Abstract
Abstract Recently, unusually high room temperature electrical conductivities rivalling those of pure copper and silver have been reported in graphite intercalated with strong acid fluorides such as antimony pentafluoride and arsenic pentafluoride. With a view to technologically take advantage of such high conductivities in electrical equipment, composite wires consisting of an outer copper sheath and an inner core of graphite intercalated with antimony pentafluoride were fabricated in the present study. The intercalated graphite core was characterized for its density, crystal structure and crystallographic orientation; and the electrical conductivity of the composite wires was measured using the four-paint probe method. The electrical conductivities of the composite wires were found to be substantially lower than that of pure copper and essentially equal to the conductivity contribution of the outer copper sheath alone.
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