Integrating multi-length scale high resolution 3D imaging and modelling in the characterisation and identification of mechanical failure sites in electrochemical dendrites

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Title: Integrating multi-length scale high resolution 3D imaging and modelling in the characterisation and identification of mechanical failure sites in electrochemical dendrites
Author(s): Biton, M
Tariq, F
Yufit, V
Chen, Z
Brandon, N
Item Type: Journal Article
Abstract: The Zn-air battery system is attractive because of its potentially high power density, environmental compatibility and low-cost materials [1]. This paper is focused on understanding the degradation of Zn air batteries, in particular the evolution of Zn dendrites, one of the main degradation mechanisms. Complementary tomographic techniques allow the direct 3D imaging and characterisation of complex microstructures, including the observation and quantification of dendrite growth. Here we present results from 3D x-ray and FIB-SEM tomography of Zn dendrite formation in a zinc-air battery, down to resolutions of tens of nanometers, enabling analysis of complex micro-structures. This approach is shown to be effective in understanding how electrochemical dendrites grow, and demonstrates that tomography coupled with modelling can provide new insights into dendrite growth in electrochemical systems.
Publication Date: 6-Sep-2017
Date of Acceptance: 4-Sep-2017
URI: http://hdl.handle.net/10044/1/55476
DOI: https://dx.doi.org/10.1016/j.actamat.2017.09.008
ISSN: 1359-6454
Publisher: Elsevier
Start Page: 39
End Page: 46
Journal / Book Title: Acta Materialia
Volume: 141
Copyright Statement: © 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Science & Technology
Technology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Materials Science
Zn-air battery
FIB-SEM tomography
Dendrites
Micromanipulators
Imaging
AIR BATTERIES
LI-AIR
TOMOGRAPHY
ELECTRODE
ZINC
Science & Technology
Technology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Materials Science
Zn-air battery
FIB-SEM tomography
Dendrites
Micromanipulators
Imaging
AIR BATTERIES
LI-AIR
TOMOGRAPHY
ELECTRODE
ZINC
0912 Materials Engineering
0913 Mechanical Engineering
Materials
Publication Status: Published
Appears in Collections:Faculty of Engineering



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