Title: X-ray tomography for lithium ion battery electrode characterisation - A review
Authors: Le Houx, James
Kramer, Denis 
Language: en
Keywords: Li-ion battery;Porous electrode;Review;X-ray tomography
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik::540 Chemie::541 Physikalische Chemie
Issue Date: 28-May-2021
Publisher: Elsevier
Document Type: Conference Object
Journal / Series / Working Paper (HSU): Energy Reports 
Volume: 7
Issue: Supplement 2
Page Start: 9
Page End: 14
Publisher Place: Amsterdam [u.a.]
Conference: 5th Annual CDT Conference in Energy Storage and Its Applications 
Abstract: 
In recent years, x-ray tomography has emerged as a powerful analytical tool for the study of lithium ion batteries and the processes occurring within. A region of specific interest is the electrode and, in particular, the heterogeneous and porous structure. The present paper is a review of studies that use x-ray tomography to characterise electrode structure, at both the cell and microstructure scales. At the cell level, x-ray tomography is used to investigate macroscopic design parameters, such as anode and cathode thicknesses, packing density and alignment of assembled cells, as well as to visualise any macroscopic structural defects, such as islanding. At the microstructure level, x-ray tomography allows for quantitative analysis of electrode structures to ascertain parameters such as particle size, tortuosity and volume fraction. The paper also explores different techniques that have been used across the field, from ex-situ, in-situ and operando techniques, to multimodal imaging methods, tomography informed design and results informed imaging.
Organization Units (connected with the publication): Computational Material Design 
URL: https://www.sciencedirect.com/science/article/pii/S235248472100161X
ISSN: 2352-4847
DOI: 10.1016/j.egyr.2021.02.063
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