Energy Timeline By hypersushi365 Jan 1, 1752 Ben Franklin proved that static electricity and lightning were same Ben Franklin Jan 1, 1800 First electric battery invented by Alessandro Volta Alessandro Volta Jan 1, 1808 Humphry Davy invented first effective "arc lamp" Humphry Davy Jan 1, 1820 Hans Christian Oersted, A. M. Ampere, and D. F. G. Arago confirmed relationship between electricity and magnetism Hans Christian Oersted Jan 1, 1821 First electric motor was invented by Michael Faraday Michael Faraday Jan 1, 1826 Georg Ohm defined relationship between power, voltage, current, and resistance in "Ohms Law" Georg Ohm Jan 1, 1835 Joseph Henry invented eletrical relay Joseph Henry Jan 1, 1837 Thomas Davenport invented eletric motor Thomas Davenport Jan 1, 1839 Sir William Robert Grove developed first fuel cell Sir William Robert Grove Jan 1, 1841 James Prescott Joule showed that energy is conserved in electrical circuits involving current flow, thermal heating, and chemical transformations James Prescott Joule
