Fan Q, Li B, Si Y, Fu Y. Lowering the charge overpotential of Li
2S via the inductive effect of phenyl diselenide in Li-S batteries.
Chem Commun (Camb) 2019;
55:7655-7658. [PMID:
31198912 DOI:
10.1039/c8cc09565e]
[Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
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.
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