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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bhagat, Rohit
Coventry University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2019Porous Metal-Organic Frameworks for Enhanced Performance Silicon Anodes in Lithium-Ion Batteriescitations
- 2019Temperature Considerations for Charging Li-Ion Batteriescitations
- 2018Binder-free Sn-Si heterostructure films for high capacity Li-ion batteriescitations
- 2018Electrochemical Evaluation and Phase-related Impedance Studies on Silicon-Few Layer Graphene (FLG) Composite Electrode Systemscitations
- 2017Electrodeposition of Si and Sn-based Amorphous Films for High Energy Novel Electrode Materialscitations
- 2017Investigation of cycling-induced microstructural degradation in silicon-based electrodes in lithium-ion batteries using X-ray nanotomographycitations
- 2016Metal recovery by electrodeposition from a molten salt two-phase cell systemcitations
- 2016Calculating the macroscopic dynamics of gas/metal/slag emulsion during steelmakingcitations
- 2015The Solubility of Specific Metal Oxides in Molten Borate Glasscitations
- 2013Precursor preparation for Ti-Al-V-Y alloy via FFC cambridge processcitations
- 2008Production of Ti-W alloys from mixed oxide precursors via the FFC cambridge processcitations
- 2008The production of Ti-Mo alloys from mixed oxide precursors via the FFC cambridge processcitations
- 2006Direct electrochemical production of Ti-10W alloys from mixed oxide preform precursorscitations
- 2005Direct electrochemical production of beta titanium alloys
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article
Investigation of cycling-induced microstructural degradation in silicon-based electrodes in lithium-ion batteries using X-ray nanotomography
Abstract
The microstructural degradation of a composite silicon electrode at different stages in its cycle life was investigated in 3D using X-ray nano-computed tomography. A reconstructed volume of 36 μm × 27 μm × 26 μm from the composite electrode was imaged in its pristine state and after 1, 10 and 100 cycles. Particle fracturing and phase transformation was observed within the electrode with increased cycling. In addition, a distinct, lower X-ray attenuating phase was clearly resolved, which can be associated with surface film formation resulting from electrolyte breakdown and with silicon particle phase transformation. Changes in quantified microstructural properties such as phase volume fraction and particle specific surface area were tracked. Electrode performance loss is associated with loss of active silicon. These imaging results further highlight the capability of high resolution X-ray tomography to investigate the role of electrode microstructure in battery degradation and failure.