The solid–electrolyte interphase between the negative electrode and the electrolyte is vital to the performance of rechargeable batteries, yet it is challenging to quantify its physical properties. Now a way of directly measuring the electrical properties of the interphase has been devised, revealing voltage-dependent conducting behaviour.
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Qi, Y. Measuring is believing. Nat Energy 8, 1307–1308 (2023). https://doi.org/10.1038/s41560-023-01371-z
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DOI: https://doi.org/10.1038/s41560-023-01371-z
