Do you know Alessandro Volta? May be few of you know him. Then Do you know the battery? I am sure you are all know this.
Everyone use battery and carrying everywhere they go, because the gadget and the battery in needed each other. And Alessandro Volta was the man who create the first prototype of modern battery.
He was Italian physics, born in February 18, 1745, today 270 years ago in Como Italy. His most great discovery was the first electrical battery. Two metal, zinc and copper as electrode with sulfuric acid as electrolyte. This is the electrochemical cell.
Recently battery is more sophisticated. Small size, more power, and easy fast rechargeable. Most of battery using Lithium Polymer and Lithium Ion technology.