Advancements in Hybrid Energy Storage Systems for Rural Electrification: A Comprehensive Case Study on Siwa Oasis in Egypt on Increasing Battery Longevity in Standalone PV Systems. - Khalid Alqunun; Nehad M. Khattab; Ismail Marouani; Kamel Tlijani; Mohamed Abdelhameed Zaky; Loay Mohamed Ali El-Sayed; Ahmed Ibrahim Omar; Badr M. Alshammari; Tawfik Guesmi; Ahmed Hussain Elmetwaly; Ramy Adel Younis (IEEE Access, 2025)