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Article: A safe and non-flammable sodium metal battery based on an ionic liquid electrolyte

TitleA safe and non-flammable sodium metal battery based on an ionic liquid electrolyte
Authors
Issue Date2019
Citation
Nature Communications, 2019, v. 10, n. 1, article no. 3302 How to Cite?
AbstractRechargeable sodium metal batteries with high energy density could be important to a wide range of energy applications in modern society. The pursuit of higher energy density should ideally come with high safety, a goal difficult for electrolytes based on organic solvents. Here we report a chloroaluminate ionic liquid electrolyte comprised of aluminium chloride/1-methyl-3-ethylimidazolium chloride/sodium chloride ionic liquid spiked with two important additives, ethylaluminum dichloride and 1-ethyl-3-methylimidazolium bis(fluorosulfonyl)imide. This leads to the first chloroaluminate based ionic liquid electrolyte for rechargeable sodium metal battery. The obtained batteries reached voltages up to ~ 4 V, high Coulombic efficiency up to 99.9%, and high energy and power density of ~ 420 Wh kg−1 and ~ 1766 W kg−1, respectively. The batteries retained over 90% of the original capacity after 700 cycles, suggesting an effective approach to sodium metal batteries with high energy/high power density, long cycle life and high safety.
Persistent Identifierhttp://hdl.handle.net/10722/334995
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSun, Hao-
dc.contributor.authorZhu, Guanzhou-
dc.contributor.authorXu, Xintong-
dc.contributor.authorLiao, Meng-
dc.contributor.authorLi, Yuan Yao-
dc.contributor.authorAngell, Michael-
dc.contributor.authorGu, Meng-
dc.contributor.authorZhu, Yuanmin-
dc.contributor.authorHung, Wei Hsuan-
dc.contributor.authorLi, Jiachen-
dc.contributor.authorKuang, Yun-
dc.contributor.authorMeng, Yongtao-
dc.contributor.authorLin, Meng Chang-
dc.contributor.authorPeng, Huisheng-
dc.contributor.authorDai, Hongjie-
dc.date.accessioned2023-10-20T06:52:19Z-
dc.date.available2023-10-20T06:52:19Z-
dc.date.issued2019-
dc.identifier.citationNature Communications, 2019, v. 10, n. 1, article no. 3302-
dc.identifier.urihttp://hdl.handle.net/10722/334995-
dc.description.abstractRechargeable sodium metal batteries with high energy density could be important to a wide range of energy applications in modern society. The pursuit of higher energy density should ideally come with high safety, a goal difficult for electrolytes based on organic solvents. Here we report a chloroaluminate ionic liquid electrolyte comprised of aluminium chloride/1-methyl-3-ethylimidazolium chloride/sodium chloride ionic liquid spiked with two important additives, ethylaluminum dichloride and 1-ethyl-3-methylimidazolium bis(fluorosulfonyl)imide. This leads to the first chloroaluminate based ionic liquid electrolyte for rechargeable sodium metal battery. The obtained batteries reached voltages up to ~ 4 V, high Coulombic efficiency up to 99.9%, and high energy and power density of ~ 420 Wh kg−1 and ~ 1766 W kg−1, respectively. The batteries retained over 90% of the original capacity after 700 cycles, suggesting an effective approach to sodium metal batteries with high energy/high power density, long cycle life and high safety.-
dc.languageeng-
dc.relation.ispartofNature Communications-
dc.titleA safe and non-flammable sodium metal battery based on an ionic liquid electrolyte-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/s41467-019-11102-2-
dc.identifier.pmid31341162-
dc.identifier.scopuseid_2-s2.0-85069662004-
dc.identifier.volume10-
dc.identifier.issue1-
dc.identifier.spagearticle no. 3302-
dc.identifier.epagearticle no. 3302-
dc.identifier.eissn2041-1723-
dc.identifier.isiWOS:000476877400001-

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