Using soft x-ray absorption spectroscopy to characterize electrode/electrolyte interfaces in-situ and operando
Journal Article
·
· Journal of Electron Spectroscopy and Related Phenomena
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- 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 Laboratory (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
OSTI ID: 22889468
- Journal Information:
- Journal of Electron Spectroscopy and Related Phenomena, Journal Name: Journal of Electron Spectroscopy and Related Phenomena Journal Issue: C Vol. 221; ISSN 0368-2048
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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