Makhov Semen Viktorovich RussiaSaratov Saratov State University, 83, Astrakhanskaya St., Saratov, 410012аспирантsemen_mahov@mail.ru Author's articles Peculiarities of Lithium Pentatianate and Lithium – Vanadium(III) Phosphate Joint Operation in the Lithium-accumulating System Development of the Electrode Material of the Lithium-ion Battery Based on Lithium-nickel(II) and Cuprum(II)-Lithium Vanadates Peculiarities of Obtaining and Electrochemical Properties of Lithium-Ion Battery Cathode Materials Based on Iron(II)-Lithium Orthosilicate Synthesis and Electrochemical Properties of Lithium-Accumulating Electrode Material Based on Li₂MnSiO₄