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SUMMARY:Structure-Property Relationships in Nb2O5 Polymorphs For Electroche
 mical Energy Storage
LOCATION:Virtual Literature Seminar
TZID:America/Denver
DTSTART:20200101T000000
UID:2026-04-30-05-23-51@natsci.colostate.edu
DTSTAMP:20260430T052351
Description:The rise of electronic devices developed and utilized around th
 e world requires having a diverse set of energy storage devices with diffe
 rent properties. Pseudocapacitors have the potential to be used in devices
  where traditional energy storage devices fall short by possessing both hi
 gh energy and power. Pseudocapacitors accomplish this by storing energy vi
 a a redox process while having lithium ion insertion kinetics on par with 
 capacitive like rates. By investigating structural and computational prope
 rties of pseudocapacitive T-Nb2O5\, TT-Nb2O5\, and H-Nb2O5 polymorphs\, th
 e key factors that assist in fast lithium ion kinetics can be elucidated a
 nd compared. The structural and computational comparison of the polymorphs
  results in similar factors assisting fast lithium ion transport\; these f
 actors being a large channel size\, low energy barriers for lithium transp
 ort\, and two dimensional transport pathways in the crystal. Although thes
 e polymorphs possess similar aspects leading to improved kinetics\, the el
 ectrochemical performances of the polymorphs are significantly different. 
 Taking a closer look at the computations and theorizing a reason for the d
 ifference in electrochemical properties may help in further understanding 
 pseudocapacitive materials for fast energy storage.\n\nChen\, D.\; Wang\, 
 J.-H.\; Chou\, T.-F.\; Zhao\, B.\; El-Sayed\, M. A.\; Liu\, M. Unraveling 
 the Nature of Anomalously Fast Energy Storage in T-Nb 2O 5. J. Am. Chem. S
 oc. 2017\, 139 (20)\, 7071–7081. https://doi.org/10.1021/jacs.7b03141\n\
 n&nbsp\; 4:00 pm
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