Recent progress in Si/Ti₃C₂T_x MXene anode materials for lithium-ion batteries

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Cardiovascular diseases (CVDs) necessitate continuous monitoring via wearable devices.
• Wearable devices require efficient portable energy storage, such as lithium-ion batteries (LIBs).
• High-energy-density LIBs are crucial for durable and consistent physiological signal monitoring.

Purpose of the Study:

• To review silicon-based anodes for LIBs, highlighting their potential and challenges.
• To explore the advantages of two-dimensional transition metal carbide (MXene) materials.
• To examine recent advancements in Si/Ti3C2Tx MXene anode materials for high-energy LIBs.

Main Methods:

• Systematic review of silicon anode properties and challenges.
• Analysis of MXene material characteristics, including structure, conductivity, and ion transport.
• Discussion of synthesis methods for Si/Ti3C2Tx MXene nanocomposites.

Main Results:

• Silicon anodes offer high theoretical capacity but suffer from volume expansion and slow kinetics.
• MXenes provide unique structural, conductive, and ion-transport advantages for anodes.
• Si/Ti3C2Tx MXene composites show promise for enhancing LIB performance.

Conclusions:

• Si/Ti3C2Tx MXene nanocomposites are a promising direction for next-generation high-energy LIBs.
• Further research into synthesis methods is needed to overcome challenges in creating these advanced materials.
• This review provides a foundation for designing superior materials for energy storage in wearable health devices.