High-power lead-acid battery wrapping plate structure

Abstract

The utility model discloses a high-power lead-acid battery wrapping plate structure which comprises three positive plates and a negative plate, a U-shaped partition plate is arranged on the outer surface of each positive plate, a protective coating is arranged on the surface of each U-shaped partition plate and comprises a chlorosulfonated polyethylene coating and a polyvinyl chloride coating, the number of the positive plates is three, and the number of the negative plates is three. The number of the negative plates is four, a base plate is arranged on the outer side of the negative plate located on the outermost side, and the base plate comprises a chlorinated rubber layer and a rock wool layer. According to the lithium ion battery, the U-shaped partition plate is arranged and can completely wrap the positive plate, so that the second tab and the positive plate can be effectively separated, the protective coating is arranged and comprises the polyvinyl chloride coating which can improve the overall flame retardance of the U-shaped partition plate, and the chlorosulfonated polyethylene coating can improve the overall corrosion resistance of the U-shaped partition plate; therefore, the service life and the use safety of the U-shaped partition plate are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid batteries, in particular to a high-power lead-acid battery package plate structure. Background Art

[0002] In the production process of semi-finished lead-acid batteries, in order to prevent the positive and negative plates from contacting each other and causing internal short circuits in the battery, to prevent the plates from deforming and causing the active substances to fall off, to reserve necessary electrolytes, to provide oxygen circulation channels, etc., it is necessary to wrap the positive and negative plates. However, the existing wrapping structure cannot completely separate the positive and negative plates, and the overall corrosion resistance is poor, thereby reducing its safety and service life. For this reason, we propose a high-power lead-acid battery wrapping structure. Utility Model Content

[0003] The purpose of the utility model is to provide a high-power lead-acid battery pack plate structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-power lead-acid battery pack plate structure, including a positive plate and a negative plate, the outer surface of the positive plate is provided with a U-shaped partition, the surface of the U-shaped partition is provided with a protective coating, and the protective coating includes a chlorosulfonated polyethylene coating and a polyvinyl chloride coating.

[0005] Preferably, the number of the positive electrode plates is three, and the number of the negative electrode plates is four.

[0006] Preferably, a backing plate is arranged on the outer side of the outermost negative electrode plate, and the backing plate includes a chlorinated rubber layer and a rock wool layer.

[0007] Preferably, the chlorosulfonated polyethylene coating is coated on the surface of the U-shaped partition, and the polyvinyl chloride coating is coated on the other side of the chlorosulfonated polyethylene coating.

[0008] Preferably, the chlorosulfonated polyethylene coating and the polyvinyl chloride coating have the same thickness, and the chlorinated rubber layer and the rock wool layer have the same thickness.

[0009] Preferably, a first pole lug is disposed at the front end of the top of the positive electrode plate, and a second pole lug is disposed at the rear end of the top of the negative electrode plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with a U-shaped partition, which can completely cover the positive electrode plate, so as to effectively separate the second electrode ear and the positive electrode plate, and is provided with a protective coating, wherein the polyvinyl chloride coating included can improve the overall flame retardancy of the U-shaped partition, and the chlorosulfonated polyethylene coating can improve the overall corrosion resistance of the U-shaped partition, thereby improving the service life and safety of the U-shaped partition.

[0012] 2. The utility model is provided with a chlorinated rubber layer and a rock wool layer, which ensures that the pad has elasticity and flame retardancy, thereby increasing the service life of the pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the pad of the utility model;

[0015] Figure 3 This is a schematic diagram of the protective coating structure of the utility model.

