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US 5,346,650 AGranted
Graphite interlaminar compound and method for producing the same
AssigneeAlps Electric Co., Ltd.
InventorsOsamu Toda, Michio Inagaki, Masahiko Ohhira
Life of this patent
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Abstract
Graphite intercalation compound interposing at least PbCl.sub.2 interlaminarly among graphite, synthesized by mixing a raw material graphite, PbCl.sub.2, and a metal halide other than PbCl.sub.2 and heating the mixture.
Claims5
A graphite intercalation compound comprising PbCl.sub.2 and FeCl.sub.3 intercalated into graphite, wherein the molar ratio of Pb to Fe is at least 0.5, and wherein the combined weight of the PbCl.sub.2 and FeCl.sub.3 is at least 40% of the weight of the graphite.
A method for producing a graphite intercalation compound comprising:
- mixing a raw material comprising graphite with PbCl.sub.2 and FeCl.sub.3 to or a mixture, wherein the molar percentage of PbCl.sub.2 is between 40 and 95 percent of the sum of PbCl.sub.2 and FeCl.sub.3, and wherein the weight of the sum of the PbCl.sub.2 and FeCl.sub.3 is at least 40% of the weight of the graphite;
- and
- heating the mixture for a sufficient time at a temperature between 300.degree. C. and 550.degree. C. to intercalate PbCl.sub.2 and FeCl.sub.3 into graphite.
Dependencies are inferred from the claim text.