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Updated: May 31, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Constructing Electronic and Spatial Barriers: A Practical Strategy for High-Performance All-Solid-State Lithium Metal

Shuaike Wang^1,2,3,4, Shuangquan Lin^1,2,3,4, Xiaolong Yan²

¹National Power Battery Innovation Center, GRINM Group Co. Ltd., Beijing 100088, P. R. China.

ACS Applied Materials & Interfaces

|May 29, 2026

Summary

This summary is machine-generated.

Adding nanoscale dielectric materials to argyrodite sulfide electrolytes significantly enhances all-solid-state lithium metal battery performance by blocking dendrites. This strategy improves cycling stability and critical current density for safer, high-performance batteries.

Keywords:

all-solid-state lithium metal battery composite electrolyte electronic conductivity lithium dendrites lithium metal

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

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
Battery Technology

Background:

Argyrodite-type sulfide electrolytes offer high ionic conductivity for all-solid-state lithium metal batteries (ASSLMBs).
However, their inherent electronic conductivity and porosity facilitate lithium dendrite growth, hindering battery performance and safety.
Developing strategies to mitigate dendrite formation is crucial for advancing ASSLMB technology.

Purpose of the Study:

To develop a simple and effective method to reduce electronic conductivity and porosity in argyrodite electrolytes.
To suppress lithium dendrite growth in ASSLMBs by incorporating nanoscale dielectric materials.
To enhance the electrochemical performance and cycling stability of ASSLMBs.

Main Methods:

Incorporation of commercial nanoscale dielectric materials into Li6PS5Cl electrolyte membranes.
Characterization of the composite electrolyte's electronic conductivity, porosity, and ion transport properties.
Evaluation of lithium symmetric cells and ASSLMB performance, including cycling stability and rate capability.

Main Results:

The addition of nanoscale dielectric materials effectively reduced electronic conductivity and porosity, creating a denser electrolyte.
Lithium dendrite growth was significantly mitigated, doubling the critical current density in Li symmetric cells.
The composite electrolyte demonstrated a 14-fold improvement in cycling performance compared to pure Li6PS5Cl.
The ASSLMB achieved high initial discharge capacity (213.3 mAh g-1 at 0.1 C) and excellent cycling stability (80.69% retention after 900 cycles).

Conclusions:

The developed strategy successfully created dense, electronically insulating composite electrolytes for ASSLMBs.
Incorporating nanoscale dielectric materials is a versatile approach to suppress dendrite formation and enhance battery safety.
This work paves the way for dendrite-free and highly stable ASSLMBs with improved performance.