Na7V3(P2O7)4 as a high voltage electrode material for Na-ion batteries: crystal structure and mechanism of Na+ extraction/insertion by operando X-ray diffraction V. M. Kovrugin, J. N. Chotard, F. Fauth & C. Masquelier Journal of Materials Chemistry A, 2020 Mineral-Inspired Crystal Growth and Physical Properties of Na2Cu(SO4)2 and Review of Na2M(SO4)2(H2O)x (x = 0–6) Compounds Vadim M. Kovrugin, Diana O. Nekrasova, Oleg I. Siidra, Olivier Mentré, Christian Masquelier, Sergey Yu. Stefanovich, Marie Colmont Crystal Growth & Design, 2019 A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na4MnV(PO4)3 Fan Chen, Vadim M. Kovrugin, Rénald David, Olivier Mentré, François Fauth, Jean‐Noël Chotard, Christian Masquelier Small Methods, 2019 A High Voltage Cathode Material for Sodium Batteries: Na3V(PO4)2 V. Kovrugin, R. David, J.N. Chotard, N. Recham, C. Masquelier Inorganic Chemistry, 2018 Structural and electrochemical studies of novel Na7V3Al(P2O7)4(PO4) and Na7V2Al2(P2O7)4(PO4) high-voltage cathode materials for Na-ion batteries V. M. Kovrugin, J. N. Chotard, R. David, C. Masquelier Journal of Materials Chemistry A, 2017