Figure . Cumulative irreversibilities due to electrolyte decomposition for silicon nanoparticle electrodes cycled with a lithiation voltage cutoff of 50-80 mV using CCCV protocol, as indicated in the legend. Cycles 1-3 were performed at a charging rate of 200 mA/g with subsequent cycles at 600 mA/g. All cells were delithiated to 1.5 V using CC protocol.