Concept

Electrochemical cell

Summary
An electrochemical cell is a device that generates electrical energy from chemical reactions. Electrical energy can also be applied to these cells to cause chemical reactions to occur. Electrochemical cells which generate an electric current are called voltaic or galvanic cells and those that generate chemical reactions, via electrolysis for example, are called electrolytic cells. Both galvanic and electrolytic cells can be thought of as having two half-cells: consisting of separate oxidation and reduction reactions. When one or more electrochemical cells are connected in parallel or series they make a battery. Primary cells are single use batteries. Types of electrochemical cells Galvanic cell Galvanic cell A galvanic cell (voltaic cell) named after Luigi Galvani (Alessandro Volta) is an electrochemical cell that generates electrical energy from spontaneous redox reactions. A wire connects two different metals (ex. Zinc and Copper). Each metal is in a sep
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