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SUMMARY:Structure and electrolyte sensitivity in CO2 electroreduction
DTSTART:20190314T150000
DTEND:20190314T160000
DTSTAMP:20260506T195000Z
UID:a8e02f177f3afb15edf693e5b7cc2d10d28ae0089db81da57584e332
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Beatriz ROLDAN CUENYA\nDepartment of Interface Science\,
 \nFritz-Haber-Institute of the Max Planck Society (FHI)\,\nBerlin\, German
 y\nChE-605 - Highlights in Energy Research seminar series\nThe utilization
  of fossil fuels as the main energy source gives rise to serious environme
 ntal issues\, including global warming caused by the continuously increasi
 ng level of atmospheric CO2. The electrochemical conversion of CO2 (CO2RR)
  to chemicals and fuels driven by electricity derived from renewable energ
 y has been recently recognized as a promising strategy towards sustainable
  energy.\nIn this talk I will provide examples of recent advances in the d
 evelopment of highly active nanostructured single crystal\, thin film and 
 nanoparticle (NP) electrocatalysts (Cu\, Ag\, Zn\, and Cu-M with M = Co\, 
 Zn) and how their structure (crystal orientation\, atomic arrangement\, si
 ze\, shape\, defects)\, oxidation state and composition influence their se
 lectivity in CO2RR. Additionally\, the determining role of the electrolyte
  in the reaction activity and selectivity will be illustrated by adding ca
 tions and anions (Cs+\, Li+\, Na+\, K+\, I-\, Br-\, Cl-) to aqueous electr
 olytes. Finally\, the importance of in situ and operando characterization 
 methods (e.g. EC-AFM\, XAS\, XPS) to gain in depth understanding on the st
 ructure- and electrolyte-sensitivity of real CO2RR catalysts under working
  conditions will be demonstrated. Our results are expected to open up new 
 routes for the reutilization of CO2 through its direct selective conversio
 n into higher value products.
LOCATION:I17 4 K2 https://plan.epfl.ch/?room==I17%204%20K2
STATUS:CONFIRMED
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