LI–S BATTERIES

Growing instead of confining

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Confining sulfur in high-surface-area carbon is a widely adapted approach in Li–S batteries, but it often results in low sulfur utilization and low energy density. Now, controlled nucleation of discrete Li2S particles on a network of low-surface-area carbon fibres provides a possible solution to the endemic problems of Li–S batteries.

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Fig. 1: Morphology of active materials dictates the sulfur conversion reaction.

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Correspondence to Yang-Kook Sun.

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Sun, Y., Yoon, C. Growing instead of confining. Nat Energy 2, 768–769 (2017). https://doi.org/10.1038/s41560-017-0008-9

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