Immediately after disassembly, all the components of the cell were measured to account for solvent lost via evaporation. The jellyroll mass included any electrolyte still present and that lost during disassembly. The remaining solvent was evaporated to obtain a total electrolyte mass of 3.33 g. For the electrolyte assumed in this investigation, 1 mol dm -3 LiPF6 in 3:7 EC:EMC (v:v), this corresponded to a salt content of 0.47 g, and a total electrolyte mass of 3.80 g. It was assumed this salt content was equally distributed within the separator and electrode coatings, these contributions were subtracted from the components. The mass of the separator, positive electrode, and negative electrode windings were 1.96 g, 28.96 g, and 22.36 g. After delaminating the coatings, the black mass of the individual components was evaluated. The volumetric contribution of each component could then be calculated, these are outlined in Table , with the densities of copper, aluminium, the stainless steel cell casing, and the electrolyte taken from literature.