What question did this study set out to answer?

The aim is to explore how varying salt concentrations in vitrimer electrolytes influences conductivity and viscoelastic properties.

April 25, 2026Journal of Materials Chemistry A0 citationsOpen Access

Concentration dependent salt-polymer-dynamic bond interactions dictate non-monotonic conductivity and viscoelasticity in vitrimer electrolytes

SCSamyak N. ChordiaUniversity of Illinois Urbana-Champaign PBPaul V. Braun SJShailesh N. Joshi

Key Points

The aim is to explore how varying salt concentrations in vitrimer electrolytes influences conductivity and viscoelastic properties.
Examined the relationship between salt concentration and material properties including modulus and relaxation times.
Analyzed the effects on ionic conductivity across different salt levels.
Identified three distinct regimes in behavior with respect to salt concentration.
An optimal salt concentration was determined that maximizes ionic conductivity and bond exchange rates.
Non-monotonic trends were observed with changes in modulus and relaxation times as salt concentration varied.

Abstract

Tuning salt in vitrimer electrolytes yields non-monotonic trends with three distinct regimes in modulus, relaxation times and ionic conductivity. An optimal salt concentration maximizes both conductivity and bond exchange while preserving modulus.

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