Palladium-Gold Nanoalloy Surface Modified LiMn₂O₄ Cathode for Enhanced Li-Ion Battery

Figure 5

Impedance spectra of Li[PdAu]_0.02Mn_1.98O₄ (c), Li[Au]_0.02Mn_1.98O₄ (b), and LiMn₂O₄ (a) measured at 4.5 V.