Winding type storage battery with continuous tabs, asymmetric hybrid electrodes and dual-membrane safety valve

Abstract

A winding type storage battery with continuous tabs, asymmetric hybrid electrodes and a dual-membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in current collection disc, the negative pole plate is the hybrid electrode, the hybrid electrode takes a lead plate as a bottom plate, and metal oxide coating layers are arranged on the lead plate and distributed in a dot way. The winding type storage battery has the beneficial effects that by a special end-surface current collection structure and the hybrid electrodes, the current conduction capability is effectively improved; and meanwhile, the battery has high-rate charge and discharge characteristic of a supercapacitor and can be protected very well by the dual-membrane safety valve, and the application performance of the battery is improved.

Description

technical field [0001] The invention relates to a lead-acid storage battery, in particular to a high-power, high-rate discharge wound lead-acid super storage battery, which belongs to the technical field of storage battery processing and manufacturing. Background technique [0002] Traditional lead-acid battery manufacturing processes and technologies have gone through more than a century. In the course of more than a century of development, traditional production and processing technologies have been continuously innovated, and new technologies and equipment have been continuously adopted. [0003] At present, most of the traditional winding lead-acid batteries use single or multiple tabs as the current collection method. During the discharge process, the current distribution is uneven, and it is difficult to realize high-current charge and discharge. In addition, when charging and discharging with high current, due to the large internal resistance of the battery, it will...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of low current conduction capacity, high internal resistance, uneven current distribution during charging and discharging of the existing wound lead-acid batteries, and poor performance in applications requiring high-rate charging and discharging; safety The valve explosion-proof membrane is a single-membrane structure, which is easy to cause safety accidents. The invention provides a continuous tab asymmetrical mixed electrode double-film safety valve winding battery, which can make the current distribution even during the charging and discharging process and effectively increase the current. Conductivity, improve the mechanical strength and anti-vibration performance of the electrode, reduce the internal resistance of the electrode, and at the same time have the characteristics of high-rate charging and discharging of supercapacitors, the explosion-proof film of the double-film structure of the safety valve makes the battery safer The performance of the acid battery is further improved

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