Top-Down Synthesis of Silicon/Carbon Composite Anode Materials for Lithium-Ion Batteries: Mechanical Milling and Etching.

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ID: 82733
2020
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Abstract
Lithium-ion batteries (LIBs) providing higher energy and power densities, as well as long cycle life are in high demand for various applications. Benefitting from its high theoretical specific charge capacity of ∼4200 mAh g -1 and natural abundance, silicon (Si) is nowadays considered as one of the most promising anode candidates for high-energy-density LIBs. However, its huge volume change during cycling prevents its widespread commercialization. Si/C-based electrodes, fabricated through top-down mechanical-milling technique and etching, could be particularly promising since they can adequately accommodate the Si volume expansion, buffer the mechanical stress and ameliorate the interface/surface stability. In this review, we aim to summarize the current progresses in the top-down synthesis of Si/C anode materials for LIBs from inexpensive Si sources via the combination of low-cost, simple, scalable and efficient ball-milling, and etching processes. Various Si precursors as well as etching routes are highlighted in this review. We hope this review would be a guide for fabricating high-performance Si-based anodes.
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nzabahimana2020topdownchemsuschem Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Nzabahimana, Joseph;Liu, Zhifang;Guo, Songtao;Wang, Libin;Hu, Xianluo;
Journal ChemSusChem
Year 2020
DOI
10.1002/cssc.201903155
URL
Keywords
silicon etching lithium-ion battery anodes mechanical milling top-down synthesis

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