Morphology Effect on Enhanced Li⁺-Ion Storage Performance for Ni^2+/3+ and/or Co^2+/3+ Doped LiMnPO₄ Cathode Nanoparticles

Figure 2

SEM images of (a) pristine, (b) Ni-doped, (c) Co-doped, and (d) Co-/Ni-doped LiMnPO₄ powders.

(a)

(b)

(c)

(d)