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Lowering the charge overpotential of Li₂S via the inductive effect of phenyl diselenide in Li–S batteries
- Fan, Qianqian, Li, Baohua, Si, Yubing, Fu, Yongzhu
- Chemical communications 2019 v.55 no.53 pp. 7655-7658
- chemical bonding, lithium batteries, oxidation, sulfides
- 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.