Recent progress in biomass-derived carbonaceous composites for enhanced microwave absorption

Area of Science:

• Materials Science
• Nanotechnology
• Electromagnetics

Background:

• Growing electromagnetic pollution from 5G networks necessitates advanced microwave absorbing materials.
• Stealth technology in national defense requires efficient electromagnetic wave attenuation solutions.

Purpose of the Study:

• To review recent advances in designing carbonaceous microwave absorbing materials from biomass.
• To emphasize biomass categories, synthetic methods, and structural design for enhanced performance.

Main Methods:

• Analysis of 3D interconnected carbon networks derived from various biomass sources.
• Discussion of functionalization, pore-forming strategies, and composite fabrication.
• Exploration of nature fiber-derived carbon materials for flexible applications.

Main Results:

• Biomass-derived carbon materials present an environmentally friendly, cost-effective, and sustainable alternative to traditional methods.
• Tailoring biomass selection, synthesis, and structure optimizes microwave absorption properties.
• Nature fibers offer potential for wearable and flexible electromagnetic wave absorbing applications.

Conclusions:

• Biomass-derived carbon materials are promising for effective electromagnetic wave absorption.
• Further research is needed to address current challenges and unlock their full potential.
• Sustainable and efficient microwave absorbers are achievable through biomass utilization.