Improved Electrochemical Performance of Li_1.25Ni_0.2Co_0.333Fe_0.133Mn_0.333O₂ Cathode Material Synthesized by the Polyvinyl Alcohol Auxiliary Sol-Gel Process for Lithium-Ion Batteries

Figure 3

Variation of (a) lattice parameters a and c and (b) lattice volume V of the pristine sample and PVA-auxiliary samples, where x is the PVA content.

(a)

(b)