In Situ X-ray Absorption Spectroscopy of the Oxygen in a Li-Ion Battery

2010 ◽  
Keyword(s):  
Absorption Spectroscopy ◽  
Li Ion Battery ◽  
X Ray ◽  
Li Ion ◽  
X Ray Absorption

scholarly journals In situ Fe K-edge X-ray absorption spectroscopy study during cycling of Li2FeSiO4 and Li2.2Fe0.9SiO4 Li ion battery materials

2015 ◽  
Vol 3 (14) ◽  
pp. 7314-7322 ◽  
Author(s):  
Alexander W. Brownrigg ◽  
Gavin Mountjoy ◽  
Alan V. Chadwick ◽  
Maria Alfredsson ◽  
Wim Bras ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Li Ion Battery ◽  
Spectroscopy Study ◽  
Battery Materials ◽  
X Ray ◽  
Local Structures ◽  
Li Ion ◽  
X Ray Absorption

The valence and local structures of Fe during battery cycling of Li2FeSiO4 and Li2.2Fe0.9SiO4 are studied by in situ (XAS) measurements.

scholarly journals Capacity Deterioration Analysis of Li-ion Battery Cathode Li[Ni1/3Co1/3Mn1/3]O2 Material by Soft X-ray Absorption Spectroscopy

2021 ◽  
Author(s):  
Tetsuo NAGAMI ◽  
Toyokazu NOMOTO ◽  
Harue SUGIYAMA ◽  
Shoji TACHIKI ◽  
Ren SAKAMOTO ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Li Ion Battery ◽  
X Ray ◽  
Li Ion ◽  
X Ray Absorption

Application of In Situ X-ray Absorption Spectroscopy to Study Dilute Chromium Ions in a Molten Chloride Salt

2019 ◽  
Author(s):  
Jisue Moon ◽  
Carter Abney ◽  
Dmitriy Dolzhnikov ◽  
James M. Kurley ◽  
Kevin A. Beyer ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Local Structure ◽  
Chloride Salt ◽  
X Ray ◽  
Molten Chloride ◽  
Stable Species ◽  
Higher Temperature ◽  
Cr Concentration ◽  
X Ray Absorption

The local structure of dilute CrCl<sub>3</sub> in a molten MgCl<sub>2</sub>:KCl salt was investigated by <i>in situ</i> x-ray absorption spectroscopy (XAS) at temperatures from room temperature to 800<sup>o</sup>C. This constitutes the first experiment where dilute Cr speciation is explored in a molten chloride salt, ostensibly due to the compounding challenges arising from a low Cr concentration in a matrix of heavy absorbers at extreme temperatures. CrCl<sub>3</sub> was confirmed to be the stable species between 200 and 500<sup>o</sup>C, while mobility of metal ions at higher temperature (>700<sup>o</sup>C) prevented confirmation of the local structure.

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