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SUMMARY:Structure and Dynamics in Batteries\, Supercapacitors and Fuel Cel
 l Materials
DTSTART:20161026T171500
DTEND:20161026T181500
DTSTAMP:20260407T064128Z
UID:47855d9585c077424c15cc2af0dbe43b9b5fa700eb14155b4713a253
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Clare P. Grey\, University of Cambridge\nBio: Associate 
 Director\, Northeastern Center for Chemical Energy Storage\n\nGeoffrey Moo
 rhouse Gibson Professor of Chemistry\, Cambridge University\, UK.\n\nB.A. 
 1987\nPh.D. University of Oxford\, 1991\nJunior Research Fellow\, Balliol 
 College\, University of Oxford 1990\nRoyal Society Postdoctoral Fellow\, U
 niversity of Nijmegen\, the Netherlands 1991-1992\nApplication of New Expe
 rimental and Theoretical Approaches to Study Function\n\nThis talk will de
 scribe recent applications of NMR spectroscopy and pair distribution funct
 ion (PDF) analysis of total scattering data to study electrode materials f
 or energy storage and conversion.  In particular\, the focus will be on a
 reas of our work where the combination of theory and experiment has been c
 ritical for interpreting experimental data and/or for understanding electr
 onic structure. The use of 6\,7Li\, 23Na and more recently 17O NMR spectro
 scopy to investigate structural disorder\, defects and dynamics in paramag
 netic materials will be described.  Examples include the development of m
 ethods to understand how Mg substitution in Na manganates affects rate per
 formance of a series of layered phases in Na-ion batteries\, to quantify s
 tacking faults in intergrowth structures\, and to investigate the transpor
 t mechanism in the ionic and electronic conductor La2NiO4+.  Many battery
  and supercapacitor materials are amorphous and methods to extract structu
 re from these highly disordered systems and to determine the mechanisms fo
 r charge storage will be described.\n\nSeventh NCCR MARVEL "Distinguished 
 Lecture"\n\nNCCR MARVEL - Events
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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