Dual-membrane safety valve honeycomb type zinc air cell

Abstract

Disclosed is a dual-membrane safety valve honeycomb type zinc air cell. The dual-membrane safety valve honeycomb type zinc air cell comprises a cell reaction tank, an air electrode lead wire, and a zinc electrode lead wire; the dual-membrane safety valve honeycomb type zinc air cell is characterized in that the cell reaction tank is formed by single tubular reaction tanks in arrangement and combination; an upper liquid collecting tank and a lower liquid collecting tank which are connected with each single tubular reaction tank are formed in the upper and lower ends of the single tubular reaction tank respectively; a liquid storage tank is formed in the lower end of each lower liquid collecting tank; a liquid discharging pipe is arranged at the bottom of the lower liquid collecting tank; an electric control liquid discharging valve is arranged on the liquid discharging pipe opening; an electrolyte reflux pump liquid inlet is formed in one side of the bottom end of the liquid storage tank; a reflux pump liquid outlet is formed in one side of the upper liquid collecting tank; a zinc electrode assembly and a cell cover plate are made into a whole body; and a dual-membrane safety valve is arranged on the cell cover plate. By virtue of the air electrode and the zinc electrode with special configuration, the cell is high in capacity, the zinc electrode can be replaced conveniently and rapidly, the cell can be started and closed rapidly and can be used more safely, so that the zinc air cell can satisfy requirement of a vehicle power supply.

Description

technical field [0001] The invention relates to a battery, in particular to a double-membrane safety valve honeycomb zinc-air battery, which belongs to the technical field of battery processing and manufacturing. Background technique [0002] A zinc-air battery is a chemical power source that uses oxygen in the air as the positive electrode active material and metal zinc as the negative electrode active material, and undergoes a chemical reaction under the catalysis of an electrocatalyst to generate electrical energy. Since the zinc-air battery uses oxygen in the air outside the battery as the positive electrode active material, the positive electrode active material does not account for the volume and weight of the battery, so this type of battery has high weight-specific energy and volume-specific energy. Zinc-air batteries have attracted extensive attention because of their large capacity, high specific energy, stable comprehensive performance, safe use, easy-to-obtain an...

AI Technical Summary

Problems solved by technology

[0003] Due to its characteristics, zinc-air batteries have long been favored in the selection of electric vehicle power sources, but they have not been widely promoted. The main reason is that the existing zinc-air battery negative electrode structure and replacement methods cannot meet the requirements. The requirements of power supply for vehicles are not conducive to commercial operation

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