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However, in 1800, Alessandro Volta invented the first real battery, called the Voltaic (named for Volta himself) Pile. His experiments proved this hypothesis and his work was eventually published in 1791. However, it was Alessandro Volta, who was a colleague scientist to Galvani, who disagreed with his theory, and believed that this phenomenon was actually caused by 2 different metals being joined together by a catalyst that had a moisture component within it, that caused this reaction. Galvani determined that the energy that caused this contraction, had come from the leg itself, and he referred to this as "animal electricity". It was Luigi Galvani who, in 1780, during the dissection a frog which was attached to a brass hook, noticed that when he touched its’ leg with his iron scalpel, the leg moved, or “twitched”. Here is a Brief Synopsis of How This Came to Be. In 1800, We see the Advent of The Voltaic Pile : Named for Allessandro Volta. Linking them together in a "cell", gave it a stronger discharge. They were charged (given power) by static generators and then discharged(depleted of power), by touching the metal to their electrode. The capacitors were panels with metal coated glass on them. He used these linked capacitors for his experiments with electricity. It was Benjamin Franklin first coined the term "battery" in 1749, to describe a set of capacitors, which were linked together. Before electrical grids(which came to existence at the end of the 19 th century) electro-chemical cells were the main source of electricity. The history and evolution of electrochemical cells has proven essential in scientific and industrial applications of electricity throughout the world. As you read this, you will discover how primitive they first were, and will quickly become impressed, as we were when performing this research, at the caliber of their evolution to present day. What follows is the historical timeline of the evolution of the battery.