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Abstract:
Silicon (Si) is considered as one of the most promising anode materials for advanced lithium-ion batteries due to its high theoretical capacity, environmental friendliness, and widespread availability. However, great challenges such as volumetric expansion, limited ionic/electronic conductivity properties and complex manufacturing processes hinder its practical applications. Herein, a novel plasma-enhanced reduced graphene oxide fibers/Si (PrGOFs/Si) composite anode is first proposed by using wet-spinning technology followed by plasma-enhanced reduction method. The PrGOFs provide large space to accommodate the volume expansion of Si nanoparticles (SiNPs) by forming a flexible 3D conductive network. Compared to the conventional thermally reduced graphene oxide fibers/Si (TrGOFs/Si) sample, the PrGOFs/Si anodes demonstrate higher conductivity, specific surface area, and superior fabrication efficiency. Accordingly, the PrGOFs/Si anodes exhibit a reversible capacity of 698.3 mAh/g, and maintain a specific capacity of 602.5 mAh/g at a current density of 200 mA/g after 100 cycles, superior to conventional TrGOFs/Si counterparts. This research presents a novel strategy for the preparation of high-performance Si/carbon anodes for energy storage applications. © 2024
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Chinese Chemical Letters
ISSN: 1001-8417
Year: 2024
Issue: 11
Volume: 35
9 . 4 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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