Method for low-temperature preparation of graphene and of graphene-based composite material
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United States of America Patent
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Feb 28, 2017
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Jun 25, 2015
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Feb 28, 2015
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Aug 28, 2012
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Abstract
Provided is a method for room-pressure and low-temperature preparation of graphene, comprising: heat treating a compound of graphite oxide and sulfuric acid in either room pressure or negative pressure at a temperature between 50 and 400° C., thus converting graphite oxide into graphene. Also provided is a method for low-temperature preparation of a graphene composite material. The acquired graphene and graphene composite material are applicable in optical materials, electrically-conductive materials, sensor materials, catalytic materials, battery materials, and supercapacitor materials.
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