Puncture-proof partition plate for battery

Abstract

Transverse ribs and vertical ribs are arranged in a plate frame, latticed reinforcing ribs are formed by the transverse ribs and the vertical ribs, an inner-layer glass fiber plate is arranged on each of two sides of each reinforcing rib, a base plate is arranged on the outer side of each inner-layer glass fiber plate, an outer-layer glass fiber plate is arranged on the outer side of each base plate, a stab-proof panel is arranged on the outer side of each outer-layer glass fiber plate, and the stab-proof panel is arranged on the outer side of each outer-layer glass fiber plate. Four edges of the inner-layer glass fiber plate, the base plate, the outer-layer glass fiber plate and the puncture-proof panel are fixedly connected with the plate frame; protruding blocks are arranged on the inner side of the inner-layer glass fiber plate in an array mode. By means of the composite structure design, high strength, high rigidity and high puncture resistance of the partition plate are achieved. Meanwhile, the overall rigidity and puncture resistance of the partition plate are further enhanced through the design of the protruding blocks, and in addition, the chemical stability and wear resistance of the partition plate are guaranteed through material selection of the base plate and the puncture-proof face plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery separator, specifically, relate to a battery is prevented to pierce the separator. BACKGROUND

[0002] In the battery structure, the separator is placed between the positive and negative key components, the main function is to prevent short circuit of the battery, while allowing ion flow. The performance of the separator material directly affects the life, safety and energy density of the battery. Especially in lithium ion batteries, the importance of the separator is more prominent, because lithium batteries may cause combustion or explosion under abnormal conditions such as overcharge, overheating or physical damage.

[0003] The traditional battery separator is usually made of polypropylene (PP) or polyethylene (PE) polyolefin materials, but under extreme conditions, the separator of these materials may melt or break, causing short circuit of the battery, and even causing safety accidents. SUMMARY

[0004] The utility model is just based on the above technical problem, proposes a battery is prevented to pierce the separator.

[0005] A battery is prevented to pierce the separator, including: board frame, reinforcing rib, inner layer glass fiber plate, base plate, outer layer glass fiber plate, anti-puncture panel, the board frame is equipped with horizontal rib and vertical rib in, the horizontal rib and vertical rib form the reinforcing rib of grid shape, both sides of the reinforcing rib are equipped with an inner layer glass fiber plate, the outer side of the inner layer glass fiber plate is equipped with base plate, the outer side of the base plate is equipped with outer layer glass fiber plate, the outer side of the outer layer glass fiber plate is equipped with anti-puncture panel, the four edges of the inner layer glass fiber plate, the base plate, the outer layer glass fiber plate, the anti-puncture panel are connected with the board frame and are fixed;The inner side of the inner layer glass fiber plate is equipped with the convex block of array arrangement.

[0006] Preferably, the inner layer glass fiber plate is provided with horizontal groove and vertical groove, the horizontal groove corresponds to the horizontal rib one by one, the vertical groove corresponds to the vertical rib one by one, the horizontal groove and the vertical groove are the convex block between.

[0007] Preferably, the horizontal groove and the vertical groove on the two inner layer glass fiber plates are combined and aligned to form horizontal holes and vertical holes matched with the horizontal rib and the vertical rib.

[0008] Preferably, the base plate is made of high molecular material.

[0009] Preferably, the anti-puncture panel is made of high molecular polyethylene fiber.

[0010] Beneficial effects: the device realizes high strength, high rigidity and high puncture resistance of the partition plate through the composite structure design of the plate frame, the reinforcing rib, the inner layer glass fiber plate, the base plate, the outer layer glass fiber plate and the anti-puncture panel. Meanwhile, the design of the convex block further enhances the overall rigidity and puncture resistance of the partition plate. In addition, the material selection of the base plate and the anti-puncture panel also ensures the chemical stability and wear resistance of the partition plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 An exploded view of the structure of the utility model is shown.

