Waste Rambutan-Derived Porous Carbon Materials Applied to Supercapacitors Wenbo Liu, Xiaowen Yu, Hanhan Wang, Wanyi Liao, Cong Yong and Wei Liao E3S Web Conf., 580 (2024) 01003 Published online: 23 October 2024 DOI: 10.1051/e3sconf/202458001003