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SUMMARY:Chemical Structure and Dynamics of Electrolyte Solutions
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20210930T160000
UID:2026-04-29-10-41-19@natsci.colostate.edu
DTSTAMP:20260429T104119
Description:Research seminar - A need for effective energy storage drives r
 esearch into improving and understanding current battery technologies. In 
 lithium or sodium ion batteries\, a solid electrolyte interphase (SEI) is 
 formed when electrolyte components are reduced. The SEI formed will impact
  battery lifetime and efficiency. Characterizing the structure and dynamic
 s of the electrolyte solutions before and during battery cycling can help 
 provide a better understanding of each molecular component playing a role 
 in SEI formation. Certain molecules like fluoroethylene carbonate when add
 ed to these organic carbonate electrolytes are shown to increase battery l
 ifetimes. In this project\, the impact of additives on the dynamics of org
 anic carbonate electrolyte solutions are investigated using linear and 2D 
 infrared spectroscopy (2D IR). The additive\, fluoroethylene carbonate is 
 shown to drive structural changes in the bulk electrolyte mixtures. Furthe
 r chemical information can be gained by implementing 2D IR microscopy to s
 patially resolve dynamics in electrolyte solutions where behavior near int
 erfaces or under an applied potential can vary spatially. This talk will d
 iscuss the chemical information that can be gleaned from 2D IR microscopy 
 while also addressing practical considerations in the development of this 
 new technique. 4:00 pm
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