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Changes in the statistical properties of data as a system approaches a critical transition is studied intensively as early warning signals, but their application to materials science, where phase transitions—a type of critical transition—are of fundamental importance, are limited. Here, a critical transition analysis is applied to time‐series data from a microscopic 3D ordered soft material—blue phase...
“Energy in a bottle” expresses the concept of a reusable electrochemical fuel which is easy to transport, use, and store. On page 2501, K. Takechi and co‐workers demonstrate that supercooled materials based on ‘solvate ionic liquids’ result in high‐energy‐density catholytes for flow batteries which maintain their liquid nature even under freezing conditions. This technology enables a rechargeable...
A redox‐active supercooled liquid is obtained by forming a “solvate ionic liquid” from a mixture of a stabilized organic radical and a specific Li salt and stabilizing the mixture further below their melting points. As a catholyte, the addition of an appropriate amount of water helps to enhance the electrochemical advantage while maintaining its supercooled nature and the liquid shows a high energy...
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