Prussian Blue Analogues Based on 3d-Metals as Cathode Materials for Magnesium Ion Batteries

Andrey Arbenin, Semyon Egorov, Igor Prikhodko, Anna Fedorova, Anastasia Penkova and Artem Selyutin ()
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Andrey Arbenin: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia
Semyon Egorov: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia
Igor Prikhodko: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia
Anna Fedorova: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia
Anastasia Penkova: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia
Artem Selyutin: Saint Petersburg State University, Universitetsky pr.26, Saint Petersburg 198504, Russia

Energies, 2025, vol. 18, issue 3, 1-17

Abstract: Prussian blue PB analogues (K;Mg) x M[Fe(CN) 6 ] were obtained via the co-precipitation method. Manganese, iron, cobalt, nickel, copper and zinc were selected to obtain the metal hexacyanoferrates (MHCFs) of these metals and to systematically study their structural and electrochemical properties as cathode materials. The obtained substances were characterized via X-ray powder analysis, scanning electron microscopy, thermogravimetric analysis and elemental analysis. An electrochemical study of the obtained cathode materials relative to a platinum anode in an aqueous medium and a magnesium anode in a nonaqueous medium was carried out, and the cycling parameters were determined. The influence of 3d-metal nature on the composition–structure–properties of hexacyanoferrates was demonstrated. MHCFs are promising cathode materials for Mg 2+ intercalation/deintercalation in aqueous electrolytes.

Keywords: aqueous electrolytes batteries; intercalation; hexacyanoferrates; cathode materials (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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