What is a Dry Cell Battery?
The dry cell battery is one of the most commonly used types of batteries. A, C, 9-volt, and watch batteries are dry cell batteries. Invented by Sakizou Yai in 1885, the dry cell battery was improved and patented by Dr. Carl Gassner, a German scientist in 1887. A dry cell battery is different from a wet cell battery because its electrolytes are contained in a low-moisture paste. A wet cell battery’s electrolytes are contained in a liquid. Wet cell batteries are often used in cars because they are relatively cheap and easily recharged. Dry cell batteries, regardless of their size, have the same components. At the center of each dry cell battery is a rod called a cathode, which is generally made of metal or graphite and is surrounded by an electrolyte paste. The cathode and electrolyte paste are wrapped in paper or cardboard. One or more of these cells are sealed into a metal cylinder called an anode, which is typically made of zinc or alkaline. The anode in the dry cell battery has two o
