Frantsev Roman Konstantinovich RussiaSaratov Engelssky Institute of Technology of the Saratov State Technical University, 17, Svoboda Square, Engels, 413100кандидат химических наукfrantsev@bk.ruhttps://orcid.org/0000-0003-4390-6622 Author's articles The earth rare metall nature influence on electrochemical processes on MnO2-electrode in aprotic organic solutions Prospective Composite Materials for Lithium~Ion Battery Cathodes Based on~Transition Metals Oxide and Rare Earth Elements Oxides Modified with Fullerene and Fluoride Ions