MXene-Based Micro-Supercapacitors: Ink Rheology, Microelectrode Design and Integrated System

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• MXenes possess excellent properties like high conductivity and tunable spacing for micro-supercapacitors (MSCs).
• Their surface charge and hydrophilicity enable diverse solution processing methods.
• A comprehensive review on solution-processed MXene MSCs is currently lacking.

Purpose of the Study:

• To provide a comprehensive review of the state-of-the-art in solution-processed MXene MSCs.
• To summarize advancements in ink rheology, microelectrode design, and integrated systems for MXene MSCs.
• To discuss challenges and future prospects for high-performance MXene MSCs.

Main Methods:

• Review and synthesis of existing literature on MXene-based MSCs.
• Analysis of ink formulation and rheological properties for solution processing.
• Discussion of electrode design, material composition, and device integration strategies.

Main Results:

• Detailed presentation of MXene ink rheology for various processing techniques.
• Exploration of MXene compounds, 3D structures, and asymmetric designs impacting electrochemical performance.
• Summary of integrated systems, intelligent applications, and performance metrics of MXene MSCs.

Conclusions:

• Solution processing offers versatile strategies for fabricating high-performance MXene MSCs.
• Optimizing ink rheology, electrode architecture, and device integration is crucial.
• Further research is needed to address current challenges and unlock the full potential of MXene MSCs for advanced energy storage.