Potassium Ion-Intervened Copper-Nickel Bimetallic Organic Framework with Potassium Hydrogen Phthalate Ligand for High-Performance Aqueous Potassium Ion Hybrid Supercapacitors

Key Points

• The aim is to create high-performance electrode materials for potassium-ion hybrid supercapacitors.
• Prepared a bimetallic metal-organic framework using a solvothermal method.
• Utilized potassium hydrogen phthalate as a ligand for framework formation.
• Evaluated the electrochemical performance of the developed material.
• The bimetallic framework demonstrated enhanced conductivity and energy storage.
• Achieved improved capacitive performance compared to traditional materials.