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Benzenediacrylates as organic battery electrode materials: Na versus Li
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.ORCID iD: 0000-0001-9292-016X
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
2014 (English)In: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 4, no 72, 38004-38011 p.Article in journal (Refereed) Published
Abstract [en]

This paper discusses investigations of a novel Na-based organic battery electrode material, disodium benzenediacrylate (Na(2)BDA) in comparison with its Li-ion homologue. Li(2)BDA has previously shown promising battery properties, such as stable cycling and good capacity retention. Na(2)BDA and Li(2)BDA are here successfully synthesized and characterized, and investigated as anode materials in prototype Na- and Li-ion battery cells. Moreover, different electrolytes are screened for the Na-battery material, and a useful operating voltage window is explored. Na(2)BDA is shown to possess a higher initial coulombic efficiency (91%) than the Li-homologue, which is uncommon for sodiated organic electrode materials. The Na-compound shows an initial capacity of 177.7 mA h g(-1), which however decreases to ca. 50 mA h g(-1) after 20-100 cycles depending on the cycling rate; a significantly lower capacity retention then that observed for Li(2)BDA. The capacity loss can primarily be explained by a decomposition mechanism of the Na(2)BDA compound.

Place, publisher, year, edition, pages
2014. Vol. 4, no 72, 38004-38011 p.
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-233622DOI: 10.1039/c4ra06288dISI: 000341455200008OAI: oai:DiVA.org:uu-233622DiVA: diva2:753271
Available from: 2014-10-07 Created: 2014-10-07 Last updated: 2017-12-05
In thesis
1. Organic Negative Electrode Materials For Li-ion and Na-ion Batteries
Open this publication in new window or tab >>Organic Negative Electrode Materials For Li-ion and Na-ion Batteries
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Uppsala: Kph Trycksaksbolaget AB, 2015. 43 p.
Keyword
organic materials, Li-ion batteries, Na-ion batteries
National Category
Chemical Sciences
Research subject
Chemistry with specialization in Materials Chemistry
Identifiers
urn:nbn:se:uu:diva-243273 (URN)
Presentation
2015-02-27, Beurlingrummet, Uppsala, 13:15 (English)
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Supervisors
Available from: 2015-02-11 Created: 2015-02-06 Last updated: 2015-02-11Bibliographically approved

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Mihali, Viorica AlinaRenault, StevenNyholm, LeifBrandell, Daniel

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