FIELD: electrical engineering.
SUBSTANCE: group of inventions relates to devices for accumulating and storing electrical energy and methods for producing electrochemical devices. In an electrochemical electrical energy storage device comprising a working negative electrode (anode), a working positive electrode (cathode) and an additional electrode, electrolyte, separators and current collectors, the positive electrode (cathode) comprises an active material that is a mixture carbon and nanocarbon materials and oxide compounds of alkali and transition metals and non-water-soluble polymer binders.
EFFECT: increased specific characteristics and service life of the electrochemical electrical energy storage device.
23 cl, 7 dwg, 1 ex
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