FIELD: electricity.
SUBSTANCE: device for accumulation of energy includes a layer of the first electrode, a layer of electrolyte and a layer of the second electrode. At least one of electrode layers includes a basic layer of metal, a layer of carbon nanotubes grown on the basic layer, and a layer of carbon nanoparticles placed onto a layer of carbon nanotubes, at the same time the layer of carbon nanotubes faces the electrolyte layer. Width and length of the specified structure is much higher than thickness, therefore it is rolled or folded and then sealed to form a unit of energy accumulation. A layer of carbon nanotubes is grown on the basic layer using a process of chemical deposition from the gas phase at the temperature of not more than 550°C. Carbon nanotubes in the layer of carbon nanotubes are at least partially aligned in a direction, which is perpendicular to the basic layer surface.
EFFECT: increased capacitance of an accumulator and longer service life.
33 cl, 9 dwg
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Authors
Dates
2012-12-10—Published
2010-01-08—Filed