Nano-structured silicon and silicon based composites as anode materials for lithium ion batteries: recent progress and perspectives

There is growing worldwide interest in developing lithium ion batteries with high energy densities and longer cycle life. In recent years, rechargeable lithium ion batteries have become important alternative power sources. Silicon has been regarded as one of the most promising anode materials for ne...

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Bibliographic Details
Published in:Sustainable energy & fuels 2022-02, Vol.6 (4), p.114-15
Main Authors: Bitew, Zelalem, Tesemma, Mulugeta, Beyene, Yonas, Amare, Meareg
Format: Article
Language:English
Subjects:
Anode effect
Anodes
Batteries
Binders
Composite materials
Construction
Electrical conductivity
Electrical resistivity
Electrochemical analysis
Electrochemistry
Electrode materials
Fabrication
Ions
Lithium
Lithium-ion batteries
Performance enhancement
Power sources
Rechargeable batteries
Silicon
Solid electrolytes
Structural design
Structural engineering
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Summary:There is growing worldwide interest in developing lithium ion batteries with high energy densities and longer cycle life. In recent years, rechargeable lithium ion batteries have become important alternative power sources. Silicon has been regarded as one of the most promising anode materials for next-generation lithium-ion batteries instead of graphite, due to its high theoretical capacity, higher stability, abundant availability, and environment friendliness. However, successful implementation of silicon based anodes in lithium ion batteries is hindered by the severe volume change, unstable solid electrolyte interface formation, and low electrical conductivity of Si. Construction of silicon nanostructures and fabrication of silicon composites are effective methods to enhance the electrochemical performance of Si anodes. Thus, a series of silicon based materials have been extensively studied to address these challenges. This review article a brief overview of the fundamental understanding of silicon-based anodes, and recent progress in the structural design of silicon architectures, construction of silicon-based composites, electrochemical performances and other performance enhancement factors including electrolytes and binders. There is growing worldwide interest in developing lithium ion batteries with high energy densities and longer cycle life.
ISSN:2398-4902
2398-4902
DOI:10.1039/d1se01494c