Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 85, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4904703
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Funding
- Department of Education GAANN Fellowship [P200A090137]
- US Department of Energy (DOE), Office of Basic Energy Science
- Advanced Research Project Agency-Energy (ARPA-E) [AR-000387]
- U.S. DOE [DE-AC02-06CH113]
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In situ x-ray absorption spectroscopy (XAS) provides element-specific characterization of both crystalline and amorphous phases and enables direct correlations between electrochemical performance and structural characteristics of cathode and anode materials. In situ XAS measurements are very demanding to the design of the experimental setup. We have developed a sample chamber that provides electrical connectivity and inert atmosphere for operating electrochemical cells and also accounts for x-ray interactions with the chamber and cell materials. The design of the sample chamber for in situ measurements is presented along with example XAS spectra from anode materials in operating pouch cells at the Zn and Sn K-edges measured in fluorescence and transmission modes, respectively. (C) 2014 AIP Publishing LLC.
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