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Environment, Technology

Ionocaloric cooling, good news for the planet

Ionocaloric technology can overcome the limitations of traditional cooling, giving the world an environmentally friendly way to cool homes and things

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January 15 2023
Gianluca RiccioGianluca Riccio
⚪ 2 minutes

Is called ionocaloric cooling, and it's a new technology that could change the way we cool down, replacing the methods currently used in refrigerators and air conditioners.

"There is no alternative solution that is efficient. Nor 100% safe, and 100% harmless to the environment," says the mechanical engineer Drew Lilley of the Lawrence Berkeley National Laboratory in California. "But we think the ionocaloric cooling cycle, if well developed, could achieve these goals." Is he right?

What is ionocaloric cooling?

Ionocaloric cooling works by passing a current through a material that moves the ions within it, changing its melting point and therefore the temperature. A bit like the principle used on winter roads. You know? Come on, when sprinkling salt to lower the melting point of water.

In the paper published in Science (I link it here) the research team conducted experiments using a salt made from iodine and sodium to dissolve ethylene carbonate. It is a common organic solvent that is also used in lithium-ion batteries (and can be made from carbon dioxide).

The article continues after the related links

Worse and worse: last two climate reports, horrible scenarios. We need to rise up

Zero energy thermal device heats or cools automatically

This means that the system not only emits no greenhouse gases, but may even have a global warming potential negative.

Does it really work?

It seems so. Ionocaloric cooling achieved an outstanding result during a recent experiment, in which it was possible to lower the temperature by as much as 25°C (45 degrees Fahrenheit) with less than a single volt of charge. A goal that surpasses that achieved by other caloric technologies.

Ionocaloric cooling

Further research is underway to evaluate the large-scale application of this technology, which uses less (and harmless) chemicals and more physics to cool.

The opportunity to do without refrigerant gases (which, I remember, by law will be reduced by 79% by 2030) and relying only on ions is too tempting to pass up.

I will keep you posted on the progress!

Tags: climatecooling

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

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