Conventional and emerging refrigeration technologies either use refrigerants with high-global warming potential (GWP) or require application of strong fields. Now, researchers demonstrate ionocaloric refrigeration based on the electrochemical tuning of the melting behaviour of zero-GWP materials under low applied field strength.
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Wu, S., Li, T. Taking control of salts. Nat Energy 8, 226–227 (2023). https://doi.org/10.1038/s41560-023-01219-6
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DOI: https://doi.org/10.1038/s41560-023-01219-6