Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

dry cell





A type of small Leclanché cell containing no free fluid. In the commonest type the electrolyte is ammonium chloride paste, the positive electrode (anode) a central carbon rod, and the negative electrode (cathode) the zinc casing. Dry cells are widely used in flashlights and portable radios.


Related category

   • ELECTRICITY AND MAGNETISM