SiO2-Based Lithium-Ion Battery Anode Materials: A Brief Review

Abstract

SiO₂ has piqued the interest of researchers as an anode material for lithium-ion batteries (LIBs) due to its numerous properties, including high theoretical capacity (1950 mA h g⁻¹), availability in large quantities, environmental friendliness, cost effectiveness, and ease of fabrication. In this study, we examined recent advances in silicon dioxide-based anode materials in a nutshell. Initially, we addressed the chemical reaction mechanism of SiO₂ with metallic lithium, as well as the benefits and drawbacks of the compounds obtained from this chemical reaction. Additionally, we addressed silicon dioxide anode issues throughout the alloying and de-alloying process by reviewing a variety of methods for confronting these issues, including prelithiation, coating silicon dioxide with carbonaceous and other oxides, and nanostructured or porous silicon dioxide-based materials. Furthermore, we briefly summarized the effects of binder and conductive additives on the performance of LIBs. Finally, we discussed the future prospects and some personal perspectives on SiO₂-based anode materials. We anticipate that our evaluation will assist researchers in identifying more appropriate silica-based anode materials for low-cost LIBs and other metal-ion-based batteries.