Facile synthesis of porous Fe3O4/C composites derived from waste residues of soybean and electrolytic manganese for superior electromagnetic wave absorption

Key Points

• Superior electromagnetic wave absorption is achieved with the synthesized Fe3O4/C composites, indicating significant potential for practical applications.
• The synthesis involves using waste residues from soybean and electrolytic manganese, highlighting an eco-friendly approach.
• Composites display unique porous structures, which are essential for enhanced performance in wave absorption applications.
• Findings suggest that utilizing waste materials could pave the way for sustainable development in materials science.