Dual-Nanofiber Aerogel

Dual Thermal & Acoustic

A 3D-printed aramid/cellulose nanofiber network integrates thermal insulation and broadband sound absorption in one customizable material.

Yichao, Yu · Yinxiao, Jia · Xiaoxiao, Lin · Mingkun, Zhang · Wang, Sisi · Weiling, Zhu · Jiang, Shaohua · Jiahui, Shen · Zheng, Jiajia · Hu, Zhonglue · Chen, Yiming

Chemical Engineering Journal 2026

Specifications

Thermal conductivity

{'zh': '0.043', 'en': '0.043'} W/(m·K)

Average sound absorption coefficient

{'zh': '0.7', 'en': '0.7'}

Reduction in electronic device operating temperature

{'zh': '8', 'en': '8'} °C

Filament width uniformity deviation

{'zh': '8.9', 'en': '8.9'} %

Advantages

One material, two jobs

The hierarchical porous architecture simultaneously achieves low thermal conductivity and broadband sound absorption, eliminating the need for separate insulation and acoustic layers and simplifying system integration.

Shape is customizable

The precisely tailored rheology of the composite ink enabled high-fidelity 3D printing, achieving a filament width uniformity deviation as low as 8.9%, allowing on-demand customization of complex geometries.

Cools electronics effectively

In practical use, the integrated aerogel reduces the operating temperature of an electronic device by 8 °C, directly mitigating overheating.

Applications

• Electronic Thermal Management：Cuts electronic device operating temperature by 8 °C, preventing overheating and throttling.
• Building Acoustics：With an average absorption coefficient above 0.7, it absorbs broadband noise to improve indoor acoustics.
• Aerospace Insulation：Lightweight and customizable thermal insulation for spacecraft thermal protection and cabin noise reduction.
• New Energy Insulation：Insulates batteries or energy storage systems with 0.043 W/(m·K) thermal conductivity to reduce heat loss and improve efficiency.