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Modellierung von Kennlinien, Impedanzspektren und thermischem Verhalten einer Lithium-Eisenphosphat-Batterie

Mielke, Wolfgang (2011) Modellierung von Kennlinien, Impedanzspektren und thermischem Verhalten einer Lithium-Eisenphosphat-Batterie. Master's, Universität Stuttgart.

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Abstract

The topic of this thesis is to determine and set parameters for the simulation of a lithium-iron-phosphate battery. The simulation runs with the program DENIS developed by Dr. Wolfgang G. Bessler et al. It determines the electrochemistry and the multi-scale approach for the heat and mass transfer in the range of size from a battery below to nanoscale. In this disquisition the parameters are obtained by comparing the simulation with experimental data from different discharge curves at several C-rates and a 1C-rate at different temperatures. Further information can be received from impedance spectra on different states of charge. In the nal part there is given an outlook on the thermal simulation with DENIS.

Item URL in elib:https://elib.dlr.de/71383/
Document Type:Thesis (Master's)
Additional Information:Betreuer am DLR: Dr. Wolfgang G. Bessler, Christian Hellwig
Title:Modellierung von Kennlinien, Impedanzspektren und thermischem Verhalten einer Lithium-Eisenphosphat-Batterie
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mielke, WolfgangWolfgang.Mielke (at) dlr.deUNSPECIFIED
Date:September 2011
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:97
Keywords:LiPF6, Lithium-Iron-Phophate-Akkumulator, (thermal) Modelling, DENIS, C-rates, multi-scale approach, impedance spectra
Institution:Universität Stuttgart
Department:Institut für Thermodynamik und Wärmetechnik
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion (old)
HGF - Program Themes:E EV - Energy process technology (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Elektrochemische Prozesse (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics
Deposited By: Mielke, Wolfgang
Deposited On:08 Nov 2011 11:37
Last Modified:31 Jul 2019 19:33

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