The development of multifunctional materials and synergistic applications of various functions are important conditions for integrated and miniaturized equipment. Here, we developed asymmetric MXene/aramid nanofibers/polyimides (AMAP) aerogels with different modules using an integrated molding process. Cleverly asymmetric modules (layered MXene/aramid nanofibers section and porous MXene/aramid nanofibers/polyimides section) interactions are beneficial for enhanced performances, resulting in low reflection electromagnetic interference (EMI) shielding (specific shielding effectiveness of 2483 (dB·cm3)/g and a low R-value of 0.0138), high-efficiency infrared radiation (IR) stealth (ultra-low thermal conductivity of 0.045 W/(m·K) and IR emissivity of 0.32 at 3–5 μm and 0.28 at 8–14 μm), and excellent thermal management performances of insulated Joule heating. Furthermore, these multifunctional AMAP aerogels are suitable for various application scenarios such as personal and building protection against electromagnetic pollution and cold, as well as military equipment protection against infrared detection and EMI.
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Research Article
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Nano Research 2024, 17(4): 3359-3368
Published: 30 September 2023
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