battery plate

Abstract

A battery pole plate, including a pole plate body and a sealing strip; the grid of the pole plate body extends outwards to form a tab, the sealing strip is connected to the tab, the lower side of the sealing strip is provided with a fixing part, and the sealing strip The upper side is provided with a supporting part matching the fixing part. The beneficial effect is that the horizontal battery cells can be prevented from interlocking. The lead-acid storage battery made by the invention has good performance and reliability.

Description

technical field [0001] The invention relates to the field of accumulators, in particular to pole plates of lead-acid accumulators. Background technique [0002] Lead-acid batteries are widely used in many fields because of their low price, mature technology and large monomer capacity. The traditional lead-acid battery plates are only designed with one tab, and then the same positive plate or negative plate tabs in the same pole group are welded together through the bus bar, and then the bus bar is extended, or connected to the adjacent single The body is welded, or the terminal protrudes to the outside of the battery case. The tab of the lead-acid battery plate gathers the current of the electrochemical charge and discharge reaction of the active material of the entire plate, and the tab becomes the most critical part of the conductivity of the entire plate, and the part of the rib or beam connected to the tab Defects will cause the entire plate to fail to charge and disch...

AI Technical Summary

Problems solved by technology

The tab of the lead-acid battery plate gathers the current of the electrochemical charge and discharge reaction of the active material of the entire plate, and the tab becomes the most critical part of the conductivity of the entire plate, and the part of the rib or beam connected to the tab Defects will cause the entire plate to fail to charge and discharge, and the tab part is the bottleneck for improving the high-current charge and discharge performance of the entire plate, which wastes the amount of lead used, and the resistance of the battery plate is relatively high

[0003] In addition, the traditional horizontal battery plate is divided into left and right parts on the same plate, and the positive active material and the negative active material are coated respectively. The positive and negative plates are integrally formed by grid ribs. Due to the fact that the positive and negative plates need to be separated and sealed, the original technology is to use wax sealing, but due to the low bonding strength between the wax and the battery shell and the grid ribs, the battery cells often appear The string problem between the grid, and thus lead to shortened battery life

In addition, it is difficult to accurately control the paste ratio and paste amount of the positive and negative plates

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