Structural features and electrochemical characteristics of orthorhombic vanadium pentoxide synthesized from technical reagents
Leonov A.A., Duyunova V.A., Trofimov N.V., Kuznetsov V.V., Cherkasov D.I., Makarenkov D.A., Rodionov N.M., Komendo I.Yu., Mihlin A.L. Structural features and electrochemical characteristics of orthorhombic vanadium pentoxide synthesized from technical reagents // Proceedings of VIAM. 2026. No. 5. DOI: 10.18577/2307-6046-2026-0-5-186-197. URL: https://test.viam.ru/en/journal/2026/5/15
Keywords
vanadium pentoxide, X-ray diffraction analysis, transmission electron microscopy, scanning electron microscopy, cyclic voltammetry, redox transition
Abstract
The study investigates the features of the synthesized orthorhombic vanadium oxide obtained through a multistage procedure from technical raw materials. It was established that the resulting vanadium oxide is characterized by strong particle aggregation with diverse morphologies, which is related to synthesis parameters. Particularly the high pH value during the precursor precipitation stage. Electrochemical studies revealed two pairs of redox transition: V (V) → V (IV) and V (IV) → V (III), and also allowed the determination of the working pH stability range (pH = 5–9).
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