Electrochemical Cell
An electrochemical cell is a device that converts chemical energy into electrical energy or vice versa through oxidation-reduction reactions. It consists of two electrodes, an anode and a cathode, which are immersed in an electrolyte solution. The anode is the electrode where oxidation occurs, while the cathode is the electrode where reduction occurs. The electrolyte solution contains ions that allow the flow of electrons between the electrodes. When the cell is connected to an external circuit, electrons flow from the anode to the cathode, generating an electric current. In a rechargeable electrochemical cell, the direction of the current can be reversed by applying an external voltage, allowing the cell to be recharged. Electrochemical cells are used in a variety of applications, including batteries, fuel cells, and electroplating.
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