Sökning: "QENS"
Visar resultat 6 - 9 av 9 avhandlingar innehållade ordet QENS.
6. Neutron scattering investigations of proton dynamics in acceptor doped barium zirconates
Sammanfattning : Hydrogen fuel cells represent one of the most promising sustainable technologies for energy conversion. The advantages of the combination of a solid state electrolyteand low operational temperatures (... LÄS MER
7. Structure-dynamics relationships in perovskite oxyhydrides and alkali silanides
Sammanfattning : This thesis focuses on investigations of the local structure and dynamics of two classes of hydrogen-containing, energy relevant, materials; perovskite type oxyhydrides BaTiO3-xHx and alkali silanides ASiH3 (A = K and Rb). In the area of oxyhydrides, which are of relevance for the development of electrolytes in fuel cells and batteries, the aim is to elucidate the dynamics and electronic character of the hydrogen species in the materials. LÄS MER
8. Microscopic Dynamics and Structure of some Polymer-based Electrolytes
Sammanfattning : The electrolyte is a key component in high-capacity lithium batteries and there is a large demand for improved materials to increase the performance. Polymer-based electrolytes offer advantages in the design of safer and lighter batteries. LÄS MER
9. Neutron Scattering Experiments and Computer Simulation Studies of a Polymer Electrolyte
Sammanfattning : Polymer electrolytes are regarded as key components in promising new types of batteries for portable electronic devices and electric cars. Batteries for such applications require polymer electrolytes with improved properties, e.g. a higher ionic conductivity. LÄS MER