Say hello to ionocaloric cooling. It’s a new way to lower temperatures with the potential to replace existing methods of chilling things with a process that is safer and better for the planet.
Typical refrigeration systems transport heat away from a space via a gas that cools as it expands some distance away. As effective as this process is, some of the choice gases we use are particularly unfriendly to the environment.
There is, however, more than one way a substance can be forced to absorb and shed heat energy.
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