This paper ascertains the suitability of the silver-based electrochemistries to serve as rechargeable power sources for high energy/high power undersea systems. The performance characteristics of silver based systems such as the silver-zinc, silver-iron and silver-cadmium couples are compared to those of the more widely used rechargeable systems. This study examines attributes as energy density, specific energy, power density, specific power, operating voltage, charge retention, cycle life, gas evolution, safety and wet life. The results of this study reveal that both silver-zinc and silver cadmium systems have special attributes which merit use for many of these applications. Both provide superior energy and/or power yields, stable voltage performance, moderate cycle and wet lives, excellent charge retention and a demonstrated record of reliability and safety. They are fully developed and cells are offered in a wide variety of pressure-compensated or noncompensated designs. The silver-iron couple is relatively new and offers comparable energy densities to that of the silver-cadmium couple. None of the other candidate high energy systems appear to be sufficiently developed or better adapted for these applications.
High energy density batteries for undersea applications
Hochenergie-Sekundärbatterien für Untersee-Einsätze
1992
6 Seiten, 3 Bilder, 1 Tabelle
Conference paper
English
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