in a three-dimensional mode, the foamed aluminum powder cake is very suitable for split current collection of the battery, and meanwhile, the aluminum material has lower resistance value and good conductivity, and the split connection current collection effect of the anode can be improved; after the round foamed aluminum composite powder cake made of the foamed aluminum material and the anode powder is contacted with the anode shell, the performance of the battery can be effectively improved, the instantaneous current output power of the battery is enhanced, and the power supply efficiency of the battery to electric equipment is improved.

Drawings

Fig. 1 is a schematic structural view of a novel button cell of the present invention;

fig. 2 is a schematic structural diagram of a region a of the novel button cell of the present invention;

fig. 3 is a schematic structural diagram of a B region of a novel button cell of the present invention;

fig. 4 is a schematic structural diagram of the foamed aluminum composite pressed powder of the novel button cell of the present invention.

In the figure: 1-battery shell, 2-negative electrode lithium sheet, 3-diaphragm paper, 4-foamed aluminum composite powder cake, 41-convex edge, 42-concave block, 5-rubber ring, 51-groove, 6-positive electrode shell, 7-spacing sheet, 8-negative electrode cap and 81-convex clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, a novel button cell includes a cell casing 1, a negative electrode lithium plate 2, a foamed aluminum composite powder cake 4 and a positive electrode shell 6, the bottom of the cell casing 1 is provided with the positive electrode shell 6, the inner side of the cell casing 1 is provided with a rubber ring 5, the inner side of the rubber ring 5 is provided with a spacer 7, the inner side of the spacer 7 is provided with the foamed aluminum composite powder cake 4, the top of the foamed aluminum composite powder cake 4 is provided with a diaphragm paper 3, the top of the diaphragm paper 3 is provided with the negative electrode lithium plate 2, and the top of the negative electrode lithium plate 2 abuts against the surface.

A negative electrode cap 8 is embedded between the battery shell 1 and the negative electrode lithium sheet 2, and a raised clamping block 81 is arranged at the edge of the negative electrode cap 8; a groove 51 is formed in the inner side of the rubber ring 5, the protruding fixture block 81 is clamped in the groove 51, the groove 51 is clamped and fixed with the protruding fixture block 81, the rubber ring 5 can fix the negative electrode cap 8, and the negative electrode cap 8 can fix the negative electrode lithium sheet 2 in the surface end of the battery shell 1, so that the displacement of the negative electrode lithium sheet is avoided; a gap is formed between the rubber ring 5 and the spacer 7, so that the heat dissipation treatment on the interior of the battery is facilitated; the surface of the foamed aluminum composite pressed powder 4 is uniformly provided with a plurality of convex ribs 41, the convex ribs 41 and the surface end of the foamed aluminum composite pressed powder 4 form concave blocks 42, and the foamed aluminum composite pressed powder 4 is a three-dimensional net-shaped structure body manufactured by combining the processes of foamed aluminum and anode powder, has better connection strength and has good conductive effect; the bottom end of the isolating piece 7 is provided with a clamping groove, the clamping groove and the bottom of the outer end of the foamed aluminum composite powder cake 4 are fixedly connected with the foamed aluminum composite powder cake 4, and the isolating piece 7 is convenient to clamp and fix the foamed aluminum composite powder cake 4.

The working principle is as follows: use the utility model relates to a novel during button cell, negative pole lithium piece 3 forms the generating circuit with the compound pressed powder 4 of circular foaming aluminium that foaming aluminium material and anodal powder were made, circular foaming aluminium compound pressed powder 4 and the positive polar shell 6 back of contacting, can effectively promote the performance of battery, reinforcing battery electric current output in the twinkling of an eye, the inside material of foaming aluminium is three-dimensional network structure, it has better joint strength, traditional battery preparation powder mode has also been broken, the addition of reducible conductor and binder can improve the active material of anodal powder between the suitable conductor principle effect. The positive powder has obviously improved conductivity, specific capacity, load resistance and other aspects, excellent high-current discharge performance and special applicability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel button cell, includes battery case (1), negative pole lithium piece (2), the compound pressed powder of foamed aluminum (4) and positive shell (6), its characterized in that, battery case (1) bottom is equipped with positive shell (6), battery case (1) side inboard is equipped with rubber ring (5), rubber ring (5) inboard is equipped with spacer (7), spacer (7) inboard is equipped with the compound pressed powder of foamed aluminum (4), the compound pressed powder of foamed aluminum (4) top is equipped with diaphragm paper (3), diaphragm paper (3) top is equipped with negative pole lithium piece (2), negative pole lithium piece (2) top supports battery case (1) face end.

2. The novel button cell as claimed in claim 1, wherein a negative cap (8) is embedded between the cell casing (1) and the negative lithium plate (2), and the edge of the negative cap (8) is provided with a protruding fixture block (81).

3. A novel button cell battery according to claim 1 or 2, characterized in that the rubber ring (5) is provided with a groove (51) at the inner side, and the protruding block (81) is blocked in the groove (51).

4. A new button cell battery according to claim 1, characterized in that there is a gap between the rubber ring (5) and the spacer (7).

5. The novel button cell as claimed in claim 1, wherein the surface of the foamed aluminum composite pressed powder (4) is uniformly provided with a plurality of raised ribs (41), and the raised ribs (41) and the surface end of the foamed aluminum composite pressed powder (4) form concave blocks (42).

6. The novel button cell as claimed in claim 1, wherein a groove is formed at the bottom end of the spacer (7), and the groove is fixedly connected with the foamed aluminum composite powder cake (4) at the bottom of the outer end of the foamed aluminum composite powder cake (4).