Anomalous Pseudocapacitance of Vanadium Carbide MXene in Water-in-Salt Electrolytes | Synapse
March 28, 2026Open Access
Anomalous Pseudocapacitance of Vanadium Carbide MXene in Water-in-Salt Electrolytes
Key Points
The aim is to explore the pseudocapacitance behavior of vanadium carbide MXenes in water-in-salt electrolytes for enhanced energy storage.
Investigated charge storage characteristics of vanadium carbide MXenes in different electrolyte compositions.
Conducted electrochemical tests to evaluate specific capacity and anodic potential window.
Analyzed the results to understand the effects of electrolyte type on capacitive performance.
Demonstrated significantly improved specific capacity compared to dilute electrolytes.
Expanded the anodic potential window beyond the typical limits observed in standard MXene applications.
Highlighted the potential of water-in-salt electrolytes to enhance pseudocapacitance behavior.
Abstract
MXenes are known for intercalation-induced capacitive charge storage in dilute electrolytes, resulting in a low specific capacity with a limited anodic potential window (<0.2 V vs Ag/AgCl). In this work,...