Multifunctional Conductive MXene Binders for Battery and Supercapacitor Electrodes

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Electrode binders are crucial for adhering active materials and conductive additives to current collectors in energy storage systems (ESSs).
• Evolving ESS technologies demand binders with enhanced functionalities beyond simple adhesion.
• Traditional polymer binders often have limitations in meeting these advanced requirements.

Purpose of the Study:

• To provide a comprehensive overview of recent advances in using multifunctional two-dimensional Ti3C2Tx MXene as a binder for electrode fabrication in ESSs.
• To discuss the advantages, multifunctionalities, and energy storage applications of MXene binders in combination with various active materials.
• To highlight the structure-activity relationships, challenges, and future perspectives of MXene binders.

Main Methods:

• Review of recent literature on Ti3C2Tx MXene as an electrode binder.
• Analysis of MXene's unique properties (electrical conductivity, mechanical strength, flexibility, surface chemistry, electrochemical activity).
• Discussion of fabrication strategies and performance improvements in diverse ESSs.

Main Results:

• MXene binders offer superior adhesion, mechanical integrity, and electrical conductivity compared to traditional binders.
• The intrinsic properties of MXene significantly enhance electrode performance, including capacity, rate capability, and cycling stability.
• MXene binders demonstrate versatility across various active materials and ESS applications.

Conclusions:

• Ti3C2Tx MXene is a highly promising multifunctional binder for advanced electrode fabrication in next-generation ESSs.
• Further research into MXene binder systems can lead to breakthroughs in high-performance energy storage.
• MXene binders represent a significant advancement over conventional materials, offering improved efficiency and longevity.