Explanation

An acid secondary cell uses PbO2 as the positive electrode. Sponge lead is used as the negative electrode, sulfuric acid solution is used as the electrolyte, and a partition is added between the positive and negative electrodes to prevent short circuits. It was invented in 1859. lead-acid battery is the most widely used and used battery among all kinds of batteries. It has been widely used in all kinds of vehicles, instruments, uninterrupted power supply, electric tools, etc.

Classification