219 - Tartakovsky (2009) 0.05 25 - 7 E-TEK (Gas diffusion electrode (GDE)) J-Cloth 0.3 6.3 3.9 Semi-pilot tubular MEC) Gil-Carrera 2 23 12 2 1 23 x 36.5 0.125 3 23 x 37 0.7 4 24 x 40 0.045 1