FIELD: chemistry.
SUBSTANCE: porous carbon nanomaterial with specific surface area up to 750 m2/g which main structure element are interleaved porous nanosized graphene spheres with inner hollow having size 0.5÷2.0 nm is obtained by oxidation of the inner shells of carbon onion structure at temperature 550-750°C in the flow of the dried air duluted with inert gas or in the mixture of carbon dioxide and inert gas.
EFFECT: method improvement of porous carbon nanomaterial preparation.
2 cl, 6 dwg, 6 ex
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