Liquid K-Na Alloy Anode Enables Dendrite-Free Potassium Batteries.
basic_science · Level V
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- Record sourced from PubMed, PMID 27628913.
- Also identified by DOI 10.1002/adma.201602633.
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Abstract
A K-Na liquid alloy allows a dendrite-free high-capacity anode; its immiscibility with an organic liquid electrolyte offers a liquid-liquid anode-electrolyte interface. Working with a sodiated Na<sub>2</sub> MnFe(CN)<sub>6</sub> cathode, the working cation becomes K<sup>+</sup> to give a potassium battery of long cycle life with an acceptable capacity at high charge/discharge rates.