Abstract
In the pursuit of high-energy-density lithium metal batteries (LMBs), the development of stable solid electrolyte interphase (SEI) is criticalto address issues such as lithium dendrite growth and low Coulombic efficiency.Herein,we propose a facile strategy for the in-situfabrication of a LiCl-richartificial SEI layer on Li surfaces through reaction ofMoCl5with Li (Li@MoCl5).The resulting artificial SEI significantly enhances the uniformity of Lideposition, effectively suppresses dendrite formation,and improveselectrochemical performance.As a result, Li@MoCl5symmetric cells demonstrateremarkable stability, achieving continuous cycling of 4200 h under a high current density of 10 mA cm-2with an areal capacity of 1 mAh cm-2. Full-cells employingLi@MoCl5exhibitsuperior cycling stability and rate capability, even at high cathode loading (17 mg cm-2). These resultshighlightthe potential of this interface engineering strategy for advanced practical application of LMBs.
Published Version
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