Table 1. Physical properties of different 3D printed graphene aerogel formulations.

Ink formulation	Aerogel density (mg cm−3)	BET surface area (m2 g−1)	Pore volume (cm3 g−1)	Conductivity (S m−1)
20 mg ml−1 GO	31	1,066	4.1	87
40 mg ml−1 GO	60	955	3.8	198
40 mg ml−1 GO with R–F	123	704	2.5	278

BET, Brunauer–Emmett–Teller; 3D, three-dimensional; GO, graphene oxide; R–F, resorcinol–formaldehyde.