CN209993677U - Alkaline zinc-manganese battery - Google Patents

Abstract

The utility model relates to an alkaline zinc-manganese dioxide battery, the battery includes a casing, contain anodal ring and negative pole calamine cream in the casing, separate through the diaphragm between the two, anodal ring cover is established outside the diaphragm, anodal ring bottom is equipped with the gasket, the casing top is equipped with the negative pole lid, be equipped with the copper needle that inserts in the negative pole calamine cream on the negative pole lid. The utility model discloses reducing alkaline zinc-manganese dioxide battery anode and cathode material content, reducing battery cost, making under the lightweight prerequisite of battery, through increasing the gasket in battery anode ring bottom, raised the position of anode ring and negative pole calamine cream, make the two more be close to the negative pole end, and then increased the area of contact of copper needle with the negative pole calamine cream, promoted the mass flow effect, can improve more than 10% of battery discharge performance on the same scale, good economic benefits and application prospect have.

Description

Alkaline zinc-manganese battery

Technical Field

The utility model relates to a battery preparation field, concretely relates to basicity zinc-manganese dioxide battery.

Background

The alkaline zinc-manganese battery is prepared by taking zinc as a negative electrode, manganese dioxide as a positive electrode and potassium hydroxide as an electrolyte and adopting a reverse electrode structure. At present, the alkaline zinc-manganese battery has mature technology and diversified market demands, and in the field of low current demands, the cost of the battery needs to be reduced, and the battery is lightened.

In the existing alkaline zinc-manganese battery, the anode is a ring-shaped substance (anode ring) containing manganese dioxide, graphite and alkaline electrolyte, the cathode is a paste-shaped substance (cathode zinc paste) containing zinc powder, alkaline electrolyte and binder, a diaphragm, generally diaphragm paper, is arranged between the anode ring and the cathode zinc paste, and a copper needle inserted into the cathode zinc paste is arranged on a cathode cover, wherein the copper needle is used for leading out the electric current collection in the cathode zinc paste.

In the actual production process, the purposes of reducing the weight of the battery and reducing the cost are generally achieved by reducing the weight of the positive electrode material and the negative electrode material (reducing the weight of the positive electrode ring and the negative electrode zinc paste), as shown in fig. 1. However, the positions of the positive electrode ring and the negative electrode zinc paste are moved downwards after being reduced, so that the volume of the copper needle inserted into the negative electrode zinc paste is reduced, the contact area of the copper needle and the negative electrode zinc paste is reduced, the negative electrode current collecting effect is poor, and the discharge performance of the battery is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the problem that exists among the prior art, the utility model provides an alkaline zinc-manganese dioxide battery under the prerequisite that reduces positive negative pole material, through increase the gasket bottom anodal ring and negative pole calamine cream, has increased the area of contact of copper needle with the negative pole calamine cream, has promoted the mass flow effect of battery, and then has improved the discharge performance of battery greatly.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an alkaline zinc-manganese dioxide battery, the battery includes a casing, contain anodal ring and negative pole calamine cream in the casing, separate through the diaphragm between the two, anodal ring cover is established outside the diaphragm, anodal ring bottom is equipped with the gasket, the casing top is equipped with the negative pole lid, be equipped with the copper needle that inserts in the negative pole calamine cream on the negative pole lid.

Preferably, a sealing ring is arranged between the negative electrode cover and the shell.

Preferably, the positive electrode ring and the bottom of the diaphragm are parallel.

Preferably, the positive electrode ring is a ring-shaped substance containing manganese dioxide, graphite and KOH electrolyte.

Preferably, the negative electrode zinc paste is a paste substance containing zinc powder, KOH electrolyte and a binder.

Preferably, the separator is a separator paper.

Preferably, the housing is a nickel plated steel shell.

Preferably, the gasket is a plastic piece.

Preferably, the gasket is PP and or nylon.

Preferably, the gasket is of a hollow structure.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the utility model discloses reducing alkaline zinc-manganese dioxide battery positive negative pole material content, reducing battery cost, making under the lightweight prerequisite of battery, through increasing the gasket bottom the battery anodal ring, raised the position of anodal ring and negative pole calamine cream, make the two more be close to the negative pole end, and then increased the area of contact of copper needle with the negative pole calamine cream, promoted the mass flow effect, can improve more than 10% of battery discharge performance on year-on-year basis, have good economic benefits and application prospect.

Drawings

FIG. 1 is a schematic diagram of the internal structure of an alkaline zinc-manganese dioxide battery with reduced cathode and anode materials;

fig. 2 is a schematic structural diagram of an alkaline zinc-manganese dioxide battery provided in embodiment 1 of the present invention;

in the figure: 1-positive ring, 2-negative calamine cream, 3-diaphragm, 4-gasket, 5-negative cover, 6-sealing ring, 7-copper needle.

