Redox oscillations in 18650-type lithium-ion cell revealed by in operando Compton scattering imaging
| Autor: | Kirsi Jalkanen, Yuji Otsuka, Simo Huotari, Hiroshi Sakurai, Ari-Pekka Honkanen, Yoshiharu Sakurai, Kosuke Suzuki, Mika Kanninen, Bernardo Barbiellini, Jari Koskinen, Naruki Tsuji, Shunta Suzuki, Kazushi Hoshi, Arun Bansil, Hasnain Hafiz |
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| Přispěvatelé: | Department of Physics, Helsinki In Vivo Animal Imaging Platform (HAIP), University of Helsinki, Department of Physics |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Battery (electricity)
Materials science Physics and Astronomy (miscellaneous) Astrophysics::High Energy Astrophysical Phenomena FOS: Physical sciences chemistry.chemical_element Applied Physics (physics.app-ph) Pattern Formation and Solitons (nlin.PS) 02 engineering and technology operando spectroscopy 01 natural sciences 7. Clean energy Molecular physics Redox 114 Physical sciences Spectral line Ion law.invention Batteries law 0103 physical sciences 010302 applied physics ELECTROCHEMICAL REACTIONS Compton scattering Physics - Applied Physics 021001 nanoscience & nanotechnology Nonlinear Sciences - Pattern Formation and Solitons Synchrotron 3. Good health chemistry Electrode Lithium 0210 nano-technology |
| Popis: | Compton scattering imaging using high-energy synchrotron x-rays allows the visualization of the spatio-temporal lithiation state in lithium-ion batteries probed in-operando. Here, we apply this imaging technique to the commercial 18650-type cylindrical lithium-ion battery. Our analysis of the lineshapes of the Compton scattering spectra taken from different electrode layers reveals the emergence of inhomogeneous lithiation patterns during the charge-discharge cycles. Moreover, these patterns exhibit oscillations in time where the dominant period corresponds to the time scale of the charging curve. 11 pages, 5 figures |
| Databáze: | OpenAIRE |
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