Corrosion-resistant lithium battery tab

Abstract

The utility model discloses a corrosion-resistant lithium battery tab which comprises a conductive mechanism and a sealing mechanism, the conductive mechanism comprises two aluminum tin blocks, an electrode plate transversely penetrating through one aluminum tin block, a tab plate transversely penetrating through the other aluminum tin block, and the sealing mechanism, the sealing mechanism comprises a sealing plate attached between the two aluminum tin blocks, a plurality of clamping blocks connected with one sealing plate, and a plurality of L-shaped plates connected with the aluminum tin blocks in an inserted mode and connected with the sealing plate. According to the utility model, after the electrode plate and the tab plate respectively penetrate through the two aluminum tin blocks, the electrode plate and the tab plate are attached to each other, then the joint of the electrode plate and the tab plate is comprehensively welded between the two aluminum tin blocks by using welding equipment, then the two sealing plates are folded, and then the L-shaped plates are inserted and fixed by using the connecting pieces, so that the electrode plate and the tab plate can be sealed. Therefore, the connection firmness of the electrode plate and the tab plate is improved, and the dustproof effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery tab technical field, concretely is a kind of corrosion-resistant lithium battery tab. BACKGROUND

[0002] Lithium battery is a kind of with lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution battery, and it is not the same with rechargeable battery lithium ion battery and lithium ion polymer battery.Due to the chemical properties of lithium metal is very active, make lithium metal processing, preservation, use, the requirement to environment is very high.

[0003] The application number CN201921618872.9 discloses a kind of lithium battery tab, including aluminium tin block and so on structure.The utility model is provided with insulation layer and corrosion-resistant layer, insulation layer can effectively prevent tab plate one, tab plate two and expansion plate contact with lithium battery aluminium tin block, avoid lithium battery circuit short circuit, improve the security of use, by corrosion-resistant layer can effectively prevent tab from acid and alkali corrosion, improve the use environment of tab, and increase the service life of tab.The application is specific to use, due to the size of welding hole is smaller, the welding of electrode plate and tab plate one connection is not comprehensive, leading to poor connection effect, and although fixed plug can plug welding hole, but still there is the possibility of dust entering. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] To this end, the technical scheme adopted by the utility model is:

[0006] A kind of corrosion-resistant lithium battery tab, including conducting mechanism and sealing mechanism, the conducting mechanism includes two aluminium tin blocks, electrode plate transversely through one aluminium tin block, tab plate transversely through another aluminium tin block, sealing mechanism, the sealing mechanism includes the sealing plate that fits between two aluminium tin blocks, multiple clamping blocks connected with one sealing plate, multiple L-shaped plates inserted with the aluminium tin block and connected with the sealing plate, connecting piece connected between adjacent two L-shaped plates, the connecting piece is inserted with aluminium tin block.

[0007] By adopting the above technical scheme, after electrode plate and tab plate are respectively penetrated through two aluminium tin blocks, electrode plate and tab plate are mutually fitted, then between two aluminium tin blocks, welding equipment is used, the connection of electrode plate and tab plate is fully welded, then, two sealing plates are folded, then after multiple L-shaped plates are inserted, connecting piece is used for fixing, so that the firmness of the connection of electrode plate and tab plate is improved, and the dustproof effect is guaranteed.

[0008] The utility model discloses in a preferable example can be further configured as: another sealing plate top and bottom all are equipped with the clamping groove that is suitable for the clamping of clamping block, and two sealing plates are seamlessly pasted.

[0009] The utility model discloses in a preferable example can be further configured as: multiple L-shaped plates are set up as two groups with four as a group, and four L-shaped plates in each group are located on both sides of the sealing plate respectively.

[0010] The utility model discloses in a preferable example can be further configured as: multiple thickening plates are integrally formed on the top, bottom and inside of the aluminum tin block, and the multiple thickening plates are located on the top and bottom of the multiple L-shaped plates respectively.

[0011] The utility model discloses in a preferable example can be further configured as: the outer end of two aluminum tin blocks is embedded with anticorrosive sleeve respectively, and the two anticorrosive sleeves are sleeved on the outer side of the electrode plate and the outer side of the tab plate respectively.

[0012] Through adopting the above technical scheme, the utility model discloses the obtained beneficial effect is:

[0013] In the utility model, after the electrode plate and the tab plate are respectively penetrated through two aluminum tin blocks, the electrode plate and the tab plate are pasted with each other, then the welding equipment is used to make comprehensive welding on the connecting place of the electrode plate and the tab plate between two aluminum tin blocks, after that, two sealing plates are folded, then multiple L-shaped plates are inserted, and the fixing is made by the connecting piece, so that the firmness of the connection of the electrode plate and the tab plate is improved, and the dustproof effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the schematic diagram of the conductive mechanism of the utility model;

[0016] Figure 3 It is the schematic diagram of the sealing mechanism of the utility model;

[0017] Figure 4 It is the A part structure of the utility model Figure 3 Enlarged view.

