H. Groult et al., STRUCTURE AND ELECTROCHEMICAL PROPERTIES OF CXF AND CX(VF5)YF GRAPHITE-INTERCALATION COMPOUNDS, Journal of fluorine chemistry, 62(2-3), 1993, pp. 119-129
Fluorine-graphite intercalation compounds, C(x)F, and vanadium fluorid
e-graphite intercalation compounds, Cx(VF5)yF, have been prepared and
characterized by X-ray powder diffraction (Debye-Scherrer method) and
FT-IR spectroscopy. The reduction of these stage 1 and stage 2 compoun
ds was carried out in a solution of LiClO4 in propylene carbonate usin
g the carbon paste electrode technique. It was observed that the poten
tial of the reduction peak corresponding to the C(x)F samples decrease
d with increasing values of x. For VF5-containing compounds, three red
uction peaks were observed, related to the reactions: V(V) --> V(III),
V(III) --> V(0) and F --> F-.