The presence of polysulfides in Li–S batteries significantly affects battery operation, but their presence and reaction mechanisms are not well understood. Now, an operando X-ray diffraction approach is used to directly observe these polysulfides, offering insights on their formation and evolution.
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Johansson, P. Lithium–sulfur batteries: Making the invisible visible. Nat Energy 2, 17076 (2017). https://doi.org/10.1038/nenergy.2017.76
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DOI: https://doi.org/10.1038/nenergy.2017.76