Bernhard Roling
YOU?
Author Swipe
View article: Comparing the SEI Formation on Copper and Amorphous Carbon: A Study with Combined Operando Methods
Comparing the SEI Formation on Copper and Amorphous Carbon: A Study with Combined Operando Methods Open
The solid electrolyte interphase (SEI) on the anode of lithium-ion batteries (LIBs) has been studied thoroughly due to its crucial importance to the battery’s long-term performance. At the same time, most studies of the SEI apply ex situ c…
View article: Comparing the SEI Formation on Copper and Amorphous Carbon: A Study with Combined Operando Methods
Comparing the SEI Formation on Copper and Amorphous Carbon: A Study with Combined Operando Methods Open
The solid electrolyte interphase (SEI) on the anode of lithium-ion-batteries (LIB) has been studied thoroughly due to its crucial importance to the battery’s long-term performance. At the same time, most studies of the SEI apply ex situ ch…
View article: Transport and Reaction of Electrons and Molecules in Solid Electrolyte Interphases formed at Different Electrode Potentials: A Combined Experimental and Modeling Approach
Transport and Reaction of Electrons and Molecules in Solid Electrolyte Interphases formed at Different Electrode Potentials: A Combined Experimental and Modeling Approach Open
Good passivation properties of the solid electrolyte interphase (SEI) on the graphite‐based negative electrode are essential for a long cycle life of lithium‐ion batteries. Nevertheless, the underlying electron and molecule transport mecha…
View article: Combining Operando Techniques for an Accurate Depiction of the SEI Formation in Lithium-Ion Batteries
Combining Operando Techniques for an Accurate Depiction of the SEI Formation in Lithium-Ion Batteries Open
Its crucial importance to the long-term operation of lithium-ion batteries has made the solid electrolyte interphase (SEI) the subject of intensive research efforts. These investigations are challenging, however, due to the very complex an…
View article: Quantification of vehicular <i>versus</i> uncorrelated Li<sup>+</sup>–solvent transport in highly concentrated electrolytes <i>via</i> solvent-related Onsager coefficients
Quantification of vehicular <i>versus</i> uncorrelated Li<sup>+</sup>–solvent transport in highly concentrated electrolytes <i>via</i> solvent-related Onsager coefficients Open
Based on a volume conservation constraint, we obtain solvent-related Onsager coefficients and derive a quantitative parameter characterizing vehicular Li + –solvent transport.
View article: Benchmarking the reproducibility of all-solid-state battery cell performance
Benchmarking the reproducibility of all-solid-state battery cell performance Open
The interlaboratory comparability and reproducibility of all-solid-state battery cell cycling performance are poorly understood due to the lack of standardized set-ups and assembly parameters. This study quantifies the extent of this varia…
View article: Lithium ion dynamics and transport in the halide-rich argyrodite Li5.5PS4.5Cl1.5: Influence of heat treatment on cooperativity, heterogeneity and subdiffusion
Lithium ion dynamics and transport in the halide-rich argyrodite Li5.5PS4.5Cl1.5: Influence of heat treatment on cooperativity, heterogeneity and subdiffusion Open
We combine 7Li NMR relaxometry and diffusometry with electrochemical impedance spectroscopy to unravel the mechanisms for the dynamics and transport of lithium ions in the lithium-deficient and halide-rich argyrodite Li5.5PS4.5Cl1.5. In pa…
View article: Overdetermination method for accurate dynamic ion correlations in highly concentrated electrolytes
Overdetermination method for accurate dynamic ion correlations in highly concentrated electrolytes Open
An experimental overdetermination method and a Reverse Monte Carlo-based approach lead to strongly reduced uncertainties of transport parameters for highly concentrated electrolytes and to accurate information about ion correlations and tr…
View article: Ionic fluids at equilibrium: thermodynamics, nanostructure, phase behaviour, activity: general discussion
Ionic fluids at equilibrium: thermodynamics, nanostructure, phase behaviour, activity: general discussion Open
This paper constitutes a presentation of work in progress at a discussion\nsession of the conference Dense ionic fluids Faraday Discussion, 8-10 July\n2024, London, and is published on pages 293-295 in Ref. [Faraday Discuss. 2024,\nvolume …
View article: Deciphering the Nature of an Overlooked Rate‐Limiting Interphase in High‐Voltage LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> Cathodes: A Combined Electrochemical Impedance, Scanning Electron Microscopy and Secondary Ion Mass Spectrometry Study
Deciphering the Nature of an Overlooked Rate‐Limiting Interphase in High‐Voltage LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> Cathodes: A Combined Electrochemical Impedance, Scanning Electron Microscopy and Secondary Ion Mass Spectrometry Study Open
High‐voltage cathode active materials, such as LiNi 0.5 Mn 1.5 O 4 (LNMO), are of major interest for the development of high‐energy lithium‐ion batteries. However, it has been reported that composite cathodes based on high‐voltage active m…
