Pulp film was created to protect the equipment from overheating

Pulp film was created to protect the equipment from overheating

Scientists from the University of Tokyo and the National Institute of Technology in Japan have developed thin coatings that effectively diffuse heat, which can be used to protect thin devices from overheating.

Over the past few decades, many electronic devices have been developed that are becoming thinner and more compact, and the traditional radiators used to remove heat are taking up a lot of space and are no longer placed in such devices, and as the capacity of the devices increases, the need for heat is only increasing.

In a new study, scientists introduced a composite film made of carbon fibre-filled cellulose, which is based on cellulose fibers extracted from the mantle of ascide, which is found in many seas.

For the synthesis of the material, researchers prepared a water suspension of both components ' fibres and then applied liquid 3D modelling, resulting in a nanocomposite consisting of a single-axial cellulose matrix with carbon fibres.

Scientists tested the thermal conductivity of the film using laser point thermometry with periodic heating and radiation and found that the material showed a high anisotropy of the thermal conductivity in the 433% plane, along with a conductivity of 7.8 W/mK in the leveled direction and 1.8 W/mK in the orthogonal direction. In addition, the nanocomposite film could cool two close sources of pseudo-warming without any thermal interference.