Benzo[1,2-b:4,5-b′]bis[b]benzothiophene as High Voltage Cathode Material for Lithium-ion Battery

From an elemental strategic point of view, benzo[1,2-b:4,5-b′]bis[b]benzothiophene is an attractive cathode material for lithium-ion batteries owing to its high theoretical capacity (184 mAh g−1) with two-electron reaction. In this study, this material was synthesized in only four steps, including t...

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Bibliographic Details
Published in:Chemistry letters 2021-07, Vol.50 (7), p.1333-1335
Main Authors: Kato, Minami, Sano, Hikaru
Format: Article
Language:English
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Summary:From an elemental strategic point of view, benzo[1,2-b:4,5-b′]bis[b]benzothiophene is an attractive cathode material for lithium-ion batteries owing to its high theoretical capacity (184 mAh g−1) with two-electron reaction. In this study, this material was synthesized in only four steps, including the synthesis of the precursor. It showed a high discharge plateau at 4.0 V vs. Li+/Li. The observed discharge capacity was as small as 73 mAh g−1 with a single plateau; however, the material is still promising because it showed two reversible redox reaction couples in cyclic voltammetry.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.210205