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Lithium/silver vanadium oxide batteries with various silver to vanadium ratios

✍ Scribed by Esther Sans Takeuchi; Pamela Piliero

Book ID
103898237
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
615 KB
Volume
21
Category
Article
ISSN
0378-7753

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✦ Synopsis

Silver vanadium oxides with silver to vanadium ratios of 0.01 to 1.0 were prepared by heat treatment of silver nitrate and vanadium pentoxide. The samples were analyzed by atomic absorption spectroscopy and X-ray powder diffraction. The reaction of silver vanadium oxide with n-butyllithium indicated that the material with a composition of AgVzOs.s had the highest volumetric capacity. This finding was supported by the discharge of lithium/silver vanadium oxide batteries under constant resistance loads of 1, 2, and 5 k!Z The cells with AgVz05.5 as the cathode material delivered the highest capacities and showed the least voltage drop under applied constant current pulses. The theoretical energy density of the 3Li/AgV,05.5 couple is 1.5 W h g-' or 0.20 W h cm-3.

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