FIELD: process engineering.
SUBSTANCE: invention may be used in electrode making. Graphitisation of needles is carried out in the presence of coal-tar pitch and catalyst selected from the range including compounds of iron, nickel and whatever mixes thereof at 400-590°C in the presence of reducing gases.
EFFECT: lower temperature of crystalline graphite formation.
2 cl, 3 dwg, 12 ex
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Authors
Dates
2013-02-27—Published
2010-11-22—Filed