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Title: Using soft x-ray absorption spectroscopy to characterize electrode/electrolyte interfaces in-situ and operando

Journal Article · · Journal of Electron Spectroscopy and Related Phenomena
 [1];  [1];  [1];  [1];  [1];  [2]
  1. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
  2. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); University of Santa Cruz, CA (United States)

The interfaces between electrode and electrolyte play a vital role in various electrochemical systems. However, the understanding of such embedded interfaces and interfacial processes is still limited partly because of the short of proper characterizations tools, especially in-situ/operando techniques. Previously, substantial effort has been devoted in the development of in-situ/operando techniques to investigate the solid/liquid interfaces. One successful approach is the combination of in-situ liquid cells and soft x-ray absorption spectroscopy (sXAS). Here, we showcased several recent examples using such liquid-cell-based in-situ/operando sXAS method to study different aspects of the electrode/electrolyte interface under reaction conditions, including the adsorption and deposition of solute species on electrode surface, morphological and chemical changes of electrode surface, and potential-dependent orientations of interfacial solvent molecules. These examples demonstrated capability of such in-situ/operando sXAS techniques in providing element- and chemical-sensitive interfacial information. This in-situ/operando sXAS technique also opens the way to the investigation of various solid/liquid interfaces in other important heterogeneous reactions.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1415974
Alternate ID(s):
OSTI ID: 1550534
Journal Information:
Journal of Electron Spectroscopy and Related Phenomena, Vol. 221, Issue C; ISSN 0368-2048
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

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