Fig. 10: Morphology and elemental mapping of manganese-based lithium adsorbents.

TEM images of a MnO₂ nanorod. Adapted from Zandevakili et al.¹⁰⁶; b Li_1.33Mn_1.67O₄ with different particle shapes; c EELS mapping of Li_1.33Mn_1.67O₄ after lithiation in oilfield brine. Adapted from Seip et al.²⁸.