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SUMMARY:Investigating the Reaction and Degradation Mechanisms of Electrodep
 osited Antimony Anodes for Sodium-ion Batteries
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20221202T160000
UID:2026-05-17-17-16-44@natsci.colostate.edu
DTSTAMP:20260517T171644
Description:About the Seminar\n\nAntimony (Sb) based electrodes are a promi
 sing anode material for sodium-ion batteries\, which are an attractive ene
 rgy storage system to support grid-level energy storage. These anodes have
  high thermal stability\, good rate performance\, and good electronic cond
 uctivity\, but there are significant limitations to the fundamental unders
 tanding of phases present as the material is sodiated and desodiated\, whi
 ch limits further rational improvements to performance. Therefore\, detail
 ed investigations of the impact of the structure-property relationships on
  the performance of Sb electrodes are crucial for understanding how the de
 gradation mechanisms of these electrodes can be controlled. Although signi
 ficant work has gone into understanding the sodiation/desodiation mechanis
 m of Sb-based anodes\, the fabrication method\, electrode composition\, an
 d experimental parameters vary tremendously and there are discrepancies in
  the reported sodiation/desodiation reactions.\n\n&nbsp\;\n\nHere we repor
 t that electrode fabrication techniques can dramatically impact the sodiat
 ion/desodiation reaction mechanism due to the mechanical stability\, morph
 ology\, and composition of the film. In addition\, we show that solution a
 dditives typically used in industrial copper platting baths can be utilize
 d to influence the morphology and crystallinity of electrodeposited Sb ano
 des which then also affects electrochemical performance. These studies pro
 vide valuable insight into the tunability of alloy-based films through ele
 ctrodeposition and solution additives. To conclude this talk we report our
  work in developing tools and characterization techniques to begin to unde
 rstand the degradation and failure mechanism of alloy-based anode material
 s. 4:00 pm
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