[0018] Reference signs:

[0019] 100, conductive mechanism; 110, aluminum tin block; 120, electrode plate; 130, tab plate;

[0020] 200, sealing mechanism; 210, sealing plate; 220, clamping block; 230, L-shaped plate; 240, connecting piece;

[0021] 300, thickening plate;

[0022] 400, anticorrosive sleeve. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] It is understood that the description is only exemplary and is not intended to limit the scope of the utility model.

[0025] Some embodiments of the utility model provide a corrosion-resistant lithium battery tab, which is described below in combination with the drawings.

[0026] Embodiment one:

[0027] In combination with Figures 1-4 the drawings, the utility model provides a corrosion-resistant lithium battery tab, which comprises a conductive mechanism 100 and a sealing mechanism 200, the conductive mechanism 100 comprises two aluminum tin blocks 110, an electrode plate 120 transversely penetrating one aluminum tin block 110, and a tab plate 130 transversely penetrating the other aluminum tin block 110.

[0028] The sealing mechanism 200 comprises a sealing plate 210 fitted between the two aluminum tin blocks 110, a plurality of clamping blocks 220 connected with one sealing plate 210, a plurality of L-shaped plates 230 inserted with the aluminum tin block 110 and connected with the sealing plate 210, and a connecting piece 240 connected between adjacent two L-shaped plates 230, wherein the connecting piece 240 is inserted with the aluminum tin block 110.

[0029] Further, the top and bottom of the other sealing plate 210 are both provided with clamping grooves suitable for clamping the clamping blocks 220, and the two sealing plates 210 are seamlessly fitted, the clamping grooves are arranged to ensure that the two sealing plates 210 can be firmly connected through the clamping blocks 220.

[0030] Further, the plurality of L-shaped plates 230 are arranged in two groups, four L-shaped plates 230 in each group are respectively located on both sides of the sealing plate 210, and the layout design of the L-shaped plates 230 improves the connection firmness of the sealing plate 210 and the two aluminum tin blocks 110 to a certain extent.

[0031] Embodiment two:

[0032] In combination with Figures 1-2 the drawings, on the basis of embodiment one, the aluminum tin block 110 is integrally formed with a plurality of thickening plates 300 on the top, bottom and inside, the plurality of thickening plates 300 are respectively located on the top and bottom of the plurality of L-shaped plates 230, and the thickening plates 300 are arranged to improve the strength of the aluminum tin block 110 and prevent the L-shaped plates 230 from breaking the aluminum tin block 110.

[0033] Embodiment three:

[0034] In combination Figure 1 As shown in the above embodiment, the outer end of the two aluminum tin blocks 110 is embedded with a corrosion-resistant sleeve 400, and the two corrosion-resistant sleeves 400 are respectively sleeved on the outer side of the electrode plate 120 and the outer side of the tab plate 130. The corrosion-resistant sleeve 400 can improve the corrosion resistance of the product.

[0035] The working principle and use process of the utility model: when the device is put into actual use, the electrode plate 120 and the tab plate 130 are respectively penetrated through the two aluminum tin blocks 110, then the electrode plate 120 and the tab plate 130 are mutually pasted, then the connection between the electrode plate 120 and the tab plate 130 is fully welded by using a welding equipment, then the two sealing plates 210 are folded, then the multiple L-shaped plates 230 are inserted, then the connection piece 240 is used for fixing, thereby the firmness of the connection between the electrode plate 120 and the tab plate 130 is improved, and the dustproof effect is ensured.

[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A corrosion resistant lithium battery tab, characterized by, The utility model relates to a kind of sealing mechanism (200), the sealing mechanism (200) includes the sealing plate (210) being attached between two aluminium-tin blocks (110), a plurality of clamping blocks (220) are connected with one sealing plate (210), a plurality of L-shaped plates (230) are inserted with the aluminium-tin block (110) and are connected with the sealing plate (210), connecting piece (240) is connected between adjacent two L-shaped plates (230), and the connecting piece (240) is inserted with aluminium-tin block (110). Another sealing plate (210) top and bottom are provided with clamping groove suitable for clamping block (220) clamping, and two sealing plates (210) are seamlessly attached. A plurality of L-shaped plates (230) are set as two groups with four as a group, and the four L-shaped plates (230) in each group are located on the two sides of the sealing plate (210) respectively.

2. The corrosion resistant lithium battery tab of claim 1, wherein, The aluminium-tin block (110) top, bottom and inside are integrally formed with a plurality of thickening plates (300), and the plurality of thickening plates (300) are located at the top and bottom of the plurality of L-shaped plates (230) respectively.

3. The corrosion resistant lithium battery tab of claim 1, wherein, The outer end of the two aluminium-tin blocks (110) is embedded with a corrosion-resistant sleeve (400), and the two corrosion-resistant sleeves (400) are respectively sleeved on the outer side of the electrode plate (120) and the outer side of the tab plate (130).

4. The corrosion resistant lithium battery tab of claim 1, wherein, ​ 5. The corrosion resistant lithium battery tab of claim 1, wherein, ​

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