FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, namely to lithium-ion batteries with an electrolyte composition, which enables to use lithium-ion batteries based on active material of lithium-manganese-cobalt-nickel at low temperatures. Electrode unit of anode plates made of copper foil and cathode plates made of aluminium foil, with an active electrode mass deposited on the plates, separated by a separator, contains electrolyte based on solutions of cyclic and linear carbonates in certain quantitative and qualitative ratio, and also active material contains silicon nanoparticles and carbon nanotubes.
EFFECT: increasing capacity of the accumulator during discharge in the region of negative temperatures with increasing cyclicity of the lithium battery with a cathode mass based on LiNiMnCoO2.
2 cl, 2 dwg, 1 tbl, 1 ex
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