zinc/air cell

zinc/air cell

[¦ziŋk ′er ‚sel]
(electricity)
A primary battery with very high energy density that uses atmospheric oxygen as the active cathode material and zinc as the anode; cans containing the anode and cathode are separated by an annular insulator.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.