Battery Separator Market Size, Share & Industry Analysis, By Material (Polyolefin, Coated Polyolefin, Specialty polymers, Glass Fibers, and Others), By Technology (Single Layer, Multi-Layer, Coated, and Others), By Battery Chemistry (Lithium-Ion, Lead Acid, Nickel-Based, and Others), By End-User (Electric Vehicles {BEV and PHEV}, Energy Storage System {Grid-Scale and Commercial & Industrial}, Consumer Electronics, Industrial {Power Tools, Forklifts, and Telecom Backup}, Automotive Lead Acid, and Others), and Regional Forecast, 2026-2034