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SCAFFOLD-FREE 3D POROUS ELECTRODE AND METHOD OF MAKING A SCAFFOLD-FREE 3D POROUS ELECTRODE

United States Patent Application

20160351886
A1
View the Complete Application at the US Patent & Trademark Office
A scaffold-free 3D porous electrode comprises a network of interconnected pores, where each pore is surrounded by a multilayer film including a first layer of electrochemically active material, one or more monolayers of graphene on the first layer of electrochemically active material, and a second layer of electrochemically active material on the one or more monolayers of graphene. A method of making a scaffold-free 3D porous electrode includes depositing one or more monolayers of graphene onto a porous scaffold to form a graphene coating on the porous scaffold, and depositing a first layer of an electrochemically active material onto the graphene coating. The porous scaffold is removed to expose an underside of the graphene coating, and a second layer of the electrochemically active material is deposited onto the underside of the graphene coating, thereby forming the scaffold-free 3D porous electrode.
Braun, Paul V. (Savoy, IL), Liu, Jinyun (Urbana, IL)
15/ 163,003
May 24, 2016
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under contract number DE-FG02-07ER46471 awarded by the Department of Energy. The government has certain rights in the invention.