NFPP Polyanionic Sodium-Ion Battery Pouch Dry Cell is a lithium-free, cobalt-free energy storage solution designed for advanced R&D applications. Built with a sodium ferric pyrophosphate (Na₄Fe₃(PO₄)₂P₂O₇) cathode and hard carbon anode, this dry (unfilled) pouch cell delivers outstanding structural stability and long cycle life, achieving approximately 91% capacity retention after 3000 cycles at 1C.