Recent Progress in Using Covalent Organic Frameworks to Stabilize Metal Anodes for Highly-Efficient Rechargeable...

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Alkali and multivalent metals are promising battery anodes due to high capacity and conductivity.
• Metal anode dendrites and unstable interfaces compromise battery safety and longevity.
• Covalent organic frameworks (COFs) offer tunable porous structures for advanced materials.

Purpose of the Study:

• To review the progress of COFs in stabilizing metal anodes for rechargeable batteries.
• To explore the advantages and challenges of metal anodes.
• To highlight COF applications in enhancing battery performance and safety.

Main Methods:

• Review of existing research on COFs for metal anodes.
• Analysis of COF applications including host design, artificial solid electrolyte interfaces, electrolyte additives, solid-state electrolytes, and separator modification.
• Discussion of metal anode properties and challenges.

Main Results:

• COFs effectively address dendrite formation and interface instability in metal anodes.
• COFs enhance battery safety and cycle stability through various stabilization strategies.
• Diverse COF applications demonstrate their versatility in battery technology.

Conclusions:

• COFs are crucial for developing stable and high-energy-density metal anode batteries.
• Future research should focus on COF molecular design, pore modulation, and synthesis for optimized performance.
• COF-based strategies offer a promising pathway for next-generation battery development.