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Updated: May 9, 2025

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

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Published on: January 20, 2023

Silicon anode modification strategies in solid-state lithium-ion batteries.

Yang Deng¹, Xiaohan Feng¹, Zhonglin Qian¹

¹School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, P. R. China.

Materials Horizons

|May 1, 2025

Summary

Solid-state lithium-ion batteries (LIBs) are advancing with silicon anodes for improved safety and capacity. This study explores strategies like varying silicon morphology and creating composites to overcome silicon

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Last Updated: May 9, 2025

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Solid-state electrolytes offer enhanced safety and energy density in lithium-ion batteries (LIBs) compared to liquid electrolytes.
Conventional solid-state lithium-ion batteries (SSLIBs) using lithium metal anodes face safety and waste management challenges.
Silicon is a promising anode material for SSLIBs due to its high theoretical capacity, safety, and low cost.

Purpose of the Study:

To comprehensively review the application and optimization of silicon anodes in SSLIBs.
To propose strategies for enhancing silicon anode performance and lifespan in SSLIBs.
To address challenges associated with silicon anode volume expansion and poor electrolyte contact.

Main Methods:

Review of existing literature on silicon anode modifications for SSLIBs.
Analysis of strategies including silicon morphology control, amorphous silicon formation, and silicon composite development.
Focus on preventing silicon degradation and extending cycle life.

Main Results:

Silicon anodes show great potential but suffer from poor conductivity and cycle performance due to volume expansion.
Optimized silicon anodes are crucial for achieving the expected capacity and stability in SSLIBs.
Various modification strategies are being explored to improve silicon anode integration and performance.

Conclusions:

Further optimization of silicon anodes is essential for the advancement of SSLIB technology.
Strategies focusing on silicon morphology, amorphous structures, and composites can mitigate performance limitations.
Optimized silicon anodes will enable wider applications of high-performance, safe lithium-ion batteries.