keywords CARBON-NANOTUBE Chemistry Chemistry, Multidisciplinary Energy & Fuels Engineering Engineering, Chemical Environmental Sciences Environmental Sciences & Ecology FOAM-LIKE GRAPHENE FUNCTIONALIZED GRAPHENE HIGH ELECTROCATALYTIC ACTIVITY HIGH-PERFORMANCE SUPERCAPACITOR HIGH-YIELD PRODUCTION LIQUID-PHASE EXFOLIATION LITHIUM ION BATTERIES Life Sciences & Biomedicine NITROGEN-DOPED GRAPHENE Physical Sciences REDUCED GRAPHENE Science & Technology Technology