Journal
CHEMICAL ENGINEERING SCIENCE
Volume 154, Issue -, Pages 27-33Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2016.04.023
Keywords
Phase-contrast; X-rays; Graphite electrode; Image contrast
Categories
Funding
- UK EPSRC [EP/N001583/1, EP/K005030/1, EP/M009394/1]
- UCL BEAMS
- Royal Academy of Engineering
- UCL
- EPSRC [EP/N001583/1, EP/M009394/1, EP/K005030/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N001583/1, EP/M009394/1, EP/K005030/1, 1272545] Funding Source: researchfish
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Understanding the microstructural morphology of Li-ion battery electrodes is crucial to improving the electrochemical performance of current Li-ion battery systems and in developing next-generation power systems. The use of 3D X-ray imaging techniques, which are continuously evolving, provides a non-invasive platform to study the relationship between electrode microstructure and performance at various time and length scales. In addition to characterizing a weakly (X-ray) absorbing graphite electrode at multiple length scales, we implement an approach for obtaining improved nano-scale image contrast on a laboratory X-ray microscope by combining information obtained from both absorption-contrast and Zernike phase-contrast X-ray images. (C)2016 The Authors. Published by Elsevier Ltd.
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