Abstract
Global energy needs demand high-performance energy storage technology for powering portable electronic devices and electric vehicles. However, current lithium ion batteries, the primary energy storage system, cannot meet the increasing demands. The lithium metal battery has attracted much attention due to the extremely high energy density (3,861 mAh/g). However, the dendrite formation during cycling impedes its practical usage. Herein, we will employ atomic layer deposition to design metal oxide coating (Al2O3) and study the mechanism reactions upon the doses of precursors on lithium metal. Latest results including electrochemical testing for different thickness of Al2O3 and in-situ as well as ex-situ investigations will be presented.
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