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Environment , Architecture, Energy

ss-PCM, from rice a new material for heat storage: it can increase the thermal efficiency of buildings

It is environmentally friendly and with important capabilities: it will help the accumulation of heat in buildings and (perhaps) the efficiency of solar panels.

May 17, 2022
Gianluca RiccioGianluca Riccio
⚪ 2 minutes
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rice heat build-up

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A team of researchers from Martin Luther University Halle-Wittenberg (MLU) and the University of Leipzig in Germany has developed a new heat storage material that could be used in buildings to increase their energy efficiency.

The substance, known as phase change material or ss-PCM for short, goes from solid to liquid and absorbs thermal energy during the process. As the material hardens, the stored heat is released. Imagine a chemical mechanism similar to that of disposable hand warmers, those little "sachets" that release heat.

The research was published in ScienceDirect, and I link it here.

Energy from rice

The breakthrough with this heat-storing material is twofold: One, the researchers say it's 5 times more efficient. Due, it is composed of eco-compatible fatty acids and additives extracted from rice husk.

The article continues after the related links

Heat waves, Los Angeles covered a piece of the city with reflective paint, and it's working

"Form stabilized phase change materials (ss-PCM) can store up to five times more thermal energy than commercially available composite PCM cards based on core-shell PCM, but have low mechanical stability. Therefore, we recently synthesized ss-PCM with high mechanical stability through a new process ".

accumulation of heat
A close-up image of the material taken from the rice husk for heat buildup

A more efficient thermal mass

Stable, efficient and ecological. The research team believes the new material is ideal for the construction sector. When integrated into wall panels, this material can absorb heat when it's sunny and release it at night, or when the temperature drops.

There are already materials used for this: brick and concrete, but the heat accumulation of this material is exceptional, up to 24 times that of conventional concrete and panels.

Accumulation of heat from rice: next steps

The research team is planning new laboratory tests to fine-tune the material: the possibility of using it for passive cooling of solar panels (increasing their efficiency) is also being studied.

Felix Marske, lead author of the study, comments: "The knowledge we are gaining can be used to further optimize the material and potentially produce it on an industrial scale."

That's what I expect.

Tags: heat


GPT Chat Megaeasy!

Concrete guide for those approaching this artificial intelligence tool, also designed for the school world: many examples of applications, usage indications and ready-to-use instructions for training and interrogating Chat GPT.

To submit articles, disclose the results of a research or scientific discoveries write to the editorial staff

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