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 May 26];21(2):280-5. Available from: http://ijap-iq.com/index.php/ijap/article/view/311