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

Figure 4

Initial discharge curves of (A) pristine, (B) Ni-doped, (C) Co-doped, and (D) Co-/Ni-doped LiMnPO₄ at current density of (a) C/20 and (b) 10 C.

(a)

(b)