CN215644901U

CN215644901U - Bipolar storage battery

Info

Publication number: CN215644901U
Application number: CN202120124238.0U
Authority: CN
Inventors: 谭乃云; 严学庆; 钱军; 赵荣兴
Original assignee: JIANGSU OLITER ENERGY TECHNOLOGY CO LTD
Current assignee: JIANGSU OLITER ENERGY TECHNOLOGY CO LTD
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2022-01-25
Anticipated expiration: 2031-01-15

Abstract

The utility model relates to a bipolar storage battery, which comprises a rectangular frame-shaped shell with an open top, wherein a cover plate is arranged at the open position of the shell, a positive electrode joint and a negative electrode joint are arranged on a cover body, the positive electrode joint is connected with a positive electrode plate in the shell, the negative electrode joint is connected with a negative electrode plate in the shell, a plurality of parallel clapboards are arranged in the shell, each clapboard divides an inner cavity of the shell into a plurality of cavities, electrolyte is injected into the cavities, a negative electrode plate group and a positive electrode plate group are alternately arranged in adjacent cavities, each negative electrode plate group/positive electrode plate group consists of a plurality of negative electrode plates/positive electrode plates, the cavities are even, the positive electrode plates and the negative electrode plates are arranged in each cavity in an array manner, the tops of the adjacent negative electrode plates and the positive electrode plates are mutually connected through U-shaped lugs, each U-shaped lug opening faces downwards and spans the tops of the corresponding clapboards, and a plurality of sealing grids with downward openings are arranged on the lower end face of the cover plate, each U-shaped ear is sealed in the corresponding sealing grid through epoxy resin. The battery can reduce the welding in the assembly production link and protect the environment.

Description

Bipolar storage battery

Technical Field

The utility model relates to a bipolar storage battery, and belongs to the technical field of storage batteries.

Background

After the electrode plates are manufactured, the parallel connection and the series connection of the positive electrode plate and the negative electrode plate are realized by adopting a welding or cast-welding mode, so that the lead-acid storage battery with the required capacity and voltage grade is assembled. Lead melting is required in the welding process, and when the lead is connected in series, due to the adoption of an overbridge welding mode, the welding contact area is small, the path is long, the high-current discharge performance of the battery is weak, and the lead throwing amount of the part penetrating through the parallel connection is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bipolar storage battery, which can reduce welding in the assembly production link and protect the environment.

The bipolar storage battery comprises a rectangular frame-shaped shell with an open top, a cover plate is arranged at the open position of the shell, a positive electrode joint and a negative electrode joint are arranged on the cover plate, the positive electrode joint is connected with a positive electrode plate in the shell, the negative electrode joint is connected with a negative electrode plate in the shell, a plurality of parallel partition plates are arranged in the shell, each partition plate divides an inner cavity of the shell into a plurality of chambers, electrolyte is injected into the chambers, a negative electrode plate group and a positive electrode plate group are alternately arranged in adjacent chambers, the negative electrode plate group consists of a plurality of negative electrode plates, the positive electrode plate group consists of a plurality of positive electrode plates, the chambers are even in number, the positive electrode plates and the negative electrode plates are arranged in an array mode in each chamber, the tops of the adjacent negative electrode plates and the positive electrode plates are mutually connected through U-shaped lugs, and each U-shaped lug is opened downwards and strides over the top of the corresponding partition plate, the lower terminal surface of apron is equipped with a plurality of openings decurrent sealed check, and each U type ear is sealed in corresponding sealed check through epoxy respectively.

Furthermore, a plurality of acid injection ports are uniformly distributed on the cover plate, the acid injection ports are coaxial with the corresponding cavities, and the acid injection ports are sealed in the corresponding sealing grids through epoxy resin.

Furthermore, a net pulling grid is arranged in the positive plate and the negative plate.

The utility model has the beneficial effects that:

1. the positive plate and the negative plate are connected through the U-shaped lugs, so that the polar plates have bipolarity, series-parallel connection of the positive plate and the negative plate is not required to be realized in a welding mode after the battery polar plates are finished, the use amount of lead in the welding process is reduced, and the manufacturing cost and the manufacturing time are saved.

