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

Figure 1

(a) The XRD spectra of (A) pristine, (B) Ni-doped, (C) Co-doped, and (D) Co-/Ni-doped LiMnPO₄ powders. (b) Co 2p and Ni 2p XPS spectra of Co-/Ni-doped LiMnPO₄.

(a)

(b)