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Abstract The electrochemical exfoliation of graphite in molten NaCl under an Ar-4%H 2 atmosphere was examined, and found to be a possible economic method for the green production of highly… Click to show full abstract
Abstract The electrochemical exfoliation of graphite in molten NaCl under an Ar-4%H 2 atmosphere was examined, and found to be a possible economic method for the green production of highly crystalline 3D graphene related nanostructures in a large scale. The role of hydrogen in the exfoliation process is highlighted. The graphene product exhibited a uniform mesoporous structure, high electrical conductivity of 2.1 × 10 5 S m −1 as well as a specific surface area of 232 m 2 g −1 and thermal stability in air at temperatures below 500 °C. The exfoliation rate was estimated to be about 200 g graphene per liter of molten NaCl per day.
Journal Title: Journal of Industrial and Engineering Chemistry
Year Published: 2017
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