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Title: Electrical and electrochemical studies of some solid electrolytes
Author: Sivapalan, Nagalingam
ISNI:       0000 0001 3416 4116
Awarding Body: University of Cambridge
Current Institution: University of Cambridge
Date of Award: 1987
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In Chapter 1 solid electrolytes are reviewed. The historical development, mechanism of ionic conduction in solids and the properties and applications of important solid electrolytes are given. Chapter 2 discusses impedance methods as applied to electrochemistry and the equivalent circuit representation of the solid electrolyte/electrode interface. The application of a computer program that gives theoretical impedance and/or admittance plots is also described. The application of four-electrode conductivity measurements to solid electrolytes is described in Chapter 3. Since this is the first time these four-electrode measurements have been employed with solid electrolytes, a detailed review of the theoretical calculations and the errors involved are presented. The results from the experiments on the solid electrolyte PyAg5I6(Py=C5H6N) are also given. In Chapter 4, the cathodic deposition of silver from PyAg5I6 and its subsequent recovery by anodic polarisation are examined. The behaviour of solid silver and silver painted electrodes in this perspective is compared. The solid electrolyte galvanic cell AgmidPyAg5I6midMe4NI5, C is investigated in Chapter 5. Various cell parameters are measured and the charge/discharge characteristics examined. Finally in Chapter 6 the behaviour of zeolites as solid ionic conductors is reviewed and the results of some preliminary studies on zeolite-Y are presented.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Solid state ionics