CNTs and graphene as conducting electrodes. a, Touch screen using yarned CNT film from vertically aligned CNTs. Adapted with permission . b, Li-ion battery using CVD graphene as an electrode. Reproduced with permission . Copyright 2012, American Chemical Society. c, Comparison of the properties (bending angle vs sheet resistance, and transmittance vs sheet resistance) of CNT- and graphene-based TCF with ITO film. Adapted with permission . d, Mechanical advantage of SWCNT/graphene hybrid electrode. Reproduced with permission . Copyright 2011, American Chemical Society.