Aluminum silver oxide reserve primary battery for small submersibles

A simple modular aluminum/silver oxide reserve primary battery has been designed for small submersibles. The battery is capable of delivering high power output from a small volume. The cathodes were made of chemically prepared silver oxide powder supported by a silver-plated reticulated nickel matrix. This cathode had a higher energy density than a cathode made from electrochemically charged silver. The anodes were made from an aluminum alloy with low corrosion characteristics. This enhanced the energy density and virtually eliminated hydrogen gassing. The battery was designed to fit into a 6.25 in. diameter×25 in. long hull section. This design yielded a battery with an energy density of 37 Wh/lb