Constructing binder- and carbon additive-free organosulfur cathodes based on conducting thiol-polymers through electropolymerization for lithium-sulfur batteries
Abstract: Herein, the concept of constructing binder- and carbon additive-free organosulfur cathode was proved based on thiol-containing conducting polymer poly(4-(thiophene-3-yl) benzenethiol) (PTBT). The PTBT featured the polythiophene-structure main chain as a highly conducting framework and the benzenethiol side chain to copolymerize with sulfur and form a crosslinked organosulfur polymer (namely S/PTBT). Meanwhile, it could be in-situ deposited on the current collector by electro-polymerization, making it a binder-free and free-standing cathode for Li-S batteries. The S/PTBT cathode exhibited a reversible capacity of around 870 mAh g−1 at 0.1 C and improved cycling performance compared to the physically mixed cathode (namely S&PTBT). This multifunction cathode eliminated the influence of the additives (carbon/binder), making it suitable to be applied as a model electrode for operando analysis. Operando X-ray imaging revealed the remarkable effect in the suppression of polysulfides shuttle via introducing covalent bonds, paving the way for the study of the intrinsic mechanisms in Li-S batteries
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Notes
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ChemSusChem. - 15, 14 (2022) , e202200434, ISSN: 1864-564X
- Event
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Veröffentlichung
- (where)
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Freiburg
- (who)
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Universität
- (when)
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2022
- Creator
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Ning, Jiaoyi
Yu, Hongtao
Mei, Shilin
Schütze, Yannik
Risse, Sebastian
Kardjilov, Nikolay
Hilger, André
Manke, Ingo
Bande, Annika
Ruiz, Victor G.
Dzubiella, Joachim
Meng, Hong
Lu, Yan
- Contributor
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Applied Theoretical Physics - Computational Physics
- URN
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urn:nbn:de:bsz:25-freidok-2309345
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:31 AM CEST
Data provider
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Associated
- Ning, Jiaoyi
- Yu, Hongtao
- Mei, Shilin
- Schütze, Yannik
- Risse, Sebastian
- Kardjilov, Nikolay
- Hilger, André
- Manke, Ingo
- Bande, Annika
- Ruiz, Victor G.
- Dzubiella, Joachim
- Meng, Hong
- Lu, Yan
- Applied Theoretical Physics - Computational Physics
- Universität
Time of origin
- 2022
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