A Dual-Bioinspired Structural Design Enables Highly Efficient Microwave Absorption and Thermal Insulation in SiC Hybrid Aerogels

Key Points

• The aim is to develop multifunctional materials that effectively absorb microwave and infrared waves while providing thermal insulation.
• Designed hybrid aerogels using bioinspired principles from polar bear hair for structural efficiency.
• Evaluated microwave absorption and thermal insulation properties through experimental testing.
• Achieved over 90% absorption for microwave frequencies (8-12 GHz) with a specific design.Microwave absorption rate of 92% at 10 GHz, p<0.001.
• Demonstrated superior thermal insulation with a thermal conductivity below 0.03 W/m·K, leading to significant energy savings.