Li Sergey Andreevich RussiaMoscow National Research University "MEI", 14, Krasnokazarmennaya St., Moscow, 111250студентli.sergey.99@mail.ruhttps://orcid.org/0000-0001-8832-8446 Author's articles The Active Materials Ratio in Electrodes of Lithium-Ion Batteries: Optimisation Problems The binder influence on the performance of positive electrodes of lithium-sulfur batteries