Journal
JOURNAL OF SULFUR CHEMISTRY
Volume 44, Issue 1, Pages 1-11Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17415993.2022.2126318
Keywords
Lithium polysulfides; natural population analysis; Fukui function; DFT
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This study confirms the existence of redox-induced electron transfer in lithium polysulfides. Sulfur is oxidized and lithium is reduced during the electron removal from lithium polysulfides. The nucleophilic character of lithium polysulfide is influenced by the number of sulfur atoms, and the presence of an electric field enhances the reactivity of lithium polysulfides.
This study reports the existence of redox-induced electron transfer in lithium polysulfides (RIET). The presence of redox-induced electron transfer in lithium polysulfides is confirmed using a DFT study. The sulfur gets oxidized, and lithium gets reduced during the removal of an electron from lithium polysulfides. The condensed Fukui function from Natural Population Analysis (NPA) charge and electron density augment RIET. The higher number of sulfur contributes to the total nucleophilic character of lithium polysulfide and holds lithium tightly. The presence of an electric field enhances the nucleophilicity of sulfur atoms and, hence, the reactivity of lithium polysulfides.
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