Rope batteries
First Claim
1. A structure for a rope battery employing sea water as the electrolyte comprising a flexible rope which is relatively long compared to its diameter and which consists essentially of a flexible inner core, wherein said inner core comprises at least one continuous, flexible, solid wire, wherein said inner core is surrounded by a thin, porous, flexible insulating separator sleeve which is in turn surrounded by a thin outer flexible layer consisting essentially of twisted, felted or braided strands of metal or graphite, and wherein said inner core consists essentially of corrodible material selected from the group comprising magnesium, aluminum, zinc, and alloys thereof.
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Accused Products
Abstract
A flexible, water activated electrochemical cell and battery suitable generally for application in marine devices requiring low power levels for long periods of time without maintenance or replacement is fabricated in the shape of a rope. This novel shape permits extension of the rope battery cells over long distances and greatly increases the rates at which deleterious reaction products can be liberated to the surrounding water and thus greatly improves the efficiency of low drain water activated batteries.
106 Citations
15 Claims
- 1. A structure for a rope battery employing sea water as the electrolyte comprising a flexible rope which is relatively long compared to its diameter and which consists essentially of a flexible inner core, wherein said inner core comprises at least one continuous, flexible, solid wire, wherein said inner core is surrounded by a thin, porous, flexible insulating separator sleeve which is in turn surrounded by a thin outer flexible layer consisting essentially of twisted, felted or braided strands of metal or graphite, and wherein said inner core consists essentially of corrodible material selected from the group comprising magnesium, aluminum, zinc, and alloys thereof.
- 10. A water activated battery comprising a long flexible rope which consists essentially of two electrically conducting ropes of dissimilar materials held apart by a flexible insulating spacer.
Specification