Cathode Cathode

Cathode - Definition and Overview

The electrode of an electrochemical cell at which reduction occurs is referred to as the cathode (from the Greek word κάθοδος = 'going down'). In an electrolytic cell the cathode is negatively charged and in a galvanic cell the cathode is positively charged. The oppositely charged electrode in that same cell is referred to as the anode.

See also


Example Usage of Cathode

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