Now showing items 671-680 of 704
Incorporate elastic and inelastic scattering into image calculation for low-voltage transmission electron microscope
In this work, we have studied the dependence of image contrast on different parameters for low voltage TEM by means of image calculation. For pure elastic scattering, we have utilized a semi-experimental model which ...
Nichtkovalente Modifikation amyloider Peptidfibrillen zur Herstellung bioaktiver Nanomaterialien
In this work the specific functionalization of amyloid fibrils and their usage as versatile bionanomaterials is described. Additionally, a short insight into the application of these structures to address challenges in ...
Quantum dynamics with trapped ions
(Universität Ulm, 2018-07-19)
Trapped atomic ions are one of the leading platforms for quantum simulations. Recently, they have also established themselves as a testbed for classical statistical mechanics and mesoscopic systems. The challenges in ...
Verfahrenstechnische Entwicklung und Untersuchung von Elektroden und deren Herstellprozess für innovative Lithium-Hochleistungsbatterien
Nowadays, lithium-ion batteries have been widely used in small portable devices and automotive applications due to their high energy and power density. A proper tailoring of the electrodes can greatly improve both the ...
The hierarchical organisation of cuticle in the basis-coxa joint of terrestrial isopods: variations in structure and composition adapt the cuticle for movement, support and stability
(Universität Ulm, 2019-03-14)
This research on crustacean cuticle focuses on a correlation between architecture and function of a joint connecting a pereiopod (walking leg) to the body in isopods. In general, research on biological materials aims to ...
Heat transport in open quantum chains: currents, fluctuations, and rectification
(Universität Ulm, 2019-04-18)
This cumulative thesis addresses the subject of thermal energy transport in quantum systems. Based on an exact stochastic description of the system‘s interaction with its environment, a numerically efficient and flexible ...
The Effect of Voltage Cycling on Catalyst Degradation in Automotive PEM Fuel Cells
(Universität Ulm, 2019-04-11)
Durability and cost are the two major remaining challenges for the commercialization of fuel cells in passenger vehicles. The platinum catalyst is one of the most expensive components in a fuel cell and degrades during ...
Research and optimizations of iron composites as negative electrode materials for aqueous alkaline batteries
(Universität Ulm, 2019-04-09)
Iron is one of the most abundant elements in the earth’s crust and its applications are myriad; one of them is electrochemical storage of energy as battery electrodes. Despite the potential economic advantages, its extensive ...
Nanostructured Ni(OH)2 and MnO2 cathode designs for aqueous asymmetric double layer capacitors
(Universität Ulm, 2019-04-29)
The roles of the current collectors in electrode fabrication and designs for electrochemical energy storage devices have become increasingly important. Ni based current collectors have been deployed in aqueous-alkaline ...
Die Herstellung von Scaffolds zur Gewebezucht auf Basis von mesoporösen Silicananopartikeln sowie die detaillierte Charakterisierung PEGylierter Partikel
(Universität Ulm, 2019-04-03)
In der vorliegenden Dissertation wird die Entwicklung von Substraten, in denen mesoporöse Silicananopartikel (MSN) verarbeitet sind, für das Tissue Engineering in Hinblick auf biomedizinische Anwendungen beschrieben. Da ...