Ether-Based High-Voltage Lithium Metal Batteries: The Road to Commercialization

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Ether-based electrolytes are compatible with lithium metal anodes in high-voltage lithium metal batteries (HV-LMBs).
• Commercialization of these batteries is hindered by short cycle life, safety concerns, and complex failure modes.

Purpose of the Study:

• To review recent advancements in ether-based electrolytes for HV-LMBs.
• To propose a systematic electrolyte design principle considering electrochemical performance, safety, and industrial scalability.
• To identify challenges and suggest future development pathways for commercial HV-LMBs.

Main Methods:

• Literature review of recent progress in ether-based electrolytes for HV-LMBs.
• Analysis of electrolyte design parameters: electrochemical performance, safety, and industrial scalability.
• Synthesis of challenges and future research directions.

Main Results:

• Recent progress in ether-based electrolytes for HV-LMBs has been discussed.
• A systematic design principle for electrolytes is proposed, focusing on key performance metrics.
• Challenges and a future roadmap for commercialization are outlined.

Conclusions:

• Ether-based electrolytes are crucial for advancing HV-LMB technology.
• A balanced approach to electrolyte design is necessary for successful commercialization.
• Further research is needed to overcome existing limitations and enable widespread adoption of HV-LMBs.