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JOURNAL OF APPLIED ELECTROCHEMISTRY 19 (1989) 475-484 REVIEWS OF APPLIED ELECTROCHEMISTRY 19
 

Summary: JOURNAL OF APPLIED ELECTROCHEMISTRY 19 (1989) 475-484
REVIEWS OF APPLIED ELECTROCHEMISTRY 19
Factors affecting the functioning of solid state fluoride
galvanic cells
A. M. AZAD, O. M. SREEDHARAN
Metallurgy Division, lndira Gandhi Centrefor Atomic Research, Kalpakkam 603 102, Tamil Nadu, India
Received 11 October 1988; revised 24 November 1988
Fluoride galvanic cells employing CaF2 as electrolyte have not been as extensively employed for
thermodynamic characterization of alloys and compounds as the oxide electrolyte cells based on
stabilized zirconia. However, CaF 2 galvanic cells have many advantages over oxide electrolyte cells.
These advantages, as well as the factors affecting the proper functioning of the CaF2 cells, are
discussed, highlighting the experimental aspects, such as the interference by the gas phase, choice of
the reference electrode, and the volatility and compatibility of the materials.
1. Introduction
The determination of the chemical potentials of
components relative to their respective standard states
directly in the condensed phase, with a precision of
_+0.SkJmo1-1, is quite often accomplished by iso-
thermal solid electrolyte galvanic cell techniques.
Since the pioneering work of Kiukkola and Wagner

  

Source: Azad, Abdul-Majeed - Department of Chemical and Environmental Engineering, University of Toledo

 

Collections: Materials Science; Energy Storage, Conversion and Utilization