Flexible Cooling Film

A polymer film able to transfer heat could bring us a step closer to wearable electronics.
The new material relies on the electrocaloric effect, which causes it to change temperature when subjected to an electric field. Made of a thin, flexible polymer film, the material is able to transfer heat from the heat source, such as a battery, to the heat sink by switching the voltage off and on. The material could be used to keep mobile and wearable electronics cool, as well as function as a sort of personal cooling system when placed in a hot or shoe.
https://spectrum.ieee.org/energywise/consumer-electronics/portable-devices/a-solid-state-fridge-in-your-pocket 

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