Regulating hydrogen-bond network via a low-viscosity electrolyte for hydrogen evolution reaction-free aqueous sodium-ion batteries

Key Points

• The hydrogen-bond network plays a crucial role in ensuring ionic conductivity within the electrolyte.
• Electrolytes with low viscosity significantly enhance the overall performance of sodium-ion batteries.
• Assessments using low-viscosity electrolytes demonstrate a marked improvement in the batteries' hydrogen evolution reaction efficiency.
• These findings highlight the importance of electrolyte formulation in optimizing battery performance, suggesting potential for broader applications.