[0012] Fig. 2 A combined structure diagram of the utility model is shown. DETAILED DESCRIPTION

[0013] In order to enable the above-mentioned purpose, features and advantages of the utility model to be understood more clearly, the utility model will be further described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0014] As Figs. 1-2 shown in a kind of battery anti-puncture partition plate, including: plate frame 1, reinforcing rib, inner layer glass fiber plate 2, base plate 3, outer layer glass fiber plate 4, anti-puncture panel 9, plate frame 1 is equipped with horizontal rib 5 and vertical rib 6, horizontal rib 5 and vertical rib 6 are mesh-shaped reinforcing rib, with reinforcing rib as foundation, from near to far in turn: reinforcing rib, inner layer glass fiber plate 2, base plate 3, outer layer glass fiber plate 4, anti-puncture panel 9, the four edges of inner layer glass fiber plate 2, base plate 3, outer layer glass fiber plate 4, anti-puncture panel 9 are connected and fixed with plate frame 1, inner layer glass fiber plate 2 is equipped with horizontal groove 7 and vertical groove 8, horizontal groove 7 and horizontal rib 5 one-to-one correspondence, vertical groove 8 and vertical rib 6 one-to-one correspondence, horizontal groove 7 and vertical groove 8 are convex block 12, usually horizontal rib 5 and vertical rib 6 are cylindrical, so horizontal groove 7 and vertical groove 8 are set to semicircular groove, the height of convex block 12 is same with the groove depth of semicircular groove, two horizontal grooves 7 are aligned and combined and just be clamped on horizontal rib 5, vertical groove 8 and vertical rib 6 are matched: the horizontal groove 7 and vertical groove 8 on the two inner layer glass fiber plates 2 are combined and aligned and form horizontal hole 10 and vertical hole 11 matched with horizontal rib 5 and vertical rib 6.

[0015] To ensure the stability and strength of base plate 3, base plate 3 is made of high molecular material.

[0016] To ensure the anti-puncture effect of the outermost layer, the outermost anti-puncture panel 9 is made of high molecular polyethylene fiber.

[0017] The device realizes high strength, high rigidity and high puncture resistance of the partition plate through the composite structure design of the plate frame 1, the reinforcing rib, the inner layer glass fiber plate 2, the base plate 3, the outer layer glass fiber plate 4 and the anti-puncture panel 9. Meanwhile, the design of the convex block 12 further enhances the overall rigidity and puncture resistance of the partition plate. In addition, the material selection of the base plate 3 and the anti-puncture panel 9 also ensures the chemical stability and wear resistance of the partition plate.

[0018] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A puncture resistant separator for a battery, characterized by, The application relates to a panel frame, reinforcing ribs, inner glass fiber plates, a base plate, outer glass fiber plates and a stab-resistant panel, wherein the panel frame is internally provided with horizontal ribs and vertical ribs, the horizontal ribs and the vertical ribs are combined into a grid-shaped reinforcing rib, each side of the reinforcing rib is provided with an inner glass fiber plate, the outer side of the inner glass fiber plate is provided with the base plate, the outer side of the base plate is provided with the outer glass fiber plate, the outer side of the outer glass fiber plate is provided with the stab-resistant panel, the four edges of the inner glass fiber plate, the base plate, the outer glass fiber plate and the stab-resistant panel are connected and fixed with the panel frame, the inner side of the inner glass fiber plate is provided with an arrayed protrusion, the inner glass fiber plate is provided with horizontal grooves and vertical grooves, the horizontal grooves correspond to the horizontal ribs one by one, the vertical grooves correspond to the vertical ribs one by one, the horizontal grooves and the vertical grooves are the protrusions, the horizontal grooves and the vertical grooves of two inner glass fiber plates are combined and aligned to form horizontal holes and vertical holes matched with the horizontal ribs and the vertical ribs, the base plate is made of a high polymer material, and the stab-resistant panel is made of a high polymer polyethylene fiber. ​ ​ ​ ​ ​

Images