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Related Experiment Video

Updated: Jul 1, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

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Published on: August 12, 2013

Highly Effective Polyacrylonitrile-Rich Artificial Solid-Electrolyte-Interphase for Dendrite-Free

Binh Hoang¹, Roya Damircheli¹, Victoria Castagna Ferrari²

¹Department of Mechanical Engineering, Catholic University of America, Washington, D.C. 20064, United States.

ACS Applied Materials & Interfaces

|November 6, 2024

Summary

Researchers developed a new protective layer for lithium metal anodes using acrylonitrile (AN) to prevent dendrite formation. This AN-treated anode significantly extends battery life and improves stability in solid-state batteries.

Keywords:

LGPS artificial solid electrolyte interface lithium metal polymerization sulfide solid electrolyte

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Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Lithium metal anodes offer high energy density but suffer from dendrite formation, hindering performance and safety.
Developing effective protection layers is crucial for the practical application of lithium metal batteries.

Purpose of the Study:

To present a cost-effective method for creating protective layers on lithium metal anodes using acrylonitrile (AN).
To evaluate the performance enhancement and interfacial stability of AN-treated lithium metal anodes in solid-state batteries.

Main Methods:

Spontaneous formation of polymeric layers using acrylonitrile (AN) on lithium metal anodes.
Cycling performance evaluation of bare and AN-treated lithium metal anodes under high current density.
Integration and testing of AN-treated anodes with Li$_{10}$GeP$_{2}$S$_{12}$ (LGPS) solid-state electrolytes.

Main Results:

AN treatment extended the lifetime of lithium metal anodes by 6× (over 900 h vs. 150 h) under high current density.
The polyacrylonitrile (PAN)-rich artificial solid electrolyte interphase (ASEI) effectively stabilized the Li/LGPS solid-state battery interface.
Cell overpotential was reduced to one-tenth compared to untreated interfaces.

Conclusions:

The AN-treatment method provides a viable strategy for creating stable and long-lasting lithium metal anodes.
This approach significantly enhances the interfacial stability and performance of sulfide-based solid-state batteries.
The study offers a promising route towards highly efficient and stable solid-state lithium metal batteries.