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Modeling and Experimental Validation of a High-Power Lithium-Ion Pouch Cell with LCO/NCA Blend Cathode

  • This article presents the development, parameterization, and experimental validation of a pseudo-three-dimensional (P3D) multiphysics model of a 350 mAh high-power lithium-ion pouch cell with graphite anode and lithium cobalt oxide/lithium nickel cobalt aluminum oxide (LCO/NCA) blend cathode. The model describes transport processes on three different scales: Heat transport on the macroscopic scaleThis article presents the development, parameterization, and experimental validation of a pseudo-three-dimensional (P3D) multiphysics model of a 350 mAh high-power lithium-ion pouch cell with graphite anode and lithium cobalt oxide/lithium nickel cobalt aluminum oxide (LCO/NCA) blend cathode. The model describes transport processes on three different scales: Heat transport on the macroscopic scale (cell), mass and charge transport on the mesoscopic scale (electrode pair), and mass transport on the microscopic scale (active material particles). A generalized description of electrochemistry in blend electrodes is developed, using the open-source software Cantera for calculating species source terms. Very good agreement of model predictions with galvanostatic charge/discharge measurements, electrochemical impedance spectroscopy, and surface temperature measurements is observed over a wide range of operating conditions (0.05C to 10C charge and discharge, 5°C to 35°C). The behavior of internal states (concentrations, potentials, temperatures) is discussed. The blend materials show a complex behavior with both intra-particle and inter-particle non-equilibria during cycling.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/3845
Bibliografische Angaben
Title (English):Modeling and Experimental Validation of a High-Power Lithium-Ion Pouch Cell with LCO/NCA Blend Cathode
Author:Serena CarelliStaff MemberORCiDGND, Michael QuartiStaff MemberORCiDGND, Mehmet C. YagciStaff MemberORCiD, Wolfgang G. BesslerStaff MemberORCiDGND
Year of Publication:2019
Publisher:The Electrochemical Society
First Page:A2990
Last Page:A3003
Parent Title (English):Journal of The Electrochemical Society
Volume:166
Issue:13
ISSN:0013-4651
DOI:https://doi.org/10.1149/2.0301913jes
URN:https://urn:nbn:de:bsz:ofb1-opus4-38454
Language:English
Inhaltliche Informationen
Institutes:Forschung / INES - Institut für nachhaltige Energiesysteme
Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
Tag:Batteries Lithium; Electrochemical Engineering; Energy Storage; blend electrode; lithium-ion battery
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt