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Title: Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering

Abstract

Recent advances in battery science and technology have triggered both the challenges and opportunities on studying the materials and interfaces in batteries. In this paper, we review the recent demonstrations of soft X-ray spectroscopy for studying the interfaces and electrode materials. The focus of this review is on the recently developed mapping of resonant inelastic X-ray scattering (mRIXS) as a powerful probe of battery chemistry with superior sensitivity. Six different channels of soft X-ray absorption spectroscopy (sXAS) are introduced for different experimental purposes. Although conventional sXAS channels remain effective tools for quantitative analysis of the transition-metal states and surface chemistry, we elaborate the limitations of sXAS in both cationic and anionic redox studies. Particularly, based on experimental findings in various electrodes, we show that sXAS is unreliable for studying oxygen redox. We then demonstrate the mRIXS as a reliable technique for fingerprinting oxygen redox and summarize several crucial observations. We conclude that mRIXS is the tool-of-choice to study both the practical issue on reversibility of oxygen redox and the fundamental nature of bulk oxygen states. Finally, we hope this review clarifies the popular misunderstanding on oxygen sXAS results of oxide electrodes, and establishes a reliable technique for detecting oxygen redoxmore » through mRIXS.« less

Authors:
ORCiD logo [1];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., CA (United States). Stanford Inst. for Materials and Energy Sciences. Geballe Lab. for Advanced Materials
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1601180
Alternate Identifier(s):
OSTI ID: 1464126; OSTI ID: 1548482
Grant/Contract Number:  
[AC02-76SF00515; AC02-05CH11231]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Power Sources
Additional Journal Information:
[ Journal Volume: 389; Journal Issue: C]; Journal ID: ISSN 0378-7753
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; soft X-ray spectroscopy; battery; anionic redox; resonant inelastic X-ray scattering; soft X-ray absorption spectroscopy; surface and interface

Citation Formats

Yang, Wanli, and Devereaux, Thomas P. Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering. United States: N. p., 2018. Web. doi:10.1016/j.jpowsour.2018.04.018.
Yang, Wanli, & Devereaux, Thomas P. Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering. United States. doi:10.1016/j.jpowsour.2018.04.018.
Yang, Wanli, and Devereaux, Thomas P. Thu . "Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering". United States. doi:10.1016/j.jpowsour.2018.04.018. https://www.osti.gov/servlets/purl/1601180.
@article{osti_1601180,
title = {Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering},
author = {Yang, Wanli and Devereaux, Thomas P.},
abstractNote = {Recent advances in battery science and technology have triggered both the challenges and opportunities on studying the materials and interfaces in batteries. In this paper, we review the recent demonstrations of soft X-ray spectroscopy for studying the interfaces and electrode materials. The focus of this review is on the recently developed mapping of resonant inelastic X-ray scattering (mRIXS) as a powerful probe of battery chemistry with superior sensitivity. Six different channels of soft X-ray absorption spectroscopy (sXAS) are introduced for different experimental purposes. Although conventional sXAS channels remain effective tools for quantitative analysis of the transition-metal states and surface chemistry, we elaborate the limitations of sXAS in both cationic and anionic redox studies. Particularly, based on experimental findings in various electrodes, we show that sXAS is unreliable for studying oxygen redox. We then demonstrate the mRIXS as a reliable technique for fingerprinting oxygen redox and summarize several crucial observations. We conclude that mRIXS is the tool-of-choice to study both the practical issue on reversibility of oxygen redox and the fundamental nature of bulk oxygen states. Finally, we hope this review clarifies the popular misunderstanding on oxygen sXAS results of oxide electrodes, and establishes a reliable technique for detecting oxygen redox through mRIXS.},
doi = {10.1016/j.jpowsour.2018.04.018},
journal = {Journal of Power Sources},
number = [C],
volume = [389],
place = {United States},
year = {2018},
month = {4}
}

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