The Effect of Activated Carb on Derived from Black Betel Leaf Biomass Waste as Composite Anodes on Lithium-Ion Battery ApplicationsWindhu Griyasti Suci, Anif Jamaluddin, Adama Dina Panuntun, Khikmah Nur Rikhy Stulasti, Rosana Budi Setyawati and Yazid Rijal AzinuddinE3S Web of Conf., 465 (2023) 01022DOI: https://doi.org/10.1051/e3sconf/202346501022