The present invention will be described in further detail below. However, the following examples are only simple examples of the present invention, and do not represent or limit the scope of the present invention, which is defined by the appended claims.

Detailed Description

The technical solution of the present invention will be further explained by the following embodiments.

The utility model provides an alkaline zinc-manganese dioxide battery in the embodiment part, the battery includes a casing, contain positive polar ring and negative pole calamine cream in the casing, separate through the diaphragm between the two, the positive polar ring cover is established outside the diaphragm, the positive polar ring bottom is equipped with the gasket, the casing top is equipped with the negative pole lid, be equipped with the copper needle that inserts in the negative pole calamine cream on the negative pole lid.

Preferably, a sealing ring is arranged between the negative electrode cover and the shell, and the sealing ring and the negative electrode cover together form a sealing member with the shell.

Preferably, the utility model discloses well anodal ring and diaphragm bottom remain flush.

Preferably, the positive electrode ring is a ring-shaped substance containing manganese dioxide, graphite and KOH electrolyte; the negative electrode zinc paste is a paste substance containing zinc powder, KOH electrolyte and a binder; the diaphragm is diaphragm paper; the shell is a nickel-plated steel shell.

Preferably, the gasket of the present invention is a plastic (non-metal) gasket, preferably, PP and/or nylon material is used for the gasket; further, the gasket can be hollow out construction (the fretwork mode is not limited) to reduce gasket self quantity, increased the inside air chamber of casing simultaneously, can also effectively reduce the weight of battery.

Compare (as shown in fig. 1) with the battery that reduces same positive negative pole material content, the utility model discloses after alkaline zinc-manganese dioxide battery's bottom set up the gasket, positive polar ring and negative pole calamine cream all are more close to the negative pole end, make the copper needle fully contact calamine cream, and the mass flow is effectual, and discharge time increases to reduce diaphragm quantity and copper needle quantity, reduce product cost. In addition, the use amount of the anode and cathode materials can be adjusted according to the height of the gasket, and batteries with different capacities can be manufactured according to the requirements of customers.

To better illustrate the present invention, facilitating the understanding of the technical solutions of the present invention, the typical but non-limiting embodiments of the present invention are as follows:

example 1

The embodiment provides an alkaline zinc-manganese dioxide battery, as shown in fig. 2, alkaline zinc-manganese dioxide battery includes a casing, contain anodal ring 1 and negative pole calamine cream 2 in the casing, separate through diaphragm 3 between the two, anodal ring 1 cover is established outside diaphragm 2, anodal ring 1 bottom is equipped with gasket 4, the casing top is equipped with negative pole lid 5, be equipped with the copper needle 7 that inserts in the negative pole calamine cream on the negative pole lid.

Further, a sealing ring 6 is arranged between the negative electrode cover 5 and the shell, and the bottom of the positive electrode ring 1 is parallel to the bottom of the diaphragm 3.

Further, the positive ring is an annular substance containing manganese dioxide, graphite and KOH electrolyte, the negative calamine cream is a paste substance containing zinc powder, KOH electrolyte and a binder, the diaphragm is diaphragm paper, and the shell is a nickel-plated steel shell.

Furthermore, the gasket is a plastic part made of PP and has a hollow structure.

The applicant states that the present invention is described by the above embodiments, but the present invention is not limited to the above detailed structural features, i.e. the present invention can be implemented only by relying on the above detailed structural features. It should be understood by those skilled in the art that any modifications to the present invention, such as equivalent replacement of selected parts, addition of auxiliary parts, selection of specific modes, etc., all fall within the scope of protection and disclosure of the present invention.

The above detailed description describes the preferred embodiments of the present invention, however, the present invention is not limited to the specific details of the above embodiments, and the technical concept of the present invention can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (8)

1. The alkaline zinc-manganese dioxide battery is characterized by comprising a shell, wherein a positive ring and a negative calamine cream are contained in the shell, the positive ring and the negative calamine cream are separated by a diaphragm, the positive ring is sleeved outside the diaphragm, a gasket is arranged at the bottom of the positive ring, a negative cover is arranged at the top of the shell, and a copper needle inserted into the negative calamine cream is arranged on the negative cover.

2. The alkaline zinc-manganese dioxide cell of claim 1, wherein a seal is disposed between said negative cover and said housing.

3. The alkaline zinc-manganese dioxide cell of claim 1, wherein said positive electrode ring is parallel to the bottom of the separator.

4. The alkaline zinc-manganese dioxide cell of claim 1, wherein said separator is a separator paper.

5. The alkaline zinc-manganese dioxide cell of claim 1, wherein said housing is a nickel plated steel can.

6. The alkaline zinc-manganese dioxide cell of claim 1, wherein said gasket is a plastic part.

7. The alkaline zinc-manganese dioxide cell of claim 1, wherein said gasket is PP or nylon.

8. The alkaline zinc-manganese dioxide cell of claim 1, wherein said gasket is a hollow structure.

Images