What question did this study set out to answer?

This research aims to investigate the effectiveness of deep eutectic solvents in enhancing supercapacitor performance under freezing conditions.

March 26, 2026Journal of Materials Chemistry A2 citations

Hierarchical Aerogel-Confined Deep Eutectic Electrolytes for Complete Water Immobilization and High-Performance, Freeze-Tolerant Supercapacitors

MMMostafa A Moselhy GKGhada E. KhedrEgyptian Petroleum Research Institute EYEzz YousefSuez University

Key Points

This research aims to investigate the effectiveness of deep eutectic solvents in enhancing supercapacitor performance under freezing conditions.
Utilized hierarchical aerogels to confine deep eutectic solvents.
Conducted electrochemical tests to evaluate performance metrics of supercapacitors.
Assessed stability and conductivity of the confined electrolytes under various temperature conditions.
Supercapacitors exhibited high electrochemical performance even at low temperatures.
Deep eutectic solvents provided enhanced ionic conductivity and stability.
The structure of the aerogel effectively immobilized the electrolytes, preventing leakage and enhancing overall device reliability.

Abstract

Deep eutectic solvents (DESs) have emerged as sustainable electrolyte candidates for advanced electrochemical energy storage owing to their wide electrochemical stability windows, low volatility, and environmental compatibility. However, their practical...

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