Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1978-04-18
1981-10-06
Hunt, Brooks H.
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
252506, 252507, 252433, 252436, 75229, 75243, H01B 104
Patent
active
042934508
ABSTRACT:
An electrically conductive composition is provided which comprises an intercalation compound of (1) graphite, (2) fluorosulfonic acid, chlorosulfonic acid, or mixtures thereof, and (3) a boron trihalide, a tetrahalide of a Group IV element, a pentahalide of a Group V element, or mixtures thereof. The graphite may be in any one of a variety of physical configurations, e.g. as particulate crystals or present in a carbonaceous fibrous material, at the time of the intercalation reaction. The resulting graphite intercalation compound possesses advantageous electrical conductivity characteristics not possessed by plain graphite and is capable of utilization as a light weight electrical conductor. The graphite intercalation compound may optionally be provided within a metal matrix (e.g. within elemental copper) to form an electrically conductive composite article.
REFERENCES:
patent: 3409563 (1968-11-01), Olstowski
patent: 3765881 (1973-10-01), Scholpp
patent: 3962133 (1976-06-01), Rodewald
patent: 3984352 (1976-10-01), Rodewald
patent: 4072516 (1978-02-01), Pepper et al.
Barr J. L.
Genoni Kenneth A.
Hunt Brooks H.
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