Sustainable Protein‐Based Binder for Lithium‐Sulfur Cathodes Processed by a Solvent‐Free Dry‐Coating Method
Abstract: In the market for next‐generation energy storage, lithium‐sulfur (Li−S) technology is one of the most promising candidates due to its high theoretical specific energy and cost‐efficient ubiquitous active materials. In this study, this cell system was combined with a cost‐efficient sustainable solvent‐free electrode dry‐coating process (DRYtraec®). So far, this process has been only feasible with polytetrafluoroethylene (PTFE)‐based binders. To increase the sustainability of electrode processing and to decrease the undesired fluorine content of Li−S batteries, a renewable, biodegradable, and fluorine‐free polypeptide was employed as a binder for solvent‐free electrode manufacturing. The yielded sulfur/carbon dry‐film cathodes were electrochemically evaluated under lean electrolyte conditions at coin and pouch cell level, using the state‐of‐the‐art 1,2‐dimethoxyethane/1,3‐dioxolane electrolyte (DME/DOL) as well as the sparingly polysulfide‐solvating electrolytes hexylmethylether (HME)/DOL and tetramethylene sulfone/1,1,2,2‐tetrafluoroethyl‐2,2,3,3‐tetrafluoropropyl ether (TMS/TTE). These results demonstrated that the PTFE binder can be replaced by the biodegradable sericin as the cycle stability and performance of the cathodes was retained.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Sustainable Protein‐Based Binder for Lithium‐Sulfur Cathodes Processed by a Solvent‐Free Dry‐Coating Method ; day:20 ; month:10 ; year:2022 ; extent:1
ChemSusChem ; (20.10.2022) (gesamt 1)
- Urheber
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Schmidt, Florian
Kirchhoff, Sebastian
Jägle, Karin
De, Ankita
Ehrling, Sebastian
Härtel, Paul
Dörfler, Susanne
Abendroth, Thomas
Schumm, Benjamin
Althues, Holger
Kaskel, Stefan
- DOI
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10.1002/cssc.202201320
- URN
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urn:nbn:de:101:1-2022102115074007418567
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:23 MESZ
Datenpartner
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Beteiligte
- Schmidt, Florian
- Kirchhoff, Sebastian
- Jägle, Karin
- De, Ankita
- Ehrling, Sebastian
- Härtel, Paul
- Dörfler, Susanne
- Abendroth, Thomas
- Schumm, Benjamin
- Althues, Holger
- Kaskel, Stefan
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