Large-scale Li-ion doped graphene/carbon nanofiber porous architectures were prepared by electrospinning homogeneous LiNO3/graphene oxide/polyacrylonitrile nanofibers, followed by carbonization at 900 degrees C. Capacitive de-ionization was measured in a dynamic mode. The architectures show excellent electrical adsorption, which is enhanced by the incorporation of LiC6 and graphene with a higher electro-adsorption capacity and a faster adsorption rate due to the large surface area (393.64 m(2) g(-1)) and good conductivity.(C) 2015 Elsevier B.V. All rights reserved.