1. The composition of the battery: dry battery and rechargeable battery: zinc sheet (iron sheet), carbon rod, mercury, sulfate, copper cap; the battery is mainly made of lead compounds. Example: No. 1 zinc waste. and manganese The composition of the battery weighs about 70 grams, including 5.2 grams of carbon rod, 7.0 grams of zinc skin, 25 grams of manganese powder, 0.5 grams of copper cap and 32 grams of others.
2. Structure of lithium battery.
p>The structure of lithium battery is very simple, as shown in the figure. As for the actual battery, the structure is more complicated, for example, in a cylindrical shape. Battery such as 18650, the layers in the picture are in the form of sheets. It is formed into a cylindrical battery. In addition, there must be a safety valve for the exhaust to prevent lithium ions from escaping through the electrode borngative. >