%0 Journal Article %B Physical Chemistry Chemical Physics %D 2016 %I "The Royal Society of Chemistry" %P 9344-9348 %R 10.1039/C5CP07782F %T Structural transformation during Li/Na insertion and theoretical cyclic voltammetry of the δ-NH4V4O10 electrode: a first-principles study %U http://dx.doi.org/10.1039/C5CP07782F %V 18