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Physical Review B
Graphene holds promise as an ultracapacitor due to its high specific surface area and intrinsic capacitance. To exploit both, a maximum surface area must be accessible while the two-dimensional (2D) graphene is deformed to fill volume. Here, we study stable crumpled graphene sheets of different lengths, L, using full atomistic molecular dynamics (MD) and determine a fractal dimension of D ∼ = 2.36 ± 0.12, indicating efficient spatial packing. Introduction of defects inducing a transition fromdoi:10.1103/physrevb.84.205451 fatcat:yanu4s736ngr7bl5yhlm7fj5yy