André Hilger
YOU?
Author Swipe
View article: Wetting Interactions Between Porous Carbon Hosts and Liquid Sodium‐Potassium Alloys Toward Their Use in Negative Electrodes of Alkali‐Metal Batteries
Wetting Interactions Between Porous Carbon Hosts and Liquid Sodium‐Potassium Alloys Toward Their Use in Negative Electrodes of Alkali‐Metal Batteries Open
Batteries with liquid alkali‐metal negative electrodes offer a route to compact, high‐performance energy storage. Innovation in alkali‐metal management, i.e., controlled storage, release and transport of liquid alkali metal, can enable sim…
View article: Wetting Interactions Between Porous Carbon Hosts and Liquid Sodium-Potassium Alloys Toward Their Use in Negative Electrodes of Alkali-Metal Batteries
Wetting Interactions Between Porous Carbon Hosts and Liquid Sodium-Potassium Alloys Toward Their Use in Negative Electrodes of Alkali-Metal Batteries Open
Batteries with liquid alkali-metal negative electrodes offer a route to compact, high-performance energy storage. Innovation in alkali-metal management, i.e., controlled storage, release and transport of liquid alkali metal, can enable sim…
View article: Analysis of carbon-binder domain morphology and correlation to effective ion transport properties
Analysis of carbon-binder domain morphology and correlation to effective ion transport properties Open
View article: Data-driven stochastic 3D modeling of the nanoporous binder-conductive additive phase in battery cathodes
Data-driven stochastic 3D modeling of the nanoporous binder-conductive additive phase in battery cathodes Open
A stochastic 3D modeling approach for the nanoporous binder-conductive additive phase in hierarchically structured cathodes of lithium-ion batteries is presented. The binder-conductive additive phase of these electrodes consists of carbon …
View article: Quantifying Local Heterogeneities in the 3D Morphology of X-PVMPT Battery Electrodes Based on FIB-SEM Measurements
Quantifying Local Heterogeneities in the 3D Morphology of X-PVMPT Battery Electrodes Based on FIB-SEM Measurements Open
View article: Smart gel polymer electrolytes enlightening high safety and long life sodium ion batteries
Smart gel polymer electrolytes enlightening high safety and long life sodium ion batteries Open
View article: Quantifying local heterogeneities in the 3D morphology of X-PVMPT battery electrodes based on FIB-SEM measurements
Quantifying local heterogeneities in the 3D morphology of X-PVMPT battery electrodes based on FIB-SEM measurements Open
Organic electrode-active materials (OAMs) not only enable a variety of charge and storage mechanisms, but are also safer for the environment and of lower cost compared to materials in commonly used lithium-ion batteries. Cross-linked Poly(…
View article: Morphological Evolution of Sn‐Metal‐Based Anodes for Lithium‐Ion Batteries Using Operando X‐Ray Imaging
Morphological Evolution of Sn‐Metal‐Based Anodes for Lithium‐Ion Batteries Using Operando X‐Ray Imaging Open
Sn‐based electrodes are promising candidates for next‐generation lithium‐ion batteries. However, it suffers from deleterious micro‐structural deformation as it undergoes drastic volume changes upon lithium insertion and extraction. Progres…
View article: Fluorinated Carbon Black as Cathodic Additive for the Suppression of the Shuttle Effect in Lithium-Sulfur Batteries
Fluorinated Carbon Black as Cathodic Additive for the Suppression of the Shuttle Effect in Lithium-Sulfur Batteries Open
View article: Analysis of Carbon-Binder Domain Morphology and Correlation to Effective Ion Transport Properties
Analysis of Carbon-Binder Domain Morphology and Correlation to Effective Ion Transport Properties Open
View article: Data-driven stochastic 3D modeling of the nanoporous binder-conductive additive phase in battery cathodes
Data-driven stochastic 3D modeling of the nanoporous binder-conductive additive phase in battery cathodes Open
A stochastic 3D modeling approach for the nanoporous binder-conductive additive phase in hierarchically structured cathodes of lithium-ion batteries is presented. The binder-conductive additive phase of these electrodes consists of carbon …
View article: Investigating the flux pinning dependence on grain orientation in YBa2Cu3O7 using neutron tomography
Investigating the flux pinning dependence on grain orientation in YBa2Cu3O7 using neutron tomography Open
