FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, particularly to an electrochemical device in the form of a high-performance tungsten-based super battery, which is an integrated structure made of corresponding material. In the electrochemical device described, the negative electrode is made of a tungsten-based material, and the positive electrode is made of carbon, characterised by a large specific surface area, or lead oxide. Electrochemical device is characterised by the following types of super batteries: 1) a tungsten-carbon super battery, 2) a tungsten-tungsten super battery, 3) a tungsten-lead oxide super battery, and 4) a hybridised tungsten super battery, comprising lead oxide, lead, and a carbon material.
EFFECT: use in the disclosed electrochemical device as an electrode material of tungsten oxides with various crystal structures provides higher power density, higher energy density, longer cycling life, high durability and reliable safety, which is the technical result of the invention.
6 cl, 47 dwg, 20 ex
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