We catch up with one of the team behind the first-of-its-kind air conditioner that uses solid refrigerants.
My colleague, Jinyoung Seo, was originally looking to use these materials as passive thermal energy storage media because they undergo solid-solid phase transitions with very large latent heats.
That’s a really big task since, until our work, there hasn’t really been any demonstration of barocaloric cooling in the real world and there certainly isn’t a commercial product someone can go out and buy. So, I think we still have a long way to go.Currently, I think the biggest challenges are in device engineering and in further reducing the operating pressure of the system.
Getting the prototype working required solving a thousand little problems, most of which I hadn’t anticipated. Learning to solve those problems will make the second generation prototype a lot easier, which is what we are working on now.We’ve made some progress on both materials and on device design, but nothing I can talk about in detail yet I’m afraid.I’ve become increasingly concerned about climate change over the past decade or so.
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