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 Na₂MnFe(CN)₆ cathode, the working cation becomes K⁺ to give a potassium battery of long cycle life with an acceptable capacity at high charge/discharge rates.

中文翻译：

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液态K-Na合金阳极可实现无枝晶钾电池

AK-Na液态合金允许无枝晶的高容量阳极；它与有机液体电解质的不混溶性提供了液体-液体阳极-电解质的界面。与钠化的Na ₂ MnFe（CN）₆阴极一起工作时，工作阳离子变为K ^+，以提供长循环寿命的钾电池，并在高充电/放电速率下具有可接受的容量。