FIELD: electricity.
SUBSTANCE: compound applicable as charge-maintaining material for electrochemical condensers; it contains carbon nanotubes and carbonaceous material, at that this carbonaceous material represents residue of biopolymer carbonisation or sea weed rich with heteroatoms, where this residue of biopolymer carbonisation or sea weed is electroconductive and has content of heteroatoms of at least 6% as detected by means of X-ray photoelectron spectroscopy.
EFFECT: increase in capacitance of electrodes containing compound.
21 cl, 8 dwg, 3 tbl
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