Prof.
Mogens Christensen
(Aarhus University)
21/07/2016, 08:40
Energy storage & transformation
Keynote
Energy efficiency of existing sources can be improved by reducing heat losses, thermoelectric materials has the capability of interconverting between electricity and a temperature gradient. The wanted properties of thermoelectrics can be summarized, as the a “Phonon-Glass, Electron-Crystal” (PGEC) [1]. In host-guest systems, the host structure is considered to be the electron crystal, while...
Mr
Nikolaos Biniskos
(Jülich Centre for Neutron Science, Forschungszentrum Juelich GmbH, Outstation at ILL, Grenoble, France/CEA-Grenoble, INAC MEM, 38054 Grenoble, France)
21/07/2016, 09:50
Energy storage & transformation
Contributed
The magnetocaloric cooling process is based on the magnetocaloric effect (MCE) where entropy changes of a magnetic material in an applied magnetic field are tied to adiabatic changes in temperature. An entropy transfer between crystal lattice and the magnetic spin system has to take place. A large MCE at room temperature and low magnetic field for a material with abundant and environmentally...
Mr
Xuefei Miao
(Delft University of Technology)
21/07/2016, 09:30
Energy storage & transformation
Invited
Magnetic refrigeration has been considered to be the most promising technology to replace vapor-compression for near room-temperature refrigeration applications. Magnetic refrigeration is based on the magnetocaloric effect (MCE). The MCE is a phenomenon, in which a temperature change is caused by exposure of a magnetic material to a changing magnetic field. The cooling efficiency of magnetic...
Ilya Sergeev
(DESY)
21/07/2016, 10:10
Advanced and Complementary methods
Invited
The word’s demand of the sustainable energy and efficient heat-to-energy conversion brings high interest to the thermoelectric materials. Between all new materials one of the promising classes is the structures containing empty voids filled by loosely bound “rattling” atoms, like skutterudites and clathrates which strongly scatter the propagating acoustic phonons thus decreasing the thermal...
