CN216145648U

CN216145648U - Continuous grid of horizontal bipolar battery

Info

Publication number: CN216145648U
Application number: CN202121427798.XU
Authority: CN
Inventors: 韩祖孟; 陈含; 张慧
Original assignee: JIANGSU CHILWEE POWER CO Ltd
Current assignee: JIANGSU CHILWEE POWER CO Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-29
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a horizontal bipolar battery continuous grid which comprises a horizontal bipolar battery continuous grid, wherein the horizontal bipolar battery continuous grid is composed of a plurality of bipolar grids, each bipolar grid comprises a positive grid and a negative grid, and a plurality of connecting ribs are fixedly connected between the positive grid and the negative grid. The horizontal bipolar battery continuous grid is prepared into the horizontal bipolar continuous grid with the characteristic mesh structure through a net pulling technology, a continuous casting and rolling net punching technology or a continuous casting technology, the automation degree of the production process of the process is high, the process is mature, large-scale continuous production is facilitated, the production efficiency is improved, energy is saved, the environment is protected, and the continuous grid is good in mechanical strength, convenient for plate coating and forming, more beneficial to plate coating and assembly production of subsequent processes, and capable of ensuring the corrosion resistance of the grid, so that the consistency of the battery and the service life of the battery can be improved, the cost is reduced, and other excellent performances of the horizontal battery can be guaranteed to be not influenced.

Description

Continuous grid of horizontal bipolar battery

Technical Field

The utility model relates to the technical field of storage battery grids, in particular to a continuous grid of a horizontal bipolar battery.

Background

In lead-acid batteries, the active substances of the battery which react with the flow are fixed on a grid-like carrier supported by a lead-based alloy, this grid-like carrier is called a grid, and has two main functions: firstly, support the active material, secondly, conduct electric current, therefore, the grid that electrically conducts well, rational in infrastructure is very important to the performance of battery.

The existing horizontal bipolar battery plate grid adopts the original arrow shaft weaving machine technology to weave the lead wires (warp and weft) into a net in a vertically staggered manner to form the flexible plate grid with a quasi-bipolar structure, and due to the limitation of the arrow shaft weaving machine net weaving technology, the production efficiency of the existing horizontal battery plate grid is very low, and meanwhile, the generated side net cannot be used for producing a plate, so that the waste amount of 5-10% is fixedly occupied, and the product cost is increased.

The flexible grid of a quasi-bipolar structure is woven by vertically interlacing lead wires (warps and wefts) by adopting the original arrow shaft weaving technology, the weaving machine has a bump mark at the intersection when the warps and wefts are woven in a crossed mode, so that the grid is damaged, the corrosion resistance of the lead grid is influenced, the lead wires adopt glass fiber core wires to adsorb acid liquor, lead wires are corroded on two sides in the using process of a battery, the grid deviation and inclination can be easily caused by the adoption of the woven lead grid, the grid cannot be fixed and formed, the lead grid is easily deformed when the grid is collected, rotated and coated, and the quality of a polar plate is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a horizontal bipolar battery continuous grid which has the advantages of high production and processing efficiency, good quality and low cost, and solves the problem that the existing lead mesh flexible grid is easy to deform during net collection, sequence conversion and plate coating and influences the quality of a polar plate.

In order to achieve the purpose, the utility model provides the following technical scheme: a horizontal bipolar battery continuous grid comprises a horizontal bipolar battery continuous grid, wherein the horizontal bipolar battery continuous grid is composed of a plurality of bipolar grids.

The bipolar grid comprises a positive grid and a negative grid, and a plurality of connecting ribs are fixedly connected between the positive grid and the negative grid.

Further, the positive grid and the negative grid respectively comprise a frame, and the frame is composed of two transverse side strips and two vertical side strips.

Furthermore, the inner peripheral wall of the frame is fixedly connected with transverse ribs and longitudinal ribs, and the transverse ribs and the longitudinal ribs are crossed.

Further, the frame of the positive grid is filled with a positive active material, and the frame of the negative grid is filled with a negative active material.

Furthermore, the transverse ribs and the longitudinal ribs are crossed in the frame to form grids, and the horizontal bipolar battery continuous grid is a lead alloy grid.

Furthermore, the left end and the right end of the connecting rib are respectively and fixedly connected with the vertical edge strip of the positive grid and the vertical edge strip of the negative grid.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

the horizontal bipolar battery continuous grid is prepared into the horizontal bipolar continuous grid with the characteristic mesh structure through a net pulling technology, a continuous casting and rolling net punching technology or a continuous casting technology, the automation degree of the production process of the process is high, the process is mature, large-scale continuous production is facilitated, the production efficiency is improved, energy is saved, the environment is protected, and the continuous grid is good in mechanical strength, convenient for plate coating and forming, more beneficial to plate coating and assembly production of subsequent processes, and capable of ensuring the corrosion resistance of the grid, so that the consistency of the battery and the service life of the battery can be improved, the cost is reduced, and other excellent performances of the horizontal battery can be guaranteed to be not influenced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a bipolar grid according to the present invention;

FIG. 3 is an enlarged view of a portion of the area A shown in FIG. 2 according to the present invention.

In the figure: the device comprises a 1 horizontal bipolar battery continuous grid, a 2 horizontal bipolar grid, a 21 positive grid, a 22 negative grid, 23 connecting ribs, 24 frames, 25 transverse ribs, 26 longitudinal ribs and 27 grids.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the continuous grid of the horizontal bipolar battery in the embodiment includes a continuous grid 1 of the horizontal bipolar battery, where the continuous grid 1 of the horizontal bipolar battery is made of a lead alloy material and is prepared by a net-drawing technology, a continuous casting and rolling net-punching technology, or a continuous casting technology, and the continuous grid 1 of the horizontal bipolar battery is composed of a plurality of bipolar grids 2.

The bipolar grid 2 comprises a positive grid 21 and a negative grid 22, a plurality of connecting ribs 23 are fixedly connected between the positive grid 21 and the negative grid 22, the positive grid 21 and the negative grid 22 both comprise frames 24, each frame 24 is composed of two transverse ribs and two vertical ribs, the transverse ribs 25 and the vertical ribs 26 are fixedly connected to the inner peripheral wall of each frame 24, the transverse ribs 25 and the vertical ribs 26 are crossed with each other, positive active materials are filled in the frames 24 of the positive grid 21, negative active materials are filled in the frames 24 of the negative grid 22, the transverse ribs 25 and the vertical ribs 26 of the positive grid 21 or the negative grid 22 serve as supports, the transverse ribs 25 and the vertical ribs 26 are crossed in the frames 24 to form grids 27, and the left end and the right end of each connecting rib 23 are fixedly connected with the vertical ribs of the positive grid 21 and the vertical ribs of the negative grid 22 respectively.

The area of the positive grid 21 is coated with a positive active material to be used as a positive plate, the area of the negative grid 22 is coated with a negative active material to be used as a negative plate, a horizontal bipolar battery continuous polar plate is obtained, and the horizontal bipolar battery continuous polar plate is cut on the middle line position of the transverse strips of the horizontal bipolar battery continuous polar plate through a positioning rolling cutter of a coating line, so that the bipolar polar plate is obtained, and the area of the connecting ribs 23 between the positive active material and the negative active material of the bipolar polar plate has a gap distance of about 10-50 mm.

Referring to fig. 1, the connecting ribs 23 are used for electrical connection and isolation of the positive grid 21 and the negative grid 22 to prevent short circuit, the connecting ribs 23 can ensure that the series connection between the assembled battery cells is directly communicated by the connecting ribs 23, so that the reliable connection of the internal battery cells is realized, the problem of tab welding is avoided, the internal resistance of the battery is low, and high-power discharge and quick charge can be realized.

Referring to fig. 2, transverse ribs 25 and longitudinal ribs 26 may be designed as ribs with equal or different spacing in frame 24, and thus, the areas of grids 27 are not necessarily equal.

The beneficial effects of the above embodiment are as follows:

the horizontal bipolar continuous grid with the characteristic mesh structure is prepared by a net pulling technology, a continuous casting and rolling net punching technology or a continuous casting technology, the automation degree of the production process of the process is high, the process is mature, large-scale continuous production is facilitated, the production efficiency is improved, energy is saved, environment is protected, the mechanical strength of the continuous grid is good, plate coating and forming are facilitated, plate coating and assembly production of the subsequent process are facilitated, meanwhile, the corrosion resistance of the grid can be guaranteed, the consistency of the battery and the service life of the battery can be improved, the cost is reduced, and other excellent performances of the horizontal battery can be guaranteed to be not influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A horizontal bipolar battery continuous grid comprises a horizontal bipolar battery continuous grid (1), and is characterized in that: the horizontal bipolar battery continuous grid (1) is composed of a plurality of bipolar grids (2);

the bipolar grid (2) comprises a positive grid (21) and a negative grid (22), and a plurality of connecting ribs (23) are fixedly connected between the positive grid (21) and the negative grid (22).

2. The continuous grid of a horizontal bipolar battery according to claim 1, wherein: the positive grid (21) and the negative grid (22) both comprise frames (24), and the frames (24) are composed of two transverse side strips and two vertical side strips.

3. The continuous grid of a horizontal bipolar battery according to claim 2, wherein: the inner peripheral wall of the frame (24) is fixedly connected with transverse ribs (25) and longitudinal ribs (26), and the transverse ribs (25) and the longitudinal ribs (26) are crossed with each other.

4. The continuous grid of a horizontal bipolar battery according to claim 2, wherein: the frame (24) of the positive grid (21) is filled with positive active substances, and the frame (24) of the negative grid (22) is filled with negative active substances.

5. The continuous grid of a horizontal bipolar battery according to claim 3, wherein: the transverse ribs (25) and the longitudinal ribs (26) are crossed in the frame (24) to form grids (27), and the horizontal bipolar battery continuous grid (1) is a lead alloy grid.

6. The continuous grid of a horizontal bipolar battery according to claim 2, wherein: the left end and the right end of the connecting rib (23) are respectively fixedly connected with the vertical edge strip of the positive grid (21) and the vertical edge strip of the negative grid (22).