Abstract
Often touted as the most promising next-generation energy storage systems, lithium (Li) metal batteries have drawn extensive interest due to their energy densities beyond those of Li-ion batteries. The use of Li metal, however, presents a major hurdle since it is susceptible to Li dendrite growths, corrosive interfacial reactions, and uncontrolled volume changes. Li-metal protection is an important issue in overcoming those challenges. In particular, studies have shown that molybdenum disulfide (MoS2) can significantly improve the performance and safety of Li metal batteries when used as a protective coating for anodes, separator modification, and stable interfacial layer between solid-electrolytes and Li metal. Herein, we review the successful implementation of MoS2 for improved Li metal batteries including those of the liquid-type and the solid-state cells. We also provide opportunities and prospects of MoS2 applications for safe and practical Li metal batteries.
Highlights
The rising popularity of electric vehicles has attracted great demand for efficient and cost-effective batteries
We reviewed the application of 2D MoS2 for the enhanced electrochemical performance in Li metal batteries
MoS2 provides a wide range of benefits for Li metal batteries by preventing Li dendrites, protecting Li metal against corrosion, and facilitating high ionic-conducting and stable interface
Summary
The rising popularity of electric vehicles has attracted great demand for efficient and cost-effective batteries.
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