View article: Deposition‐Type Lithium Metal All‐Solid‐State Batteries: About the Importance of Stack‐Pressure Control and the Benefits of Hot Pressing during Initial Cycling
Deposition‐Type Lithium Metal All‐Solid‐State Batteries: About the Importance of Stack‐Pressure Control and the Benefits of Hot Pressing during Initial Cycling Open
The concept of using metallic lithium as anode material offers great potential for increasing the energy density of lithium‐ion batteries (LIBs). However, the ubiquitous formation of dendrites during lithium plating has prevented this so f…
View article: Ion Dynamics in Concentrated Electrolyte Solutions: Relating Equilibrium Fluctuations of the Ions to Transport Properties in Battery Cells
Ion Dynamics in Concentrated Electrolyte Solutions: Relating Equilibrium Fluctuations of the Ions to Transport Properties in Battery Cells Open
In recent years, the interest in the development of highly concentrated electrolyte solutions for battery applications has increased enormously. Such electrolyte solutions are typically characterized by a low flammability, a high thermal a…
View article: CCDC 2190609: Experimental Crystal Structure Determination
CCDC 2190609: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2190607: Experimental Crystal Structure Determination
CCDC 2190607: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2190608: Experimental Crystal Structure Determination
CCDC 2190608: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2190606: Experimental Crystal Structure Determination
CCDC 2190606: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: What Limits the Rate Capability of Ultrathick Composite Electrodes in Lithium‐Ion Batteries? A Case Study on the Thickness‐Dependent Impedance of LiCoO<sub>2</sub> Cathodes
What Limits the Rate Capability of Ultrathick Composite Electrodes in Lithium‐Ion Batteries? A Case Study on the Thickness‐Dependent Impedance of LiCoO<sub>2</sub> Cathodes Open
Increasing the thickness of composite electrodes in lithium‐ion batteries from about 80–100 μm in state‐of‐the‐art commercial cells to several 100 μm would enhance the energy density, however at the expense of the power density. Despite th…
View article: Ionic Conductivity versus Particle Size of Ball‐Milled Sulfide‐Based Solid Electrolytes: Strategy Towards Optimized Composite Cathode Performance in All‐Solid‐State Batteries
Ionic Conductivity versus Particle Size of Ball‐Milled Sulfide‐Based Solid Electrolytes: Strategy Towards Optimized Composite Cathode Performance in All‐Solid‐State Batteries Open
For the fabrication of high‐energy and high‐power all‐solid‐state batteries (ASSBs), easily synthesizable solid electrolytes are needed, which enable fast ion transport inside the composite cathode as well as good contacts between cathode …
View article: Transport of Ions, Molecules, and Electrons across the Solid Electrolyte Interphase: What Is Our Current Level of Understanding?
Transport of Ions, Molecules, and Electrons across the Solid Electrolyte Interphase: What Is Our Current Level of Understanding? Open
The solid electrolyte interphase (SEI) on the graphite particles of lithium‐ion battery anodes passivates the anode against electrolyte reduction due to electron transfer reactions, and a stable and well‐passivating SEI is an important pre…
View article: Three‐Phase Reconstruction Reveals How the Microscopic Structure of the Carbon‐Binder Domain Affects Ion Transport in Lithium‐Ion Batteries
Three‐Phase Reconstruction Reveals How the Microscopic Structure of the Carbon‐Binder Domain Affects Ion Transport in Lithium‐Ion Batteries Open
The morphology of the electrolyte‐filled pore space in lithium‐ion batteries is determined by the solid microstructure formed by μm‐sized active material particles and the smaller‐featured carbon binder domain (CBD). Tomographic reconstruc…
View article: CSD 2055319: Experimental Crystal Structure Determination
CSD 2055319: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2055321: Experimental Crystal Structure Determination
CSD 2055321: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: A General Classification of Electrolyte Solutions Based on Their Charge and Mass Transport Properties
A General Classification of Electrolyte Solutions Based on Their Charge and Mass Transport Properties Open
The conventional classification of electrolyte solutions as 'strong' or 'weak' accounts for their charge transport properties, but neglects their mass transport properties, and is not readily applicable to highly concentrated solutions. He…
View article: A General Classification of Electrolyte Solutions Based on Their Charge\n and Mass Transport Properties
A General Classification of Electrolyte Solutions Based on Their Charge\n and Mass Transport Properties Open
The conventional classification of electrolyte solutions as 'strong' or\n'weak' accounts for their charge transport properties, but neglects their mass\ntransport properties, and is not readily applicable to highly concentrated\nsolutions.…