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<p>The adoption of lithium-ion batteries (LIBs) in electric vehicle (EV) propulsion has highlighted their exceptional properties, including light weight, high-energy storage capability, long life cycle, high performance, and eco-friendliness. LIBs store energy through electrochemical reactions, and recent research has focused on SiO<sub>2</sub> as a potential anode electrode material due to its higher theoretical specific capacity. However, challenges such as poor electrical conductivity and high volume expansion have hindered its real-world applications. Current research is focused on developing SiO<sub>2</sub>-based composite anodes to overcome these challenges. This study aims to explore innovative strategies for improving the electrochemical performance of SiO<sub>2</sub>-based materials and understanding their lithium storage mechanism and degradation behavior. Additionally, the study delves into the effect of prelithiation on the discharge efficiency and long-term cycling performance of SiO<sub>2</sub>-based composite anodes. Finally, it highlights current bottlenecks and presents ways to address them for further improvement.</p>

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Review of SiO2-Based Composite Anode Electrode Materials for High-Energy Storage Lithium-Ion Batteries: Challenges and Recommendations for Future Development

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年4月20日

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  • Nkerefi Nkereuwem Etuk,
  • Abimbola Patricia Idowu Popoola,
  • Olawale Mohammed Popoola,
  • Uwa Orji Uyor,
  • Victor Ekene Ogbonna

摘要

The adoption of lithium-ion batteries (LIBs) in electric vehicle (EV) propulsion has highlighted their exceptional properties, including light weight, high-energy storage capability, long life cycle, high performance, and eco-friendliness. LIBs store energy through electrochemical reactions, and recent research has focused on SiO2 as a potential anode electrode material due to its higher theoretical specific capacity. However, challenges such as poor electrical conductivity and high volume expansion have hindered its real-world applications. Current research is focused on developing SiO2-based composite anodes to overcome these challenges. This study aims to explore innovative strategies for improving the electrochemical performance of SiO2-based materials and understanding their lithium storage mechanism and degradation behavior. Additionally, the study delves into the effect of prelithiation on the discharge efficiency and long-term cycling performance of SiO2-based composite anodes. Finally, it highlights current bottlenecks and presents ways to address them for further improvement.