US Patent 9878302 Graphene and carbon nanotube compositions

Compositions having carbon nanotubes and two or more graphene sheets are disclosed. The carbon nanotubes can be interposed between the graphene sheets within the composition. Applicants have surprisingly found that, in some embodiments, these compositions exhibit superior absorbent and/or electrical properties. The present application also includes methods of making and using these compositions, and capacitors including these compositions.