Figure 4From: Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation Cyclic voltammetric curves for the electrooxidation of methanol (sweep rate: 50 mV s -1 , 0.5 mol L -1 H 2 SO 4 , 2 mol L -1 CH 3 OH, 298 K) with the following electrocatalysts. (a) graphene; (b) graphene/Au@Pt NRs; (c) graphene/Au@Pt0.34Ag0.66 NRs; (d) graphene/Au@Pt0.57Ag0.43 NRs; (e) graphene/Au@Pt0.64Ag0.36 NRs.Back to article page