Better cycling performances of bulk Sb in Na-ion batteries compared to Li-ion systems: an unexpected electrochemical mechanism.

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Summary

It is evidenced that a competition takes place at the end of the discharge of the Sb/Na cell between the formation of the hexagonal and the cubic polymorphs of Na(3)Sb, the last being described in the literature as unstable at atmospheric pressure.

Type
article
Published
2012-12-11
Cited by
895
References
31

Keywords

Chemistry, Faraday efficiency, Electrolyte, Electrochemistry, Ion

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