In this study, we report the first case of non-destructive characterization of the dependence of the flux trapping mechanism on the grain properties of a bulk type II superconductor using a combination of polarized neutron tomography and d…
View article: The importance of the adiabatic condition on polarized neutron imaging
The importance of the adiabatic condition on polarized neutron imaging Open
Polarized neutron imaging has many applications through characterization of magnetic fields generated from currents or magnetic moments. If local magnetic field directions change slowly relative to its precession frequency, the angle betwe…
View article: Spatial 3D correlation of flux pinning with porosity distribution in YBa2Cu3O7δ using tensorial neutron tomography
Spatial 3D correlation of flux pinning with porosity distribution in YBa2Cu3O7δ using tensorial neutron tomography Open
Engineering devices from High Temperature Superconductors (HTS) for practical applications such as in transport and medical imaging requires an understanding of their critical current density (JC) distribution and how the material properti…
View article: Enhancing ionic conductivity and suppressing Li dendrite formation in lithium batteries using a vinylene-linked covalent organic framework solid polymer electrolyte
Enhancing ionic conductivity and suppressing Li dendrite formation in lithium batteries using a vinylene-linked covalent organic framework solid polymer electrolyte Open
A novel solid polymer electrolyte based on chemically stable vinylene-linked covalent organic framework was developed, demonstrating enhanced Li + conductivity and improved battery performance.
View article: Progress and Perspective of Controlling Li Dendrites Growth in All‐Solid‐State Li Metal Batteries via External Physical Fields
Progress and Perspective of Controlling Li Dendrites Growth in All‐Solid‐State Li Metal Batteries via External Physical Fields Open
Li dendrites penetration through solid electrolytes (SEs) challenges the development of solid‐state Li batteries (SSLBs). To date, significant efforts are devoted to understand the mechanistic dynamics of Li dendrites nucleation, growth, a…
View article: Implementation of time of flight polarized neutron imaging at IMAT-ISIS
Implementation of time of flight polarized neutron imaging at IMAT-ISIS Open
In this study, we report the first case of design and implementation of a polarized neutron imaging option on the Imaging and Materials Science & Engineering Station (IMAT). This is a significant addition to the capabilities of the sta…
View article: B-129 Uncertainty Calculations for Reference Measurement Procedures
B-129 Uncertainty Calculations for Reference Measurement Procedures Open
Background Quantitative results based on reference measurement procedures (RMP) require the calculation of the uncertainty of the result. In order to take the uncertainty of the full traceability chain into account a modularisation of the …
View article: 3D Multiscale Lithium‐Ion Cell Modeling for LiFePO<sub>4</sub>Freeze‐Casted Electrode Structures Using Synchrotron X‐Ray and FIB/SEM Tomography
3D Multiscale Lithium‐Ion Cell Modeling for LiFePO<sub>4</sub>Freeze‐Casted Electrode Structures Using Synchrotron X‐Ray and FIB/SEM Tomography Open
The performance of batteries and the associated operating areas depend, among other things, on the 3D microstructures of the electrode materials, and thus fundamental research is required in the field of electrode design. A multiscale micr…
View article: Unveiling the impact of crosslinking redox-active polymers on their electrochemical behavior by 3D imaging and statistical microstructure analysis
Unveiling the impact of crosslinking redox-active polymers on their electrochemical behavior by 3D imaging and statistical microstructure analysis Open
Polymer-based batteries offer potentially higher power densities and a smaller ecological footprint compared to state-of-the-art lithium-ion batteries comprising inorganic active materials. However, in order to benefit from this potential …
View article: Quantitative Comparison of Different Approaches for Reconstructing the Carbon‐Binder Domain from Tomographic Image Data of Cathodes in Lithium‐Ion Batteries and Its Influence on Electrochemical Properties
Quantitative Comparison of Different Approaches for Reconstructing the Carbon‐Binder Domain from Tomographic Image Data of Cathodes in Lithium‐Ion Batteries and Its Influence on Electrochemical Properties Open
