They published this research in ACS Energy Letters 1, under the title “Pathways to Electrochemical Ironmaking at Scale Via the Direct Reduction of Fe2O3”. Iron is found in nature in oxidized form, ...

Iron oxidizes—like a bike left out in the rain that turns reddish. Scientists long assumed that the same happened on Mars, with minerals like hematite or goethite oxidizing and causing the red tint of ...