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De materiële cultuur van de nacht: huishoudelijke verlichting in de achttiende eeuw Vrije Universiteit Brussel
Thin Films of FePt studied via Nuclear Probe Techniques. KU Leuven
De legering van ijzer en platinum (FePt) geordend in de L10 kristalfase heeft een hoge magnetokristallijne anisotropie waarvan de zachte magnetisatie-as volgens de stapelrichting van de alternerende Fe- en Pt-atoomvlakken ligt. Het aantal publicaties over L10-FePt is de laatste tien jaar exponentieel gestegen. Anticiperend op de technologische toepassingen, beschrijven vele van deze publicaties procedures om magnetisch harde FePt-korrels op een ...
LEREN VAN TISSERGATE KU Leuven
LEREN VAN TISSERGATE Denken en werken rond het ontwerpen van dichte stedelijke gemeenschappen voor morgen met een nieuwe sociale orde en dit communiceren met de juiste tools om een maatschappelijk discours te openen. 1. Inleiding Hoe moeten we tegen 2050 in een veranderende wereld negen miljard mensen op een kwalitatieve stedenbouwkundige en architecturale manier huisvesten? Dit is een vraagstuk dat reeds lange tijd speelt, maar omwille van de ...
Manganese dioxide nanosheet functionalized reduced graphene oxide as a compacted cathode matrix for lithium–sulphur batteries with a low electrolyte/sulphur ratio KU Leuven
Lithium–sulphur (Li–S) batteries are interesting due to their high theoretical capacity and energy density. However, their commercial implementation is impeded by the lack of suitable sulphur cathodes that have high electrochemical stability and high sulphur loading using a low electrolyte/sulphur ratio. In this work, reduced graphene oxide functionalized with MnO2 nanosheets was demonstrated as a sulphur cathode (MnO2@rGO/S). The high polarity ...
Cu-Mo Bimetal Modulated Multifunctional Carbon Nanofibers Promoting the Polysulfides Conversion for High-Sulfur-Loading Lithium-Sulfur Batteries KU Leuven
High sulfur loading is essential for achieving high energy density lithium-sulfur (Li-S) batteries. However, serious issues such as low sulfur utilization, poor cycling stability, and sluggish rate performance have been exposed when increasing the sulfur loading for freestanding cathodes. To solve these problems, the adsorption/catalytic ability of high-sulfur-loading cathode toward polysulfides must be improved. Herein, based on excellent ...
Ultra-Low Concentration Electrolyte Enabling LiF-Rich SEI and Dense Plating/Stripping Processes for Lithium Metal Batteries KU Leuven
The interface structure of the electrode is closely related to the electrochemical performance of lithium-metal batteries (LMBs). In particular, a high-quality solid electrode interface (SEI) and uniform, dense lithium plating/stripping processes play a key role in achieving stable LMBs. Herein, a LiF-rich SEI and a uniform and dense plating/stripping process of the electrolyte by reducing the electrolyte concentration without changing the ...
Stabilized and Almost Dendrite-Free Li Metal Anodes by In Situ Construction of a Composite Protective Layer for Li Metal Batteries KU Leuven
Li metal anodes (LMAs) are promising candidates for the anodes of high-energy-density batteries due to their lower reduction potential and high specific capacity. Unfortunately, LMAs usually suffer from uncontrollable Li plating and insecure solid electrolyte interphase layers, especially when used in conjunction with carbonate-based electrolytes. Herein, we proposed using metal alkoxides of titanium butyrate to react with hydroxyl groups on Li ...
The decay mechanism related to structural and morphological evolution in lithium-rich cathode materials for lithium-ion batteries KU Leuven
Li‐rich oxides have garnered intense interest recently for their excellent capacity in rechargeable lithium‐ion batteries (LIBs). However, poor cycling stability and capacity degradation during the cycling process impede their practical application. Herein, two ball‐shaped cobalt‐free oxide materials, Li1.1Mg0.05Ni0.3Mn0.55O2 and Li1.1Zn0.05Ni0.3Mn0.55O2, which exhibit excellent cycling performance at a high current between 2 V and 4.8 V, are ...