The cover shows the 3D microstructure of a cathode in a lithium-ion battery, which is crucial for the resulting electrochemical performance. In particular, the lateral faces show two different three-phase reconstructions obtained by a clos…
View article: Designing Solvated Double‐Layer Polymer Electrolytes with Molecular Interactions Mediated Stable Interfaces for Sodium Ion Batteries
Designing Solvated Double‐Layer Polymer Electrolytes with Molecular Interactions Mediated Stable Interfaces for Sodium Ion Batteries Open
Unstable cathode‐electrolyte and/or anode‐electrolyte interface in polymer‐based sodium‐ion batteries (SIBs) will deteriorate their cycle performance. Herein, a unique solvated double‐layer quasi‐solid polymer electrolyte (SDL‐QSPE) with h…
View article: A Data-Driven Modeling Approach to Quantify Morphology Effects on Transport Properties in Nanostructured Nmc Particles
A Data-Driven Modeling Approach to Quantify Morphology Effects on Transport Properties in Nanostructured Nmc Particles Open
View article: Sample Layout Aiding Efficient Scans of Heterogeneous Sheet-Like Materials
Sample Layout Aiding Efficient Scans of Heterogeneous Sheet-Like Materials Open
3D image of a sample layout that enables a more efficient structure acquisition of heterogeneous sheet-like materials like paper with X-ray computed microscopy
View article: Phase Transformation and Microstructural Evolution of CuS Electrodes in Solid‐State Batteries Probed by In Situ 3D X‐Ray Tomography
Phase Transformation and Microstructural Evolution of CuS Electrodes in Solid‐State Batteries Probed by In Situ 3D X‐Ray Tomography Open
Copper sulfide shows some unique physico‐chemical properties that make it appealing as a cathode active material (CAM) for solid‐state batteries (SSBs). The most peculiar feature of the electrode reaction is the reversible formation of µm‐…
View article: Quantitative Comparison of Different Approaches for Reconstructing the Carbon‐Binder Domain from Tomographic Image Data of Cathodes in Lithium‐Ion Batteries and Its Influence on Electrochemical Properties
Quantitative Comparison of Different Approaches for Reconstructing the Carbon‐Binder Domain from Tomographic Image Data of Cathodes in Lithium‐Ion Batteries and Its Influence on Electrochemical Properties Open
It is well known that the spatial distribution of the carbon‐binder domain (CBD) offers a large potential to further optimize lithium‐ion batteries. However, it is challenging to reconstruct the CBD from tomographic image data obtained by …
View article: Classification of FIB/SEM-tomography images for highly porous multiphase materials using random forest classifiers
Classification of FIB/SEM-tomography images for highly porous multiphase materials using random forest classifiers Open
FIB/SEM tomography represents an indispensable tool for the characterization of three-dimensional nanostructures in battery research and many other fields. However, contrast and 3D classification/reconstruction problems occur in many cases…
View article: 3D microstructure characterization of polymer battery electrodes by statistical image analysis based on synchrotron X-ray tomography
3D microstructure characterization of polymer battery electrodes by statistical image analysis based on synchrotron X-ray tomography Open
Polymer-based batteries represent a promising concept for next-generation energy storage due to their potentially higher power densities and smaller ecological footprint, compared to classical Li-ion batteries. Since the microstructure of …
View article: Constructing Binder‐ and Carbon Additive‐Free Organosulfur Cathodes Based on Conducting Thiol‐Polymers through Electropolymerization for Lithium‐Sulfur Batteries
Constructing Binder‐ and Carbon Additive‐Free Organosulfur Cathodes Based on Conducting Thiol‐Polymers through Electropolymerization for Lithium‐Sulfur Batteries Open
Herein, the concept of constructing binder‐ and carbon additive‐free organosulfur cathode was proved based on thiol‐containing conducting polymer poly(4‐(thiophene‐3‐yl) benzenethiol) (PTBT). The PTBT featured the polythiophene‐structure m…
View article: Fabrication and characterization of porous mullite ceramics derived from fluoride-assisted Metakaolin-Al(OH)3 annealing for filtration applications
Fabrication and characterization of porous mullite ceramics derived from fluoride-assisted Metakaolin-Al(OH)3 annealing for filtration applications Open