Wong, D.P.D.P.WongSuriyaprabha, R.R.SuriyaprabhaYuvakumar, R.R.YuvakumarRajendran, V.V.RajendranYIT-TSONG CHENHwang, B.-J.B.-J.HwangLI-CHYONG CHENChen, Kuei-HsienKuei-HsienChen2020-06-182020-06-18201420507488https://scholars.lib.ntu.edu.tw/handle/123456789/503232Rice husks, often neglected and considered as waste, contain constituents that could be of a potential use in advanced material applications. In this study, rice husks were used as a source of silicon dioxide for the synthesis of silicon nanoparticles (Si NPs) through magnesiothermic reduction process. The Si NPs were further used to prepare a binder-free composite system comprising Si NPs and graphene as an anode material for lithium ion battery system (LiBs). The composite system fabricated from rice husk-based Si NPs (RH-Si NPs) yielded an initial capacity of 1000 mA h g-1 at high applied current density of 1000 mA g-1. This study opens up the use of waste materials such as rice husk as a sustainable source of key components in advanced technology applications. This journal is © the Partner Organisations 2014.[SDGs]SDG7Anodes; Binders; Energy efficiency; Graphene; Silicon; Advanced materials; Advanced technology; Anode material for lithium ion batteries; Applied current; Energy efficient; Li-ion batteries; Magnesiothermic reduction; Silicon nanoparticles; Lithium batteriesjournal article10.1039/c4ta00940a2-s2.0-84905182443