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Kirshenbaum KC, Bock DC, Zhong Z, et al. In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction. Phys Chem Chem Phys. 2014;16(19):9138-47doi: 10.1039/c4cp01220h.
Kirshenbaum, K. C., Bock, D. C., Zhong, Z., Marschilok, A. C., Takeuchi, K. J., & Takeuchi, E. S. (2014). In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction. Physical chemistry chemical physics : PCCP, 16(19), 9138-47. https://doi.org/10.1039/c4cp01220h
Kirshenbaum, Kevin C, et al. "In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction." Physical chemistry chemical physics : PCCP vol. 16,19 (2014): 9138-47. doi: https://doi.org/10.1039/c4cp01220h
Kirshenbaum KC, Bock DC, Zhong Z, Marschilok AC, Takeuchi KJ, Takeuchi ES. In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction. Phys Chem Chem Phys. 2014 May 21;16(19):9138-47. doi: 10.1039/c4cp01220h. PMID: 24705594.
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Phys Chem Chem Phys. 2014 May 21;16(19):9138-47. doi: 10.1039/c4cp01220h.

In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction.

Physical chemistry chemical physics : PCCP

Kevin C Kirshenbaum, David C Bock, Zhong Zhong, Amy C Marschilok, Kenneth J Takeuchi, Esther S Takeuchi

Affiliations

  1. Global and Regional Solutions, Brookhaven National Laboratory, Upton, NY 11973, USA.

PMID: 24705594 DOI: 10.1039/c4cp01220h

Abstract

In situ, in operando characterization of electrochemical cells can provide insight into the complex discharge chemistries of batteries which may not be available with destructive methods. In this study, in situ energy-dispersive X-ray spectroscopy (EDXRD) measurements are conducted for the first time on active lithium/silver vanadium diphosphate, Li/Ag2VP2O8, electrochemical cells at several depths of discharge allowing depth profiling analysis of the reduction process. This technique enables non-destructive, in operando imaging of the reduction process within a battery electrode over a millimeter scale interrogation area with micron scale resolution. The discharge of Ag2VP2O8 progresses via a reduction displacement reaction forming conductive silver metal as a discharge product, a high Z material which can be readily detected by diffraction-based methods. The high energy X-ray capabilities of NSLS beamline X17B1 allowed spatially resolved detection of the reduction products forming conductive pathways providing insight into the discharge mechanism of Ag2VP2O8.

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