B.S. Medvedev

Iron Oxide Materials for Positive Electrodes of Lithium and Lithium-Ion Batteries

New iron cathode materials: strontium hexaferrite, spinel-like ferrites of copper, lithium, and zinc, as well as α-and γ-phases of iron (3+) oxide are proposed. Chronopotentiometry method allowed demonstrating the possibility to use ferrites and iron (3+) oxides as the positive electrode materials for lithium batteries.

«Green» Energy Harvesting by Means of Piezoflexogeneration from Vibration or Similar Processes

The piezoelectric systems of electric energy harvesting with an adaptive lowfrequency resonance are developed. These systems allowed to obtain electricity from low-frequency vibration. The availability of their application for adaptation to other periodic processes including pedestrians and vehicles movement is shown.