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SUMMARY:Regeneration of materials for a waste free future
DTSTART:20181121T103000
DTEND:20181121T113000
DTSTAMP:20260427T201936Z
UID:e07344e2dee9260e1bf8cfcd0942060d351afd824df4e6130e444c98
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Anke Weidenkaff\n\nUniversität Stuttgart\nThe prerequis
 ite for electronic waste elimination is a durable active material with thi
 s the constant regeneration of the structure under e.g. electrical current
 \, thermochemical and heating cooling cycles.\nElectroceramics are indispe
 nsable materials for nearly all energy converters (1\,2) and very often ad
 opt the versatile perovskite structure.\nPerovskite-type ceramics as well 
 as their nanocomposites can be tuned to enable for multifunctional energy 
 converters to reduce the use of critical materials. A good performance rel
 ies on their flexible crystal structure being able to accommodate defects 
 during electrical\, thermal and chemical redox processes. The design of a 
 regenerative  material is based on theoretical models and knowledge on co
 mposition-structure-property relationship. The perovskite structure allows
  diverse substitution reactions to tune the band structure\, charge carrie
 r density and mobility as well as thermal and ionic transport.\nThe electr
 onic mobility can become high while the ionic and thermal conductivity can
  remain low. Strongly correlated electronic systems are employed as additi
 onal design elements for a targeted materials design (3).\nTailored soft c
 hemistry synthesis methods result in nanostructured regenerative oxide mat
 erials as well as nitride and chalcogenite phases. These materials are cha
 racterized and tested in-situ for e.g. high temperature thermoelectric and
  catalytic applications to improve the efficiency and energy density of en
 ergy conversion devices.\n 
LOCATION:I17 4 K2 https://plan.epfl.ch/?room==I17%204%20K2
STATUS:CONFIRMED
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