2. Simple structure, easily assembly, and in the U type ear passed through epoxy sealed with corresponding sealed check, avoided the not tight condition of sealing between two cavities, sealed effectual, the installation is firm reliable.

Drawings

Figure 1 is a top view of the present invention,

figure 2 is a cross-sectional view taken along line B-B of figure 1,

figure 3 is a top view of a cluster of plates of the present invention,

figure 4 is a top view of figure 3,

fig. 5 is a plate grid diagram of the present invention.

In the figure: 1. casing, 2a, sealed check, 2b, notes sour mouth, 2, apron, 1a, baffle, 3, cavity, 3a, negative plate, 3b, positive plate, 4, U type ear, 5, anodal output, 6, negative pole output.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 to 4, the bipolar secondary battery of the present invention includes a case 1 in a rectangular frame shape with an open top, a cover plate 2 is disposed at the open position of the case 1, and a positive electrode tab 5 and a negative electrode tab 6 are disposed on the cover plate, and is characterized in that: anodal joint 5 links to each other with positive plate 3b in the casing, the negative pole connects to each other with negative plate 3a in the casing, be equipped with the baffle 1a that the multichannel is parallel to each other in the casing, each baffle 1a separates the casing inner chamber for a plurality of cavity 3, electrolyte has been annotated to the cavity, be equipped with negative plate group and positive plate group in turn in the adjacent cavity 3, negative plate group comprises a plurality of negative plate 3a, positive plate group comprises a plurality of positive plate 3b, cavity 3 is the even number, positive plate 3b is the array with negative plate 3a and arranges in each cavity 3, U type ear 4 interconnect is passed through to the top of adjacent negative plate 3a and positive plate 3b, each U type ear opening is downward and strides at the top of corresponding baffle 1a, the lower terminal surface of apron is equipped with the downward seal check 2a of a plurality of openings, each U type ear seals in corresponding seal check 2a through epoxy respectively.

The cover plate is evenly distributed with a plurality of acid injection ports 2b, the acid injection ports 2b are coaxial with the corresponding cavities 3, and the acid injection ports are sealed in the corresponding sealing grids 2a through epoxy resin.

The inside of the positive plate and the inside of the negative plate are provided with a mesh grid.

As shown in fig. 5, grids coated with active materials are provided in the positive and negative plates.

The positive plate and the negative plate are connected through the U-shaped lugs, so that the polar plates have bipolarity, series-parallel connection of the positive plate and the negative plate is not required to be realized in a welding mode after the battery polar plates are finished, the use amount of lead in the welding process is reduced, and the manufacturing cost and the manufacturing time are saved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a bipolar storage battery, includes the open-top casing of rectangle framework shape, the uncovered position of casing is provided with the apron, be provided with positive pole joint and negative pole joint on the apron, its characterized in that: the improved structure of the lithium battery comprises a shell, and is characterized in that an anode connector is connected with an anode plate in the shell, a cathode connector is connected with a cathode plate in the shell, a plurality of parallel partition plates are arranged in the shell, an inner cavity of the shell is divided into a plurality of cavities by each partition plate, electrolyte is injected into the cavities, cathode plate groups and anode plate groups are alternately arranged in adjacent cavities, each cathode plate group consists of a plurality of cathode plates, each anode plate group consists of a plurality of anode plates, the cavities are even, the anode plates and the cathode plates are arranged in each cavity in an array mode, the tops of the adjacent cathode plates and the anode plates are connected with each other through U-shaped lugs, openings of the U-shaped lugs are downward and straddle the tops of the corresponding partition plates, a plurality of sealing grids with downward openings are arranged on the lower end face of the cover plate, and the U-shaped lugs are sealed in the corresponding sealing grids through epoxy resin respectively.

2. The bipolar battery according to claim 1, wherein: the cover plate is evenly provided with a plurality of acid injection ports, the acid injection ports are coaxial with the corresponding cavities, and the acid injection ports are sealed in the corresponding sealing grids through epoxy resin.

3. The bipolar battery according to claim 1, wherein: and the inside of the positive plate and the inside of the negative plate are provided with a mesh grid.