How to repair reduced graphene oxide

Japanese Patent JP6357539

B2

A method for repairing a reduced graphene oxide, is characterized in comprising the following steps: Dispersing the reduced graphene oxide into a solvent to obtain a graphene dispersion liquid, adding a first Lewis acid and a compound containing a methyl or methylene group to obtain the first mixture, reacting the first mixture in a microwave environment of which power is 300~900w for 0.5~2 hours, refluxing for 3-5 hours; separating, purifying and drying to obtain the first crude product; Adding the first crude product into a second Lewis acid, adding an aromatic hydrocarbon repairing agent to obtain the second mixture, reacting the second mixture to obtain a molten solid, separating and purifying same to obtain the second crude product; Mixing the second crude product, a metal powder catalyst and a third Lewis acid to obtain the third mixture, reacting the third mixture in the atmosphere of a protection gas containing a carbon source at a temperature of 450-500 °C for 1-2 hours, and annealing in a vacuum environment for 5-8 hours under the temperature of 200°Cˆ¼350°C, this method can repair reduced graphene oxide effectively.

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Chan, Minton
Chan, Lin Tho

JP2016546958A

July 11, 2018

January 17, 2014

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Carbon Nano Engineering Systems Corporation

C01B32/198; B82B1/00

JP2012527396A
JP2015502415A
JP2007019086A

US20120021224
US20130137894
US20130266501
US20130108839
WO2013107840A1
WO2011016889A2
WO2013061258A1

Sonoda/Kobayashi Patent Business Corporation

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