Anode material for lithium-ion chemical power sources and method of obtaining thereof
Field of use: the electrotechnical industry, in particular, anode materials for lithium-ion ECCs. Essence of the invention: Anode material based on lithium-titanium spinel that contains doping components, chromium and vanadium, in equivalent quantities, of the chemical formula Li4Ti5-2y(CryVy)O12-x, where x is the deviation from stoichiometry within the limits 0.02<x<0.5, and y is the stoichiometric coefficient within the limits 0<y<0.1.
1. An anode material for electrochemical cells based on lithium-titanium spinel of a chemical formula, Li 4 Ti 5 O 12-x , where x is a deviation from stoichiometry within the limits 0<x<0.02, comprising doping components chromium and vanadium in equivalent quantities to achieve a composition of a formula Li 4 Ti 5-2y (Cr y V y )O 12-x , where 0.02<x<0.5, and y is a stoichiometric coefficient within the limits 0<y<0.25.