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Grid special for power battery

A power battery and grid technology, which is applied in the field of special grids for power batteries, can solve the problems of reducing the ability of the grid to carry active materials, the reactive area of ​​active materials, and the poor strength of active materials on the plates, so as to achieve enhanced bonding and extreme The effect of increasing the strength of the plate active material, improving the electrical conductivity, and optimizing the design

Active Publication Date: 2014-11-05
ANHUI YONGHENG STORAGE BATTERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Reducing the number of transverse ribs is equivalent to reducing the ability of the grid to carry the active material and the reaction area of ​​the active material, and the strength of the active material of the plate is poor

Method used

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  • Grid special for power battery
  • Grid special for power battery

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Embodiment Construction

[0021] The following combination Figure 1 to Figure 3 The embodiment of the grid dedicated to the power battery of the present invention is described in detail.

[0022] Such as figure 1 and figure 2 As shown, a special grid for a power battery includes a grid body, a frame is arranged around the grid body, and the middle part of the upper frame 2 is connected with a tab 1, and the grid body is provided with transverse ribs on the inner side of the frame. 5 and a rib grid formed by vertical ribs 6, said vertical ribs 6 are vertically provided with several side wings 7 protruding to both sides, and the upper contour of said side wings 7 is inclined to the downward side (with the vertical rib The slope of the strips works best between 30° and 60°). Adding side wings 7 protruding to both sides on the vertical ribs 6 can enhance the bonding force between the grid and the active material and ensure the strength of the active material of the pole plate, and the purpose of makin...

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Abstract

The invention discloses a grid special for a power battery. The grid comprises a grid body, a frame is arranged at the periphery of the grid body, the middle of an upper frame is connected with a pole lug, the grid body is provided with a rib mesh at the inner side of the frame, the rib mesh is composed of horizontal ribs and vertical ribs, the vertical ribs are provided with a plurality of side fins protruding towards two sides along a vertical direction, and upper profiles of the side fins incline towards a lower side. By arranging the side fins at the two sides of the vertical ribs on the grid, the purpose of design optimization is achieved, current passes through the side fins and is transferred, so that the current generated due to the reaction of an active substances of a polar plate is more effectively gathered onto the vertical ribs for conduction, the reactive area of the active substance of the polar plate is guaranteed, the bonding force of the grid and the active substance and the intensity of the active substance are enhanced, the conductivity of the grid is improved, and the requirements of large current and high-rate discharging during running of the power battery are ensured.

Description

technical field [0001] The invention belongs to the technical field of accumulators, in particular to a special grid for power batteries. Background technique [0002] Among the horizontal and vertical ribs of the grid, the main function of the horizontal ribs is to carry the active material and increase the reaction area of ​​the active material, and the main function of the vertical ribs is to conduct current, so the structure of the vertical ribs on the grid determines the The ability of the gate to conduct current. [0003] In the field of power battery application, since the power battery is always in a high-current, high-rate discharge state during normal use, the requirements for the ability of the grid vertical ribs to conduct large currents are more stringent. [0004] In order to ensure the current conduction capacity of the vertical ribs of the grid, the special grid for power batteries usually adopts the method of reducing the number of horizontal ribs, increasi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/74
CPCH01M4/74Y02E60/10
Inventor 张恭政王鹏伟徐丹
Owner ANHUI YONGHENG STORAGE BATTERY
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