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通过固体电解质启动的可充电Li2O空气电池

Alireza Kondori¹, Mohammadreza Esmaeilirad¹, Ahmad Mosen Harzandi¹

¹Department of Chemical and Biological Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA.

Science (New York, N.Y.)

|February 2, 2023

概括

研究人员开发了一种具有高能量密度的固态气电池. 这种电池利用氧化形成,可实现1000次充电周期,性能优异.

科学领域:

电化学
材料科学
能量储存

背景情况:

空气电池的理论能量密度与汽油相提并论.
与低电子反应相比,实现四电子氧化物 (Li2O) 的形成具有挑战性.

研究的目的:

开发一种能够形成氧化 (Li2O) 的固态气电池.
在室温下研究这种电池的性能和可充电性.

主要方法:

在聚乙烯氧化物矩阵中使用复合聚合物电解质与Li10GeP2S12纳米粒子.
在室温固态空气电池中研究放电产品的形成.

主要成果:

确定了氧化物 (Li2O) 作为主要排放产品.
已证明可以在低极化条件下进行1000个循环充电.
实现了高速度的操作.

结论:

复合聚合物电解质在固态空气电池中促进了Li2O的形成.
一个混合离子电子导电放电产品使四个电子反应具有挑战性.

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