A primary voltaic cell with a copper anode and a zinc-amalgam cathode, giving a standard electromotive force when either copper sulphate or sulphuric acid is used as the electrolyte.
- The Daniell cell is a wet cell consisting of copper and zinc plates and copper and zinc sulphates.
- We will build a Daniell cell, the battery that powered the telegraph system in the 19th century.
- The text, which describes the Daniell cell and other early batteries, comes from an 1871 book about telegraphy.
Mid 19th century: named after John Daniell (1790–1845), the British physicist who invented it.
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