[0016] In the figure: positive electrode plate 1, second electrode ear 2, U-shaped separator 3, backing plate 4, chlorinated rubber layer 41, rock wool layer 42, negative electrode plate 5, first electrode ear 6, protective coating 7, chlorosulfonated polyethylene coating 71, polyvinyl chloride coating 72. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0019] The positive electrode plate 1, second electrode tab 2, U-shaped separator 3, backing plate 4, chlorinated rubber layer 41, rock wool layer 42, negative electrode plate 5, first electrode tab 6, protective coating 7, chlorosulfonated polyethylene coating 71 and polyvinyl chloride coating 72 components of the present application are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0020] See also Figure 1-Figure 3 A high-power lead-acid battery pack structure includes a positive plate 1 and a negative plate 5. A U-shaped separator 3 is arranged on the outer surface of the positive plate 1. The U-shaped separator 3 is made of glass fiber and can completely cover the positive plate 1, thereby effectively separating the second pole ear 2 and the positive plate 1. A protective coating 7 is arranged on the surface of the U-shaped separator 3, and the protective coating 7 includes a chlorosulfonated polyethylene coating 71 and a polyvinyl chloride coating 72. The polyvinyl chloride coating 72 can improve the overall flame retardancy of the U-shaped separator 3, and the chlorosulfonated polyethylene coating 71 can improve the overall corrosion resistance of the U-shaped separator 3, thereby improving the service life and safety of the U-shaped separator 3.

[0021] There are three positive plates 1 and four negative plates 5. The outermost negative plate 5 is provided with a pad 4 on its outer side. The pad 4 is made of glass fiber or glass wool, and includes a chlorinated rubber layer 41 and a rock wool layer 42. While ensuring that the pad 4 has elasticity, it also has flame retardancy, thereby improving the service life of the pad 4. A chlorosulfonated polyethylene coating 71 is applied on the surface of the U-shaped partition 3, and a polyvinyl chloride coating 72 is applied on the other side of the chlorosulfonated polyethylene coating 71. The chlorosulfonated polyethylene coating 71 and the polyvinyl chloride coating 72 have the same thickness, and the chlorinated rubber layer 41 and the rock wool layer 42 have the same thickness. A first pole ear 6 is provided at the front end of the top of the positive plate 1, and a second pole ear 2 is provided at the rear end of the top of the negative plate 5.

[0022] When in use, a U-shaped partition 3 is provided to completely cover the positive electrode plate 1, thereby effectively separating the second electrode ear 2 and the positive electrode plate 1; a protective coating 7 is provided, which includes a polyvinyl chloride coating 72 to improve the overall flame retardancy of the U-shaped partition 3; a chlorosulfonated polyethylene coating 71 to improve the overall corrosion resistance of the U-shaped partition 3, thereby improving the service life and safety of use of the U-shaped partition 3; a chlorinated rubber layer 41 and a rock wool layer 42 are provided to ensure that the pad 4 has elasticity while also having flame retardancy, thereby improving the service life of the pad 4.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-power lead-acid battery pack structure, comprising a positive plate (1) and a negative plate (5), characterized in that: The outer surface of the positive electrode plate (1) is provided with a U-shaped separator (3), the surface of the U-shaped separator (3) is provided with a protective coating (7), and the protective coating (7) comprises a chlorosulfonated polyethylene coating (71) and a polyvinyl chloride coating (72).

2. A high-power lead-acid battery pack structure according to claim 1, characterized in that: The number of the positive electrode plates (1) is three, and the number of the negative electrode plates (5) is four.

3. A high-power lead-acid battery pack structure according to claim 2, characterized in that: A backing plate (4) is arranged on the outermost negative electrode plate (5), and the backing plate (4) comprises a chlorinated rubber layer (41) and a rock wool layer (42).

4. The high-power lead-acid battery pack structure according to claim 1, characterized in that: The chlorosulfonated polyethylene coating (71) is coated on the surface of the U-shaped partition (3), and the polyvinyl chloride coating (72) is coated on the other side of the chlorosulfonated polyethylene coating (71).

5. The high-power lead-acid battery pack structure according to claim 3, characterized in that: The chlorosulfonated polyethylene coating (71) and the polyvinyl chloride coating (72) have the same thickness, and the chlorinated rubber layer (41) and the rock wool layer (42) have the same thickness.

6. A high-power lead-acid battery pack structure according to claim 1, characterized in that: A first pole lug (6) is arranged at the front end of the top of the positive electrode plate (1), and a second pole lug (2) is arranged at the rear end of the top of the negative electrode plate (5).

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