Study of the Most Relevant Aspects Related to Hard Carbons as Anode Materials for Na-ion Batteries, Compared with Li-ion Systems. - de la Llave, Ezequiel; Borgel, Valentina; Zinigrad, Ella; Chesneau, Frederick‐Francois; Hartmann, Pascal; Sun, Yang‐Kook; Aurbach, Doron (Israel Journal of Chemistry, 2015)