Chemical Society Reviews  Tutorial Review Hybrid energy storage: the merging of battery and supercapacitor chemistries D.P. Dubal,   O. Ayyad,   V. Ruiz and   P. Gómez-Romero* Chem. Soc. Rev., 2015,44, 1777-1790 DOI: 10.1039/C4CS00266K     Continue reading