NDLI: Carrageenan as an Ecological Alternative of Polyvinylidene Difluoride Binder for Li-S Batteries

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Carrageenan as an Ecological Alternative of Polyvinylidene Difluoride Binder for Li-S Batteries

Content Provider	MDPI
Author	Dominika, Capková Kamil, Jaššo Andrea, Fedorková Straková Marie, Sedlaříková Kazda, Tomáš Shembel, Elena Markevich, Alex
Copyright Year	2021
Description	Lithium-sulfur batteries are one of the most promising battery systems nowadays. However, this system is still not suitable for practical application because of the number of shortcomings that limit its cycle life. One of the main problems related to this system is the volumetric change during cycling. This deficiency can be compensated by using the appropriate binder. In this article, we present the influence of a water-soluble binder carrageenan on the electrochemical properties of the Li-S battery. The electrode with a carrageenan binder provides good stability during cycling and at high C-rates. Electrochemical testing was also carried out with a small prototype pouch cell with a capacity of 16 mAh. This prototype pouch cell with the water-based carrageenan binder showed lower self-discharge and low capacity drop. Capacity decreased by 7% after 70 cycles.
Starting Page	5578
e-ISSN	19961944
DOI	10.3390/ma14195578
Journal	Materials
Issue Number	19
Volume Number	14
Language	English
Publisher	MDPI
Publisher Date	2021-09-26
Access Restriction	Open
Subject Keyword	Materials Lithium Sulfur Binder Battery Cathode Li-s Battery Carrageenan Pouch Cell
Content Type	Text
Resource Type	Article

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