Fridolin Röder
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View article: Insight into the Impact of Electrolyte on Passivation of Lithium–Sulfur Cathodes
Insight into the Impact of Electrolyte on Passivation of Lithium–Sulfur Cathodes Open
One of the remaining challenges for lithium–sulfur batteries toward practical application is early cathode passivation by the insulating discharge product: Li 2 S. To understand how to best mitigate passivation and minimize related perform…
View article: A fundamental study on cyclic voltammetry at porous carbon thin-film electrodes
A fundamental study on cyclic voltammetry at porous carbon thin-film electrodes Open
Porous carbons represent an important group of electrode materials for electrochemical applications due to their high specific surface area, good conductivity, and intrinsic porosity. However, the often-neglected influence of the electrode…
View article: Lithium-ion battery cell formation: status and future directions towards a knowledge-based process design
Lithium-ion battery cell formation: status and future directions towards a knowledge-based process design Open
This review examines the key process of lithium-ion battery cell formation. Influencing factors, challenges, experimental and simulation tools required for knowledge-based process design of current and emerging battery technologies are add…
View article: Cover Feature: Revealing the Impact of Particle Size Distribution on Ageing of Lithium‐Ion Batteries with Frequency Response Analysis (Batteries & Supercaps 10/2023)
Cover Feature: Revealing the Impact of Particle Size Distribution on Ageing of Lithium‐Ion Batteries with Frequency Response Analysis (Batteries & Supercaps 10/2023) Open
The Cover Feature shows the particle-size specific ageing in lithium-ion batteries and its detection with nonlinear and linear frequency response analysis methods. More information can be found in the Research Article by U. Krewer and co-w…
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file. …
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file.…
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file. …
View article: Revealing the Impact of Particle Size Distribution on Ageing of Lithium‐Ion Batteries with Frequency Response Analysis
Revealing the Impact of Particle Size Distribution on Ageing of Lithium‐Ion Batteries with Frequency Response Analysis Open
In‐depth analyses, including discharge behaviour, electrochemical impedance analysis, and for the first time, nonlinear frequency response analysis, are conducted on the ageing of negative electrodes with varying particle size distribution…
View article: Species Distribution During Solid Electrolyte Interphase Formation on Lithium Using MD/DFT-Parameterized Kinetic Monte Carlo Simulations
Species Distribution During Solid Electrolyte Interphase Formation on Lithium Using MD/DFT-Parameterized Kinetic Monte Carlo Simulations Open
Lithium metal batteries are one of the promising technologies for future energy storage. One open challenge is the generation of a stable and well performing Solid Electrolyte Interphase (SEI) between lithium metal and electrolyte. Underst…
View article: Characterization of the Solid–Electrolyte Interphase Growth During Cell Formation Based on Differential Voltage Analysis
Characterization of the Solid–Electrolyte Interphase Growth During Cell Formation Based on Differential Voltage Analysis Open
The solid–electrolyte interphase (SEI) in lithium‐ion batteries is mainly built during cell formation. The SEI significantly influences safety, aging, and performance. Due to the manifold influential factors, it is time‐consuming to system…
View article: A Review and Perspective on Path Dependency in Batteries
A Review and Perspective on Path Dependency in Batteries Open
Reliability of battery state estimation and lifetime prediction is essential to develop operation strategies that improve lifetime, safety, and sustainability. However, this is difficult, because of complex phenomena such as path dependenc…
View article: Assessment of Core-Shell and Agglomerate Particle Design for All-Solid-State Batteries
Assessment of Core-Shell and Agglomerate Particle Design for All-Solid-State Batteries Open
All-solid state lithium polymer batteries are promising next-generation batteries with high safety and energy density. Their success depends on an improved design with a tailored cathode manufacturing process. To facilitate a knowledge-dri…
View article: Analysis of Lithium‐Ion Battery State and Degradation via Physicochemical Cell and SEI Modeling
Analysis of Lithium‐Ion Battery State and Degradation via Physicochemical Cell and SEI Modeling Open
The quality of lithium‐ion batteries is affected by the formation of the solid electrolyte interphase (SEI). For a better understanding of its effect on cell performance and aging, fast and economically scalable SEI diagnostics are indispe…
View article: Myth and Reality of a Universal Lithium‐Ion Battery Electrode Design Optimum: A Perspective and Case Study
Myth and Reality of a Universal Lithium‐Ion Battery Electrode Design Optimum: A Perspective and Case Study Open
The quest toward optimal electrode design for energy‐ and power‐demanding applications involves besides experimental effort also less resource‐intensive model‐based studies. The diversity of optimization objectives and benchmark systems co…
View article: Impact of Particle Size Distribution on Performance of Lithium‐Ion Batteries
Impact of Particle Size Distribution on Performance of Lithium‐Ion Batteries Open
This work reveals the impact of particle size distribution of spherical graphite active material on negative electrodes in lithium‐ion batteries. Basically all important performance parameters, i. e. charge/discharge characteristics, capac…
View article: Modeling the Impact of Manufacturing Uncertainties on Lithium-Ion Batteries
Modeling the Impact of Manufacturing Uncertainties on Lithium-Ion Batteries Open
This paper describes and analyzes the propagation of uncertainties from the lithium-ion battery electrode manufacturing process to the structural electrode parameters and the resulting varying electrochemical performance. It uses a multi-l…
View article: Cover Feature: Physico‐Chemical Modeling of a Lithium‐Ion Battery: An Ageing Study with Electrochemical Impedance Spectroscopy (Batteries & Supercaps 6/2019)
Cover Feature: Physico‐Chemical Modeling of a Lithium‐Ion Battery: An Ageing Study with Electrochemical Impedance Spectroscopy (Batteries & Supercaps 6/2019) Open
The Cover Feature shows aging lithium-ion batteries on a timeline each with a digital half in binary code visualising a battery model. Impedance spectroscopy is applied comparing measurement and simulation results. More information can be …
View article: Model‐Based Uncertainty Quantification for the Product Properties of Lithium‐Ion Batteries
Model‐Based Uncertainty Quantification for the Product Properties of Lithium‐Ion Batteries Open
A model‐based uncertainty quantification (UQ) approach is applied to the manufacturing process of lithium‐ion batteries (LIB). Cell‐to‐cell deviations and the influence of sub‐cell level variations in the material and electrode properties …
View article: Physico‐Chemical Modeling of a Lithium‐Ion Battery: An Ageing Study with Electrochemical Impedance Spectroscopy
Physico‐Chemical Modeling of a Lithium‐Ion Battery: An Ageing Study with Electrochemical Impedance Spectroscopy Open
Electrochemical Impedance Spectroscopy measurements and simulations are performed on a nickel manganese cobalt oxide (NMC)/graphite pouch cell. A physico‐chemical continuum battery model is extended by a physical ageing model including a S…