Nife battery
The nickel–iron battery (NiFe battery) is a rechargeable battery having nickel(III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The active materials are held in nickel-plated steel tubes or perforated pockets. Charge/discharge involves the transfer of oxygen from one electrode to the other (from one group of plates to the other).
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