Acr Electronics, Inc.

Jorgen T Fischer

Walter K McCarter

John F Flood

A bipolar compression cell for a water-activated battery that can be used with a plurality of such cells stacked together in a side-by-side array to form the bipolar battery. Each cell includes an elastomeric frame that can be compressed and a special alloy foil that separates cuprous iodide and magnesium elements and which does not interact with the cuprous iodide or magnesium to allow for bipolar action when the cells are stacked side-by-side. The use of elastomeric frames allows for low cost manufacture, eliminating manual construction. The water-activated battery is especially useful in sonobuoys.

Bipolar compression cell for a water-activated battery

A water-activated, primary reserve battery for use in an environment, such as the ocean, that provides an environmentally safe battery, especially useful in sonobuoys. The battery includes the use of cuprous iodide as a cathode and magnesium as the anode in an array to provide voltage, amperage, and operational time equivalent to conventional lead chloride batteries. Once the sonobuoy is no longer useful as it deteriorates in the environment, no lead will be presented into the ocean. The structural frame members protect the cuprous iodide which is brittle in a rigid array and provides for proper venting of gas and sludge formation to insure efficient operation of the battery.

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Margate, FL, United States of America

Jorgen T Fischer