Stabilizing lithium metal using ionic liquids for long-lived batteries
10.1038/ncomms11794
Crossref journal-article
Springer Science and Business Media LLC
Nature Communications (297)
Abstract

AbstractSuppressing dendrite formation at lithium metal anodes during cycling is critical for the implementation of future lithium metal-based battery technology. Here we report that it can be achieved via the facile process of immersing the electrodes in ionic liquid electrolytes for a period of time before battery assembly. This creates a durable and lithium ion-permeable solid–electrolyte interphase that allows safe charge–discharge cycling of commercially applicable Li|electrolyte|LiFePO4 batteries for 1,000 cycles with Coulombic efficiencies >99.5%. The tailored solid–electrolyte interphase is prepared using a variety of electrolytes based on the N-propyl-N-methylpyrrolidinium bis(fluorosulfonyl)imide room temperature ionic liquid containing lithium salts. The formation is both time- and lithium salt-dependant, showing dynamic morphology changes, which when optimized prevent dendrite formation and consumption of electrolyte during cycling. This work illustrates that a simple, effective and industrially applicable lithium metal pretreatment process results in a commercially viable cycle life for a lithium metal battery.

Bibliography

Basile, A., Bhatt, A. I., & O’Mullane, A. P. (2016). Stabilizing lithium metal using ionic liquids for long-lived batteries. Nature Communications, 7(1).

Authors 3
  1. A. Basile (first)
  2. A. I. Bhatt (additional)
  3. A. P. O’Mullane (additional)
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Dates
Type When
Created 9 years, 2 months ago (June 13, 2016, 6:03 a.m.)
Deposited 2 years, 7 months ago (Jan. 4, 2023, 6:24 a.m.)
Indexed 1 day, 5 hours ago (Aug. 23, 2025, 1:13 a.m.)
Issued 9 years, 2 months ago (June 13, 2016)
Published 9 years, 2 months ago (June 13, 2016)
Published Online 9 years, 2 months ago (June 13, 2016)
Funders 0

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@article{Basile_2016, title={Stabilizing lithium metal using ionic liquids for long-lived batteries}, volume={7}, ISSN={2041-1723}, url={http://dx.doi.org/10.1038/ncomms11794}, DOI={10.1038/ncomms11794}, number={1}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Basile, A. and Bhatt, A. I. and O’Mullane, A. P.}, year={2016}, month=jun }