Two-dimensional carbon materials prepared by electrochemical exfoliation

The present invention relates to a process for preparing graphene by electrochemical exfoliation, which comprises: - providing a first electrode E1 and a second electrode E2, wherein at least the first electrode E1 comprises a carbon starting material having a layered structure; - bringing at least...

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Bibliographische Detailangaben
Hauptverfasser: PARVEZ, KHALED, FENG, XIN-LIANG, VENKATARAMAN, SHYAM SUNDAR, KURKINA, TETIANA, NATHAN-WALLESER, TERESSA, MUELLEN, KLAUS
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present invention relates to a process for preparing graphene by electrochemical exfoliation, which comprises: - providing a first electrode E1 and a second electrode E2, wherein at least the first electrode E1 comprises a carbon starting material having a layered structure; - bringing at least the first electrode E1 in contact with a liquid electrolyte, wherein the liquid electrolyte comprises a sulfonic acid or a salt thereof, and/or a sulphuric acid monoester or a salt thereof; - applying an electric potential between the first electrode E1 and the second electrode E2 so as to exfoliate graphene from the carbon starting material.