Unveiling the Liquid Electrolyte Solvation Structure by Small Angle X-ray Scattering

Liu, Xinyi; Fang, Lingzhe; Lyu, Xingyi; Winans, Randall E.; Li, Tao

doi:10.1021/acs.chemmater.3c01648

Title: Unveiling the Liquid Electrolyte Solvation Structure by Small Angle X-ray Scattering

Journal Article · 01 December 2023 · Chemistry of Materials

DOI: https://doi.org/10.1021/acs.chemmater.3c01648 · OSTI ID:2246599

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Northern Illinois Univ., DeKalb, IL (United States)
Argonne National Laboratory (ANL), Argonne, IL (United States). Joint Center for Energy Storage Research (JCESR)
Northern Illinois Univ., DeKalb, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States). Joint Center for Energy Storage Research (JCESR)

The fundamental understanding of the liquid electrolyte (LE) solvation structure and electrode–electrolyte interface behavior will bring more in-depth thinking and revolutionary changes to the entire electrochemical energy storage field. Regardless of the variety of techniques available, the methods employed to investigate electrolyte solvation structures over a long-range are severely limited. Small-angle X-ray scattering (SAXS) is an ideal complement to Raman spectroscopy, Fourier transform infrared spectroscopy, or nuclear magnetic resonance, which offers a unique perspective from a larger scale on clusters or networks in electrolytes. Understanding the solvation structures from a few angstroms to hundreds of nanometers will undoubtedly lay a good foundation for studying the macroscopic transport properties, such as viscosity and ionic conductivity, of the LEs. Here, in this Perspective, we discuss the use of SAXS to investigate the solvation structures in different electrolyte systems, a prospect for the SAXS broader application in the electrolyte study, and some challenges that need to be solved in the SAXS application.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); National Science Foundation (NSF); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 2246599

Journal Information:: Chemistry of Materials, Vol. 35, Issue 23; ISSN 0897-4756

Publisher:: American Chemical Society (ACS)Copyright Statement

Country of Publication:: United States

Language:: English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
chemical structure
electrolytes
solvation
solvents
x-ray scattering

Title: Unveiling the Liquid Electrolyte Solvation Structure by Small Angle X-ray Scattering

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References (55)

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