Liquid K-Na Alloy Anode Enables Dendrite-Free Potassium Batteries

被引：247

作者：

Xue, Leigang ^{[1
]}

Gao, Hongcai ^{[1
]}

Zhou, Weidong ^{[1
]}

Xin, Sen ^{[1
]}

Park, Kyusung ^{[1
]}

Li, Yutao ^{[1
]}

Goodenough, John B. ^{[1
]}

机构：

[1] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 43期

关键词：

ENERGY-STORAGE; ALKALI-METALS; LITHIUM; SODIUM; CHALLENGES; ELECTRODES; CHEMISTRY; CATHODE;

D O I：

10.1002/adma.201602633

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：9608 / +

页数：6

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