Method of preparing graphene shell and graphene shell prepared using the method
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United States of America Patent
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Mar 4, 2014
Grant Date -
Jun 18, 2009
app pub date -
Jun 2, 2008
filing date -
Dec 17, 2007
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Abstract
Provided are a method of preparing a graphene shell and a graphene shell prepared using the method. A first heat treatment is performed on a mixture of an organic solvent and a graphitization catalyst so as to carburize the graphitization catalyst with carbon decomposed from the organic solvent. The graphitization catalyst is in the form of particles. A second heat treatment process is performed on the carburized graphitization catalyst in an inert or reductive gas atmosphere to thereby form graphene shells on surfaces of the carburized graphitization catalyst.
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