Schmidt F, Kirchhoff S, Jaegle K, De A, Ehrling S, Haertel P, Doerfler S, Abendroth T, Schumm B, Althues H, Kaskel S (2022)
Publication Type: Journal article
Publication year: 2022
Book Volume: 15
Article Number: e202201320
Journal Issue: 22
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.
APA:
Schmidt, F., Kirchhoff, S., Jaegle, K., De, A., Ehrling, S., Haertel, P.,... Kaskel, S. (2022). Sustainable Protein-Based Binder for Lithium-Sulfur Cathodes Processed by a Solvent-Free Dry-Coating Method. Chemsuschem, 15(22). https://doi.org/10.1002/cssc.202201320
MLA:
Schmidt, Florian, et al. "Sustainable Protein-Based Binder for Lithium-Sulfur Cathodes Processed by a Solvent-Free Dry-Coating Method." Chemsuschem 15.22 (2022).
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