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Created
October 22, 2024 14:34
by
rhc5
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Updated
October 22, 2024 14:34
by
[unknown user]
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Added Creator Deyang Yu
October 22, 2024 14:34
by
rhc5
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Added Creator Diego Troya
October 22, 2024 14:34
by
rhc5
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Added Creator Andrew G. Korovich
October 22, 2024 14:34
by
rhc5
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Added Creator Joshua E. Bostwick
October 22, 2024 14:34
by
rhc5
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Added Creator Ralph H. Colby
October 22, 2024 14:34
by
rhc5
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Added Creator Louis A. Madsen
October 22, 2024 14:34
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rhc5
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Updated
Work Title, Keyword, Publisher, and 4 more
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October 22, 2024 14:34
by
rhc5
Work Title
Uncorrelated lithium-ion hopping in a dynamic solvent-anion network
- Uncorrelated Lithium-Ion Hopping in a Dynamic Solvent-Anion Network
Keyword
- Anion, Ions, Electrolytes, Ion, Lithium, Negative Ions, Glycerol, Diffusion, Salts, Liquids, Mass Transfer, Charge Transfer, Dissociation, Energy Barrier, Liquid, Hydroxyl, Molecular Cluster, Transference Number, Simulation, Polymers, Nuclear Magnetic Resonance, Lithium Salt, Solid Electrolyte, Experiments, Solid State Batteries, Energy Barriers, Solid Electrolytes, Lithium Batteries, Dendrites (Metallography)
Publisher
Publisher Identifier (DOI)
- 10.1021/acsenergylett.3c00454
Related URLs
- https://doi.org/10.1021/acsenergylett.3c00454
Description
- <p>Lithium batteries rely crucially on fast charge and mass transport of Li<sup>+</sup> in the electrolyte. For liquid and polymer electrolytes with added lithium salts, Li<sup>+</sup> couples to the counter-anion to form ionic clusters that produce inefficient Li<sup>+</sup> transport and lead to Li dendrite formation. Quantification of Li<sup>+</sup> transport in glycerol-salt electrolytes via NMR experiments and MD simulations reveals a surprising Li<sup>+</sup>-hopping mechanism. The Li<sup>+</sup> transference number, measured by ion-specific electrophoretic NMR, can reach 0.7, and Li<sup>+</sup> diffusion does not correlate with nearby ion motions, even at high salt concentration. Glycerol’s high density of hydroxyl groups increases ion dissociation and slows anion diffusion, while the close proximity of hydroxyls and anions lowers local energy barriers, facilitating Li<sup>+</sup> hopping. This system represents a bridge between liquid and inorganic solid electrolytes, thus motivating new molecular designs for liquid and polymer electrolytes to enable the uncorrelated Li<sup>+</sup>-hopping transport needed for fast-charging and all-solid-state batteries.</p>
Publication Date
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Updated
October 22, 2024 14:34
by
rhc5
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Updated
October 22, 2024 14:35
by
rhc5
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Updated Creator Deyang Yu
October 22, 2024 14:35
by
rhc5
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Updated Creator Diego Troya
October 22, 2024 14:35
by
rhc5
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Updated Creator Andrew G. Korovich
October 22, 2024 14:35
by
rhc5
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Updated Creator Joshua E. Bostwick
October 22, 2024 14:35
by
rhc5
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Updated Creator Ralph H. Colby
October 22, 2024 14:35
by
rhc5
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Updated Creator Louis A. Madsen
October 22, 2024 14:35
by
rhc5
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Added
Madsen_LithiumIonHopping_Manuscript_Accepted2023EnergyLetters.pdf
October 22, 2024 14:35
by
rhc5
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October 22, 2024 14:35
by
rhc5
License
- https://creativecommons.org/licenses/by/4.0/
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Published
October 22, 2024 14:35
by
rhc5
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Updated
October 22, 2024 22:04
by
[unknown user]
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December 18, 2024 12:15
by
jts5573