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AssigneeLawrence Livermore National Security, LLC
InventorsPatrick G. Campbell, Theodore F. Baumann, Juergen Biener, Matthew Merrill, Elizabeth Montalvo, Marcus Worsley, Monika M. Biener, Maira Raquel Ceron Hernandez
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Disclosed here is a method for producing a graphene macro-assembly (GMA)-fullerene composite, comprising providing a GMA comprising a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and incorporating at least 20 wt. % of at least one fullerene compound into the GMA based on the initial weight of the GMA to obtain a GMA-fullerene composite. Also described are a GMA-fullerene composite produced, an electrode comprising the GMA-fullerene composite, and a supercapacitor comprising the electrode and optionally an organic or ionic liquid electrolyte in contact with the electrode.
A composition comprising a graphene macro-assembly (GMA)-fullerene composite, wherein the GMA-fullerene composite comprises a GMA comprising a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and at least 20 wt.% of at least one fullerene compound incorporated into the GMA based on the weight of the GMA.
Dependencies are inferred from the claim text.