The electricity was known since Before Christ, but it was a definite and feasible information to be revealed as a 19th. century. One of the most important names in the field of electricity until this date is Luigi Galvani (1737-1798).
Luigi Galvani is known for his famous Frog experiment in 1783. By using the known static electricity at that time, a metal swab was touched by a dead frog's leg and discovered that the leg was moving. This phenomenon is statically based on the principle of moving the muscles when an electrically charged metal bar is stimulated and creates one of the building blocks for the discovery of bioelectricity.
Galvani believed that the invention of animal electricity, not the living cells of the muscles contained electricity. However, after the Galvani, Alessandro Volta (1745 – 1827) discovered that it originated from the metal ions in the structure of the muscle cells and the fluid in it.
With the same logic, Volta has placed zinc and copper metal parts in two separate ends of the saline solution and has obtained electrical current. This discovery, which occurred in 1801, is known as the Volta battery. With this discovery, Galvani's animal electrical theory has been eliminated. Alessandro Volta died in 1827 years. After his death, storage of electricity and electricity, i.e. the value of this discovery which was made in the area of the battery is much better understood, and as a gift to his memory, the power voltage unit was called "Volt".