Influence of Lithium Sulfide Weight Ratio on Optical and Electrical Properties of Blend Solid Electrolytes Based on Chitosan/Polyvinylpyrrolidone. IJAP [Internet]. 2025 Mar. 31 [cited 2026 Jul. 21];21(2):280-5. Available from: https://ijap-iq.com/index.php/ijap/article/view/311