Jonas Keil
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View article: Tagungsbericht Liken, Teilen, Regulieren – die Zukunft der Plattformregulierung
Tagungsbericht Liken, Teilen, Regulieren – die Zukunft der Plattformregulierung Open
Mit fortschreitender Digitalisierung sind Online-Plattformen zu einem unverzichtbaren und nahezu alle gesellschaftlichen Bereiche umfassenden Kommunikationsmedium gewachsen. Diese Entwicklung bedeutet insbesondere für den Vollzug staatlich…
View article: Electrochemical Modeling of Linear and Nonlinear Aging of Lithium-Ion Cells
Electrochemical Modeling of Linear and Nonlinear Aging of Lithium-Ion Cells Open
We present an electrochemical aging model with solid electrolyte interphase (SEI) formation, SEI re-formation due to cracking of the layer during graphite expansion, lithium plating when the potential of the negative electrode becomes nega…
View article: Linear and Nonlinear Aging of Lithium-Ion Cells Investigated by Electrochemical Analysis and In-Situ Neutron Diffraction
Linear and Nonlinear Aging of Lithium-Ion Cells Investigated by Electrochemical Analysis and In-Situ Neutron Diffraction Open
In this paper, we present an aging study of commercial 18650-type C/LiNi0.33Mn0.33Co0.33O2 lithium-ion cells. The test procedure comprises varying charging currents, discharging currents and resting times between cycles. The cells show a n…
View article: Influence of Cell-to-Cell Variations on the Inhomogeneity of Lithium-Ion Battery Modules
Influence of Cell-to-Cell Variations on the Inhomogeneity of Lithium-Ion Battery Modules Open
Inhomogeneity within lithium-ion battery modules can occur due to variations in capacity and impedance of the connected cells as well as due to thermal gradients or cell connector design. We present a model for describing xSyP battery modu…
View article: A SEI Modeling Approach Distinguishing between Capacity and Power Fade
A SEI Modeling Approach Distinguishing between Capacity and Power Fade Open
In this paper we introduce a pseudo two-dimensional (P2D) model for a common lithium-nickel-cobalt-manganese-oxide versus graphite (NCM/graphite) cell with solid electrolyte interphase (SEI) growth as the dominating capacity fade mechanism…
View article: Rezension: Libertatia (Ja, Panik)
Rezension: Libertatia (Ja, Panik) Open
Die Popgruppe Ja, Panik lotet auf ihrem fünften Album die Möglichkeiten eines Lebens in Freiheit aus – auf und vor allem abseits der Insel.