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Direct Observation of the Redistribution of Sulfur and Polysufides in Li–S Batteries During the First Cycle by In Situ X‐Ray Fluorescence Microscopy
Author(s) -
Yu Xiqian,
Pan Huilin,
Zhou Yongning,
Northrup Paul,
Xiao Jie,
Bak Seongmin,
Liu Mingzhao,
Nam KyungWan,
Qu Deyang,
Liu Jun,
Wu Tianpin,
Yang XiaoQing
Publication year - 2015
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201500072
Subject(s) - materials science , microscopy , absorption spectroscopy , x ray absorption spectroscopy , in situ , spectroscopy , fluorescence , electrochemistry , electrode , sulfur , analytical chemistry (journal) , redistribution (election) , fluorescence microscope , absorption (acoustics) , x ray fluorescence , x ray , fluorescence spectroscopy , x ray spectroscopy , optics , chemistry , physics , organic chemistry , quantum mechanics , chromatography , politics , political science , law , metallurgy , composite material
A novel in situ X‐ray fluorescence microscopy combined with X‐ray absorption spectroscopy technique is reported to investigate the Li–S batteries during electrochemical cycling. The evolution of morphology changes of the electrode is monitored in real time using the X‐ray fluorescence images, while the changes of the sulfur chemical state are characterized simultaneously using the X‐ray absorption spectroscopy spectra.
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