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In-Situ Examination of Microstructural Changes within a Lithium-Ion Battery Electrode Using Synchrotron X-ray Microtomography

DOI: 10.1149/06918.0081ecst DOI Help

Authors: Oluwadamilola Taiwo (University College London) , David Eastwood (University of Manchester) , Peter. D. Lee (Research Complex at Harwell) , Juan Manuel Paz-garcia (Lund University) , Stephen. A. Hall (Lund University) , Daniel. J. L. Brett (University College London) , Paul Shearing (University College London)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Ecs Transactions , VOL 69 , PAGES 81 - 85

State: Published (Approved)
Published: December 2015
Diamond Proposal Number(s): 11539

Abstract: In this work, we use synchrotron X-ray microtomographic imaging to examine in-situ changes in a silicon / lithium half-cell before and after lithiation. We visualize volume expansion within the silicon electrode matrix and active particle fracturing as a result of the lithiation process. A change in volume fraction of silicon with respect to electrode state-of-charge was also characterized.

Subject Areas: Energy, Materials
Collaborations: Diamond Manchester

Instruments: I13-2-Diamond Manchester Imaging

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