The positive [[electrode]] in an [[electrochemical cell]] ([[battery]]). Also, the earth or ground in a [[cathodic protection]] system. Also, the positive terminal of a [[diode]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref>
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An '''anode''' is the positive [[electrode]] in an [[electrochemical cell]] ([[battery]]). Also, the earth or ground in a [[cathodic protection]] system. Also, the positive terminal of a [[diode]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref>