Other
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jps....10..197c&link_type=abstract
Journal of Power Sources (ISSN 0378-7753), vol. 10, July 1983, p. 197-200.
Other
Alkaline Batteries, Cell Anodes, Charge Efficiency, Mercury Amalgams, Zinc-Oxygen Batteries, Alloying, Electric Discharges, Electrochemistry, Gas Evolution, Hydrogen
Scientific paper
A simple procedure is developed to determine the mercury content, without resorting to any analytical procedures, in the chemically amalgamated zinc electrode of zinc-air cells and other related battery systems. A small percentage of mercury is employed in these electrodes in order to increase the hydrogen overvoltage, minimize the self-discharge, and provide an equipotential surface ensuring uniform corrosion. A simple alloying method is developed as an alternative to the method of Bernard (1970). The ampere hour outputs of several experimental 1.4 V, 50 A h zinc-air alkaline cells are presented in order to show that this alloying procedure is more effective than the chemical method, especially when the amalgamated zinc is stored prior to use.
Chakkaravarthy C.
Udupa V. K. H.
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