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Factors Affecting the Internal Resistance of Silver/silver Molybdate/iodine Cells by A.K. Arof is a Engineering article available to read on EtoBox.

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A silver molybdate glass with the tool% stoichiometry of 60AgI-20Ag20--20MoO3 is prepared by liquid nitrogen temperature quenching of the melt. The glassy nature of the phase has been confirmed by powder X-ray diffraction. The conductivity of the glass from impedance spectroscopy is of the order 10 -3 S crn -1 at 300 K. The phase is an electrolyte ahd has been used to fabricate several iodine/silver electrochemical cells in which silver is mixed in different proportions with the solid electrolyte for the anode of the cells. The cathode consists of a fixed ratio of iodine, electrolyte and carbon. It is found that, if the cathode disc is placed over the electrolyte surface of the anode/electrolyte disc and clamped between two copper current collectors, the cell with a 1:1 weight ratio of silver powder and the electrolyte shows the lowest internal resistance. A second cell has been fabricated with this anode composition, but the anode, electrolyte and cathode are pressed together to form a single solid disc so as to eliminate cathode/electrolyte interfaeial resistance that also contributes to the total internal resistance of the cell. For the cells with a composition of 1:1 silver pow

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Author

A.K. Arof

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-7753)

Published

1993

Language

EN

Field

Engineering (Physical Sciences)