Recent Progress on Two-Dimensional Nanoflake Ensembles for Energy Storage Applications

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Two-dimensional (2D) nanoflake ensembles possess advantageous properties like high surface area, conductivity, and stability.
• These characteristics make them promising for electrochemical energy storage electrodes.
• Recent advancements explore three-dimensional (3D) architectures to further boost performance.

Purpose of the Study:

• To review recent progress in 2D nanoflake ensemble materials for energy storage.
• To highlight applications in supercapacitors, lithium-ion batteries, and sodium-ion batteries.
• To discuss future challenges and opportunities in this field.

Main Methods:

• Literature review of recent research on 2D nanoflake ensemble materials.
• Analysis of material properties relevant to energy storage.
• Synthesis and characterization techniques for 2D and 3D architectures were considered.

Main Results:

• 2D nanoflake ensembles demonstrate excellent potential as electrode materials.
• 3D architectures built from 2D ensembles show enhanced active sites and improved device performance.
• The review covers advancements in supercapacitors, lithium-ion batteries, and sodium-ion batteries.

Conclusions:

• 2D nanoflake ensembles are highly suitable for advanced energy storage.
• Transitioning to 3D architectures offers significant performance gains.
• Further research is needed to overcome challenges and capitalize on opportunities in this area.