Abstract
A Li hexagonal boron nitride (hBN) intercalation compound (Li-hBNIC) was successfully synthesized by the annealing of powder or bulk hBN and Li at 1523 K. By an XRD analysis, a strong peak indicating the expansion of BN interlayer distance due to Li-intercalation was observed at an angle lower than that of hBN (0 0 2). In the sample, the interlayer distance and its expansion ratio were 3.76 Å and 12.6%, respectively, and these values were similar to those of a first stage Li-graphite intercalation compound (Li-GIC), LiC 6. The electrical conductivity of the sample was increased by several orders of magnitude, from 10 −15 to 10 −7 Ω −1 cm −1 at room temperature. Li de-intercalation was confirmed by the dispersion of the sample in purified water.
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