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- Title
Measurement of lithium diffusion coefficient in thin metallic multilayer by neutron depth profiling.
- Authors
Ceccio, Giovanni; Vacik, Jiri; Horák, Pavel; Cannavò, Antonino; Hnatowicz, Vladimir
- Abstract
Diffusion of Li ions in thin sandwich films with copper or lead encompassing layers (obtained by ion beam sputtering deposition technique) has been studied. These metals are promising candidates for electrodes in lithium‐ion batteries. It is because they exhibit an ability to store and release Li ions during charging and discharging processes. Lithium diffusion was induced in samples by thermal annealing cycles. The lithium depth profile was measured using a nondestructive neutron depth profiling technique after each thermal annealing step. The analysis of experimental data allowed to evaluate the lithium depth profiles and directly calculate the diffusion coefficients.
- Subjects
DIFFUSION measurements; DIFFUSION coefficients; NEUTRONS; DEPTH profiling; SPUTTER deposition; ION beams; MULTILAYERED thin films; COPPER films
- Publication
Surface & Interface Analysis: SIA, 2020, Vol 52, Issue 12, p939
- ISSN
0142-2421
- Publication type
Article
- DOI
10.1002/sia.6826