Iron-Silver Battery Chemistry FAQ

Iron Silver Cells

These have a very high energy density, and a good cycle life. It is an alkaline battery with a KOH electrolyte, and the working materials are silver oxide and metallic iron. The high cost of these batteries have long been a problem, but an ounce of silver in a cell phone battery would probably cost less than an ounce of the rare earths now used in some NiMH batteries. The electrolyte is typically KOH solution.