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Updated: Sep 27, 2025

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

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Published on: November 11, 2013

Long-Cycling Sulfide-Based All-Solid-State Batteries Enabled by Electrochemo-Mechanically Stable Electrodes.

Daxian Cao¹, Xiao Sun¹, Yejing Li²

¹Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA, 02115, USA.

Advanced Materials (Deerfield Beach, Fla.)

|April 11, 2022

Summary

Silicon anodes offer a promising, cost-effective alternative to lithium metal for all-solid-state lithium batteries (ASLBs). This study highlights silicon

Keywords:

Li-metal anodes Si anodes all-solid-state batteries cell-level energy densities interface engineering

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Anodes are critical for energy density in all-solid-state lithium batteries (ASLBs).
Silicon (Si) and lithium (Li) metal anodes have high theoretical capacities but Si's potential is often overlooked.
Current research predominantly focuses on Li metal anodes, necessitating further investigation into Si anodes.

Purpose of the Study:

To investigate the stability, processability, and cost-effectiveness of Si anodes in ASLBs.
To compare the performance of Si anodes against Li metal anodes.
To demonstrate a high-energy-density ASLB utilizing a Si anode.

Main Methods:

Investigated Si anode properties (stability, processability, cost) in ASLBs.
Stabilized single-crystal LiNi0.8Mn0.1Co0.1O2 cathode material using a scalable sol-gel method with lithium silicate (Li2SiOx).
Fabricated ASLBs by integrating the Si anode, sulfide solid-state electrolyte membrane, and stabilized cathode.

Main Results:

Achieved a cell-level energy density of 285 Wh kg-1 in ASLBs with Si anodes.
The full cell demonstrated a high capacity of 145 mAh g-1 at a C/3 rate.
The ASLB maintained stability for over 1000 cycles.

Conclusions:

Silicon anodes present a viable and potentially more economical alternative to lithium metal for ASLBs.
The developed ASLB design offers high energy density and long-term stability.
This research paves the way for the large-scale commercialization of safe and economical ASLBs.