A new type of composite material can be cooled automatically under extreme high temperature

A new type of composite material can automatically cool at extreme high temperature

The University of Nottingham is developing a cutting-edge material inspired by nature. This material can regulate its own temperature and can also be used to treat burns and help the capsule to resist solar radiation.

This research paper is titled "Temperature-dependent polymer absorber as a switchable state NIR reactor" and was published in the journal Scientific Reports on October 26.

Dr. Mark Alston, assistant professor of environmental design from the School of Engineering and lead author, explained that a major challenge in materials science is to study how to adjust the temperature of man-made materials, just like the relationship between the human body and the environment.

The study used multiple microchannel networks with active flowing fluids as a method and proof of concept for developing thermally functional materials made of synthetic polymers. The material is enhanced by precise control measures that can switch the conduction state to manage its own temperature related to its environment.

This bionic engineering advances the structural assembly of polymers for advanced materials. Nature uses fluids to regulate and manage the temperature of mammals and plants, and absorbs solar radiation through photosynthesis.

Dr. Alston added: This method will produce an advanced material that can absorb a lot of solar radiation, just like the human body can do, regardless of the environment it is in, it can automatically cool. This thermal functional material can be used as a heat regulation system for burns, cooling the skin surface temperature, monitoring and improving healing.

This ability to regulate heat can also be proven, it is priceless in space flight. During space flight, large amounts of solar radiation can cause thermal stress on the structural integrity of the capsule.


The heat regulation ability of the new composite material is invaluable in space flight (picture from the network)

By adjusting the temperature of the capsule material, it can not only improve its structural performance, but also produce useful output power. This thermal energy can be transferred from the circulating fluid system and stored in a tank on the capsule. Once captured, this energy can be converted into electrical energy or heated water for the crew to use.

The experimental part of this study was based on a laboratory and was developed in collaboration with the UK government research institution: the Scientific Research Facilities Council (SRFC). The next step of the research is to expand the scope, show its characteristics to the aerospace manufacturing field, and seek funding to identify an industrial partner.

(Originally from: Daily Science China New Energy Network Synthesis)

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