Structural Origins of Potential Dependent Hysteresis at the Electrified Graphene/Ionic Liquid Interface Graphene Times, 19 Dec 2013 Ahmet Uysal, Hua Zhou, Guang Feng, Sang Soo Lee, Song Li, Paul Fenter, Peter T. Cummings, Pasquale F. Fulvio, Sheng Dai, John K.