FIELD: electrical engineering.
SUBSTANCE: invention relates to a battery comprising a first electrode, an electrolyte and a second electrode, wherein one or both of the first and second electrodes contain direct reduced iron. The direct reduced iron is in the form of pellets that contain at least about 60 wt.% of iron, based on the total weight of the pellets. One or both of the first and second electrodes contain from about 60% to about 90% iron and from about 1% to about 40% of a component containing one or more materials selected from the group of SiO2, Al2O3, MgO, CaO and TiO2.
EFFECT: improving working electrochemical characteristics.
23 cl, 24 dwg, 13 ex, 5 tbl
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