Rapid Electron/Ion Transport in a 3D Holey-Graphene Aerogel Framework toward High-Loading Na–Se Batteries

Key Points

• To explore the electron and ion transport properties of SePAN within a holey-graphene aerogel framework for Na–Se batteries.
• Seleniumized polyacrylonitrile synthesis
• Fabrication of a 3D holey-graphene aerogel
• Conductivity measurements to assess electron and ion transport
• Significant enhancement in electron and ion transport rates
• Reduced polyselenide dissolution observed
• Improved performance metrics for Na–Se batteries under high-loading conditions