What question did this study set out to answer?

The aim is to investigate the formation and stabilization of solid electrolyte interphase (SEI) on lithium metal using different electrolyte conditions.

May 24, 2026ACS Applied Energy Materials

Solid Electrolyte Interphase Formation Reactions on Lithium Metal with Ether-Based Electrolytes

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Authors

JUJessica UlkeUniversity of Münster MWMartin WinterUniversity of Münster SNSascha NowakUniversity of Münster

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Implication

Compares static and dynamic methods for analyzing solid electrolyte interphase formation in lithium metal batteries, suggesting improved safety and stability implications.

Key Points

The aim is to investigate the formation and stabilization of solid electrolyte interphase (SEI) on lithium metal using different electrolyte conditions.
Compared static and dynamic shaking methods for SEI analysis on lithium foil.
Performed multi-method investigations combining gas-, liquid-, and solid-phase analyses.
Analyzed effects of varying lithium bis(fluorosulfonyl)imide (LiFSI) concentrations on gas evolution and SEI composition.
Gas evolution in pure DME was nearly tenfold higher than in 1 M LiFSI in DME, with increased LiFSI reducing methane generation by a factor of five.
Trace gas formation in a specific electrolyte composition (LiFSI:DME:TTE) indicated stronger SEI stabilization.
Quantification of Li2S suggested its role as an SEI component, identified alongside the formation of Li2O and Li3N.

Cite This Study

Ulke et al. (2026) studied this question.

synapsesocial.com/papers/6a12955d48a0ea1665671847 https://doi.org/10.1021/acsaem.6c00648

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May 24, 2026ACS Applied Energy Materials

Solid Electrolyte Interphase Formation Reactions on Lithium Metal with Ether-Based Electrolytes

View Full Paper

Ask AI

Bookmark

Authors

JUJessica UlkeUniversity of Münster MWMartin WinterUniversity of Münster SNSascha NowakUniversity of Münster

Discussion

Member takes

Implication

Compares static and dynamic methods for analyzing solid electrolyte interphase formation in lithium metal batteries, suggesting improved safety and stability implications.

Key Points

The aim is to investigate the formation and stabilization of solid electrolyte interphase (SEI) on lithium metal using different electrolyte conditions.
Compared static and dynamic shaking methods for SEI analysis on lithium foil.
Performed multi-method investigations combining gas-, liquid-, and solid-phase analyses.
Analyzed effects of varying lithium bis(fluorosulfonyl)imide (LiFSI) concentrations on gas evolution and SEI composition.
Gas evolution in pure DME was nearly tenfold higher than in 1 M LiFSI in DME, with increased LiFSI reducing methane generation by a factor of five.
Trace gas formation in a specific electrolyte composition (LiFSI:DME:TTE) indicated stronger SEI stabilization.
Quantification of Li2S suggested its role as an SEI component, identified alongside the formation of Li2O and Li3N.

Cite This Study

Ulke et al. (2026) studied this question.

synapsesocial.com/papers/6a12955d48a0ea1665671847 https://doi.org/10.1021/acsaem.6c00648

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