| abstract |
The present invention is a method for preparing an electrochemical cell of at least one of graphene, a graphite nanoplatelet nanoplate structure and graphene, the cell comprising: (a) a cathode, ; (b) a cathode which may be graphite or another material; And (c) as the electrolyte, an ionic liquid (i); Deep eutectic solvent (ii); (I), (ii), (iii), and (iv), wherein said at least one ion species is selected from the group consisting of: Wherein the amount of the electrolyte is greater than 50% by weight based on the total weight of the electrolyte; Wherein the electrolyte comprises a mixture of different cations; The method includes the step of exfoliating the graphite cathode by passing current through the cell to intercalate ions into the graphite cathode. |