Types of Lithium Manganese Oxide cathodes define the material‑level taxonomy that underpins performance variations across applications. The baseline spinel LMO structure, characterized by a three‑dimensional lithium diffusion pathway, dominates bulk production due to its low synthesis cost and inherent safety; it accounts for roughly 55 % of LMO output. To address the modest energy density of spinel, manufacturers have introduced high‑voltage LMO (often denoted as LiNi0.5Mn1.5O4), which raises the operating plateau to 4.7 V and captures about 20 % of the market, primarily in high‑power EV and aerospace cells. Coated LMO variants, employing surface layers of Al₂O₃, SiO₂, or Li₃PO₄, mitigate electrolyte oxidation and extend cycle life, representing an estimated 15 % share and finding use in ESS where longevity is critical. Finally, nano‑structured LMO—including nanowire, nanoparticle, and hierarchical porous forms—enhances rate capability and thermal conductivity, contributing roughly 10 % of production for premium consumer‑electronics and niche industrial tools. This type‑based taxonomy clarifies how material engineering choices translate into differentiated market segments within the broader LMO landscape, reinforcing the relevance of precise market taxonomy.