Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.

University of Michigan

Burghardt Kloeden

Levi T Thompson

Paul G Rasmussen

Gunnar Walther

In accordance with an embodiment of the disclosure, a method of making a supercapacitor includes impregnating a foam electrode substrate with an active material precursor, wherein the foam electrode substrate includes a plurality of pores and the active material precursor is dispersed into the pores. The method further includes reacting the active material precursor infiltrated foam substrate with a reductant under conditions sufficient to convert the active material precursor to an active material, wherein the active material is based on a nitride, an oxynitride, a carbide, or an oxycarbide of a metal selected from Groups III, IV, V, VI, or VII of the Periodic Table.

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Dresden, Germany

Burghardt Kloeden