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Ionic liquid-based electrolytes for sodium-ion batteries : tuning properties to enhance the electrochemical performance of manganese-based layered oxide cathode
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Chagas, Luciana Gomes, Jeong, Sangsik, Hasa, Ivana and Passerini, Stefano (2019) Ionic liquid-based electrolytes for sodium-ion batteries : tuning properties to enhance the electrochemical performance of manganese-based layered oxide cathode. ACS Applied Materials & Interfaces, 11 (25). pp. 22278-22289. doi:10.1021/acsami.9b03813
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WRAP-Ionic-liquid-based-electrolytes-batteries-enhance-electrochemical-performance-Hasa-2019.pdf - Accepted Version - Requires a PDF viewer. Download (2481Kb) | Preview |
Official URL: https://doi.org/10.1021/acsami.9b03813
Abstract
Ionic liquids (ILs) are considered as appealing alternative electrolytes for application in rechargeable batteries, including the next-generation sodium-ion batteries, because of their safe and eco-friendly nature, resulting from their extremely low volatility. In this work, two groups of advanced pyrrolidinium based ILs electrolytes are concerned, made by mixing sodium bis(fluorosulfonyl)imide (NaFSI) or sodium tri(fluoromethanesulfonyl)imide (NaTFSI) salts with N-Methyl-N-propylpyrrolidinium bis(fluorosulfonyl)imide (Pyr13FSI), N-Butyl-N-methylpyrrolidinium bis(fluorosulfonyl)imide (Pyr14FSI) and N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide (Pyr14TFSI). The characterization of eight different electrolytes, including single anion electrolytes and binary anions mixtures, in terms of thermal properties, density, viscosity and conductivity as well as electrochemical stability window and cycling performance in room temperature sodium cells is reported here. Among all the blends, those containing Pyr14FSI outperform the others in terms of cell performance enabling the layered P2-Na0.6Ni0.22Al0.11Mn0.66O2 cathode to deliver about 140 mAh g-1 for more than 200 cycles.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QD Chemistry | |||||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Sodium ion batteries, Electrolyte solutions, Cathodes | |||||||||
| Journal or Publication Title: | ACS Applied Materials & Interfaces | |||||||||
| Publisher: | American Chemical Society | |||||||||
| ISSN: | 1944-8244 | |||||||||
| Official Date: | 26 June 2019 | |||||||||
| Dates: |
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| Volume: | 11 | |||||||||
| Number: | 25 | |||||||||
| Page Range: | pp. 22278-22289 | |||||||||
| DOI: | 10.1021/acsami.9b03813 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Publisher Statement: | “This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].” | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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