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Fabrication of Thin Film Silver/Silver Chloride Electrodes with Finely Controlled Single Layer Silver Chloride

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Published on: July 1, 2020

Scalable Interlayer Nanostructure Design for High-Rate (10C) Submicron Silicon-Film Electrode by Incorporating Silver

Yi-Xiu Chen¹, Hai-Chun Liao¹, Yin-Wei Cheng¹

¹Department of Materials Science and Engineering, National Cheng Kung University, Tainan 70001, Taiwan.

ACS Applied Materials & Interfaces

|April 11, 2023

Summary

Researchers developed a novel silicon/silver nanoparticle multilayer anode for high-charging lithium microbatteries. This design significantly enhances the 10C rate capability, crucial for next-generation power devices.

Keywords:

charge-induced lithiation high-rate battery design strategy interlayered nanostructure rate capability silicon anode silver nanoparticles

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Last Updated: Aug 3, 2025

Fabrication of Thin Film Silver/Silver Chloride Electrodes with Finely Controlled Single Layer Silver Chloride

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Published on: July 1, 2020

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Published on: November 27, 2012

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Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Published on: June 23, 2017

Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

High C-rate capability is essential for commercializing advanced lithium microbatteries.
Silicon anodes offer high capacity but suffer from poor conductivity, limiting high-rate performance.
Existing multilayer silicon anodes can exhibit interface issues that hinder performance.

Purpose of the Study:

To enhance the 10C rate capability of silicon anodes for high-power lithium microbatteries.
To investigate the effect of silver nanoparticle interlayers on silicon anode performance.
To develop a scalable strategy for improving battery charging speeds.

Main Methods:

Fabrication of Si/Ag/Si multilayered anodes using RF sputtering and thermal evaporation.
Controlled deposition of silver nanoparticles (AgNPs) as an interlayer.
Electrochemical testing, including rate capability measurements at 10C and electrochemical impedance spectroscopy (EIS).

Main Results:

The Si/Ag/Si multilayer anode design significantly improved 10C rate capability compared to pure silicon.
The densest AgNP-modified anode (D_SiAg3) achieved 1250 mAh/g at 10C with 46% capacity retention.
EIS analysis suggests Li-ion diffusion is accelerated by AgNPs, enhancing rate performance.

Conclusions:

Inserting AgNPs as an interlayer in multilayer silicon anodes is an effective strategy to boost high-rate performance.
The proposed design demonstrates scalable potential for high-power battery applications.
This nanocomposite approach offers a pathway for developing advanced batteries and battery-on-chip devices.