Table 1: Porosity of GNP, VA-GNP, and VA-GNP-PTFE film determined using low temperature nitrogen adsorption analysis. Sample specific surface area () and pore volume ()/size () were calculated using BET and QSDFT, respectively. Equivalent particle diameter () was determined using dynamic light scattering.

Sample (m2/g) (cm3/g) (nm) (nm)

Initial GNP7970.8070.785547
VA-GNP2940.3970.7231670
VA-GNP-PTFE2100.3010.852--