Biomimetic Cellulose Fabric

7.4 °C Cooling

In-situ grown SiO₂ nanoparticles on fibrillated cellulose fibers enable 97% solar reflectance and 0.97 mid-infrared emissivity for durable, customizable passive cooling.

Li, Jianguo · Fengjie, Tang · Yinghao, Bi · Sun, Haodong · Huang, Liulian · Chen, Lihui

Nano Energy 2023

Specifications

solar reflectance

{'zh': '', 'en': '1.0'} µm

mid-infrared emissivity

{'zh': '', 'en': '13'} µm

Tensile strength

{'zh': '~48', 'en': '~48'} MPa

Advantages

7.4 °C human body cooling (hot summer)

Durable cooling after 100 mechanical washes

Durable cooling after 100-day air exposure