The Battery Grade Ethyl Methyl Carbonate segmentation by application delineates four primary end‑use categories: Lithium‑ion batteries, Nickel‑metal hydride (NiMH) batteries, Lead‑acid batteries, and Other applications such as flow and solid‑state cells. Lithium‑ion batteries dominate the market, accounting for roughly 70 % of total demand, driven by rapid EV adoption and portable electronics growth. NiMH batteries, largely used in hybrid electric vehicles and power‑tool markets, contribute about 15 % and are sensitive to cost‑competitiveness relative to lithium technology. Lead‑acid batteries, still prevalent in automotive starter and backup power systems, represent approximately 10 % of the market, with demand constrained by declining vehicle production and stricter emissions standards. The residual 5 % classified as Other applications captures emerging chemistries and niche sectors, where EMC serves as a co‑solvent or electrolyte additive. Each application segment influences overall market size through distinct volume requirements, purity specifications, and pricing dynamics, collectively shaping supply chain allocation and investment priorities.