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Related Experiment Video

Updated: Feb 7, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Field-Responsive Dynamic Monolayer Regulated Interphase for Enhanced Lithium Metal Batteries.

Elizabeth Zhang^1,2, John Holoubek^1,2, Hao Lyu¹

¹Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States.

Journal of the American Chemical Society

|February 6, 2026

Summary

This summary is machine-generated.

Dynamic monolayers stabilize lithium metal anodes by forming protective interphases, enhancing battery performance and longevity. This breakthrough addresses key challenges in high-energy lithium batteries.

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Area of Science:

Materials Science
Electrochemistry
Chemical Engineering

Background:

Lithium metal batteries (LMBs) provide high energy density but face challenges from interphase instability.
Continuous corrosion, solid electrolyte interphase (SEI) growth, and poor lithium deposition hinder battery cycle life.

Purpose of the Study:

To introduce and validate a novel concept of dynamic monolayers for stabilizing Li metal anodes.
To investigate the impact of these dynamic monolayers on the solid electrolyte interphase (SEI) and lithium deposition.

Main Methods:

Electrochemical quartz crystal microbalance with dissipation monitoring (EQCM-D) for in situ verification.
Cryogenic X-ray photoelectron spectroscopy (Cryo-XPS) and operando optical microscopy for interfacial analysis.
Testing in various battery configurations including Li||Cu, Li||Li, ultrathin lithium, and anode-free NMC811.

Main Results:

Dynamic monolayers exhibit electric field-responsive assembly into packed, structured layers at the Li interphase.
Stronger monolayer packing promotes a more inorganic-rich SEI and chunkier lithium growth.
Demonstrated improvements in Coulombic Efficiency, reduced overpotential, and enhanced cycling stability.

Conclusions:

Dynamic monolayers offer a broadly applicable strategy for mitigating interfacial instability in Li metal anodes.
This approach shows significant potential for improving the performance and lifespan of various alkali metal battery systems.