A Hierarchical Carbon Derived from Sponge‐Templated Activation of Graphene Oxide for High‐Performance Supercapacitor Electrodes. Issue 26 (3rd May 2016) - Xu, Jin
Abstract : A hierarchical porous carbon is fabricated by introducing a polyurethane sponge to a template graphene oxide into a 3D interconnected structure, while KOH activation generates abundant micropores in its backbone. Supercapacitors assembled with this carbon achieve a high energy density of 89 W h kg −1 (64 W h L −1 ) and outstanding power density due to the shortened ion‐transport distance in 3D.