Influence of Lithium Salts on Optical Properties, FTIR Analysis, and AC Conductivity of PVP/PVA Blends for Solid Polymer Electrolyte Applications. IJAP [Internet]. 2026 Jun. 30 [cited 2026 Jun. 30];22(3):462-7. Available from: https://ijap-iq.com/index.php/ijap/article/view/547