In-Situ Polymerized Solid/Quasi-Solid Polymer Electrolyte for Lithium-Metal Batteries: Recent Progress and...

Area of Science:

• Materials Science
• Electrochemistry
• Polymer Science

Background:

• Lithium metal batteries (LMBs) offer high energy density but face challenges with liquid electrolytes, including leakage and dendrite growth.
• Solid-state electrolytes are promising but polymer electrolytes struggle with interface contact and low ionic conductivity.
• In situ polymerized polymer electrolytes address these limitations by forming robust interfaces and simplifying fabrication.

Purpose of the Study:

• To review the latest research on in situ polymerized solid electrolytes for lithium metal batteries.
• To categorize these electrolytes based on polymerization methods.
• To identify challenges and future directions for high-performance polymer solid electrolytes in LMBs.

Main Methods:

• Review of literature on in situ polymerized polymer electrolytes for LMBs.
• Categorization of electrolytes by polymerization techniques: thermally induced, chemical initiator, and ionizing radiation polymerization.
• Analysis of interface properties, ionic conductivity, and battery performance.

Main Results:

• In situ polymerization enhances interfacial contact between polymer electrolytes and electrodes in LMBs.
• This method simplifies the preparation process compared to traditional approaches.
• Different polymerization methods (thermal, chemical, radiation) yield distinct electrolyte properties.

Conclusions:

• In situ polymerized solid electrolytes are crucial for advancing lithium metal battery technology.
• Addressing interface stability and ionic conductivity remains key for future development.
• This review provides guidance for designing next-generation polymer solid electrolytes for high-performance LMBs.