Types segmentation disaggregates the Single-walled Carbon Nanotube for Battery market by functional and structural variants that influence performance and cost. Purified SWCNT material, typically >95 % carbon purity, commands the largest share because its minimal defect density maximizes electrical conductivity, directly impacting battery power output. Functionalized SWCNT—chemically modified with carboxyl, amine, or polymer groups—accounts for roughly 35 % of the market; functional groups improve dispersion in electrolyte matrices and enable covalent bonding with electrode binders, which reduces agglomeration and enhances mechanical stability. Aligned SWCNT films, produced through techniques such as Langmuir–Blodgett or shear‑force assembly, represent about 15 % of demand, offering anisotropic conductivity that benefits high‑rate discharge applications. Finally, Randomly oriented SWCNT powders, the most cost‑effective form, serve roughly 10 % of the market, primarily in low‑cost lithium‑ion cells where modest conductivity improvements suffice. This market taxonomy highlights how each type’s technical attributes map to distinct value propositions, shaping overall market dynamics.