Graphene-supported metal oxide monolith
AssigneeLawrence Livermore National Security, LLC
InventorsMarcus A. Worsley, Theodore F. Baumann, Juergen Biener, Monika A. Biener, Yinmin Wang, Jianchao Ye, Elijah Tylski
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Abstract
A composition comprising at least one graphene-supported metal oxide monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds, wherein the graphene sheets are coated by at least one metal oxide such as iron oxide or titanium oxide. Also provided is an electrode comprising the aforementioned graphene-supported metal oxide monolith, wherein the electrode can be substantially free of any carbon-black and substantially free of any binder.
Claims35
A composition comprising at least one graphene-supported metal oxide monolith, said monolith comprising (i) a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and (ii) at least one metal oxide embedded inside said three-dimensional network.
(canceled)
A method comprising:
- providing a graphene aerogel monolith;
- immersing said graphene aerogel monolith in a solution comprising at least one metal salt to form a mixture;
- curing said mixture to obtain a gel;
- heating said gel to obtain a graphene-supported metal oxide monolith.
-27. (canceled)
A method, comprising:
- providing a porous graphene aerogel monolith;
- and
- depositing at least one metal oxide within the porous graphene aerogel monolith by atomic layer deposition to obtain a graphene-supported metal oxide monolith.
A device comprising at least one graphene-supported metal oxide monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds, wherein the graphene sheets are coated by at least one metal oxide.
Dependencies are inferred from the claim text.