Lithium/Sulfur Batteries Upon Cycling: Structural Modifications and Species Quantification by In Situ and Operando X‐Ray Diffraction Spectroscopy | Zendy

Waluś Sylwia | Zendy; Barchasz Céline | Zendy; Bouchet Renaud | Zendy; Leprêtre JeanClaude | Zendy; Colin JeanFrançois | Zendy; Martin JeanFrédéric | Zendy; Elkaïm Erik | Zendy; Baehtz Carsten | Zendy; Alloin Fannie | Zendy

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Lithium/Sulfur Batteries Upon Cycling: Structural Modifications and Species Quantification by In Situ and Operando X‐Ray Diffraction Spectroscopy

Author(s) -

Waluś Sylwia,

Barchasz Céline,

Bouchet Renaud,

Leprêtre JeanClaude,

Colin JeanFrançois,

Martin JeanFrédéric,

Elkaïm Erik,

Baehtz Carsten,

Alloin Fannie

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.201500165

Subject(s) - in situ , materials science , diffraction , lithium (medication) , sulfur , x ray crystallography , spectroscopy , chemical engineering , analytical chemistry (journal) , chemical physics , chemistry , organic chemistry , optics , metallurgy , medicine , physics , engineering , endocrinology , quantum mechanics

A quantitative analysis of in situ and operando X‐ray diffraction studies allows for deeper insight into the mechanism of Li 2 S formation and consumption. A two‐step reaction process is proposed for both discharge and charge. Changing selectivity for Li 2 S formation is estimated, with solely Li 2 S being formed during the earliest step, followed by possible concurrent formation of Li 2 S 2 intermediate in the further step of discharge.

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