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US 2020/0270135 A1Published application
Methods involving graphene and functionalized graphene
AssigneeMassachusetts Institute of Technology
InventorsTimothy Manning Swager, Yu Lin Zhong
Life of this patent
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Abstract
Embodiments relating to the synthesis and processing of graphene molecules are provided. In some cases, methods for the electrochemical expansion and/or functionalization of graphene molecules are provided. In some embodiments, one or more species may be intercalated between adjacent graphene sheets.
Claims27
A method, comprising:
- exposing first and second adjacent graphene sheets to a first species under a set of conditions which facilitates electrochemical intercalation of the first species between the first and second graphene sheets, producing an activated graphene material;
- and
- exposing the activated graphene material to a second species under a set of conditions which facilitates electrochemical intercalation of second species between the first and second adjacent graphene sheets of the activated graphene material,
- wherein the first species, intercalated between the first and second adjacent graphene sheets, facilitates intercalation of the second species between the first and second adjacent graphene sheets.
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21-29. (canceled)
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A method for synthesizing a functionalized graphene sheet, comprising:
- exposing first and second adjacent graphene sheets to a cationic species having a diameter of at least 3 Å under a set of conditions which facilitates electrochemical intercalation of the cationic species between the first and second adjacent graphene sheets, producing an activated graphene species;
- and
- reacting the activated graphene species with a functional group precursor to form a functionalized graphene molecule.
33-64. (canceled)
A method, comprising:
- exposing first and second adjacent graphene sheets to a cationic species under a set of conditions which facilitates electrochemical intercalation of the cationic species between the first and second adjacent graphene sheets, producing an activated graphene material,
- wherein, under said set of conditions, the cationic species, intercalated between the first and second adjacent graphene sheets, undergoes an electrochemical transformation to produce a neutral species.
66-97. (canceled)
Dependencies are inferred from the claim text.