Lowering the charge overpotential of Li2S via the inductive effect of phenyl diselenide in Li-S batteries.

Qianqian Fan Baohua Li Yu-Bing Si Yongzhu Fu

Published in: Chemical communications (Cambridge, England) (2019)

We find that phenyl diselenide (PDSe) can lower the charge overpotential of Li2S via an inductive effect. The Se-Se bond of PDSe can break when it is in contact with Li2S. The attraction between Se and Li weakens the Li-S bonds and facilitates the oxidation of Li2S in lithium batteries.

Keyphrases

ion batteries
solid state