FIELD: electrical equipment.
SUBSTANCE: invention relates to electrical engineering, in particular to devices for direct conversion of chemical energy into electrical energy, and specifically to sodium-ion battery based on a new electrochemical system. According to the invention, the active layer of the sodium-ion accumulator consists of composite of sulphur phosphide with carbon.
EFFECT: high stability of sodium-ion accumulator during cycling and increase in its specific energy.
4 cl, 1 ex, 3 dwg
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