In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

作者： William R. Brant1, Siegbert Schmid1, Guodong Du2, Helen E. A. Brand3, Wei Kong Pang2,4,5, Vanessa K. Peterson4, Zaiping Guo2,5, Neeraj Sharma6 1School of Chemistry,University of Sydney, 2Institute for Superconducting & Electronic Materials,University of Wollongong, 3Australian Synchrotron, 4Australian Nuclear Science and Technology Organisation, 5School of Mechanical, Materials, and Mechatronic Engineering,University of Wollongong, 6School of Chemistry,University of New South Wales

简介：

Overview

This article details the design and construction of an electrochemical cell for in situ neutron powder diffraction (NPD) experiments. The procedure includes preparing electrodes and assembling the cell for effective analysis of electrode materials.

Key Study Components

Area of Science

• Electrochemistry
• Neutron Diffraction
• Materials Science

Background

• Electrochemical cells are essential for studying electrode materials.
• In situ neutron powder diffraction provides valuable insights into material behavior.
• Understanding cell design is crucial for effective experimentation.
• Different designs can impact the quality of data obtained.

Purpose of Study

• To develop a rechargeable electrochemical cell for NPD experiments.
• To evaluate electrode materials using advanced diffraction techniques.
• To compare various in situ NPD cell designs.

Methods Used

• Preparation of a lithium foil negative electrode.
• Application of positive electrode material onto a current collector.
• Assembly of electrodes and separators in a cylindrical format.
• Insertion of the cell into a vanadium can with electrolyte.

Main Results

• The constructed cell is suitable for in situ NPD experiments.
• Data analysis methods for in situ NPD are discussed.
• Comparison of different cell designs highlights their advantages.

Conclusions

• The developed electrochemical cell facilitates effective material analysis.
• In situ NPD can provide critical insights into electrode behavior.
• Future work may explore further optimizations in cell design.

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