Abstract

Graphite intercalation compounds (GICs) containing the tris(pentafluoroethyl)trifluorophosphate anion, [(C 2F 5) 3PF 3] − are prepared for the first time by electrochemical oxidation of graphite in a nitromethane electrolyte. Powder X-ray diffraction (PXRD) data indicate that products are of stages 2–4 with gallery heights of 0.82–0.86 nm. Intercalate orientation is determined by using a structure model containing an energy minimized anion. GIC compositional parameters are obtained by microwave digestion followed by F elemental analysis, in combination with thermogravimetric analyses.

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