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Impedance characterization of an LCO-NMC/graphite cell: ohmic conduction, SEI transport and charge-transfer phenomenon

Author
Ovejas, V.J.; Cuadras, A.
Type of activity
Journal article
Journal
Batteries
Date of publication
2018-09-10
Volume
4
Number
3
First page
43
DOI
https://doi.org/10.3390/batteries4030043 Open in new window
Project funding
Ayudas para becas y contratos destinados a la formación de doctores (UAFPU2011-16607001N)
Life cycle, business and entropy analyses in batteries - subproject 1
Repository
http://hdl.handle.net/2117/121528 Open in new window
URL
https://www.mdpi.com/2313-0105/4/3/43 Open in new window
Abstract
Currently, Li-ion cells are the preferred candidates as energy sources for existing portable applications and for those being developed. Thus, a proper characterization of Li-ion cells is required to optimize their use and their manufacturing process. In this study, the transport phenomena and electrochemical processes taking place in LiCoO2-Li(NiMnCo)O2/graphite (LCO-NMC/graphite) cells are identified from half-cell measurements by means of impedance spectroscopy. The results are calculated fro...
Citation
Ovejas, V.J., Cuadras, A. Impedance characterization of an LCO-NMC/graphite cell: ohmic conduction, SEI transport and charge-transfer phenomenon. "Batteries", 10 Setembre 2018, vol. 4, núm. 3.
Keywords
Electrochemical impedance spectroscopy (EIS), NMC, aging, charge transfer, equivalent circuit, half-cells, impedance, lithium ion, solid electrolyte interphase (SEI)
Group of research
EPIC - Energy Processing and Integrated Circuits

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