Causal Relationships for the Electrolyte and Interphase Designs During Lithium Metal Plating/Stripping Processes.

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Lithium metal batteries (LMBs) promise significantly higher energy density than current lithium-ion batteries.
• LMBs are crucial for applications beyond energy storage, including ammonia synthesis and dynamic displays.
• A deeper understanding of the lithium metal plating/stripping process is essential for advancing LMB technology.

Purpose of the Study:

• To review key advances in lithium metal anode technology for high-energy batteries.
• To highlight progress in solid electrolyte interphase, electrolyte engineering, and artificial interphases.
• To provide insights into practical LMB applications, focusing on electrolyte design, energy density, and safety.

Main Methods:

• Literature review of recent research on lithium metal anodes.
• Analysis of advancements in solid electrolyte interphase (SEI) formation and engineering.
• Examination of electrolyte design strategies and artificial solid electrode interphase development.

Main Results:

• Significant progress has been made in understanding and controlling the solid electrolyte interphase (SEI).
• Electrolyte engineering and the development of artificial interphases are crucial for stable lithium metal cycling.
• These advancements are paving the way for higher energy density and safer lithium metal batteries.

Conclusions:

• Continued research into SEI properties, electrolyte optimization, and artificial interphases is vital for unlocking the full potential of LMBs.
• Addressing challenges in electrolyte design, energy density, and safety is key for the commercialization of lithium metal batteries.
• Improved understanding of the electrochemical processes will accelerate the development of next-generation energy storage solutions.