Electrically-conductive ink compositions comprising: (i) a particulate, electrically-conductive material; (ii) a carrier liquid; (iii) a polymer binder; and (iv) a microcrystalline cellulose component; methods comprising: (a) providing a substrate; (b) providing an electrically-conductive ink formulation comprising (i) a particulate, electrically-conductive material; (ii) a carrier liquid; (iii) a polymer binder; and (iv) a microcrystalline cellulose component; and (c) forming an electrically-conductive trace on a surface of the substrate; and articles comprising a substrate having a surface and an electrically-conductive trace formed on the surface of the substrate, wherein the electrically-conductive trace comprises: (a) a particulate, electrically-conductive material; (b) a polymer binder; and (c) a microcrystalline cellulose component are described.