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IJEMS Vol.17(2) [April 2010] >


Title: Preparation of some metal chloride doped silver phosphate glass electrolytes–Application to solid state batteries
Authors: Das, S S
Srivastava, Pankaj Kumar
Singh, N P
Srivastava, Vibha
Keywords: Silver phosphate glass
Solid state battery
Glass electrolyte
Ion conducting glasses
Issue Date: Apr-2010
Publisher: CSIR
Abstract: Silver phosphate glasses doped with various compositions (0, 1, 5, 10 and 15 wt%) of some metal chlorides, viz, lithium, sodium, magnesium, lead and copper are prepared by melt quenching technique. These glasses are characterized by X-ray diffraction analysis, FTIR spectra, transference number measurements and electrical conductivity studies. The glasses exhibiting maximum electrical conductivity are used as solid electrolytes for the fabrication of solid-state batteries with the cell configurations: Ag || Ag2O – P2O5 – MCly || (C + I2) (where y = 1 when M is Li or Na; y = 2 when M is Mg, Pb or Cu). The open circuit voltage (OCV) and discharge characteristics of all the fabricated batteries have been studied. The addition of metal chlorides to silver phosphate glass matrix results in a substantial increase in the OCV. The cell with the configuration Ag || Ag2O – P2O5 – (15%) Li Cl || (C + I2) gives the best performance. The results have been discussed on the basis of FTIR and electrical conductivity studies.
Page(s): 123-130
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Source:IJEMS Vol.17(2) [April 2010]

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