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Simplified Synthesis of Biomass‐Derived Si/C Composites as Stable Anode Materials for Lithium‐Ion Batteries by Muhammad K. Majeed; Adil Saleem; Chunsheng Wang; Chunhua Song; Jian Yang is a Chemistry article available to read on EtoBox.

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## Abstract Synthesis of silicon/carbon (Si/C) composites from biomass resources could enable the effective utilization of agricultural products in the battery industry with economical as well as environmental benefits. Herein, a simplified process was developed to synthesize Si/C from biomass, by using a low‐cost agricultural byproduct “rice husk (RH)” as a model. This process includes the calcination of RH for SiO~2~/C and the reduction of SiO~2~/C by Al in molten salts at a moderate temperature. This process does not need the removal of carbon before thermal reduction of SiO~2~, which is thought to be necessary to avoid the formation of SiC at elevated temperatures. Thus, carbon derived from biomass can be directly used for Si/C composites for anode materials. The resultant Si/C shows a high reversible capacity of 1309 mAh g^−1^ and long cycle life (300 cycles). This research advocates a new and simplified strategy for the synthesis of RH‐based biomass‐derived Si/C, which is beneficial for low‐cost, environmentally friendly, and green energy storage applications.

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Author

Muhammad K. Majeed; Adil Saleem; Chunsheng Wang; Chunhua Song; Jian Yang

Publisher

Wiley

Published

2020

Language

EN

Field

Chemistry (Physical Sciences)